C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/28 (2006.01) C07F 9/535 (2006.01) H01M 10/08 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2280938
The invention concerns novel lithium fluorophosphates of general formula Li+[PF a(CH b F c(CF3)d)e]- (1) in which: a designates 1, 2, 3, 4 or 5; b designates 0 or 1, c designates 0, 1, 2 or 3; d designates 0, 1, 2 or 3; and a designates 1, 2, 3 or 4, provided that the total of a + e equals 6, the total of b + c + d equals 3, and b and c do not simultaneously designate 0, and provided that the ligands (CH b F c(CF3)d) can be different. The invention further concerns a process for preparing these compounds, their use in electrolytes, and lithium batteries produced with these electrolytes.
L'invention concerne de nouveaux fluorophosphates de lithium de la formule générale (I) Li<+>[PFa(CHbFc(CF3)d)e]<->, dans laquelle a vaut 1, 2, 3, 4 ou 5, b vaut 0 ou 1, c vaut 0, 1, 2 ou 3, d vaut 0, 1, 2 ou 3 et e vaut 1, 2, 3 ou 4, sous réserve que la somme a + e soit égale à 6, la somme b + c + d, à 3, et que b et c ne valent pas simultanément 0, et à condition que les ligands (CHbFc(CF3)d) puissent être différents. L'invention concerne la préparation de ces composés, leur utilisation dans des électrolytes, ainsi que des piles au lithium produites à l'aide de ces électrolytes.
Ignatyev Nikolai
Sartori Peter
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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