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纳米CoFe2O4／GNS负极制备及其电化学性能研究
  • ISSN号：1006-3471
  • 期刊名称：《电化学》
  • 时间：0
  • 分类：O646[理学—物理化学;理学—化学]
  • 作者机构：[1]厦门大学固体表面物理化学国家重点实验室、化学化工学院化学系,福建厦门361005
  • 相关基金：国家自然科学基金项目（No.200933005,No.21021002）、国家973计划项目（No.2009CB220102）、厦门市纯电动汽车重大专项（I期）（No.3502220121002）和国家基础科学人才培养基金项目（No.J1210014）资助
作者： 蔡默超, 蔡森荣, 郑明森[1], 董全峰[1]
关键词： 溶剂热法, CoFe2O4, 负极材料, 纳米材料, solvothermal method, CoFe2O4, anode material, nanoparticle
中文摘要：

采用溶剂热法一步合成纳米尺寸CoFe2O4／GNS复合材料（直径约为15nm），其颗粒尺寸均一，且均匀分散于石墨烯表面．电化学测试结果表明，该复合物电极具有良好的循环和倍率性能，500mA·g-1电流密度下100周期循环比容量稳定在709mAil·g-1，容量保持率高达95．8％；2A·g-1电流密度，其比容量仍高达482mAh·g-1．

英文摘要：

The CoFe2O4/GNS was synthesized by a simple one-pot solvothermal method. The results obtained by X-ray diffraction （XRD） and transmission electron microscopy （TEM） showed that the CoFe2O4 particles with sizes of 15 nm dispersed on the surface of graphene uniformly. Electrochemical tests indicated that the CoFe2O4/GNS nanocomposite exhibited excellent cyclic stability with almost 95.8% capacity retention after 100 cycles at the current density of 500 mA .g-1 and delivered a high reversible capacity of 482 mAh.g-1 at the current density of 2 A. g-1.

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期刊信息
  • 《电化学》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学技术协会
  • 主办单位:中国化学会 厦门大学
  • 主编：孙世刚
  • 地址：厦门大学D信箱
  • 邮编：361005
  • 邮箱：dianhx@xmu.edu.cn
  • 电话：0592-2181469
  • 国际标准刊号：ISSN：1006-3471
  • 国内统一刊号：ISSN：35-1172/O6
  • 邮发代号:34-61
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:4569