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From degradation to restoration:Rapid regulation of antisite defects and interface reconstruction for upgrading spent LiFePO4 cathodes 认领 引用
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作者 Ruihang Su Ran An Pengfei Yan 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期868-879,I0021,共12页
The sustainable recycling and regeneration of spent lithium iron phosphate(LiFePO4,LFP)cathodes is crucial for minimizing resource waste and enabling circular utilization of long-life lithium-ion battery materials.... The sustainable recycling and regeneration of spent lithium iron phosphate(LiFePO4,LFP)cathodes is crucial for minimizing resource waste and enabling circular utilization of long-life lithium-ion battery materials.However,most existing recycling strategies primarily emphasize elemental recovery and largely neglect the intrinsic degradation mechanisms that control performance decay in retired LFP cathodes,leading to regenerated products with limited electrochemical performance.Performance deterioration in spent LFP is strongly linked to the accumulation of Fe-Li antisite defects and interfacial instability during extended cycling,which obstruct lithium-ion diffusion pathways,accelerate active lithium loss,and cause kinetic degradation.In this work,a rapid upgrading regeneration strategy based on ultrafast Joule heating is proposed to directly target defect repair and interface reconstruction in spent LFP cathodes.The applied thermal shock efficiently heals Fe-Li antisite defects within the bulk lattice,restoring lithium-ion transport while suppressing excessive phase decomposition.Meanwhile,a composite surface architecture is formed,consisting of a LiF-rich interfacial layer and an outer nitrogen-doped carbon coating,which cooperatively enhances interfacial lithium-ion transport,electronic conductivity,and structural stability during cycling.Density functional theory calculations reveal evident charge redistribution across the reconstructed interface,together with a reduced electronic bandgap and stabilized lattice structure,indicating strong electronic coupling between the surface layers and the LFP bulk.Electrochemical evaluations demonstrate decreased polarization,faster reaction kinetics,and markedly improved cycling stability compared with spent and commercial cathodes.Beyond material restoration,this work establishes a defect-directed regeneration paradigm that links degradation mechanisms with functional upgrading,providing a general strategy for high-value recycling and sustainable reuse of lithium-ion battery cathode materials. 展开更多
关键词 LiFePO4cathodes Antisite defect regulation Direct regeneration Interface reconstruction Ultrafast Joule heating
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Crystal-amorphous interface synergy in Ni/CrV-mixed metal oxide:A strategy for rapid hydrogen uptake/release in magnesium hydride 认领 引用
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作者 Ziteng Li Fuying Wu +4 位作者 Kai Jia Beibei Xiao Shuai Li Danhong Shang Liuting Zhang 《Journal of Magnesium and Alloys》 SCIE EI CAS CSCD 2026年第5期599-609,共11页
Optimizing the kinetics and lowering the ab/dehydrogenation temperature of magnesium hydride(MgH2)are crucial for hydrogen storage applications.The synergy among multi-metals(such as Ni,Cr,Fe,Cu,etc.)can reduce the... Optimizing the kinetics and lowering the ab/dehydrogenation temperature of magnesium hydride(MgH2)are crucial for hydrogen storage applications.The synergy among multi-metals(such as Ni,Cr,Fe,Cu,etc.)can reduce the ab/dehydrogenation activation energy of magnesium hydride by leveraging the characteristics of transition metals.Herein,Crystal-amorphous interfaces were regulated via changing the reducing atmosphere through precise design to form the semi-crystalline Ni/CrV-MMO catalysts.After the tests,the 10 wt%Ni/CrV-MMO-doped MgH2 initial hydrogen release at 190℃ and desorbed 5.6 wt%H2 at a relatively low temperature