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覆银硅微通道板用于三维锂离子电池负极研究

王斐 徐少辉 祝珊珊 楼薛锋 惠珂霜 杨平雄 王连卫

王斐, 徐少辉, 祝珊珊, 楼薛锋, 惠珂霜, 杨平雄, 王连卫. 覆银硅微通道板用于三维锂离子电池负极研究[J]. 华东师范大学学报(自然科学版), 2013, (5): 110-118, 129.
引用本文: 王斐, 徐少辉, 祝珊珊, 楼薛锋, 惠珂霜, 杨平雄, 王连卫. 覆银硅微通道板用于三维锂离子电池负极研究[J]. 华东师范大学学报(自然科学版), 2013, (5): 110-118, 129.
WANG Fei, XU Shao-hui, ZHU Shan-shan, LOU Xue-feng, HUI Ke-shuang, YANG Ping-xiong, WANG Lian-wei. Silver-coated silicon microchannel plates for three-dimensional lithium-ion batteries anodes[J]. Journal of East China Normal University (Natural Sciences), 2013, (5): 110-118, 129.
Citation: WANG Fei, XU Shao-hui, ZHU Shan-shan, LOU Xue-feng, HUI Ke-shuang, YANG Ping-xiong, WANG Lian-wei. Silver-coated silicon microchannel plates for three-dimensional lithium-ion batteries anodes[J]. Journal of East China Normal University (Natural Sciences), 2013, (5): 110-118, 129.

覆银硅微通道板用于三维锂离子电池负极研究

详细信息
  • 中图分类号: O649.4

Silver-coated silicon microchannel plates for three-dimensional lithium-ion batteries anodes

  • 摘要: 采用光辅助电化学刻蚀和无电镀银方法,制备出一种可用于三维锂离子电池的覆银硅微通道板(Ag/Si-MCP)负极结构. 利用XRD和扫描电镜(SEM)对材料特性进行表征;并在氩气氛保护下以锂片为对电极封装为CR2025半电池,采用恒流充放电测试、循环伏安法(CV)及交流阻抗法(EIS),对银覆盖层对电极性能的影响进行了细致的分析. 在0.02 V~1.5 V电位(vs. Li+/Li)范围内以10 mAg-1电流密度进行恒流充放电测试. 样品在首次充电(硅的锂合金化)过程中获得高达3 484.7 mAhg-1的比容量值,且在首次充放电循环中库仑效率达到95.97%. 并在随后的循环中,表现出优于未经覆银处理的硅微通道电极的性能.
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出版历程
  • 收稿日期:  2012-11-01
  • 修回日期:  2013-02-01
  • 刊出日期:  2013-09-25

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