Results 41 to 50 of about 18,276 (112)
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Lithium–sulfur batteries have attracted extensive interest owing to their exceptionally high theoretical energy density and environmental benignity. However, their practical performance remains severely constrained by intrinsic challenges, including the polysulfide shuttle effect and large volume expansion during cycling, which markedly ...
Long Jiang +8 more
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Dianci bileiqi, 2009 以35 kV针形绝缘子为例,构造了一个旋转抛物线体形状的理想模型绝缘子,计算了其静电场的解析解及由ANSYS软件获得的近似解;使用ANSYS软件求得了尖电极静电场的误差。通过解析解和近似解的对比,得出二点结论:负电极越尖,运用ANSYS求得的绝缘子里每点的电位和电场强度的误差越大;越靠近负尖电极的绝缘子里的点,运用ANSYS求得电位的误差越大,越靠近正或负电极的绝缘子里的点,运用ANSYS求得的电场强度的误差越大。
文康珍 +4 more
doaj
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Li–O2 batteries garner widespread attention owing to their remarkable theoretical specific capacity. Nevertheless, the feasible implementation of the system is hindered by sluggish cathode reaction kinetics and poor anode stability. Herein, the carbon dots (CDs) with ‐OH, ‐NH2, and ‐COOH groups are synthesized and employed as electrolyte ...
Ying Li +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT To meet the escalating demand for high‐performance LiCoO2 (LCO) cathodes, elevating the charging cut‐off voltage becomes highly imperative to achieve markedly enhanced specific capacities. However, high‐voltage operation is always accompanied by structural instability, notably deleterious bulk phase transitions and severe interfacial ...
Jiawei Mu +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Self‐supporting aluminum (Al) foil anodes offer the advantages of high energy density, simplified structural configuration, and low cost. However, their practical application is severely constrained by challenges such as low initial Coulombic efficiency, pronounced interfacial side reactions, and sluggish lithiation kinetics.
Sheng Yang +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT The low energy density of sodium‐ion batteries (SIBs) remains a major barrier to their large‐scale deployment. Alloy‐based anodes represent a promising class of materials owing to their high specific capacity and low operating potential for sodium storage. However, their practical application is hindered by severe volume expansion upon cycling.
Chen Wang +10 more
wiley +1 more source
Gongye shui chuli, 1982 电化学法用于排水处理很早就开始了,分直接电解法和物理化学法两种类型。直接法,以铜的回收为例,其模式为:当接通外部电源时,在阳极,电子从电解液一侧向电极内部移动,正电荷向电解液中运动 ...
纪永亮
doaj +2 more sources
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT A central challenge in alkaline water electrolysis is the development of hydrogen evolution reaction (HER) electrocatalysts that simultaneously maintain high activity and structural stability at industrial current densities. Hydroxide‐based supports that facilitate water dissociation are particularly susceptible to over‐reduction and ...
Feng Chen +9 more
wiley +1 more source
Gongye shui chuli, 2018 采用离子交换膜电解装置和非隔离电解槽处理含锑模拟废水，阴、阳电极分别为铅和石墨，探讨电解处理2.5 h后Sb（Ⅲ）和Sb（Ⅴ）的去除率及残余浓度。结果表明，有离子交换膜隔离时，Sb（Ⅲ）、Sb（Ⅴ）去除率分别为93.68%、95.65%；非隔离电解时，Sb（Ⅲ）去除率约为54.71%，而Sb（Ⅴ）去除率仅为8.9%。使用1%抗坏血酸预还原后，非隔离电解时Sb（Ⅲ）、Sb（Ⅴ）去除率可分别达到75.9%、82.01%。非隔离电解也能有效控制废液中锑质量浓度在0.5 mg/L以下。适当增加阴极电解面积 ...
柳凤娟 +3 more
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Anode‐Free Alkali Metal Batteries Under Extreme Temperatures
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Anode‐free alkali metal batteries (AFAMBs) have attracted considerable interest as promising candidates for next‐generation energy storage systems, owing to their high energy density and simplified manufacturability. Extending their reversible and stable operation to low‐temperature (LT) and high‐temperature (HT) environments is crucial for ...
Sicong Wang +7 more
wiley +1 more source