Guo Xifeng
6 Papers
58 Citations
Guo Xifeng is an academic researcher. The author has contributed to research in topics: Lithium & Solubility. The author has an hindex of 3, co-authored 6 publications.
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Papers
Patent
Preparation method of low-temperature electrolyte for lithium iron phosphate power battery
Guo Xifeng,Hongguang Liu,Liu Dafan,Zhao Hong,Yuan Li,Feng An,Yue Zhang,Wang Kun +7 more
- 22 Feb 2012
TL;DR: In this paper, a low-temperature electrolyte preparation method for a lithium iron phosphate power battery is described, which is characterized in that the method comprises the following steps: under the protection of dry inert gas, proportionally adding a plurality of dehydrated organic solvents with a water content of less than 5 ppm into a stainless steel preparation vessel with a jacket, stirring, well mixing, gradually adding certain amounts of electrolyte salts and additives in order, controlling the preparation temperature to be less than 20 DEG C, stirring and mixing for 30-60 min, and
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Patent
Preparation method of imidodisulfuryl fluoride lithium salt
Xiaoxing Zhang,Hongguang Liu,Ye Xuehai,Guo Xifeng,Liu Dafan,Wang Kun,Zhao Hong +6 more
- 22 Jan 2014
TL;DR: In this paper, a preparation method of imidodisulfuryl fluoride lithium salt is described, which is characterized by comprising of the following steps: performing reaction on thionyl chloride, sulfamic acid and chlorosulfonic acid in a reaction vessel without separation of an IMD compound (HN[SO2Cl]2) product, directly adding thionynyl chloride and anhydrous lithium salt for reaction so as to prepare the imidisulfurl fluoride salt, removing an organic solvent and a small amount of ethylamine, performing
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Patent
Preparation method of lithium hexafluorophosphate
Wang Kun,Hongguang Liu,Guo Xifeng,Ye Xuehai,An Feng,Yuan Li,Yue Zhang,Zhao Hong,Liu Dafan,Qingyun Zhao +9 more
- 28 Aug 2013
TL;DR: In this article, a preparation method of lithium hexafluorophosphate is described, which is characterized by comprising of the following steps of enabling Hexafluorsophosphates MPF6 to react with a raw material, namely, halogenated lithium salt LiF to obtain fluoride MF and lithium hexaphosphate LiPF6, wherein M is Li, Na, K, NH4 and Ag.
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Patent
Non-aqueous electrolyte manufacturing method for high-magnification charge-discharge lithium power battery
Liu Dafan,Guo Xifeng,Hongguang Liu,Yuan Li,An Feng,Yue Zhang,Wang Kun,Ye Xuehai +7 more
- 13 Jun 2012
TL;DR: In this article, a non-aqueous electrolyte manufacturing method for a high-magnification charge-discharge lithium power battery was proposed, where the electrolyte comprises polyelement composite nonaqueous solvent, polyelement electrolyte salt and various additives.
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Patent
Preparation method of high-purity lithium hexafluorophosphate
Hongguang Liu,Wang Kun,Guo Xifeng,Ye Xuehai,Liu Dafan,An Feng,Yuan Li,Yue Zhang,Zhao Hong,Qingyun Zhao +9 more
- 25 Dec 2013
TL;DR: In this article, a preparation method of high-purity lithium hexafluorophosphate, which is characterized in that the characteristic that PF5 generation is facilitated due to higher solubility of MPF6 in a mixed solvent is utilized.
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