US Patent No. 10,367,227

ELECTROLYTE COMPOSITION AND METAL-ION BATTERY EMPLOYING THE SAME


Patent No. 10,367,227
Issue Date July 30, 2019
Title Electrolyte Composition And Metal-ion Battery Employing The Same
Inventorship Che-Wei Chang, Taichung (TW)
Wen-Sheng Chang, Hsinchu (TW)
Chun-Tsung Hsu, Tainan (TW)
Yu-Wen Yeh, Xinfeng Township, Hsinchu County (TW)
Tai-Feng Hung, Taipei (TW)
Chang-Chung Yang, Taipei (TW)
Assignee INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)

Claim of US Patent No. 10,367,227

1. An electrolyte composition, comprising:a metal chloride;
a chlorine-containing ionic liquid; and
an additive, wherein the additive has a structure represented by Formula (I)
[M]i[(A(SO2CxF2x+1)y)b?]j  Formula (I),
wherein M is ammonium cation, azaannulenium cation, azathiazolium cation, benzimidazolium cation, benzofuranium cation, benzotriazolium cation, borolium cation, cholinium cation, cinnolinium cation, diazabicyclodecenium cation, diazabicyclononenium cation, diazabicyclo-undecenium cation, dithiazolium cation, furanium cation, guanidinium cation, imidazolium cation, indazolium cation, indolinium cation, indolium cation, morpholinium cation, oxaborolium cation, oxaphospholium cation, oxazinium cation, oxazolium cation, iso-oxazolium cation, oxathiazolium cation, pentazolium cation, phospholium cation, phosphonium cation, phthalazinium cation, piperazinium cation, piperidinium cation, pyranium cation, pyrazinium cation, pyrazolium cation, pyridazinium cation, pyridinium cation, pyrimidinium cation, pyrrolidinium cation, pyrrolium cation, quinazolinium cation, quinolinium cation, iso-quinolinium cation, quinoxalinium cation, selenozolium cation, sulfonium cation, tetrazolium cation, iso-thiadiazolium cation, thiazinium cation, thiazolium cation, thiophenium cation, thiuronium cation, triazadecenium cation, triazinium cation, triazolium cation, iso-triazolium cation, or uronium cation, wherein M has a valence of a; a is 1, 2, or 3; A is N, O, Si, or C; x is 1, 2, 3, 4, 5, or 6; y is 1, 2, or 3; b is 1, 2, or 3; i is 1, 2, or 3; j is 1, 2, or 3; a/b=j/i; and when y is 2 or 3, the (SO2CxF2x+1) moieties are the same or different.