US 12,218,312 B2
All-solid-state secondary battery and method of charging the same
Naoki Suzuki, Yokohama (JP); Nobuyoshi Yashiro, Yokohama (JP); Takanobu Yamada, Yokohama (JP); and Yuichi Aihara, Yokohama (JP)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 10, 2023, as Appl. No. 18/483,856.
Application 18/483,856 is a continuation of application No. 18/163,963, filed on Feb. 3, 2023, granted, now 11,929,463.
Application 18/163,963 is a continuation of application No. 17/208,142, filed on Mar. 22, 2021, granted, now 11,764,407, issued on Sep. 19, 2023.
Application 17/208,142 is a continuation of application No. 16/196,252, filed on Nov. 20, 2018, granted, now 10,985,407, issued on Apr. 20, 2021.
Claims priority of application No. 2017-223661 (JP), filed on Nov. 21, 2017.
Prior Publication US 2024/0047761 A1, Feb. 8, 2024
Int. Cl. H01M 10/44 (2006.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 10/0585 (2010.01); H01M 10/46 (2006.01); H01M 4/02 (2006.01); H01M 10/42 (2006.01)
CPC H01M 10/0585 (2013.01) [H01M 4/133 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 4/587 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 10/44 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2010/4292 (2013.01)] 20 Claims
 
1. An all-solid-state secondary battery comprising:
a cathode comprising a cathode active material layer, the cathode active material layer comprises a cathode active material and a solid electrolyte;
an anode comprising
an anode current collector, and
an anode active material layer on the anode current collector,
wherein the anode active material layer comprises
an anode active material comprising amorphous carbon, and
a binder,
wherein the anode active material layer has a thickness of about 1 micrometer to about 20 micrometers; and
a solid electrolyte layer between the cathode and the anode.