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A phosphorous additive for lithium-ion batteries

  • Yulin Ma*
  • , Geping Yin
  • , Pengjian Zuo
  • , Xiaolan Tan
  • , Yunzhi Gao
  • , Pengfei Shi
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Triphenyl phosphite (TPPi) is reported as a phosphorous additive for lithium-ion batteries. It is found that TPPi can depress the flammability of electrolyte. Moreover, a passivation layer formed on the surface of the LiFePO4 electrode as the Li/ LiFePO4 cell was overcharged in the electrolyte containing TPPi. TPPi can be used as an additive for the overcharge protection of LiFePO4 cathode for lithium-ion batteries. The cycle performance of the Li/ LiFePO4 cell decreases slightly in the electrolyte containing 10 wt % TPPi after 40 cycles.

Original languageEnglish
Pages (from-to)A129-A131
JournalElectrochemical and Solid-State Letters
Volume11
Issue number8
DOIs
StatePublished - 2008

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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