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材料导报  2025, Vol. 39 Issue (16): 24060208-8    https://doi.org/10.11896/cldb.24060208
  金属与金属基复合材料 |
锂金属电池负极集流体用多孔铜箔的研究进展
肖思琪2, 李勇1,2,*, 刘子梁2, 梁淑贞2, 刘玉峰2
1 江西理工大学宜春锂电新能源产业研究院,江西 宜春 336023
2 江西理工大学材料科学与工程学院,江西 赣州 341000
Research Progress of Porous Copper Foil for Negative Current Collector in Lithium Metal Batteries
XIAO Siqi2, LI Yong1,2,*, LIU Ziliang2, LIANG Shuzhen2, LIU Yufeng2
1 Yichun Lithium New Energy Industry Research Institute, Jiangxi University of Science and Technology, Yichun 336023, Jiangxi, China
2 School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
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摘要 多孔铜箔作为锂金属电池负极集流体具有出色的导电性、巨大的表面积和良好的经济成本效益。普通二维铜箔在充放电过程中存在锂枝晶的无控生长以及脱落的枝晶变成“死锂”使得容量降低等问题,严重影响了电池的寿命和循环稳定性;而多孔铜箔的三维结构则可以有效缓解锂枝晶生长的问题,其表面和内部的大量孔隙使得容纳活性物质的空间大大增加,孔隙边缘的高曲率使得该区域的电流密度更高,可诱导锂在孔洞内部沉积,有效抑制锂枝晶在表面的生长,而亲锂化改性则能降低锂在金属铜上成核的过电位,有效稳定锂沉积行为。本文介绍了以多孔铜箔为锂金属电池负极集流体的研究现状及对铜箔亲锂化改性的制备方法,分析了多孔铜箔的储锂机制和亲锂化改性的优势,展望了多孔铜箔集流体的应用前景,并指出了当前研究中存在的问题。
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肖思琪
李勇
刘子梁
梁淑贞
刘玉峰
关键词:  多孔铜集流体  脱合金  亲锂化改性  锂金属电池    
Abstract: Porous copper, as an anode collector for lithium metal batteries, has excellent conductivity, a huge surface area and good economic cost-effectiveness. In the process of charging and discharging, there are problems such as uncontrolled growth of lithium dendrites and the shedding of dendrites into "dead lithium", thus reducing the capacity, which seriously affects the battery’s lifespan and cycling stability, whereas the 3D structure of the porous copper foil can effectively alleviate the problem of dendrite growth, and the large number of pore spaces on the surface and in the interior greatly increases the space to accommodate the active substance, the high curvature of the pore edges makes the current density in this region higher, which can induce lithium deposition to the inside of the pores, effectively avoiding lithium dendritic growth on the surface, and the lithophilic modification can reduce the overpotential of lithium nucleation on metallic copper, effectively stabilizing the lithium deposition behavior. This paper introduces the current research status of porous copper as anode collector for lithium metal batteries and its preparation method of lithophilic modification of copper foil, analyzes the lithium storage mechanism of porous copper and the advantages of lithophilic modification, looks forward to the application prospect of porous copper collector, and points out the problems existing in the current research.
Key words:  porous copper current collector    dealloying    lithophilic modification    lithium metal battery
出版日期:  2025-08-25      发布日期:  2025-08-15
ZTFLH:  TG146.11  
基金资助: 宜春市重大科技项目(2023ZDJCYJ02);江西省教育厅科技计划(GJJ2200818)
通讯作者:  李勇,博士,江西理工大学材料科学与工程学院副教授、硕士研究生导师。赣州市委直接联系专家,美国路易斯安那州立大学访问学者,江西理工大学第二批清江拔尖人才。目前主要从事锂离子电池负极材料及金属基复合材料的研究工作。liyong0248@163.com   
作者简介:  肖思琪,江西理工大学材料科学与工程学院硕士研究生,在李勇副教授的指导下进行研究。目前主要研究领域为多孔铜箔在锂金属电池负极材料中的应用。
引用本文:    
肖思琪, 李勇, 刘子梁, 梁淑贞, 刘玉峰. 锂金属电池负极集流体用多孔铜箔的研究进展[J]. 材料导报, 2025, 39(16): 24060208-8.
XIAO Siqi, LI Yong, LIU Ziliang, LIANG Shuzhen, LIU Yufeng. Research Progress of Porous Copper Foil for Negative Current Collector in Lithium Metal Batteries. Materials Reports, 2025, 39(16): 24060208-8.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.24060208  或          https://www.mater-rep.com/CN/Y2025/V39/I16/24060208
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