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高比能锂硫电池正极材料
引用本文:陈人杰,赵腾,李丽,陈君政,吴锋.高比能锂硫电池正极材料[J].中国科学:化学,2014(8):1298-1312.
作者姓名:陈人杰  赵腾  李丽  陈君政  吴锋
作者单位:环境科学工程北京重点实验室,北京理工大学化工与环境学院;国家高技术绿色材料发展中心,北京100081
基金项目:国家自然科学基金(21373028); 国家高技术研究发展计划(2011AA11A256)资助
摘    要:锂硫电池被认为是最有发展潜力的新型多电子反应的二次电池体系之一.单质硫与锂反应的理论比容量为1675 mA h g?1,质量比能量达2600 W h kg?1,远远高于现行的传统锂离子二次电池材料.同时硫又具有来源丰富、环境友好等优点.然而,仍然有许多问题制约了锂硫电池的发展与广泛应用.本文综述了近年来锂硫电池正极材料的研究进展.

关 键 词:锂硫电池  复合正极材料  纳米碳材料  导电聚合物  氧化物

Cathode materials for high-specific-energy Li-S batteries
CHEN RenJie,ZHAO Teng,LI Li,CHEN JunZheng,WU Feng.Cathode materials for high-specific-energy Li-S batteries[J].Scientia Sinica Chimica,2014(8):1298-1312.
Authors:CHEN RenJie  ZHAO Teng  LI Li  CHEN JunZheng  WU Feng
Institution:1 Beijing Key Laboratory of Environmental Science and Engineering; Institute of Technology, Beijing 100081, China 2 National Development Center of High Technology Green Materials, School of Chemical Engineering and Environment, Beijing Beijing 100081, China)
Abstract:Li-S batteries have long been considered as one of the most potential candidates of novel multi-electron reaction system. Given the complete reaction of Li with S to form Li2S, Li-S batteries exhibit a theoretical specific capacity of 1675 mA h g-1 and energy density of -2600 W b kg l, which are much higher than those of state-of-the-art Li-ion batteries. In addition, S is naturally abundant with low environmental impact. However, wide applications of Li-S battery are hindered by many inherent problems. Here we review the recent advances in the cathode materials for high-specific-energy Li-S batteries.
Keywords:lithium-sulfur battery  cathode composite  nanostructured carbon materials  conductive polymer  oxide
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