期刊
JOURNAL OF POWER SOURCES
卷 263, 期 -, 页码 288-295出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.04.063
关键词
Vinylene carbonate; Graphite exfoliation; Lithium-ion battery; Solid electrolyte interphase (SEI)
资金
- Vehicle Technologies Office of the U.S. Department of Energy, under the Batteries for Advanced Transportation Technologies (BATT) and Applied Battery Research (ABR) Program
- Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-AC02-05CH11231]
We investigated the use of polymerized vinylene carbonate (polyVC) as a binder for graphite anodes in lithium-ion cells. It functions not only of a traditional binder, but also plays an important role in surface stabilization of graphite in propylene carbonate (PC)-based electrolytes. In an electrolyte with PC content as high as 30 wt%, the polyVC binder enhanced battery performance, with a reversible capacity of similar to 170 mAh g(-1) at a delithiation rate of 1 C, whereas a comparable graphite cell fabricated with a polyvinylidene fluoride (PVDF) binder failed to cycle. Published by Elsevier B.V.
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