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Stability of base-exposed backfill roof considering interfaces between adjacent drifts in underhand drift-and-fill mining 认领 引用 被引量：2
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作者 Qinghai Ma Guangsheng Liu +2 位作者 Xiaocong Yang Lijie Guo Andy Fourie 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第1期214-229,共16页
Stability of base-exposed backfill roof in underhand drift-and-fill mining is crucial for the safety of those working beneath.Given the commonly used primary-and-secondary mining sequence,interfaces are formed between... Stability of base-exposed backfill roof in underhand drift-and-fill mining is crucial for the safety of those working beneath.Given the commonly used primary-and-secondary mining sequence,interfaces are formed between adjacent filled drifts,which can weaken the integrity of the backfill roof.These interfaces also lead to two common drift layouts:aligned drifts and staggered drifts.However,less attention has been paid to the interfaces and the two drift layouts were not adequately distinguished in previous studies.In this paper,the interfaces between filled drifts were firstly considered to investigate the stability of backfill roof.Failure modes and strength requirements of backfill roof in aligned and staggered drifts are comprehensively investigated by FLAC3D,with a focus on considerations of varied shear parameters of the interfaces.Results show that failure modes in aligned drifts transition from block sliding to top caving,bottom caving or sloughing as the interface cohesion increases from zero to at least half of the backfill cohesion.Further increases in interface cohesion allow aligned drifts to behave as if there are no interfaces between them.The critical stability conditions of backfill roof in aligned drifts were mostly determined by the interface strength instead of the backfill strength.However,the stability of backfill roof in staggered drifts is barely affected by the interface strength.The outcomes are expected to provide references for mining engineers to optimize drift layouts and perform cost-effective backfill roof strength design at mines using underhand drift-and-fill mining method. 展开更多
关键词 Base-exposed backfill Interface Failure mode Strength requirement Underhand drift-and-fill mining
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Multi-scale coherent interfaces in core-shell Sr0.875La0.1TiO3-based textured ceramics for enhanced high temperature thermoelectric performance 认领 引用 被引量：1
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作者 Zhihao Lou Ziyao Wei +4 位作者 Xiaoyu Xu Ping Zhang Jingji Zhang Jie Xu Feng Gao 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第5期279-289,I0007,共11页
SrTiO3-based thermoelectric ceramics show potential for high-temperature energy harvesting but face challenges from inefficient carrier transport and high thermal conductivity.This work presents a multi-scale struc... SrTiO3-based thermoelectric ceramics show potential for high-temperature energy harvesting but face challenges from inefficient carrier transport and high thermal conductivity.This work presents a multi-scale structural engineering strategy to address these challenges,fabricating textured Sr0.875La0.1Ti O3m Ti/10 wt%Bi2O3(SLTTB)ceramics via plate-like SrTiO3templates.Through this design,the ceramics form a unique core-shell architecture,where template seeds act as growth cores for epitaxially alignedoriented grains,forming coherent interfaces with a precipitate-rich interlayer and a precipitate-free shell.In the interlayer,uniformly distributed“peanut-shaped”Bi-Ti_nO2n-1nanoparticle pairs enhance electron mobility and phonon scattering.The hierarchical microstructure creates multiscale coherent interfaces that reduce electron grain boundary scattering,enabling preferential electron transport pathways parallel to the casting direction.This architecture enables the decoupling of electrical and thermal properties,with a power factor reaching 1815μW/m/K2at 1073 K with thermal conductivity suppressed by interfacial and nanoparticle scattering.Consequently,the SLTTB textured ceramic achieves a notable ZT of 0.64 at 1073 K,a significant enhancement over conventional counterparts.This work demonstrates a multi-scale structural strategy integrating template-induced texture,core-shell design,and nanoscale interface modulation to decouple the electrical and thermal properties of SrTiO3-based materials,and provides a roadmap for tailoring the electrical-thermal transport properties of thermoelectric textured ceramics. 展开更多
关键词 Strontium titanate Thermoelectrics Textured ceramics Core-shell architecture Coherent interfaces
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Direct versus indirect 2D/3D heterojunction engineering:Ordered interface design for ultastable perovskite solar cells 认领 引用 被引量：1
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作者 Kaiyu Wang Xiuhong Sun +7 位作者 Cheng Peng Qiangqiang Zhao Bingqian Zhang Tianci Wu Xiaoxu Zhang Shenglai Wang Xiao Wang Shuping Pang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第3期520-527,共8页
