Results 11 to 20 of about 15,079 (167)

Edge‐Fluorinated Flower‐Like Porous Graphene Microspheres With Enlarged Interlayer Spacing for High‐Performance Potassium‐Ion Batteries

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT The utilization of carbonaceous anodes in electrochemical systems, particularly potassium‐ion batteries (PIBs), remains hindered by sluggish kinetics and modest capacities, which are caused by the intrinsic ion storage mechanisms and constrained interlayer spacings.
HaiSong Chen   +7 more
wiley   +1 more source

Investigating the Origin of Topological‐Hall‐Like Resistivity in Zn‐Doped Mn2Sb Ferrimagnet

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Skyrmions and other chiral spin textures have been extensively studied as potential building blocks for novel spintronic devices. Hall‐resistivity anomalies that deviate from magnetization scaling, known as the topological Hall effect, have been widely employed as evidence for the presence of chiral spin textures in magnetic materials. However,
BoCheng Yu   +9 more
wiley   +1 more source

Recent Advances in Piezocatalysis and Piezo‐Photocatalysis in Energy and Environment: Materials, Design, and Applications

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Piezocatalytic technology utilizes mechanical strain or stress‐induced piezoelectric phenomena to produce robust internal electric fields, markedly improving the separation efficiency of e−‐h+ pairs. This method has emerged as a focal point in catalysis by removing reliance on conventional light or electrical energy via its mechanical‐to ...
Yue Zhou   +5 more
wiley   +1 more source

Improving the Electrochemical Properties of SiOx/Graphite Anode for High‐Performance Lithium‐Ion Batteries by Ultrathin Lithium Film Prelithiation

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT High‐capacity SiOx/graphite (SiO/G) anodes offer great potential for advancing lithium‐ion battery technology; however, their practical application is limited by low initial coulombic efficiency (ICE) and rapid capacity decay. These challenges primarily arise from unstable phase transitions and the formation of the solid electrolyte interphase
Wan‐Xing Zhang   +14 more
wiley   +1 more source

Ultrahigh‐Strength Soft‐Magnetic NiFeCoAl Multi‐Principal Element Alloys Enabled by Multiscale Heterostructure Design

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Soft‐magnetic materials (SMMs) are indispensable for electrification and sustainable energy systems, yet their inherent mechanical fragility fundamentally limits applications under severe mechanical stresses. Enhancing the yield strength of SMMs is essential to prevent the degradation in magnetic performance and failure from plastic ...
Nairan Wang   +6 more
wiley   +1 more source

Effect of Worm‐Like Amorphous Phase on Corrosion Resistance and Antibacterial Properties of NiTiCu Alloy

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT By adding CuO, the worm‐like amorphous phase and atomic clusters were simultaneously introduced, enabling the (Ni40Ti40Cu20)99.9O0.1 alloy micron columns to exhibit a uniform flow strain of over 40% and a strength of over 2.5 GPa during compression.
Huwen Ma   +13 more
wiley   +1 more source

High‐Value Targeted Conversion of Copper Slag as LiFePO4 Material for Lithium‐Ion Batteries

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT The massive stockpiling of copper slag (CS) presents severe environmental and resource‐waste challenges. Existing strategies for CS valorization typically yield low‐value‐added products. Herein, we propose an innovative hierarchical regulation approach to transform CS into high‐performance LiFePO4 (LFP) cathode materials.
Yuyun Li   +5 more
wiley   +1 more source

Properties of Germanium Composited Lithium Phosphate Solid Electrolyte Thin Film [PDF]

open access: yes, 2015
固体电解质,作为一种具有离子导电性的固态物质,其应用已经渗透到很多的领域,如新型固体电池、高温氧化物燃料电池、离子传导型传感器件和太阳能电池等。其中固体电解质在锂离子电池中有着极其重要的应用,其固态性质可以大大提高锂离子电池的安全性,并且使手机等电子设备实现超长待机。在此之前研究较多的固体电解质薄膜为无定形态的LiPON,其离子电导率已达到1×10-6~3×10-6S/cm。通过在磷酸锂中掺杂氮元素,改善了磷酸锂本身较差的离子电导率(~10-18S/cm)。近期 ...
孙士博
core  

Research progress of cathode materials in solid oxide fuel cells [PDF]

open access: yes, 2021
Cathode material is an important component of solid oxide fuel cell. Improving the electron/ion conductivity of cathode materials and reducing the polarization resistance are important methods to make SOFC operate at low temperature and increase the ...
Li, Qinlan   +4 more
core   +2 more sources

绝缘子表面污秽电导率检测系统的研制

open access: yesGaoya dianqi, 2016
绝缘子表面污秽电导率对污闪预警具有重要作用,然而绝缘子表面污秽分布不均,其形成的微小电容对表面电导率的检测产生较大影响。为克服该影响,文中研制了基于相角差的绝缘子表面污秽电导率检测系统,详细介绍了系统检测原理以及系统关键部分的设计和仿真,并在实验室进行了污秽受潮试验,分析了污秽表面电导率随受潮时间的变化规律。结果表明:污秽干燥时,表面电导率很小;随着受潮的进行,表面电导率不断增大;污秽饱和受潮时,表面电导率达到最大;污秽过饱和受潮、流失时,表面电导率不断减小。因此,可将污秽受潮过程分为3个区段,受潮区 ...
钟荣富   +4 more
doaj  

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