US 12,451,516 B2
Buffered negative electrode-electrolyte assembly, battery, and method of manufacture thereof
Andrea Maurano, Boston, MA (US); Srinath Chakravarthy, Glastonbury, CT (US); Ju Li, Weston, MA (US); Ziqiang Wang, Cambridge, MA (US); Yuming Chen, Fuzhou (CN); Kai Pei, Xincheng District (CN); and Jennifer Lilia Marguerite Rupp, Cambridge, MA (US)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR); and MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR); and Massachusetts Institute of Technology, Cambridge, MA (US)
Filed on Apr. 21, 2023, as Appl. No. 18/305,008.
Application 18/305,008 is a continuation of application No. 17/144,687, filed on Jan. 8, 2021, granted, now 11,664,529.
Claims priority of provisional application 63/065,353, filed on Aug. 13, 2020.
Prior Publication US 2023/0253616 A1, Aug. 10, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/0562 (2010.01); H01M 4/02 (2006.01); H01M 4/131 (2010.01); H01M 4/136 (2010.01); H01M 4/58 (2010.01); H01M 10/058 (2010.01)
CPC H01M 10/0562 (2013.01) [H01M 4/131 (2013.01); H01M 4/136 (2013.01); H01M 4/58 (2013.01); H01M 10/058 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A buffered negative electrode-electrolyte assembly comprising:
a porous negative electrode;
a solid-state electrolyte; and
a buffer layer between the porous negative electrode and the solid-state electrolyte,
wherein the buffer composition has an electronic conductivity that is less than or equal to 1×10−2 times an electronic conductivity of the solid-state electrolyte, and
the buffer composition has an ionic conductivity less than or equal to 1×10−6 times an ionic conductivity of the solid-state electrolyte.