While 2D/3D heterostructures are widely employed to improve the stability of perovskite optoelectronic devices,their effectiveness is fundamentally governed by the crystallinity of the interfacial structure -a factor ... While 2D/3D heterostructures are widely employed to improve the stability of perovskite optoelectronic devices,their effectiveness is fundamentally governed by the crystallinity of the interfacial structure -a factor often overlooked.Disordered interfaces exhibit thermodynamic metastability,where ion diffusion induces sequential phase transitions from low-n to high-n phases.Here,we construct atomically ordered 2D/3D interfaces using phase-pure 2D perovskite capping layers,which reduce the interfacial phase transition rate by 95%and effectively suppress ion migration.As a result,devices exhibit outstanding operational stability,retaining over 99%of their initial power conversion efficiency after 1500 h of continuous operation,along with excellent thermal durability at 85℃.These findings identify interfacial order as a critical parameter for regulating ion dynamics and phase behavior,providing a robust design principle for achieving high-efficiency,long-lifetime perovskite technologies. 展开更多
关键词 2D/3D heterostructures Ordered interface Operational stability
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Unlocking Interfacial Charge at Dielectric Solid-Liquid Interfaces via Triboelectric Nanogenerator Probe 认领 引用 被引量：2
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作者 Xiang Li Gehan Amaratunga +1 位作者 Zhong Lin Wang Di Wei 《SmartSys》 2026年第1期4-9,共6页
1|Introduction Electrical double layers(EDLs)are fundamental to solid-liquid interfacial phenomena,orchestrating charge compensation,ionic ordering,and solvent reorganization.Through these coupled processes,EDLs regul... 1|Introduction Electrical double layers(EDLs)are fundamental to solid-liquid interfacial phenomena,orchestrating charge compensation,ionic ordering,and solvent reorganization.Through these coupled processes,EDLs regulate a wide spectrum of behaviors from electrochemical reactivity and colloidal stability to energy transduction and information signaling[1-5].Despite their central importance across chemistry,materials science,and physics,experimental insight into EDLs has been largely shaped by a narrow subset of interfaces,those involving electrically conductive solids[6-9].Classical EDL models,originating from the Helmholtz[10]. 展开更多
关键词 colloidal stability energy transduction electrochemical reactivity triboelectric nanogenerator solid liquid interfaces information signaling despite solvent reorganizationthrough electrical double layers
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Interface behavior of steel-slag-air during tundish filling process:physical modeling and mathematical simulation 认领 引用
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作者 Yu-Hang Wang Hai-Yan Tang +3 位作者 Kai-Min Wang Zhen-Dong Wang Xing-Yu Jia Jia-Quan Zhang 《Journal of Iron and Steel Research International》 SCIE EI CSCD 2026年第3期266-282,共17页
In view of the frequent deterioration of molten steel quality during the tundish filling process,the slag-steel-air interface behavior in a tundish,including liquid level fluctuation,slag eyes,slag entrapment and air ... In view of the frequent deterioration of molten steel quality during the tundish filling process,the slag-steel-air interface behavior in a tundish,including liquid level fluctuation,slag eyes,slag entrapment and air suction during the steady-state casting and filling process,was comparatively studied through physical modeling and mathematical simulation methods.During the filling process,the liquid surface forms a large-size slag eye under the impact of molten steel from a ladle shroud,which simultaneously results in a violent fluctuation of liquid level.Concurrently,the liquid flow entrains the air phase and the cover slag into the tundish impact zone,resulting in slag entrapment and air suction.At filling flow rates of 1.5Q,2.0Q,and 2.5Q(Q is the flow rate under steady-state casting),the amount of slag entrapped is 8.39×10-5,9.65×10-5,and 12.7×10-5m3,respectively,while the volume of air aspirated is 0.84×10-4,1.47×10-4,and 2.01×10-4m3,indicating that slag entrapment and air suction intensify with an increase in tundish filling flow rate.Flow field characterization identifies eddy currents in the impact zone as the primary driver of the above phenomena.Proper filling process parameters were proposed to improve the steel quality during the tundish filling. 展开更多
关键词 Mathematical simulation Physical modeling Tundish filling process Interface behavior Steel-slag-air interface
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Recent Advances in Cutaneous Haptic Interfaces:A Review 认领 引用 被引量：1
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作者 Xiaosa Li Yuan Guo +6 位作者 Caizi Li Yingkui Zhang Yilei Zheng Ronggang Wang Xinge Yu Wenbo Ding Qianqian Tong 《SmartSys》 2026年第1期10-21,共12页
