Results 31 to 40 of about 530,612 (168)
A High Capacity‐Long Cycling Concurrent Strategy of Ti3C2/MgH2 for Lithium Storage
Rare Metals, Volume 45, Issue 2, February 2026.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
Dianci bileiqi, 2020 雷击是造成输电线路发生跳闸和停运事故的主要原因。"防雷在于接地",对输电线路的接地网的冲击接地特性进行研究改进对于防止雷击事故有着不可或缺作用。本文在不考虑火花放电效应和考虑火花放电效应两方面对钢、铜、石墨复合接地材料的接地网冲击接地阻抗进行对比分析。同时,采用ATP-EMTP建立了考虑火花效应时的接地散流模型,研究了土壤电阻率、接地网面积及冲击电流幅值对接地网冲击接地特性的影响。研究结果表明:考虑火花放电效应时,接地材料的冲击接地阻抗相比不考虑火花放电有所降低 ...
高晓晶 +7 more
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Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Dielectric ceramics are popular for energy storage materials because of their rapid charge–discharge characteristics, whereas their low energy density and efficiency hinder their miniaturization and integration. In this work, the energy storage performance is significantly enhanced through introducing Al2O3 and TiO2 into the 0.425(Bi0.5Na0.5 ...
Qiansi Zhang +9 more
wiley +1 more source
Dianci bileiqi, 2017 针对当前降阻剂腐蚀性强、稳定性差等问题,利用化学氧化聚合法,合成了一种新型复合材料,即膨润土/聚吡咯（MMT/PPy）,通过添加缓蚀剂等成分制备出了新型大分子降阻剂,采用控制变量法和失重法得到了降阻剂的最佳配方,采用红外光谱（FTIR）、扫描电镜（SEM）和能谱（EDS）对其进行表征分析,并对制备的新型大分子降阻剂进行性能试验研究。结果表明:MMT/PPy复合材料的最佳配方为膨润土（MMT）20%25%,十六烷基三甲基溴化铵（CTMAB）5%8%,对甲苯磺酸钠（TASNa）12%14%,吡咯（Py）5 ...
田野, 朱志平, 周艺, 柳森
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Gallium‐Doped α‐MnO2 Cathode for High‐Performance Aqueous Zinc‐Ion Batteries
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Rechargeable aqueous zinc‐ion batteries (ZIBs) have received significant attention because of their high safety and low cost. MnO2 as a cathode material hampers the application of ZIBs due to its structural instability and dissolution during the operation of the battery.
Wen‐yu Xu +13 more
wiley +1 more source
, 2017 本申请公开了一种无卤阻燃剂及含有该阻燃剂的高分子材料，所述无卤阻燃剂包括化合物A和化合物B；其中，所述化合物A选自由化合物C中至少一个羟基失去氢原子形成的酸根阴离子与金属阳离子形成的非酸性金属盐中的至少一种；所述化合物C选自具有如式(I)所示化学式的化合物中的至少一种；所述化合物B选自具有式(II)所示化学式的化合物、具有式(III)所示化学式的化合物中的至少一种。该无卤阻燃剂克服了现有烷基膦酸盐作为阻燃剂的不足 ...
陈俊 +5 more
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基于复合材料塔头的110 kV双回输电线路反击耐雷性能仿真分析
Dianci bileiqi, 2020 复合材料杆塔以其突出的机械性能、绝缘性能和环境友好性,是未来国家电网输电线路杆塔改造的重要发展方向,开展复合材料杆塔输电各项关键技术的研究工作十分重要。针对目前提出的复合材料塔头与金属角钢塔身组合而成的"半绝缘结构复合材料杆塔",采用顺线方向垂直引下接地的防雷设计方案,考虑感应电压和工作电压的影响,通过EMTP/ATP仿真计算获得其反击一相闪络和两相闪络的耐雷水平,并分析了接地电阻对耐雷水平的影响。计算结果表明:随着接地电阻从10Ω升高到20Ω,半绝缘结构复合材料杆塔反击一相闪络的耐雷水平降低了82 ...
张廼龙 +4 more
doaj
Gaoya dianqi, 2021 为了制得性能稳定的碳—陶瓷线性电阻片,该研究对电阻片制造过程中的混料工艺进行了系统的研究。首先对炭黑的加入方式进行了对比,然后对炭黑与黏土材料的混料时间、料水比进行了系统研究,获得了混料时间、料水比对电阻片性能的影响规律,并最终确定了较优的混料工艺参数。实验结果表明,炭黑先球磨分散后再与黏土混合有利于降低电阻值分散性,电阻的电阻率呈现随着炭黑与粘土混料时间的增长先减小后增大的规律,电阻温度系数均随着测试温度升高先减小后增大。综合考虑,针对该配方的最佳混料工艺为分步混合法,磨球选?6锆球 ...
陈蕊 +7 more
doaj
Review of additively manufactured zinc alloys by laser powder bed fusion for biomedical applications
Rare Metals, Volume 44, Issue 11, Page 8262-8291, November 2025.Graphical abstract AbstractZinc (Zn) and its alloys have emerged as promising candidates for biomedical materials, owing to their controlled degradation kinetics, intrinsic biocompatibility, and the release Zn2+ ions which are known to promote bone regeneration and tissue healing.
Xuan Yang +5 more
wiley +1 more source
, 2015 本申请公开了一种无卤阻燃剂及含有该无卤阻燃剂的阻燃高分子材料。该无卤阻燃剂克服了现有技术中二烷基次膦酸盐对工程塑料阻燃效率低的缺点，同时解决二烷基次膦酸盐协同剂热稳定性不高 ...
殷一鸣, 曹微虹, 姚强
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