of 275℃ within 10 min.Moreover,this composite material absorbed 5.7 wt%H2 within 2 min at 150℃,achieving a remarkably low hydrogen absorption activation energy of only 28.35 kJ·mol-1,which is far below pure MgH2(68.42 kJ·mol-1).Mechanistic studies and density functional theory(DFT)reveal that the amorphous CrV-MMO elevates the D-band center of Ni by contacting with the Ni interface,which weakens the Mg-H bond strength and consequently lowers the dehydrogenation barrier.The existence of crystal-amorphous interfaces effectively optimizes the transport of interfacial charges.This crystal-amorphous interface synergy strategy offers a general blueprint for low-temperature,high-rate MgH2 storage systems. 展开更多
关键词 Hydrogen storage Magnesium hydride Crystal-amorphous interface D-band tuning Catalysis
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Numerical Investigation of the h-ETL/MAPI1-xClx Interface for Performance Optimization of Perovskite Solar Cells 认领 引用
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作者 Boureima Traore Valentin Tapsoba +3 位作者 Adama Zongo Issiaka Sankara Soumaïla Ouedraogo François Zougmoré 《材料科学与工程（中英文A版）》 2026年第1期12-25,共14页
In this study,numerical modeling based on the SCAPS-1D software is employed to analyze the influence of the h-ETL/MAPI1-xClx interface on the performance of perovskite solar cells.The impact of interface defect densit... In this study,numerical modeling based on the SCAPS-1D software is employed to analyze the influence of the h-ETL/MAPI1-xClx interface on the performance of perovskite solar cells.The impact of interface defect density,energy band alignment,and transport parameters of the h-ETL is systematically investigated.The results highlight the existence of a critical interface defect density threshold of approximately 1013 cm-2,beyond which device performance significantly deteriorates due to increased non-radiative recombination.A slightly positive conduction band offset,ranging from 0 to+0.2 eV,is identified as an optimal condition that reduces interfacial recombination without hindering electron transport.The study also shows that increasing the electron mobility of the h-ETL has a negligible effect on the overall cell performance.Finally,a combined optimization of absorber and h-ETL doping reveals that moderate acceptor doping of the absorber,coupled with high donor doping of the h-ETL,enhances the internal electric field,limits recombination losses,and improves charge extraction.These findings provide valuable guidelines for the design and optimization of interfaces in high-efficiency perovskite solar cells. 展开更多
关键词 Perovskite solar cells MAPI1-xClx h-ETL interface defects SCAPS-1D
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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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Bioinspired interface-mediated multichannel sensor array for rapid and robust identification of bacteria 认领 引用
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作者 Ting Huang Xiaohua Zhu +4 位作者 Meiling Liu Haitao Li Youyu Zhang Yang Liu Shouzhuo Yao 《Chinese Chemical Letters》 SCIE CAS CSCD 2025年第8期613-617,共5页
Rapid and robust identification of bacteria is crucial for environmental monitoring and clinical diagnosis.Herein,a bioinspired interface-mediated multichannel sensor array was developed based on three-coloremitting a... Rapid and robust identification of bacteria is crucial for environmental monitoring and clinical diagnosis.Herein,a bioinspired interface-mediated multichannel sensor array was developed based on three-coloremitting antimicrobial functional carbon dots(FCDs)and concanavalin A doped polydopamine nanoparticles(Con A-PDA)for identification of bacteria.In this sensor,the fluorescence intensity of the three FCDs was quenched by the Con A-PDA.Upon addition different types of bacteria,the fluorescence intensity of the three FCDs was restored or further quenched.Recur to statistical analysis methods,it is employed to accurately discriminate 10 types of bacteria(including three probiotics and seven pathogenic bacteria)in natural water samples and human urine samples.The discrimination ability of the sensor array was highly enhanced via different competing binding of the FCDs and the bacteria toward Con A-PDA.The proposed array-based method offers a rapid,high-throughput,and reliable sensing platform for pathogen diagnosis in the field of environmental monitoring and clinical diagnosis. 展开更多
