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铁钴镍合金在锂硫电池正极材料中的应用研究 被引量:1

Research of FeNiCo in Cathode Materials of Lithium Sulfur Battery
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摘要 本文在羧基化碳纳米管/石墨烯复合材料中引入铁钴镍合金,形成具有三维网络结构的正极材料,并制备成正极片用于锂硫电池中。一系列的性能测试结果表明,铁钴镍合金的引入有效提高了电池的整体性能,这是由于三维导电网络结构提高了电极的导电性,同时铁钴镍合金的引入增强了电池充放电过程中对多硫化物的物理和化学吸附,甚至可能加快多硫化物转化反应的动力学过程。 In this paper, FeCoNi alloy was introduced into CNTs / graphene composites, and the cathode material with three-dimen-sional network structure was formed. The cathode was used in lithium sulfur battery. Through the performance test, a series of results showed that the introduction of FeCoNi alloy could effectively improve the overall performance of the battery, which was due to the three-dimensional conductive network structure to improve the conductivity of the electrode, while the introduction of FeCoNi alloy was enhanced the physical and chemical adsorption for polysul?de during charge and discharge process of the battery, and even may accelerate the polysul?de conversion reaction.
作者 郭泽青 GUO Zeqing(Institute of Chemical and Materials Engineering, Nanomaterials & Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, Chin)
出处 《化工技术与开发》 CAS 2018年第5期25-29,共5页 Technology & Development of Chemical Industry
关键词 碳纳米管 石墨烯 铁钴镍合金 锂硫电池 carbon nanotube grapheme FeCoNi Li-S batteries
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