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.

Date of Patent:
Jan. 20, 2026

Filed:

Apr. 17, 2020
Applicant:

Renata Ag, Itingen, CH;

Inventors:

Xiaojun Wang, Zunzgen, CH;

Remo Frey, Titterten, CH;

Pascal Haering, Muttenz, CH;

Assignee:

Renata AG, Itingen, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 10/0585 (2010.01); H01M 50/109 (2021.01); H01M 50/50 (2021.01); H01M 50/536 (2021.01); H01M 50/54 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0427 (2013.01); H01M 10/0585 (2013.01); H01M 50/109 (2021.01); H01M 50/50 (2021.01); H01M 50/536 (2021.01); H01M 50/54 (2021.01); H01M 2220/30 (2013.01);
Abstract

A cell includes a case designed to form a housing, an assembly of stacked electrodes placed inside the housing and including one or more units each having a positive electrode, a negative electrode, a separator between the positive and negative electrodes and an electrolyte. The assembly is held together, and at least each negative electrode of the one or more units includes one or more notches, vertically aligned along the height of the assembly so to design a substantially flat contact surface.


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