Effect of electrolyte additives in improving the cycle and calendar life of graphite/Li1.1[Ni1/3Co1/3Mn1/3]0.9O2 Li-ion cells

Jun Liu, Zonghai Chen, Sara Busking, Ilias Belharouak, Khalil Amine

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Lithium-rich layered metal oxide Li1.1[Ni1/3Co1/3Mn1/3]0.9O2 was investigated as a potential positive electrode material for high-power batteries for hybrid electric vehicle (HEV) applications. In order to evaluate the power and life characteristics of the graphite/Li1.1[Ni1/3Co1/3Mn1/3]0.9O2 cell chemistry, hybrid pulse power characterization (HPPC) and accelerated calendar life tests were conducted on several pouch cells containing electrolytes with and without additives. The data show that the cells containing 0.5 wt% lithium bis(oxalate)borate (LiBOB) or vinyl ethyl carbonate (VEC) additives, or the novel lithium difluoro(oxalato)borate (LiDFOB) additive, have much improved cycle and calendar life performance.

Original languageEnglish
Pages (from-to)852-855
Number of pages4
JournalJournal of Power Sources
Volume174
Issue number2
DOIs
Publication statusPublished - 6 Dec 2007

    Fingerprint

Keywords

  • Additive
  • Calendar life
  • Cycle life
  • HEV
  • Li-ion battery

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this