公开(公告)号：US20230082835A1

公开(公告)日：2023-03-16

申请号：US17800359

申请日：2021-01-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Youshin Lee ,  Ryuichi Natsui ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/505

Abstract: This positive-electrode active material for a non-aqueous electrolyte secondary battery contains a lithium and transition metal composite oxide represented by the composition formula: LixMnyNizSraMbO2-cFc (where, M is at least two elements selected from Ti, Co, Si, Al, Nb, W, Mo, P, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K, and Bi; 1.0

公开(公告)号：US11201319B2

公开(公告)日：2021-12-14

申请号：US16034424

申请日：2018-07-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Ishikawa ,  Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/1315 ,  H01M4/13915 ,  H01M4/36 ,  H01M4/505 ,  H01M4/62 ,  H01M4/525 ,  H01M4/485 ,  C01G45/12 ,  C01G53/00 ,  H01M4/02 ,  H01M10/0525

Abstract: A positive electrode active material contains a lithium composite oxide and a covering material. The lithium composite oxide has a crystal structure that belongs to space group Fd-3m. The ration I(111)/I(400) of a first integrated intensity I(111) of a first peak corresponding to a (111) plane to a second integrated intensity I(400) of a second peak corresponding to a (400) plane in an XRD pattern of the lithium composite oxide satisfies 0.05≤I(111)/I(400)≤0.90. The covering material has an electron conductivity of 106 S/m or less.

公开(公告)号：US10833317B2

公开(公告)日：2020-11-10

申请号：US15821745

申请日：2017-11-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/1315 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0566 ,  H01M4/36 ,  H01M4/505 ,  C01G45/00 ,  C01G51/00 ,  C01G53/00 ,  H01M4/58 ,  H01M4/485 ,  H01M4/48 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

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, LixMeyOαFβ  (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≤α≤2.5 0.5≤β≤2

公开(公告)号：US10833316B2

公开(公告)日：2020-11-10

申请号：US15813218

申请日：2017-11-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hirotetsu Suzuki ,  Ryuichi Natsui ,  Nobuhiko Hojo

IPC: H01M4/1315 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0567 ,  H01M4/525 ,  H01M4/485 ,  C01G45/00 ,  H01M10/0525 ,  C01G51/00 ,  C01G53/00 ,  H01M10/0566 ,  H01M4/58 ,  H01M10/0569 ,  H01M4/02

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: LixMeyOαFβ. (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, α, and β satisfy the following conditions: 1.7≤x≤2.2, 0.8≤y≤1.3, 1≤α≤2.5, and 0.5≤β≤2, respectively. The nonaqueous solvent includes at least one solvent selected from hydrofluoroethers, phosphazenes, phosphates, and perfluoropolyethers.

公开(公告)号：US10818911B2

公开(公告)日：2020-10-27

申请号：US15813212

申请日：2017-11-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/1315 ,  H01M4/505 ,  H01M10/052 ,  C01G51/00 ,  C01G45/00 ,  H01M4/36 ,  C01G53/00 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/62 ,  H01M4/02

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, LixMeyOαFβ  (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≤α≤2.5 0.5≤β≤2

公开(公告)号：US10818910B2

公开(公告)日：2020-10-27

申请号：US15811685

申请日：2017-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0566 ,  C01G51/00 ,  C01G45/00 ,  C01G53/00 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/02

Abstract: A positive-electrode active material containing a compound that has a crystal structure belonging to the space group FM-3M and is represented by the composition formula (1): LixMeyOαFβ  (1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied.1.3≤x≤2.20.8≤y≤1.31≤α≤2.930.07≤β≤2

公开(公告)号：US10811672B2

公开(公告)日：2020-10-20

申请号：US15813204

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 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052 ,  C01G45/00 ,  C01G51/00 ,  C01G53/00 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/02

Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including an additive. 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 additive is at least one selected from dinitrile compounds and diisocyanate compounds.

公开(公告)号：US10811671B2

公开(公告)日：2020-10-20

申请号：US15811684

申请日：2017-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/1315 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  C01G45/00 ,  C01G51/00 ,  H01M10/0566 ,  H01M10/052 ,  H01M10/0525 ,  H01M4/02

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): LixAyMezOαFβ  (1) wherein A denotes Na or K, 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+y≤2.2 0≤y≤0.2 0.8≤z≤1.3 1≤α≤2.5 0.5≤β≤2

公开(公告)号：US10586981B2

公开(公告)日：2020-03-10

申请号：US15647265

申请日：2017-07-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Issei Ikeuchi ,  Ryuichi Natsui ,  Kensuke Nakura

IPC: H01M4/485 ,  H01M4/58 ,  H01M4/525 ,  H01M4/38 ,  C01G45/12 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/052 ,  H01M4/02

Abstract: A positive electrode active material for a battery, the positive electrode active material comprising a compound having a crystal structure of space group Fm-3m and represented by composition formula (1): LixMe1αMe2βO2 . . . (1). In the formula, Me1 represents one or more elements selected from the group consisting of Mn, Ni, Co, Fe, Al, Sn, Cu, Nb, Mo, Bi, Ti, V, Cr, Y, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ag, Ru, Ta, W, La, Ce, Pr, Sm, Eu, Dy, and Er, Me2 represents one or more elements selected from the group consisting of B, Si, and P, and the following conditions are met: 0

公开(公告)号：US20240304803A1

公开(公告)日：2024-09-12

申请号：US18275333

申请日：2022-02-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shogo Esaki ,  Ryuichi Natsui ,  Junko Matsushita ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/505 ,  C01G53/00 ,  H01M4/02

CPC classification number: H01M4/505 ,  C01G53/50 ,  C01P2002/52 ,  C01P2006/40 ,  H01M2004/028

Abstract: The positive electrode active material for non-aqueous electrolyte secondary batteries which is an example of one embodiment includes a lithium-transition metal composite oxide represented by the compositional formula LixMnyNizSiaMfO2-αFα (in the formula, M is at least one element selected from Na, K, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ge, Sn, Pb, Sc, Ti, V, Cr, Fe, Co, Cu, Zn, Ru, Rh, Re, Pd, Ir, Ag, Bi, Sb, B, Al, Ga, In, P, Zr, Hf, Nb, Mo, and W, x+y+z+a+f≤2+A, 1.0