公开(公告)号：US20180062119A1

公开(公告)日：2018-03-01

申请号：US15559857

申请日：2016-12-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOHIRO YAGISHITA ,  TADAYOSHI TAKAHASHI

IPC: H01M2/02 ,  H01M2/08

CPC classification number: H01M2/0222 ,  H01M2/0257 ,  H01M2/026 ,  H01M2/0292 ,  H01M2/0413 ,  H01M2/08

Abstract: A coin type battery includes: a battery case having a bottom plate and a side portion rising from a rim of the bottom plate; a sealing plate having a top plate and a rim portion extending from the top plate to the inside of the side portion; a gasket compressed and interposed between the side portion and the rim portion; and a power generation element sealed by the battery case and the sealing plate. At least one of the battery case and the sealing plate includes a plated layer disposed on the outer surface side, and a substrate layer disposed on the inner surface side of the plated layer. The plated layer includes at least two metals selected from a set consisting of nickel, zinc, and tin.

公开(公告)号：US20240297291A1

公开(公告)日：2024-09-05

申请号：US18572848

申请日：2022-05-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOHIRO YAGISHITA

IPC: H01M4/13 ,  H01M4/02 ,  H01M4/50 ,  H01M4/62 ,  H01M6/14

CPC classification number: H01M4/13 ,  H01M4/502 ,  H01M4/623 ,  H01M4/625 ,  H01M6/14 ,  H01M2004/028 ,  H01M2300/0017

Abstract: A flat lithium primary battery includes a case, a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode includes a positive electrode pellet containing positive electrode active material, conductive agent, and binder. The positive electrode pellet has a circular columnar shape having a side circumferential surface extending in a circumferential direction surrounding a center axis extending in a center axis direction. The conductive agent contains graphite. The positive electrode pellet is divided into first and second portions. The first portion includes at least a part of the side circumferential surface of the circular columnar shape. The first portion includes an annular portion surrounding at least a part of the second portion. A content of the graphite in the second portion of the positive electrode pellet is higher than in the first portion of the positive electrode pellet.

公开(公告)号：US20190074519A1

公开(公告)日：2019-03-07

申请号：US15767194

申请日：2016-10-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOHIRO YAGISHITA ,  TADAYOSHI TAKAHASHI ,  MASAO OOTSUKA ,  KYOUSUKE OKAZAKI

IPC: H01M4/66 ,  H01M2/02 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2/08 ,  H01M10/052

Abstract: A nonaqueous electrolyte battery includes a power generation element and a case for accommodating the power generation element. The power generation element includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. At least one selected from a group consisting of the positive electrode, the negative electrode, and the case includes stainless steel containing Sn.

公开(公告)号：US20180358650A1

公开(公告)日：2018-12-13

申请号：US15768009

申请日：2016-10-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TADAYOSHI TAKAHASHI ,  TOMOHIRO YAGISHITA ,  TOSHIE WATA

IPC: H01M10/0525 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/48 ,  H01M4/38 ,  H01M4/62

CPC classification number: H01M10/0525 ,  H01M4/134 ,  H01M4/386 ,  H01M4/483 ,  H01M4/625 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/004 ,  Y02E60/122

Abstract: A nonaqueous electrolyte battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and negative electrode, and a nonaqueous electrolyte. The positive electrode includes vanadium pentoxide, a first carbon black, and a first binder. The negative electrode includes a silicon-containing material, graphite, a second carbon black, and a second binder. When the battery voltage is 0 V, the potential of each of the positive electrode and negative electrode is 2.5 to 3.5 V versus metal lithium.

公开(公告)号：US20180138467A1

公开(公告)日：2018-05-17

申请号：US15540258

申请日：2016-12-19

Applicant: Panasonic Intellectual Property Management Co. Ltd.

Inventor： TADAYOSHI TAKAHASHI ,  TOMOHIRO YAGISHITA

IPC: H01M2/02 ,  H01M2/08 ,  H01M10/0525 ,  H01M10/04 ,  H01M6/16

CPC classification number: H01M2/0287 ,  H01M2/0222 ,  H01M2/026 ,  H01M2/0285 ,  H01M2/0413 ,  H01M2/08 ,  H01M6/162 ,  H01M10/0427 ,  H01M10/0525 ,  H01M2200/00 ,  H01M2220/30

Abstract: A coin type battery includes a battery case, a sealing plate, and a power generation element sealed by the battery case and the sealing plate. At least one of the battery case and the sealing plate is made of a cladding material that includes: a surface layer disposed on the outer surface side; an intermediate layer disposed on the inner surface side of the surface layer; and a substrate layer disposed on the inner surface side of the intermediate layer. The surface layer is made of nickel, and the intermediate layer contains titanium.