期刊
ADVANCED ENERGY MATERIALS
卷 8, 期 21, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201800650
关键词
Li metal anodes; lithium dendrites; nucleation; SEI films; stability
类别
资金
- Jilin Province/Jilin University co-Construction Project-Funds for New Materials [SXGJSF2017-3, Branch-2/440050316A36]
- National Key R&D Program of China [2016YFA0200400]
- Open project of State Key Laboratory of Superhard Materials [201801]
- Program for JLU Science and Technology Innovative Research Team (JLUSTIRT)
- Double-First Class Discipline for Materials Science & Engineering, and the Graduate Innovation Fund of Jilin University [2017182]
- Special Funding for Academic Leaders at Jilin University
The lithium dendrite, inducing short circuit and breaking solid electrolyte interphase (SEI) films, is deleterious to the stability of Li metal batteries due to the uncontrollable occurrence of miscellaneous stresses. In contrast to conventional suppression routes, herein a strategy is proposed via controlling SEI film broken regions to minimize releasing stress in terms of weaving lithium pits. Inspired by the principle of zippers, zipper-like SEI films enable offering ordered pattern on the surface of Li anode via mechanical rolling. For the available cells, net-like sewing/breaking patterns alternatively occur in Li plating/stripping. In the same electrolyte, a stable and dendrite-free Li homogeneous growth is achieved.
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