LiClによる有機溶媒中のLiPF_6と水の反応の抑制効果

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タイトル別名
  • LiCl Suppresses Water/LiPF_6 Reaction in Nonaqueous Electrolytes for Li Cells
  • LiCl ニ ヨル ユウキ ヨウバイ チュウ ノ LipF6 ト ミズ ノ ハンノウ ノ ヨクセイ コウカ

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抄録

It is known that LiPF_6 reacts with water. In this study LiC1, LiF, LiBr and LiI were added to the LiPF_6 electrolyte with about 5000ppm water to inhibit the decomposition of LiPF_6. When 0.1M LiC1 was added, the LiPF_6 electrolyte with water did not decompose for 50 hours. From DSC measurement, it was found that the amount of an exothermic heat at 265℃ did not change at all for 48 hours when LiC1 was added. It suggests that LiPF_6 salt was not decomposed.

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