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：US10153512B2

公开(公告)日：2018-12-11

申请号：US15157486

申请日：2016-05-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Nakatsutsumi ,  Mayumi Maenishi ,  Nobuhiko Hojo

IPC: H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0564 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0567

Abstract: An electrolyte solution contains a non-aqueous solvent and an alkali metal salt dissolved in the non-aqueous solvent. The non-aqueous solvent contains a linear carboxylate represented by the following formula: where R1 and R2 independently represent an aromatic group, an unsaturated aliphatic group, or a saturated aliphatic group. A battery includes the electrolyte solution, a positive electrode containing a positive electrode active material that has a property of occluding and releasing an alkali metal ion, and a negative electrode containing an alkali metal or a negative electrode active material that has a property of occluding and releasing the alkali metal ion.

公开(公告)号：US20240154167A1

公开(公告)日：2024-05-09

申请号：US18278710

申请日：2022-02-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Nakatsutsumi ,  Masaki Deguchi

IPC: H01M10/0567 ,  H01M4/131 ,  H01M4/134 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/134 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M2300/0034 ,  H01M2300/0042

Abstract: A non-aqueous secondary battery including a positive electrode including a lithium-transition metal composite oxide containing at least nickel as a transition metal, a negative electrode including a silicon-containing material, a separator interposed between the positive electrode and the negative electrode, and a liquid electrolyte. The liquid electrolyte contains a sultone compound and a nitrile compound, and 1≤A/B≤10 is satisfied, where a concentration of the sultone compound in the liquid electrolyte is A mass %, and a concentration of the nitrile compound in the liquid electrolyte is B mass %.

公开(公告)号：US20230369610A1

公开(公告)日：2023-11-16

申请号：US18246781

申请日：2021-04-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kohei Saito ,  Takayuki Nakatsutsumi ,  Masanobu Takeuchi

IPC: H01M6/14 ,  H01M4/505 ,  H01M4/06 ,  H01M4/66 ,  H01M4/134 ,  H01M4/70

CPC classification number: H01M6/14 ,  H01M4/505 ,  H01M4/06 ,  H01M4/66 ,  H01M4/134 ,  H01M4/70 ,  H01M2300/0017

Abstract: A lithium primary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode contains a positive electrode material mixture that contains LixMnO2 (0≤x≤0.05). The negative electrode contains at least one of metal lithium and a lithium alloy. The non-aqueous electrolyte contains at least one of a cyclic imide component and a parole component as a first component and an oxalate phosphate complex component as a second component. The concentration of the first component in the non-aqueous electrolyte is 1 mass % or less. The concentration of the second component in the non-aqueous electrolyte is 6 mass % or less. The mass ratio of the first component relative to the second component in the non-aqueous electrolyte is 0.02 or more and 10 or less.

公开(公告)号：US11799067B2

公开(公告)日：2023-10-24

申请号：US17022921

申请日：2020-09-16

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

CPC classification number: H01M4/1315 ,  C01G45/00 ,  C01G45/006 ,  C01G51/00 ,  C01G51/006 ,  C01G53/00 ,  C01G53/006 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2006/40 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/0037

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：US11721800B2

公开(公告)日：2023-08-08

申请号：US17031171

申请日：2020-09-24

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Takayuki Nakatsutsumi ,  Ryuichi Natsui ,  Nobuhiko Hojo

IPC: H01M4/1315 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/505 ,  C01G45/00 ,  C01G53/00 ,  C01G51/00 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0567 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/1315 ,  C01G45/006 ,  C01G51/006 ,  C01G53/006 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  C01P2002/50 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2006/40 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/0028

Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including a lithium hexafluorophosphate and 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. The additive is at least one selected from the group consisting of difluorophosphates, tetrafluoroborates, bis(oxalate)borate salts, bis(trifluoromethanesulfonyl)imide salts, and bis(fluorosulfonyl)imide salts.

公开(公告)号：US11710816B2

公开(公告)日：2023-07-25

申请号：US17020530

申请日：2020-09-14

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

CPC classification number: H01M4/1315 ,  C01G45/006 ,  C01G51/006 ,  C01G53/006 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  C01P2002/54 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/485 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/004 ,  H01M2300/0034

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：US20220149375A1

公开(公告)日：2022-05-12

申请号：US17438555

申请日：2019-12-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yasufumi Takahashi ,  Takayuki Nakatsutsumi ,  Atsushi Fukui

IPC: H01M4/62 ,  H01M6/06 ,  H01M4/06

Abstract: An alkaline dry battery including: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte retained in the positive electrode, the negative electrode, and the separator. The negative electrode includes a negative electrode active material containing zinc, and an additive. The additive includes a sulfur-containing cyclic compound.

公开(公告)号：US09929431B2

公开(公告)日：2018-03-27

申请号：US15158594

申请日：2016-05-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Nakatsutsumi ,  Mayumi Maenishi ,  Nobuhiko Hojo

IPC: H01M10/05 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/485 ,  H01M10/04

CPC classification number: H01M10/0525 ,  H01M4/485 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0037

Abstract: An electrolyte solution contains a non-aqueous solvent and an alkali metal salt dissolved in the non-aqueous solvent. The non-aqueous solvent contains cyclopropanecarbonitrile. A battery includes an electrolyte solution which contains a non-aqueous solvent containing cyclopropanecarbonitrile and an alkali metal salt dissolved in the non-aqueous solvent, a positive electrode containing a positive electrode active material that has a property of occluding and releasing an alkali metal ion, and a negative electrode containing an alkali metal or a negative electrode active material that has a property of occluding and releasing the alkali metal ion.

公开(公告)号：US20240063436A1

公开(公告)日：2024-02-22

申请号：US18278708

申请日：2022-02-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Nakatsutsumi ,  Masaki Deguchi

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/38 ,  H01M4/131 ,  H01M4/134 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M4/386 ,  H01M4/131 ,  H01M4/134 ,  H01M10/0525

Abstract: A non-aqueous secondary battery including a positive electrode including a lithium-transition metal composite oxide containing at least nickel as a transition metal, a negative electrode including a silicon-containing material, a separator interposed between the positive electrode and the negative electrode, and a liquid electrolyte. The liquid electrolyte contains a sultone compound and an isocyanate compound, and 1≤A/B≤10 is satisfied, where a concentration of the sultone compound in the liquid electrolyte is A mass %, and a concentration of the isocyanate compound in the liquid electrolyte is B mass %.