Cutaneous haptic interfaces have demonstrated substantial potential in human-machine interaction,enabling applications such as immersive experiences,robotic teleoperation,and sensory transfer in prosthetics.By conveyi... Cutaneous haptic interfaces have demonstrated substantial potential in human-machine interaction,enabling applications such as immersive experiences,robotic teleoperation,and sensory transfer in prosthetics.By conveying rich haptic cues such as indentation,stretching,vibration,and temperature,cutaneous feedback improves presence,realism,task performance,and the stability of two-way interaction loops.This article introduces the fundamental concept of cutaneous haptic interfaces and reviews recent advances in cutaneous feedback modalities and device paradigms from skin-integrated patches to fingertips and whole-hand wearable devices.It highlights progress in spatiotemporal programmability for each feedback modality,as well as in combined multimodal feedback.Cutaneous adaptability designs for haptic feedback devices are also discussed,with an emphasis on maintaining natural interaction and achieving personalized haptic feedback.In addition,the integration of haptic feedback devices with sensing units has emerged as a popular trend,facilitating closed-loop control for more accurate and stable haptic interaction.Finally,the article concludes by underscoring a complete workflow spanning coordinated visual-haptic sensing,encoding,rendering,and feedback to support dexterous haptic interaction and enable more lifelike,responsive,and dependable performance in virtual or teleoperation scenarios. 展开更多
关键词 cutaneous feedback flexible electronics haptic glove skin-integrated haptic interface
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Inorganic all-solid-state sodium batteries:Electrolyte design,interface engineering,and multiscale approaches 认领 引用
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作者 Yihang Song Hanyu Zhou +12 位作者 Tingyi Zhao Boyang Zhang Huanting Sun Iqbal Ahmed Khurshid Jiajia Wang Hao Li Yanqiang Kong Lei Chen Liu Cui Dongyue Zhang Weijia Wang Lijun Yang Xiaoze Du 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第1期415-434,I0010,共20页
In the realm of large-scale power system energy storage,sodium-based batteries represent a cost-effective post-lithium energy storage technology,making inorganic solid-state sodium batteries(ISSSB)a critical branch of... In the realm of large-scale power system energy storage,sodium-based batteries represent a cost-effective post-lithium energy storage technology,making inorganic solid-state sodium batteries(ISSSB)a critical branch of this development.Inorganic solid-state electrolytes(ISSEs)are the core components of sodium batteries;however,they face significant challenges such as insufficient ionic conductivity,interfacial instability,and dendrite growth,all of which severely hinder practical application.This review critically assesses experimental protocols and theoretical frameworks related to mainstream ISSEs and systematizes optimization strategies aimed at overcoming these challenges.Leveraging integrated insights from both experimental and computational studies,the review first categorizes and summarizes the primary types of ISSEs,namely oxide-,sulfide-,and halide-based electrolytes.It then details interfacial optimization strategies focused on addressing three core interfacial issues:ion transport barriers resulting from mechanical incompatibility,side reactions stemming from electrochemical mismatch,and dendrite formation.Finally,the review advocates prioritizing in-depth research that integrates experimental and theoretical approaches to establish a closed-loop methodology encompassing predictive design,multiscale investigation,mechanistic exploration,and high-throughput automated experimentation,with feedback-driven refinement.This work serves as a comprehensive reference and systematic roadmap for future research on solid-state electrolytes(SSEs). 展开更多
关键词 Sodium battery Inorganic solid-state electrolytes Modification strategy Experimental modification Theoretical computation Interface engineering
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Rock-concrete composite specimens with different interface inclination angles:Creep characteristics and nonlinear damage constitutive model 认领 引用
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作者 YAO Wei-jing NOUBISSI KENGNE Honorine +2 位作者 LIU Yu PANG Jian-yong XU Han-bing 《Journal of Central South University》 SCIE EI CAS CSCD 2026年第2期968-986,共19页
Weak rock-concrete interfaces significantly affect the stability of underground supporting structures.This study aims to investigate the effects of interface inclination on the creep behavior and failure mechanisms of... Weak rock-concrete interfaces significantly affect the stability of underground supporting structures.This study aims to investigate the effects of interface inclination on the creep behavior and failure mechanisms of composite specimens.Seven rock-concrete composite specimens with different inclination angles under hydrothermal curing at 60℃were prepared,and uniaxial and graded loading creep tests were completed.The results show that with increasing interface inclination,the compressive strength of the composite specimens initially decreases and then increases,with the minimum strength observed at inclinations between 60°and 75°.Three typical failure patterns were identified:axial failure,composite