US 11,682,769 B2
Electrochemical device and method of preparing the same
Hojung Yang, Suwon-si (KR); Kyounghwan Kim, Seoul (KR); Hwiyeol Park, Ansan-si (KR); Jin S. Heo, Hwaseong-si (KR); Sungjin Lim, Suwon-si (KR); and Huisu Jeong, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 27, 2020, as Appl. No. 17/80,924.
Application 17/080,924 is a continuation of application No. 15/804,045, filed on Nov. 6, 2017, granted, now 10,847,806.
Claims priority of application No. 10-2016-0147630 (KR), filed on Nov. 7, 2016; and application No. 10-2017-0005229 (KR), filed on Jan. 12, 2017.
Prior Publication US 2021/0043944 A1, Feb. 11, 2021
Int. Cl. H01M 4/78 (2006.01); H01M 10/04 (2006.01); H01M 10/052 (2010.01); H01M 10/058 (2010.01); H01M 4/04 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/78 (2013.01) [H01M 4/0445 (2013.01); H01M 4/661 (2013.01); H01M 10/0445 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 2220/30 (2013.01)] 31 Claims
OG exemplary drawing
 
1. An electrochemical device comprising:
a positive electrode current collector;
a first protruding portion comprising a plurality of positive electrodes in electrical contact with the positive electrode current collector, and a first dented portion disposed between each positive electrode of the plurality of positive electrodes;
an electrolyte layer comprising a second protruding portion and a second dented portion respectively disposed on the first protruding portion comprising the plurality of positive electrodes and the first dented portion disposed between each positive electrode of the plurality of positive electrodes;
a negative electrode comprising a fourth protruding portion and a fourth dented portion respectively disposed on the second protruding portion and the second dented portion of the electrolyte layer; and
a negative electrode current collector layer comprising a third protruding portion and a third dented portion respectively disposed on the second protruding portion and the second dented portion of the electrolyte layer,
wherein the negative electrode current collector layer is on the negative electrode and opposite the electrolyte layer,
wherein the fourth protruding portion is electrically connected to the fourth dented portion of the negative electrode.