关键词 Bacteria Sensor array Bioinspired interface Carbon dots Polydopamine nanoparticles
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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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可信数据增强的QoS感知云API推荐系统投毒攻击持续防御 认领 引用
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作者 陈真 范爽 +4 位作者 余建强 徐悦甡 檀泽宇 尤殿龙 申利民 《软件学报》 EI CSCD 北大核心 2026年第6期2671-2690,共20页
服务质量(quality of service,QoS)感知云API推荐系统在解决云API过载问题、差异化云API性能和实现高质量云API选择中具有重要作用.但由于网络环境的开放性和云API的货币属性,推荐系统易受到投毒攻击,从而导致推荐结果偏离公平性和可信... 服务质量(quality of service,QoS)感知云API推荐系统在解决云API过载问题、差异化云API性能和实现高质量云API选择中具有重要作用.但由于网络环境的开放性和云API的货币属性,推荐系统易受到投毒攻击,从而导致推荐结果偏离公平性和可信性.现有防御方法主要采用“检测防御”策略,即在模型训练前通过检测算法滤除恶意用户来缓解攻击影响,但受限于检测算法性能,不可避免地会出现无法将恶意用户全部滤除的情形.为此,从“以攻学防”的视角提出一种基于可信数据增强的QoS感知云API推荐系统投毒攻击持续防御方法.首先构建基于可信数据增强的投毒攻击防御框架,通过生成高质量可信用户数据并参与模型训练来增强推荐系统的鲁棒性.其次,设计基于扩散模型的可信用户生成算法.采用迭代去噪的方式学习真实云API的QoS数据分布,生成高质量的可信用户向量,消解投毒攻击数据对训练模型的影响.最后,基于真实云API的QoS数据集进行大量实验,利用3类11种推荐算法全面评估所提防御方法的有效性和普适性.实验结果表明,所提出的基于可信数据增强的投毒攻击持续防御框架是有效的,生成的可信用户可显著提高云API推荐系统的鲁棒性. 展开更多
关键词 推荐系统 云API 投毒攻击 持续防御 数据增强 扩散模型
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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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面向微服务架构的API访问链路刻画与隐私感知追踪 认领 引用
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作者 陈彦如 胡光俊 +1 位作者 宫月 杜彦辉 《信息安全研究》 CSCD 北大核心 2026年第8期730-740,共11页
随着微服务架构的普及,其分布式与异构特性导致应用程序编程接口(Application Programming Interface,API)防护安全与敏感数据追踪面临严峻挑战。传统工具在负载分析及跨服务数据流重构方面能力不足,难以满足合规性要求。本文提出基于... 随着微服务架构的普及,其分布式与异构特性导致应用程序编程接口(Application Programming Interface,API)防护安全与敏感数据追踪面临严峻挑战。传统工具在负载分析及跨服务数据流重构方面能力不足,难以满足合规性要求。本文提出基于交互式应用安全测试(Interactive Application Security Testing,IAST)的API访问链路刻画与隐私感知追踪方法,通过在多语言微服务实例部署轻量级IAST Agent,结合隐私感知智能规则引擎(Privacy-Aware Intelligent Rules Engine,PAIRE),实现敏感数据的精准识别与传播路径重构。本文针对追踪标识符(TraceID)缺失、异步通信等复杂场景,创新设计了融合参数匹配、时间关联、服务拓扑与业务标识符的多维链路拼接机制,有效提升了追踪覆盖率与鲁棒性。同时构建可视化平台,可支持实时风险告警与异常行为响应。基于TrainTicket微服务应用上开展的实验表明,该方法在敏感数据检测精度、链路重构覆盖率及性能开销控制方面均优于主流方案,验证了其在复杂环境中的高效性与实用性。 展开更多
关键词 微服务 API链路重构 交互式应用安全测试
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一种基于API调用图和外部知识的恶意代码分类方法 认领 引用
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作者 夏冰 楚世豪 +2 位作者 董玉 唐崇俊 单征 《信息安全学报》 CSCD 2026年第3期164-173,共10页
正确识别恶意代码的类别已成为现代数字防御机制的关键组成部分。针对现有基于应用程序编程接口(Application Pro-gramming Interface,API)的分类方法存在调用结构关系缺乏、行为语义表达不足等问题,提出了一种新颖的基于API调用图和外... 正确识别恶意代码的类别已成为现代数字防御机制的关键组成部分。针对现有基于应用程序编程接口(Application Pro-gramming Interface,API)的分类方法存在调用结构关系缺乏、行为语义表达不足等问题,提出了一种新颖的基于API调用图和外部知识的恶意代码分类方法。方法首先基于二进制恶意代码函数的控制流图(Control Flow Graph,CFG)构造函数内部的API调用子图,并作为节点嵌入函数调用图(Function Call Graph,FCG)中生成恶意代码API调用图(API Call Graph,ACG),以捕捉函数内部API的调用路径和依赖关系,接着通过爬虫技术获取API的功能描述、参数及返回值等外部知识以增强API节点的语义表达能力,最后借助双向编码器表示(Bidirectional Encoder Representations from Transformers,BERT)和图卷积网络(Graph Convolu-tional Networks,GCN),充分挖掘API序列词汇语义和API调用图节点间的结构依赖语义,实现了对恶意代码行为的深度表征。实验结果表明,所提出的方法在多样化的恶意代码样本集上显著优于现有基线模型,F1分值达到97.8%,同时可解释性实验也验证了该方法清晰地识别出恶意行为的关键特征和路径。 展开更多
关键词 恶意代码 BERT预训练模型 自然语言处理 图卷积神经网络 API调用图
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Brain-computer interfaces re-shape functional neurosurgery 认领 引用
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作者 Thomas Kinfe Steffen Brenner Nima Etminan 《Neural Regeneration Research》 SCIE CAS CSCD 2026年第3期1122-1123,共2页