failure,and interface failure.The creep failure strength exceeded the uniaxial compressive strength,indicating improved time-dependent deformation resistance under elevated temperature curing.The instantaneous strain initially decreases and then increases as the interface inclination angle grows.Compared to 0°inclination,specimens with 45°,60°,75°,and 90°inclinations exhibited reductions in instantaneous strain of 2.64%,18.84%,23.29%,and 0.73%,respectively.The steady-state creep rate and creep ratio exhibited a decrease-stabilization-increase trend with increasing stress levels.Creep strain increased with increasing stress levels for all inclinations,with a sharp increase near the failure stage.A nonlinear constitutive model considering interface inclination and creep damage was developed based on damage theory.A nonlinear damage-based constitutive model incorporating interface inclination effects was developed,and its theoretical predictions closely matched the experimental data in all creep stages.These findings provide a quantitative understanding of creep failure mechanisms in rock-concrete interfaces and provide practical references for enhancing the safety of underground support systems. 展开更多
关键词 rock-concrete composite interface inclination stress level creep nonlinear damage model
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Stable interfaces in lithium metal batteries constructed via in-situ electrolyte reformulation 认领 引用
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作者 Kuan DAI Feng-jing WU +3 位作者 Mu-lan QIN Chang-wei SU Wan-min LIU Xin-ye LUO 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2026年第4期1281-1293,共13页
Li2CO3 was introduced into LiPF6-based electrolytes and the electrolytes were stored at 40°C.Nuclear magnetic analysis of electrolytes and X-ray diffraction characterization of reaction residues demonstr... Li2CO3 was introduced into LiPF6-based electrolytes and the electrolytes were stored at 40°C.Nuclear magnetic analysis of electrolytes and X-ray diffraction characterization of reaction residues demonstrate the formation of LiPO2F2 and LiF during storage.This reformulated electrolyte boosts lifespan and Coulombic efficiency(CE)in Li||Li and Li||Cu cells,with Li||Li cells stably cycling for>800 h and 300 h at 0.5 mA/cm2 and 1.0 mA/cm2,respectively.Moreover,with the optimal content of Li2CO3,the CE of the reformulated electrolyte(91.56%)is greatly improved compared to that of the standard electrolyte(81.99%).The compatibility and enhanced rate performance of the reformulated electrolyte are also exhibited in Li||NCM full cells with a moderately high mass loading of 9.6 mg/cm2. 展开更多
关键词 lithium carbonate lithium metal battery interface electrolyte lithium dendrites
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A prediction model for axial installation force of interference-fit bolt in CFRP bolted joint and its deformation mechanism of contact interface at bolt-hole under static loading 认领 引用
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作者 Duquan ZUO Jie LIU +4 位作者 Yuejie CAO Minghao ZHANG Shaoqing JIN Yaoming FU Zengqiang CAO 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2026年第3期631-642,共12页
This paper investigates the “brush-like”deformation phenomenon of the contact interface at the bolt-hole during the interference-fit installation of high-locking bolts under static loading in CFRP connection structu... This paper investigates the “brush-like”deformation phenomenon of the contact interface at the bolt-hole during the interference-fit installation of high-locking bolts under static loading in CFRP connection structures.An innovative theoretical model is proposed to predict axial installation force,specifically designed for moderate interference-fit.This model is based on the “brush-like”deformation of the hole wall,with the axial installation force predicted through force analysis and theoretical calculations,effectively overcoming the limitations of prior models that idealized the contact interface at the bolt-hole.The predictions generated by this theoretical model align closely with experimental data,confirming its efficacy in accurately forecasting the curve of installation force for interferencefit bolts during the static installation within the moderate interference-fit range.Additionally,a comprehensive analysis of the relationship between deformation of the hole wall and curves of installation force across small,moderate,and large interference-fit levels are presented.It is demonstrated that the degree of deformation within the moderate interference-fit range is more suitable than that in the small and large interference-fit ranges,making it a reliable alternative for installation force tests within this range during static installation.The moderate interference-fit domain[1.00%,1.24%]is established as a validated and optimal range of interference-fit bolts for the static installation. 展开更多
关键词 Axial installation force CFRP Contact interface Interference-fit bolt Predictive model
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Phase composition of slag-iron interface and elemental distribution behavior between hot metal and Ti-bearing electric furnace slags 认领 引用
