Thermal stability of FeF3 cathode for Li-ion batteries

Mingjiong Zhou, Liwei Zhao, Takayuki Doi, Shigeto Okada, Jun ichi Yamaki

研究成果: ジャーナルへの寄稿学術誌査読

49 被引用数 (Scopus)

抄録

The thermal stability of a FeF3 cathode was quantitatively studied by differential scanning calorimetry (DSC). The cycled electrode without electrolyte was examined and found to become more thermally stable after Li-ion insertion. On the other hand, mixtures of cycled electrodes and electrolyte were investigated by changing the ratio of cycled electrode to electrolyte. The thermal decomposition of the electrolyte was mainly responsible for the exothermic heat for the discharged electrode and electrolyte combination. Although a reaction between the active materials of the electrode and electrolyte was observed for the mixture of the charged electrode and electrolyte, the exothermic heats were small. In contrast to lithium transition-metal oxide cathodes for lithium-ion batteries, the exothermic heat was suppressed by the FeF3 electrode. Therefore, FeF3 as a cathode for Li-ion batteries shows more thermal stability at elevated temperatures. Crown

本文言語英語
ページ(範囲)4952-4956
ページ数5
ジャーナルJournal of Power Sources
195
15
DOI
出版ステータス出版済み - 8月 1 2010

!!!All Science Journal Classification (ASJC) codes

  • 再生可能エネルギー、持続可能性、環境
  • エネルギー工学および電力技術
  • 物理化学および理論化学
  • 電子工学および電気工学

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