Improving electrochemical performance of graphitic carbon in PC-based electrolytes by using N-vinyl-2-pyrrolidone as an additive

B. Wang, H. P. Zhang, L. C. Yang, Q. T. Qu, Y. P. Wu, C. L. Gan, D. L. Zhou

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

N-vinyl-2-pyrrolidone (NVP) as a new film-forming additive has been theoretically and experimentally studied for a graphite (CMS) electrode in a PC-based electrolyte for lithium ion batteries. It was found that the additive showed a higher reduction potential than that of PC, consistent with the results of quantum chemical calculation. Electrochemical studies including cyclic voltammetry and cycling behavior show that the added NVP molecules can improve the electrochemical performance of graphite in PC-based electrolyte.

Original languageEnglish
Pages (from-to)1571-1574
Number of pages4
JournalElectrochemistry Communications
Volume10
Issue number10
DOIs
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Cycleability
  • Film-forming
  • Lithium ion batteries
  • N-vinyl-2-pyrrolidone

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