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作者 Jian-fa JING Yu-feng GUO +3 位作者 Shuai WANG Feng CHEN Ling-zhi YANG Guan-zhou QIU 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2026年第4期1320-1334,共15页
The phase composition at the slag-iron interface and the distribution behavior of titanium,vanadium,chromium and silicon between hot metal and Ti-bearing electric furnace slag were thoroughly explored.The basicity ran... The phase composition at the slag-iron interface and the distribution behavior of titanium,vanadium,chromium and silicon between hot metal and Ti-bearing electric furnace slag were thoroughly explored.The basicity range for the anosovite phase region was defined by using a phase diagram and a minimum smelting temperature was set at 1540℃.Thermodynamic calculations demonstrate that the activities of TiO2 and SiO2 in the slag decrease with increasing basicity,while those of V2O3 and Cr2O3 increase.Similarly,the activities of[Ti]and[Si]in the molten metal decrease,while those of[V]and[Cr]rise with increasing basicity.As basicity increases,the distribution ratios,LTi and LSi decrease,whereas LV and LCr increase.Significantly,the recovery efficiencies of vanadium and titanium are improved with higher basicity.The primary phases identified in the slag include anosovite,diopside,and titanium spinel.However,when the basicity exceeds 0.8,the formation of the perovskite phase becomes less favorable,suggesting that basicity should be maintained at or below 0.8. 展开更多
关键词 slag-iron interface elemental distribution coefficients smelting temperature anosovite activity
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A Bisphosphonic Acid-functionalized Carbazole for Dual Hydrophilic Interfaces toward Efficient and Stable Organic Solar Cells 认领 引用
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作者 Chun-Hui Liu Yu-Chen Lian +3 位作者 Jia-Li Song Xiao-Peng Duan Zhen Wang Yan-Ming Sun 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2026年第4期950-958,I0009,共9页
Carbazole derivatives with a single phosphonic acid(PA)group are widely used as monolayer interfaces in perovskites and organic solar cells(OSCs).However,their hydrophilic nature renders ITO electrodes hydrophobic,lim... Carbazole derivatives with a single phosphonic acid(PA)group are widely used as monolayer interfaces in perovskites and organic solar cells(OSCs).However,their hydrophilic nature renders ITO electrodes hydrophobic,limiting further applications.In this study,a novel carbazole-based compound functionalized with two PA groups,denoted 2PACz-D1,was designed to create a dual hydrophilic interface.This configuration enables the formation of a bilayer hole-transporting layer(HTL).Specifically,one PA group anchors to the ITO electrode,while the other generates a secondary hydrophilic surface.This allows the subsequent deposition of hydrophilic PEDOT:PSS,forming a protective bilayer HTL that shields ITO from corrosive acidic polymers.The OSCs incorporating this bilayer HTL achieved a power conversion efficiency of 19.44%and exhibited improved thermal stability compared to devices with a single HTL.This work demonstrates the potential of bis-PA carbazole derivatives for tailoring the HTL surface properties,offering promising opportunities for various organic electronic devices. 展开更多
关键词 Organic solar cells Hole-transporting layer Hydrophilic interface Self-assembly monolayer Power conversion efficiency
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Lamb wave propagation in an incompressible viscoelastic soft multilayered plate with weak interfaces 认领 引用
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作者 Bo Zhang Mingyao Zhao +2 位作者 Jiangong Yu Cherif Othmani L.Elmaimouni 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 2026年第4期291-302,共12页
Owing to the dispersion and multi-mode characteristics,guided wave non-destructive technology is promising for characterizing the interface state of incompressible viscoelastic multilayered soft plates.To effectively ... Owing to the dispersion and multi-mode characteristics,guided wave non-destructive technology is promising for characterizing the interface state of incompressible viscoelastic multilayered soft plates.To effectively apply the guided waves in structural health monitoring,it is essential to attain a comprehensive understanding of dispersion and attenuation properties for Lamb waves in these plates,particularly those with weak interfaces.To achieve this,a hyper-viscoelastic fractional order model is employed to investigate Lamb waves in multilayered soft plates with weak interfaces.The analysis encompasses weak connections in both shear and vertical directions.An improved Legendre polynomial method with analytical integration expressions is employed to solve dynamic equations.The influence of weak interfaces,fractional order,and pre-deformation on wave characteristics is studied.Interestingly,results reveal the appearance of the transverse quasi-resonance for the S0 mode when pre-compression deformations reach sufficiently large magnitudes.Furthermore,phase velocity and attenuation variations are nonlinear as the weak interface coefficients increase.As these coefficients become adequately large,the variations diminish progressively,ultimately approaching a saturation point. 展开更多
