US 12,261,267 B2
Battery
Kazuyoshi Honda, Osaka (JP); Akio Kaneyama, Osaka (JP); Kazuhiro Morioka, Osaka (JP); and Akira Kawase, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Jun. 3, 2021, as Appl. No. 17/337,496.
Application 17/337,496 is a continuation of application No. PCT/JP2019/030686, filed on Aug. 5, 2019.
Claims priority of application No. 2018-246099 (JP), filed on Dec. 27, 2018.
Prior Publication US 2021/0288348 A1, Sep. 16, 2021
Int. Cl. H01M 10/0562 (2010.01); H01M 4/131 (2010.01); H01M 4/66 (2006.01); H01M 10/0565 (2010.01); H01M 10/0585 (2010.01); H01M 50/184 (2021.01); H01M 50/186 (2021.01); H01M 50/191 (2021.01); H01M 50/193 (2021.01); H01M 50/195 (2021.01)
CPC H01M 10/0562 (2013.01) [H01M 4/131 (2013.01); H01M 4/66 (2013.01); H01M 10/0565 (2013.01); H01M 10/0585 (2013.01); H01M 50/184 (2021.01); H01M 50/186 (2021.01); H01M 50/191 (2021.01); H01M 50/193 (2021.01); H01M 50/195 (2021.01); H01M 2300/0065 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A battery comprising:
a positive electrode current collector;
a positive electrode active material layer disposed in contact with the positive electrode current collector;
a solid electrolyte layer covering a stacking surface and a side surface of the positive electrode active material layer;
a negative electrode active material layer disposed in contact with the solid electrolyte layer;
a negative electrode current collector disposed in contact with the negative electrode active material layer; and
a sealing member, wherein:
a side surface of the negative electrode active material is not covered by the solid electrolyte layer and is in contact with the sealing member,
in plan view, an area of the negative electrode active material layer is larger than an area of the solid electrolyte layer,
in plan view, each of an area of the positive electrode current collector and an area of the negative electrode current collector is larger than the area of the negative electrode active material layer,
in plan view, the sealing member is located outside the solid electrolyte layer,
in cross-sectional view perpendicular to a laminating direction, the sealing member is disposed in a region sandwiched between a part of the positive electrode current collector and a part of the negative electrode active material layer in the laminating direction and a region sandwiched between another part of the positive electrode current collector and a part of the negative electrode current collector in the laminating direction,
the solid electrolyte layer includes:
a first solid electrolyte layer located on the negative electrode active material layer side; and
a second solid electrolyte layer located on the positive electrode active material layer side, and
the sealing member has a shape protruding between the first solid electrolyte layer and the second solid electrolyte layer.