US 12,278,399 B2
Solid-state battery
Yukio Miyaki, Nagaokakyo (JP); and Makoto Yoshioka, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Nagaokakyo (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Apr. 8, 2022, as Appl. No. 17/716,235.
Application 17/716,235 is a continuation of application No. PCT/JP2020/035565, filed on Sep. 18, 2020.
Claims priority of application No. 2019-187901 (JP), filed on Oct. 11, 2019.
Prior Publication US 2022/0231389 A1, Jul. 21, 2022
Int. Cl. H01M 50/562 (2021.01); H01M 10/0525 (2010.01); H01M 10/054 (2010.01); H01M 50/545 (2021.01); H01M 50/548 (2021.01)
CPC H01M 50/562 (2021.01) [H01M 10/0525 (2013.01); H01M 10/054 (2013.01); H01M 50/545 (2021.01); H01M 50/548 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A solid-state battery comprising:
a solid battery laminate including a battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte interposed at least between the positive electrode layer and the negative electrode layer;
a positive-electrode-side external electrode electrically connected to the positive electrode layer, the positive-electrode-side external electrode including at least one element selected from the group consisting of Cu, Ag, Ni, Ti, Cr, Pt, and Pd; and
a negative-electrode-side external electrode electrically connected to the negative electrode layer,
wherein the positive-electrode-side external electrode includes the at least one element, or a compound thereof, in an amount of 30% by volume to 99% by volume based on a total volume of the positive-electrode-side external electrode.