关键词 Lamb waves Multilayered soft plate Weak interface An improved Legendre polynomial method Transverse quasi-resonance
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Interface damage mechanisms and homogeneity-dependent effects in layered composite coal-rock:A new perspective for mining-induced roof disaster prevention 认领 引用
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作者 YUE Wei-tao FENG Xiao-jun +3 位作者 WANG En-yuan ZHANG Qi-ming DING Zeng KONG Xiang-guo 《Journal of Central South University》 SCIE EI CAS CSCD 2026年第3期1260-1279,共20页
Stress represents a critical determinant of dynamic hazards in underground coal mining operations.Heterogeneous geological features substantially influence stress distribution and magnitude throughout mining environme... Stress represents a critical determinant of dynamic hazards in underground coal mining operations.Heterogeneous geological features substantially influence stress distribution and magnitude throughout mining environments.To investigate the mechanical evolution and failure mechanisms of heterogeneous stratified composite coal-rock(CCR)under mining-induced stresses,three-point bending tests(TPBT)and numerical simulations are conducted on CCR specimens with varying homogeneity indices.Results show a significant positive correlation between CCR fracture strength and the homogeneity index(φ).Higher φ values are associated with more uniform displacement discontinuity zones during the fracturing process.Initial loading is observed to induce compressive strain at the upper coal-rock interface(UI),while tensile strain predominated at both the lower interface(LI)and boundary(LB).Interface strain magnitudes followed the pattern LB>LI>UI,with stability inversely proportional to strain intensity.As φ increases,interfacial stability is reduced,damage severity is amplified,and the critical strain energy release rate is elevated.These variations are primarily governed by the homogeneity-dependent redistribution of particle zones and the downward migration of resistant interfaces.These findings enhance our understanding of fracture propagation in heterogeneous CCR under mining stresses,thereby contributing to improved hazard forecasting and control strategies in coal mine composite roof systems. 展开更多
关键词 interface damage mechanisms roof disaster layered composite coal-rock three-point bend tests homogeneity
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Origin and design principles of efficient artificial interface layers:Crystal facets dependent CeO2 interlayer for reversible zinc anode 认领 引用
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作者 Sifan Qiao Xinyan Zhou +4 位作者 Qing Liang Long Chen Fuxi Liu Yong Gao Wei Zhang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期376-385,I0010,共10页
Artificial interface layer-aided zinc anodes(AIL@Zn)with simultaneously controllable Zn dendrite growth and corrosion resistance are highly expected to simultaneously achieve both high capacity and cycle stability in ... Artificial interface layer-aided zinc anodes(AIL@Zn)with simultaneously controllable Zn dendrite growth and corrosion resistance are highly expected to simultaneously achieve both high capacity and cycle stability in aqueous zinc ion batteries(AZIBs).However,how the facet effects of the AIL guides the efficient Zn deposition behavior remains an open question.Herein,we devise a facile and scalable hydrothermal approach to synthesize various nanostructured X-CeO2 AILs to coat the Zn anode,ultimately offering an X-CeO2@Zn electrode.Among all X-CeO2@Zn anodes,rod-shaped CeO2 with exposed{110}facets modified Zn anode(R-CeO2@Zn)can effectively inhibit dendrite growth and side reactions,thereby delivering ultrastable durability over 2500 h at 1 mA cm-2/0.5 mAh cm-2and reversibility cycled for 250 h at 84.7%depth of discharge.In addition,MoS2//R-CeO2@Zn full cell delivers a significantly capacity retention rate above 99%after 1000 cycles.The superior performance originates from the exposed{110}facets,which uniquely modulate the binding and diffusion energies of Zn adatoms to promote homogeneous deposition.This work shifts the AIL design principle from mere composition selection to atomic-level facet control,offering a general strategy for next-generation battery electrodes.Additionally,the strategy proposes its extension to other metal-ion battery systems. 展开更多
关键词 Ceria Zn anode Artificial interface layer Exposed facets Design principle
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Pre-Formation of LiF-Rich Interfaces on Prelithiated Si/C Anodes for High-Energy Lithium-Ion Batteries 认领 引用
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作者 Wen‑Jie He Wei Xu +7 位作者 Xiu‑Ying Jin Bo‑Nan Wang Wen‑Jie Liu Yue Xiao Gang Qin Takayuki Ichikawa Gai Wu Teng‑Fei Zhang 《Rare Metals》 SCIE EI CAS CSCD 2026年第4期822-834,共13页
