CHEMFISH TOKYO株式会社 リチウムイオン電池用電解質「 LiPO2F2」
- 最終更新日：2021-11-04 17:07:38.0
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化学名： LiPO2F2 分子式： F2H2LiO2P CAS番号：24389-25-1
Purity 99.80
Moisture 27.3
As 0.40
Fe 2.40
Sn 0.30
Cu 0.10
Ag 0.20
Ni 0.20
Ca 0.80
Al 0.50
Na 4.60
K 0.70
基本情報リチウムイオン電池用電解質「 LiPO2F2」
Lithium difluorophosphate (LiPO2F2) was used as an electrolyte additive to promote the low temperature performance of LiNi0.5Co0.2Mn0.3O2/graphite cells. The impact of LiPO2F2 on the solid electrolyte interface (SEI) film-formation on electrodes was demonstrated by various electrochemical methods and microscopy techniques, such as transmission electron microscopy (TEM), scanning electron microscope (SEM) as well as X-ray photoelectron spectroscopy (XPS), in the pouch cells and half cells.
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| 用途／実績例 | The results showed that the cells containing 1% LiPO2F2 performed 71.9% (−20 °C) and 57.93% (−30 °C) of initial capacity, while the cells without LiPO2F2 discharged only 49.41% and 9.6% of initial capacity under the same condition. In addition, the enhancement of cyclic performance at 0 °C was attributed to a conductive and stable SEI film formed on the graphite by the sacrifice of LiPO2F2, which led to a low impedance and richer content of LiF and Li2CO3 in SEI components |
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取扱企業リチウムイオン電池用電解質「 LiPO2F2」
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【製品】 ■電子材料中間体 ■難燃剤 ■電解液添加剤 ■イオン液体 「バッテリグレード」 ■フッ素化合物 ■医薬中間体 ■光開始剤 ■委託合成
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