Results 31 to 40 of about 538,871 (169)

Atomically Dispersed Platinum Sites Immobilized on NiFe LDH by Controlling Localized Amorphization for Efficient Alkaline Electrocatalytic Hydrogen Evolution

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Platinum (Pt) single‐atom catalyst (SAC) shows great promise for hydrogen evolution reaction (HER), but faces a huge challenge in activity enhancement due to the isolated single‐atom sites. Fabricating support with partially amorphous (pa) structures to realize the synergetic interaction in neighboring single atoms could facilitate H2O ...
Yanhui Song   +9 more
wiley   +1 more source

IEA电解离子接地系统的应用

open access: yesDianci bileiqi, 2009
电解离子接地系统(Ionic Earthing Array简称IEA)由陶瓷合金构成,电极外表是铜合金。它内部含有特制的电解离子化合物,能够通过电极顶部的呼吸孔吸收空气或土壤中的水分,使化合物潮解,形成电解液渗透到周围的土壤中,有效地降低土壤电阻率,使土壤的导电性能始终保持在较高的水平,故障电流能轻易地扩散到土壤中,并降低接地电阻。结合浙江平阳35 kV山门变电站的接地改造工程,介绍IEA电解离子接地系统的应用,并与传统接地系统作比较分析,说明IEA电解离子接地系统的优越性。
陈海宏   +3 more
doaj  

A Wearable Colorimetric Sensor for Ultraviolet Monitoring via Radical‐Triggered Gold Nanoparticle Clustering

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Reliable monitoring of ultraviolet (UV) radiation is critical for protecting human health, yet existing sensors often rely on costly or rigid components that hinder portability. Here we report a wearable, low‐cost colorimetric sensor for quantitative UV dosimetry, enabled by radical‐triggered aggregation of gold nanoparticles (AuNPs).
Yahuang Li   +6 more
wiley   +1 more source

一种固体聚合物电解质水电解用膜电极的制备方法

open access: yes, 2007
本发明涉及固体聚合物电解质水电解,具体地说是一种固体聚合物电解质水电解用膜电极的制备方法;采用固体聚合物电解质溶液蒸发溶剂后成膜,在其两侧贴接由催化剂和固体聚合物电解质组成的催化层形成膜电极一体化。再对膜电极进行结晶化处理使得其中的固体聚合物电解质共同结晶,因此膜电极中的膜与催化层紧密牢固结合,以解决电解水过程中由于气体析出和冲刷产生的膜与电极之间的剥离分层问题。该方法可以制备高性能、高稳定性和高耐久性的固体聚合物电解质水电解用膜电极 ...
朱晓兵, 衣宝廉, 杨 辉, 张华民
core  

Interfacial Reconstruction of Li+ Solvation Shell for Fast Diffusion Kinetics in Low‐Temperature Dendrite‐Free Li Metal Battery Enabled by Atomic Catalysts

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Low‐temperature lithium‐metal batteries (LT‐LMBs) are increasingly pursued for higher energy density and extended cycle life, yet suffer from severely depressed interfacial Li+ desolvation/diffusion kinetics due to the enlarged solvation structures as well as organic electrolyte solidification, ultimately inducing much higher barriers to ...
Shikai Yin   +14 more
wiley   +1 more source

气体电极的压滤机式盐水溶液电解槽

open access: yes, 1993
本发明涉及盐类水溶液的电解,具体地说就是提供了一种用于食盐水溶液制取氯酸盐,氯酸盐水溶液制取高氯酸盐,食盐水溶液制取氯气与烧碱等电解过程的电解槽,其特点是使用了以氧气或空气作退极化剂的气体扩散型阴极,并采用了细孔层分隔气液室及间隙片的硬支撑技术,从而盐类水溶液的电解能耗大幅度降低,并且电极的制备技术简单,电解过程易于控制 ...
衣宝廉
core  

尖电极静电场ANSYS解的误差

open access: yesDianci 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  

Structural Distortion for Polyoxometalate‐Derived Metal Sulfide Induced by In Situ Intercalation With Organic Ligands Achieving Efficient Electrocatalytic Hydrogen Evolution Performance in Alkaline/Seawater Medium

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT The electrocatalytic water splitting technique was widely taken for hydrogen evolution, due to its cost‐effectiveness and environmental friendliness. The design of electrode material as electrocatalysts play a key role in achieving high efficiency.
Yaling Zhu   +5 more
wiley   +1 more source

电极水平放置式氯酸盐电解槽

open access: yes, 1997
一种氯酸盐电解槽,其特征在于它采用带穿孔或拉伸网状平板式电极,且电极是水平放置,电解槽运行时,电解液是自下而上穿过电极平面。该电极间加有绝缘密封垫圈,电极间的距离可由绝缘垫圈的厚度来调整,因而很易实现1mm以下的极间距结构,可有效的减少电耗,改善了电解槽的性能,提高了时空产率。同时,该电解槽结构简单,组装方便,电极易于更新再生,电解槽使用寿命长 ...
张恩浚   +3 more
core  

磷酸型燃料电池中电解质性能的研究(Ⅱ)

open access: yes, 1999
简要叙述了磷酸型燃料电池(PAFC)最新研究进展,介绍了在相同条件下比较氢和甲烷作为燃料在磷酸(85%)电解质和A型电解质(多氟磷酸和磷酸的混合物)中的电化学行为。在130℃,将塌解质燃料电池的输出特性与磷酸(85%)电解质燃料电池进行比较。全部 试验在有参比电极的三电极试验电池中进行,试验遇极采用自制电极的三电极辅助电极采用光亮铂电极或者镀铂电极,参比电极采用动态氢电极。测量系统是由D、H ...
邹红林, 李蒙俊, 文春燕
core   +1 more source

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