Prelithiation is effective for compensating active lithium-ion(Li+)loss in silicon(Si)-based battery electrode materials.However,owing to the dynamic growth of the solid electrolyte interface(SEI),capacity fading r... Prelithiation is effective for compensating active lithium-ion(Li+)loss in silicon(Si)-based battery electrode materials.However,owing to the dynamic growth of the solid electrolyte interface(SEI),capacity fading remains the biggest challenge for the industrialization of Si electrodes.To address this problem,a novel ether-based prelithiation reagent was rationally designed by exploiting the weak solvent-solute coordination and the competitive reduction mechanism among electrolyte components.Precise regulation of the Li+solvation structure enhanced Li+transport during prelithiation,achieving an exceptional initial Coulombic efficiency(ICE)of~100%for the Si/carbon(Si/C)anode after performing contact prelithiation for 2 min.Furthermore,the lithium fluoride(LiF)-rich interface with high mechanical toughness was pre-formed to assist in the formation of a stable SEI controlling the lowest unoccupied molecular orbital(LUMO)energy and binding energy of the prelithiation reagent,thereby improving the half-cell cycle performance.Consequently,the ICE of the full-cell incorporating the prelithiated Si/C anode increased by 40%compared with that containing as-received materials,and the corresponding energy density was 551.2 Wh kg-1 based on the electrode material after 3 cycles.Furthermore,theoretical calculations combined with in situ characterization techniques confirmed the strong potential of the contact prelithiation design strategy for large-scale industrial applications. 展开更多
关键词 initial coulombic efficiency prelithiation Si‑based anode solid electrolyte interface solvation structure
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Mitigating ultraviolet-induced buried-interface degradation in low-bandgap perovskite solar cells 认领 引用
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作者 Xiting Lang Jiayu You +6 位作者 Minghui Li Hao Tian Xirui Liu Dewei Zhao Jichun Ye Cong Chen Chuanxiao Xiao 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第8期98-106,I0004,共9页
The ultraviolet(UV)stability of low-bandgap Sn-Pb perovskite solar cells(PSCs)remains a significant obstacle to their practical deployment.Here,we elucidate the UV-induced degradation mechanism in state-of-the-art 1.2... The ultraviolet(UV)stability of low-bandgap Sn-Pb perovskite solar cells(PSCs)remains a significant obstacle to their practical deployment.Here,we elucidate the UV-induced degradation mechanism in state-of-the-art 1.25 eV PSCs through combined electrical,mechanical,and chemical analyses.Prolonged UV exposure results in efficiency loss,primarily due to reductions in short-circuit current and built-in voltage.Detailed characterization reveals a strongly asymmetric degradation pathway:illumination from the buried interface causes more severe defect formation,charge accumulation,and mechanical softening than illumination from the top surface.UV-driven photo-doping of the ITO-nanocrystal interfacial modification layer,together with oxidation of Sn2+at the buried perovskite interface,accelerates both electronic and structural deterioration,leading to reduced carrier extraction.Guided by these insights,we show that introducing a PMMA interfacial buffer layer effectively suppresses charge buildup and interfacial oxidation,offering substantially enhanced UV stability compared with both the ITO-nanocrystal baseline and PEDOT:PSS-substitution. 展开更多
关键词 Ultraviolet-induced degradation Low-bandgap perovskite Buried interface Charge accumulation Buffer layer
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Diluent-driven solvation sheath compression in nonflammable carbonate-carboxylic hybrid electrolytes achieving stable F,B-rich solid electrolyte interface for high-performance lithium metal batteries 认领 引用
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作者 Chen Yang Zhiwei Ni +5 位作者 Huizi Zhang Suyun Liu Junjie Liu Shenglin Xiong Baojuan Xi Jinkui Feng 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第2期738-748,I0015,共11页
Despite the high energy density,lithium metal batteries(LMBs)face significant cycling instability and safety challenges,especially at subzero temperatures.Herein,we report a rationally designed lowconcentrated electro... Despite the high energy density,lithium metal batteries(LMBs)face significant cycling instability and safety challenges,especially at subzero temperatures.Herein,we report a rationally designed lowconcentrated electrolyte system that employs a low-freezing-point diluent to compress solvation sheaths,enabling the formation of a compact anion-dominated solvation structure that enhances interfacial stability and safety.Molecular dynamics reveal the unique solvation structure with close packing of anions in this low-concentration electrolyte from the micro-mesoscopic scale.The optimized electrolyte combines cost-effectiveness,superior wettability,intrinsic nonflammability,and high stability,concurrently promoting a hybrid organic-inorganic solid electrolyte interphase(SEI)and cathode electrolyte interphase(CEI)for uniform lithium deposition.As a result,the Li‖LiFePO4(LFP)full cells demonstrate stable cycling for 700 cycles at the current density of 4 C.Remarkably,the electrolyte demonstrates exceptional low-temperature performance,indicating broad operational viability.This work provides a promising electrolyte design strategy that addresses both safety and excellent electrochemical performance in high-energy-density metal-based batteries,including but not restricted to Li,Na,K and Zn multivalent ion systems. 展开更多
