The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2025
Filed:
Apr. 21, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Massachusetts Institute of Technology, Cambridge, MA (US);
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;
Jennifer Lilia Marguerite Rupp, Cambridge, MA (US);
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US);
Abstract
A buffered negative electrode-electrolyte assembly includes: a porous negative electrode comprising a metal, a transition metal nitride, or a combination thereof; a solid-state electrolyte; and a buffer layer between the porous negative electrode and the solid-state electrolyte. The buffer layer comprising a buffer composition according to Formula (1) MNZHX. The buffer composition has an electronic conductivity that is less than or equal to 1×10times an electronic conductivity of the solid-state electrolyte, and the buffer composition has an ionic conductivity less than or equal to 1×10times an ionic conductivity of the solid-state electrolyte.
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