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不同成膜添加剂对LiFePO4锂离子电池性能的影响

王晨旭 刘中奎

安徽大学学报(自然科学版)2017,Vol.41Issue(4):91-96,6.
安徽大学学报(自然科学版)2017,Vol.41Issue(4):91-96,6.DOI:10.3969/j.issn.1000-2162.2017.04.015

不同成膜添加剂对LiFePO4锂离子电池性能的影响

Effect of different film forming additive on the performance of LiFePO4 lithium ion battery

王晨旭 1刘中奎1

作者信息

  • 1. 合肥国轩高科动力能源有限公司工程研究院,安徽合肥230011
  • 折叠

摘要

Abstract

Taking square aluminum shell 13 Ah LiFePO4 lithium ion battery as the research object,the effect of the two different film forming additive vinylene carbonate (VC) and propane sultone (PS) on the performance of the battery was examined.The data of the battery internal resistance and capacity after grading,performance of rate,hybrid pulse power characterization (HPPC),normal temperature cycle and high temperature cycle were analyzed,and it was concluded that the battery had the lower resistance,higher capacity and better performance of rate,HPPC,cycle performance at normal temperature and high temperature when 3%VC was added in the electrolyte.

关键词

SEI膜/成膜添加剂/锂离子电池

Key words

the SEI film/film forming additive/lithium ion battery

分类

信息技术与安全科学

引用本文复制引用

王晨旭,刘中奎..不同成膜添加剂对LiFePO4锂离子电池性能的影响[J].安徽大学学报(自然科学版),2017,41(4):91-96,6.

基金项目

国家重点研发计划新能源汽车重大专项(2016YFB0100300) (2016YFB0100300)

安徽大学学报(自然科学版)

OA北大核心CSTPCD

1000-2162

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