周亚州,张占领,柳勇,张万红,任凤章

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心
• 3:河南省有色金属材料科学与加工技术重点实验室

摘要(Abstract)：

为解决锂金属负极在循环过程中枝晶生长问题，本研究通过对黄铜网进行化学脱合金和硫化处理制备亲锂铜基硫化亚铜集流体来调控锂金属沉积。采用X射线衍射(XRD)、扫描电镜(SEM)以及电化学分析等研究集流体对锂金属电池性能的影响。结果表明：在循环过程中硫化亚铜可以作为形核种子诱导锂金属均匀沉积，并提升电池性能；在电流密度为1 mA·cm~(-2)的半电池测试中，循环350圈后库伦效率稳定维持在98%以上；搭配磷酸铁锂进行全电池测试，在0.5 C电流密度下可稳定循环150圈，容量保持率78.3%。

关键词(KeyWords)： 三维铜基集流体;硫化亚铜亲锂改性;无枝晶锂金属负极;锂金属电池;均匀沉积

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2020YFB1713500);; 国家自然科学基金(52111530068)

作者(Author): 周亚州,张占领,柳勇,张万红,任凤章

DOI: 10.13289/j.issn.1009-6264.2022-0008

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