锂离子电池硅负极循环稳定性研究进展
收稿日期: 2016-05-30
修回日期: 2016-09-28
网络出版日期: 2016-09-28
基金资助
国家科技部973计划(No. 2015CB932500、No. 2013CB632702)和国家自然科学基金项目(No. 51302141)资助
Research Progress in Cycle Stability of Silicon Based Li-Ion Battery Anodes
Received date: 2016-05-30
Revised date: 2016-09-28
Online published: 2016-09-28
郭择良 , 伍 晖 . 锂离子电池硅负极循环稳定性研究进展[J]. 电化学, 2016 , 22(5) : 499 -512 . DOI: 10.13208/j.electrochem.160546
Silicon(Si), with the highest specific capacity currently known, is a promising anode material for Li-ion battery. However, in the charging and discharging process, with Li atoms inserting into and breaking out of the Si crystal lattices, the Si anode undergoes enormous volume expansion and contraction, ending in pulverization. The fact that the specific capacity of bulk Si anodes drop quickly is a challenging problem. In this review, we summarize recent progresses in Si anode. We concern about the nanostructure of silicon, cooperation of silicon with other additives and macrostructure design of anodes. We discuss strengths and shortcomings of different methods, considering both electrochemical performance and mass production feasibility.
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