公开(公告)号：US10833315B2

公开(公告)日：2020-11-10

申请号：US15813210

申请日：2017-11-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Nakatsutsumi ,  Ryuichi Natsui ,  Nobuhiko Hojo

IPC: H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0568 ,  C01G51/00 ,  C01G45/00 ,  C01G53/00 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/02

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): LixMeyOαFβ, 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, α, and β satisfy the following requirements: 1.7≤x≤2.2, 0.8≤y≤1.3, 1≤α≤2.5, and 0.5≤β≤2. The nonaqueous solvent includes a solvent having at least one fluoro group.

公开(公告)号：US10811673B2

公开(公告)日：2020-10-20

申请号：US15821749

申请日：2017-11-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki ,  Ryuichi Natsui

IPC: H01M4/1315 ,  H01M10/0562 ,  H01M4/485 ,  H01M10/052 ,  C01G45/00 ,  C03C10/00 ,  C03C3/32 ,  H01M4/505 ,  C01B11/24 ,  H01M10/0525 ,  H01M4/02

Abstract: A battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a solid electrolyte. The positive electrode active material contains a compound which has a crystal structure belonging to the space group FM3-M and which is represented by the following formula: LixMeyOαFβ  (1) where Me is one or more 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 conditions 1.7≤x≤2.2, 0.8≤y≤1.3, 1≤α≤2.5, and 0.5≤β≤2 are satisfied.

公开(公告)号：US10230104B2

公开(公告)日：2019-03-12

申请号：US15160016

申请日：2016-05-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/505 ,  C01G45/12 ,  H01M4/525 ,  H01M4/04 ,  H01M10/052

Abstract: A cathode active material contains a compound represented by composition formula (1): LixNay{LiαNaβMn(1−α−β−z)Az}O2. In the formula, A represents at least one selected from the group consisting of Co, Ni, Fe, and Al, and the following conditions are met: 0.75≤x≤1.0, 0