Results 21 to 30 of about 16,886 (168)
A High Capacity‐Long Cycling Concurrent Strategy of Ti3C2/MgH2 for Lithium Storage
Rare Metals, EarlyView.ABSTRACT The excellent electrical conductivity and superior cycling stability render Ti3C2 MXene a promising Li ion battery anode. Nevertheless, the practical implementation of Ti3C2 MXene in commercial applications faces significant challenges, predominantly due to the low specific capacity.
Tingting Xu +9 more
wiley +1 more source
Carbon‐Insertion‐Engineered WS2 Hierarchical Heterostructure Enabling Superior Sodium‐Ion Storage
Rare Metals, EarlyView.ABSTRACT Tungsten disulfide (WS2) is considered a promising anode material for sodium‐ion batteries (SIBs). However, its practical application is hindered by poor electrical conductivity, large volume changes during cycling, and sluggish ion diffusion kinetics, which lead to unsatisfactory electrochemical performance.
Xiuli Hu +9 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT The sluggish kinetics of the oxygen reduction reaction (ORR) necessitate developing oxygen electrodes with enhanced electrocatalytic activity for practical zinc–air battery applications. In this study, an iron‐doped copper sulfide electrocatalyst (CuFeNS‐PNC) anchored on metal–organic framework‐derived carbon substrates was designed, featuring
Taichong Chitboonyakasem +4 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Aqueous zinc‐ion batteries (AZIBs) hold great promise for safe and sustainable energy storage, but their commercialization is impeded by severe Zn dendrite growth and interfacial instability. To address these challenges, we propose a defect engineering strategy employing ultrafine ZnAl2O4 (ZAO) nanoparticles (∼5 nm) with oxygen vacancy defects
Yilun Ren +9 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT This study introduces novel nonequiatomic TiZrCoCrMoCux (x = 0, 5, 10; at%) medium‐entropy alloys (MEAx) tailored for orthopedic implants, synergistically combining the biocompatibility of Ti‐based alloys, the wear resistance of CoCrMo alloys, and the antibacterial/osteogenic attributes of Cu. The alloy's microstructure, mechanical properties,
Hang Yu +9 more
wiley +1 more source
Gaoya dianqi, 2004 电力系统中使用真空断路器切除无功补偿用并联电容器时,容易产生重燃过电压,严重影响并联电容的安全运行。笔者对10kV系统中切除并联电容器时所产生的重燃过电压进行了模拟计算,着重分析了影响重燃过电压大小的因素,并研究了利用MOA对并联电容器进行过电压保护的效果。
杜斌 +4 more
doaj
Electrolyte With Functionalized Boron Nitride Nanosheets for Dendrite‐Free Lithium Metal Anodes
Rare Metals, EarlyView.ABSTRACT Lithium metal batteries (LMBs) are regarded as promising candidates for the next‐generation high‐energy‐density storage systems due to their unparalleled theoretical energy density and low redox potential. However, the commercialization of LMBs is tremendously plagued by the barbaric growth of lithium dendrite and the intricate decomposition ...
Ji Zhou +5 more
wiley +1 more source
Shuitu Baochi Xuebao, 2019 以紫色土为研究对象，通过室内重塑土试验，采用多元回归方程和曲面响应等分析方法，研究容重和含水率对紫色土崩解特性的影响。结果表明：（1）在相同容重下，崩解量随着含水率的增加而减小，不同含水率的土样崩解时间有所不同；土样完全崩解时间总体上随着含水率的增加而延长，且崩解量主要集中在崩解阶段前3 min。（2）在相同含水率下，崩解量随着容重的增加而减小，土样完全崩解时间总体上随容重的增大而延长，且崩解量主要集中在前4 min。（3）在相同容重和含水率下，土样崩解速率均随着容重和含水率的增大而减小；较之容重 ...
李敬王, 陈林, 史东梅, 张佳宝
doaj
Rare Metals, EarlyView.ABSTRACT The development of sodium‐ion batteries (SIBs) is limited by slow charge transfer kinetics and large material volume changes caused by the large radius of Na+. Leveraging the excellent physicochemical properties and unique heterostructures of metal selenides, ultrafine hetero‐CuFeSe2‐CoSe2 nanoparticles are in situ wrapped by ...
Ying Zhu +5 more
wiley +1 more source