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:
Nov. 17, 2020

Filed:

Apr. 20, 2017
Applicant:

Fuelcell Energy, Inc., Danbury, CT (US);

Inventors:

Ramakrishnan Venkataraman, Danbury, CT (US);

Mohammad Farooque, Marlboro, NJ (US);

Assignee:

FUELCELL ENERGY, INC., Danbury, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2016.01); H01M 8/0668 (2016.01); H01M 8/04701 (2016.01); H01M 8/04007 (2016.01); H01M 8/04089 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0668 (2013.01); H01M 8/04007 (2013.01); H01M 8/04097 (2013.01); H01M 8/04716 (2013.01);
Abstract

A high efficiency fuel cell system includes a topping fuel cell assembly including a topping cathode portion and a topping anode portion; a carbon dioxide separation unit that receives at least a portion of an anode exhaust stream output from the topping anode portion and separates the portion of the anode exhaust stream into a carbon dioxide stream and a carbon dioxide depleted stream; and a bottoming fuel cell assembly including a bottoming cathode portion and a bottoming anode portion. The bottoming anode portion receives the carbon dioxide depleted stream output from the carbon dioxide separation unit. The carbon dioxide depleted stream being richer in hydrogen than the portion of the anode exhaust stream output from the topping anode portion.


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