Patent number: 10833317
Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and that is represented by the composition formula (1) and a lithium ion conductor, LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7?x?2.2 0.8?y?1.3 1???2.5 0.
Type:
Grant
Filed:
November 22, 2017
Date of Patent:
November 10, 2020
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors:
Ryuichi Natsui, Kensuke Nakura
Patent number: 10833316
Abstract: Provided is a battery including: a positive electrode containing a positive electrode active material; a negative electrode; and an electrolyte solution containing a nonaqueous solvent. The positive electrode active material contains a compound represented by composition formula (1) below and having a crystal structure belonging to space group FM3-M: LixMeyO?F?. (1) Here, Me is one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and C. x, y, ?, and ? satisfy the following conditions: 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2, respectively. The nonaqueous solvent includes at least one solvent selected from hydrofluoroethers, phosphazenes, phosphates, and perfluoropolyethers.
Type:
Grant
Filed:
November 15, 2017
Date of Patent:
November 10, 2020
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors:
Hirotetsu Suzuki, Ryuichi Natsui, Nobuhiko Hojo
Patent number: 10833315
Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including a nonaqueous solvent. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): LixMeyO?F?, where, Me is one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr; and subscripts x, y, ?, and ? satisfy the following requirements: 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2. The nonaqueous solvent includes a solvent having at least one fluoro group.
Type:
Grant
Filed:
November 15, 2017
Date of Patent:
November 10, 2020
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors:
Takayuki Nakatsutsumi, Ryuichi Natsui, Nobuhiko Hojo