Invasive as well as non-invasive neurotechnologies conceptualized to interface the central and peripheral nervous system have been probed for the past decades,which refer to electroencephalography,electrocorticography... Invasive as well as non-invasive neurotechnologies conceptualized to interface the central and peripheral nervous system have been probed for the past decades,which refer to electroencephalography,electrocorticography and microelectrode arrays.The challenges of these mentioned approaches are characterized by the bandwidth of the spatiotemporal resolution,which in turn is essential for large-area neuron recordings(Abiri et al.,2019). 展开更多
关键词 microelectrode arraysthe brain computer interfaces electroencephalography electrocorticography interface central peripheral nervous system non invasive neurotechnologies functional neurosurgery microelectrode arrays
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Synergistic enhancement of strength and ductility of Ti2AlC/TiAl through Mn solid solution and interface manipulation 认领 引用
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作者 Yuanzheng Wei Yilu Li +3 位作者 Shili Shu Hongyu Yang Feng Qiu Qichuan Jiang 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2026年第2期610-622,共13页
Introducing Ti2AlC particles into TiAl alloys can effectively improve their strength,but this can also lead to stress concentration at the interface,resulting in the reduction of ductility.Therefore,Mn is adopted t... Introducing Ti2AlC particles into TiAl alloys can effectively improve their strength,but this can also lead to stress concentration at the interface,resulting in the reduction of ductility.Therefore,Mn is adopted to synergistically improve the strength and ductility of the Ti2AlC/TiAl composite through solid solution and interface manipulation.The first-principles calculation shows the Ti-Mn bonds are formed at the Ti2AlC/TiAl interface after Mn doping,characterized primarily by metallic bonds with some covalent bonding.This combination preserves strength while enhancing ductility.Then,Ti2AlC/TiAl-Mn composite is prepared.The Ti2AlC,with an average size of 1.6μm,is uniformly distributed within the TiAl matrix.Mn doping reduces the lamellar colony size and lamellar thickness by 25.1%and 27.4%,respectively.A small quantity of Mn accumulates at the boundaries of the lamellar colonies.The Mn content must be controlled to avoid segregation,which may negatively impact performance.The yield stress,ultimate compressive stress,fracture strain,and product of strength and plasticity of the Ti2AlC/TiAl-Mn composite have been increased by 5.5%,11.5%,10.4%,and 23.0%,respectively,compared to those of the Ti2AlC/TiAl composite.The enhancement in strength is due to the combined effects of grain refinement,solid solution of Mn,and twining strengthening.Grain refinement and twin strengthening also can reduce stress concentration and improve ductility.In addition,at the electronic level,the Ti-Mn bond formed at the interface is contributed to the improvement of ductility. 展开更多
关键词 titanium aluminum alloy composites microstructure interfaces mechanical properties
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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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Interface-Engineered Strategy on Carbon Nanotubes to Chemical Stabilize Graphene as a Self-Healing Fiber Electrode for Superior Capacitive Deionization 认领 引用
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作者 Rui Wang Ruilin Wu +2 位作者 Biao Fang Han Liang Runwei Mo 《Energy & Environmental Materials》 SCIE EI CAS CSCD 2026年第2期450-459,共10页