关键词 Lithium metal battery Nonflammable electrolyte Solvation structure Low concentration Solid electrolyte interface
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Eliminating Schottky Barrier via interface state manipulation on phase-tailored 2D/3D perovskite solar cells 认领 引用
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作者 Junmin Xia Hao Gu +15 位作者 Ziyi Wang Mengting Chen Hui Hong Zhifeng Li Bo Cai Kun Cao Jia Guo Guangbao Wu Ke Guo Shengwen Li Annan Zhu Shi Chen Yongqing Cai Chao Liang Shufen Chen Guichuan Xing 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第1期760-769,I0017,共10页
Surface passivation via two-dimensional(2D)perovskite has emerged as a promising strategy to enhance the performance of perovskite solar cells(PSCs)due to the effective compensation of interfacial states.However,the i... Surface passivation via two-dimensional(2D)perovskite has emerged as a promising strategy to enhance the performance of perovskite solar cells(PSCs)due to the effective compensation of interfacial states.However,the in situ grown 2D perovskite passivation layers typically comprise a mixture of multiple dimensionalities at the interface,where band alignment has only been portrayed qualitatively and empirically.Herein,the interface states for precisely phase-tailored 2D perovskite passivated PSCs are quantitatively investigated.In comparison to traditional passivation molecules,2D perovskite layers based on 4-trifluoromethyl-phenylethylammonium iodide(CF3PEAI)exhibit an increased work function,introducing desirable downward band bending to eliminate the Schottky Barrier.Furthermore,precisely phase-tailored 2D layers could modulate the interface trap density and energetics.The n=1 film delivers optimal performance with a hole extraction efficiency of 95.1%.The optimized n-i-p PSCs in the two-step method significantly improve PCE to 25.40%,along with enhanced photostability and negligible hysteresis.It highlights that tailoring in the composition and phase distribution of the 2D perovskite layer could modulate the interface states at the 2D/3D interface. 展开更多
关键词 Perovskite solar cells Interface states Band alignment Phase tailoring
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Clarifying the impact of interactions at the cropland–grassland interface on grassland biodiversity:A case study of the agropastoral ecotone in northern China 认领 引用
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作者 LYU Xin LI Xiaobing +7 位作者 DANG Dongliang WANG Kai ZHANG Chenhao LI Mengyuan LIU Siyu DU Yixuan CAO Wanyu SI Wanyi 《Journal of Arid Land》 SCIE CAS CSCD 2026年第7期1099-1114,共16页
The frequent conversion between cropland and grassland in agropastoral ecotones poses severe challenges to the protection of grassland biodiversity,and a systematic understanding of the relationship between these two ... The frequent conversion between cropland and grassland in agropastoral ecotones poses severe challenges to the protection of grassland biodiversity,and a systematic understanding of the relationship between these two aspects is urgently needed.In this study,the West Liaohe River Basin,which is a typical agropastoral ecotone in northern China,was chosen as an example.Using the field investigation data from 2023 and 2024,we calculated various biodiversity indices at bothαandβscales for grassland vegetation and soil bacteria,and then analyzed the effects of the interactions at the cropland–grassland interface on grassland above-ground biodiversity,below-ground biodiversity,and their interrelationships.Moreover,we explored the driving factors of grassland biodiversity at the cropland–grassland interface.Notably,interactions at the cropland–grassland interface adversely affected grassland above-and below-ground biodiversity.Compared with the sampling points that were farther from the cropland–grassland interface(25 and 50 m),the sampling points located very close to the interface(5 and 10 m)had a decrease in species richness of more than 5.00%.This effect was jointly determined by various vegetation and soil attribute indicators and the regional environment.The litter and soil organic carbon played a prominent role in modulating the relationships between grassland above-and below-ground biodiversity at the cropland–grassland interface.The results suggested that intensive management of cropland and grassland should be enhanced in areas where agriculture and animal husbandry alternate,the disorderly reclamation and random abandonment of cropland should be prohibited,and the policy of returning cropland to grassland should be promoted systematically.These findings could provide reference data for related studies and promote the protection of grassland biodiversity in agropastoral ecotones. 展开更多
关键词 cropland–grassland interface grassland biodiversity α-diversity β-diversity agropastoral ecotone
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