Patent number: 11588143
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:
September 30, 2020
Date of Patent:
February 21, 2023
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors:
Hirotetsu Suzuki, Ryuichi Natsui, Nobuhiko Hojo
Patent number: 11569492
Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and contains is represented by the composition formula (1) and an insulating compound, 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:
September 15, 2020
Date of Patent:
January 31, 2023
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors:
Ryuichi Natsui, Kensuke Nakura
Patent number: 11462736
Abstract: A compound represented by LiaCo(1-x-2y)Mex(M1M2)yO?, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0?x?0.3, 0<y?0.4, 0.95???1.4, and 1.90???2.10 is disclosed. Further, particles including such compounds are described.
Type:
Grant
Filed:
February 26, 2020
Date of Patent:
October 4, 2022
Assignee:
Apple Inc.
Inventors:
Hongli Dai, Dapeng Wang, Huiming Wu, Fiona Claire Strobridge, John David Carter, Christopher S. Johnson, Xiaoping Wang, Hakim H. Iddir, Arthur Jeremy Kropf, Yan Li, Victor A. Maroni, Anh D. Vu, Zhenzhen Yang, Arturo Gutierrez, Yanjie Cui