Nanocomposite technology is an effective strategy to enhance the performance of capacitive deionization(CDI).However,the poor interfacial interactions between the nanofillers and matrices limit their further optimizat... Nanocomposite technology is an effective strategy to enhance the performance of capacitive deionization(CDI).However,the poor interfacial interactions between the nanofillers and matrices limit their further optimization and commercial application.Here,we developed an interface engineering strategy to prepare a high-strength and high-toughness fiber electrode based on holey reduced graphene oxide(HRGO)and carboxylated carbon nanotubes(CCNT)through introducing borate bonds as bridging interactions.The interface interaction between HRGO and CCNT is significantly enhanced by the formation of dynamic cross-linked borate bonds,which not only effectively preventπ-πstacking and construct hierarchical ion transport channels to enhance ion transport efficiency and reaction kinetics,but also significantly improve mechanical stability and long-cycle performance based on self-healing properties in the fiber electrode.This configuration showed remarkably enhanced desalination capacity(30.6 mg g-1)and higher desalination rate(6.12 mg g-1 min-1),with cycling performance exceeding 90%,which exceeds previously reported values.Density functional theory calculations further reveal the mechanism by which the nanocomposite interface affects the CDI performance.Based on this excellent performance,we established a recirculating desalination hydrogen production system consisting of multiple CDI units connected in series with a hydrogen production unit.This effective strategy opens a new way to optimize the nanocomposite interfaces and achieve efficient electrochemical reactions. 展开更多
关键词 capacitive deionization macroscopic assemblies mechanical stability nanocomposite interfaces self-healing
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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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Tailoring the ultra-fine size and thermal stability of Au(Cu)nanoparticles by application of interface thermodynamics 认领 引用
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作者 Panmei Liu Shuo Ma +2 位作者 Yuan Huang Yongchang Liu Zumin Wang 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2026年第1期279-289,共11页
Ultra-fine sizes and high thermal stability are often mutually exclusive for nanocrystalline(NC)materials because the high grain boundary(GB)energy of nanograins provides a large driving force for grain coarsening.All... Ultra-fine sizes and high thermal stability are often mutually exclusive for nanocrystalline(NC)materials because the high grain boundary(GB)energy of nanograins provides a large driving force for grain coarsening.Alloying is a classical strategy for stabilizing the microstructure of NC materials.However,the stabilization effects of alloying on NC materials typically rely on the segregation of solute atoms at GBs,which imposes restrictions on the selection of possible alloy systems.In this study,it is revealed experimentally and corroborated theoretically that the interface energies can be continuously regulated by simply manipulating the alloy composition in simple solid-solution alloy systems,enabling the control of the ultra-fine sizes and thermal stability of the alloys without GB segregation.In a model system of NC Au(Cu)-SiO2films,the dissolved Cu in Au can be used as a very accurate tool to tailor the interface energies of NC Au(Cu)-SiO2film,leading to ultra-fine(below 2 nm)Au(Cu)nanoparticles with exceptional thermal stability.Such Cu-induced grain refinement and thermal stabilization effects are supported by interface thermodynamic calculations.This study thus provides an alloying stabilization strategy without GB segregation,which broadens the scope for developing thermally stable NC alloy systems. 展开更多
关键词 Nanocrystalline materials Interface energy Grain growth Thermal stability
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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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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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Rock-concrete composite specimens with different interface inclination angles:Creep characteristics and nonlinear damage constitutive model 认领 引用
20
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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