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:
May. 21, 2019

Filed:

Jun. 15, 2015
Applicant:

Siemens Aktiengesellschaft, München, DE;

Inventors:

Alexander Hahn, Röttenbach, DE;

Alexander Spies, Erlangen, DE;

Jochen Straub, Erlangen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/88 (2006.01); C25B 11/03 (2006.01); C25B 9/10 (2006.01); C25B 9/20 (2006.01); C25B 1/10 (2006.01);
U.S. Cl.
CPC ...
C25B 11/035 (2013.01); C25B 1/10 (2013.01); C25B 9/10 (2013.01); C25B 9/203 (2013.01); H01M 4/8807 (2013.01); Y02E 60/366 (2013.01);
Abstract

A gas diffusion layer is arranged between a bipolar plate and an electrode of an electrochemical cell and includes at least two layers which are layered one on top of the other layer. At least one of the two layers is designed as a spring component having a progressive spring characteristic curve.


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