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Modular unit fuel cell assembly

a fuel cell and modular technology, applied in the direction of cell components, cell component details, electrochemical generators, etc., can solve the problems of poor electrical conduction and lower cell performan

Inactive Publication Date: 2017-07-27
ALTERGY SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The modular design enhances electrical conduction, reduces gas and liquid leakage, and improves the overall performance of fuel cell stacks by ensuring better sealing and contact between components, leading to increased efficiency and reliability.

Problems solved by technology

Such analysis has revealed evidence of incomplete electrical contact between BSPs 12 and MEAs 14, resulting in poor electrical conduction and lower cell performance.

Method used

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Examples

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Embodiment Construction

[0030]Referring more specifically to the drawings, for illustrative purposes the present invention is embodied in the apparatus generally shown in FIG. 1 through FIG. 10. It will be appreciated that the apparatus may vary as to configuration and as to details of the parts, and that the method may vary as to the specific steps and sequence, without departing from the basic concepts as disclosed herein.

[0031]FIGS. 7 and 8 show the preferred embodiment of the modular unit fuel cell 45 of the invention. The exploded view of FIG. 7 is shown for clarity. The modular unit fuel cell 45 is comprised of: a membrane electrode assembly (MEA) 62 having an anode side that is juxtaposed and in electrical contact with an anode current collector / porous transport layer (PTL) 70, which is juxtaposed and in electrical contact with a bipolar separator plate (BSP) 50, which is juxtaposed and in electrical contact with a corrugated or finned spring cooling and transport structure (CTS) 85, which is juxtap...

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Abstract

A modular unit fuel cell is disclosed, which comprises a membrane electrode assembly (MEA), an anode current collector / porous transport layer (PTL), a bipolar separator plate (BSP), a corrugated or finned spring cooling and transport structure, a cathode current collector / PTL and an anode frame. In this embodiment, air is passed through the finned spring cooling and transport structure and the air acts as both the cathode reactant and as a coolant.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 11 / 966,887 filed on Dec. 28, 2007, incorporated herein by reference in its entirety.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not ApplicableINCORPORATION-BY-REFERENCE OF COMPUTER PROGRAM APPENDIX[0003]Not ApplicableNOTICE OF MATERIAL SUBJECT TO COPYRIGHT PROTECTION[0004]A portion of the material in this patent document is subject to copyright protection under the copyright laws of the United States and of other countries. The owner of the copyright rights has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the United States Patent and Trademark Office publicly available file or records, but otherwise reserves all copyright rights whatsoever. The copyright owner does not hereby waive any of its rights to have this patent document maintained in secrecy, including without lim...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01M8/1004H01M8/248H01M8/04007H01M8/241H01M8/1007H01M2/14H01M8/2457
CPCH01M8/1004H01M2/14H01M8/248H01M8/04074H01M8/241H01M8/1007H01M8/2457H01M4/8605H01M8/0267H01M8/247H01M2008/1095H01M8/0258Y02E60/50Y02E60/10
Inventor DEVRIES, PETER DAVID
Owner ALTERGY SYST
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