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Title: Fuel cell collector plates with improved mass transfer channels

Abstract

A fuel cell collector plate can be provided with one or more various channel constructions for the transport of reactants to the gas diffusion layer and the removal of water therefrom. The outlet channel can be arranged to have a reduced volume compared to the inlet channel, in both interdigitated and discontinuous spiral applications. The land width between an inlet channel and outlet channel can be reduced to improved mass flow rate in regions of deleted reactant concentrations. Additionally or alternatively, the depth of the inlet channel can be reduced in the direction of flow to reduce the diffusion path as the concentration of reactant is reduced.

Inventors:
 [1];  [2];  [2]
  1. Miami, FL
  2. Palm Beach Gardens, FL
Issue Date:
Research Org.:
Energy Partners
Sponsoring Org.:
USDOE
OSTI Identifier:
921318
Patent Number(s):
6551736
Application Number:
09/702,126
Assignee:
Teledyne Energy Systems, Inc. (Hunt Valley, MD)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
DOE Contract Number:  
FC02-97EE50476
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Gurau, Vladimir, Barbir, Frano, and Neutzler, Jay K. Fuel cell collector plates with improved mass transfer channels. United States: N. p., 2003. Web.
Gurau, Vladimir, Barbir, Frano, & Neutzler, Jay K. Fuel cell collector plates with improved mass transfer channels. United States.
Gurau, Vladimir, Barbir, Frano, and Neutzler, Jay K. Tue . "Fuel cell collector plates with improved mass transfer channels". United States. https://www.osti.gov/servlets/purl/921318.
@article{osti_921318,
title = {Fuel cell collector plates with improved mass transfer channels},
author = {Gurau, Vladimir and Barbir, Frano and Neutzler, Jay K},
abstractNote = {A fuel cell collector plate can be provided with one or more various channel constructions for the transport of reactants to the gas diffusion layer and the removal of water therefrom. The outlet channel can be arranged to have a reduced volume compared to the inlet channel, in both interdigitated and discontinuous spiral applications. The land width between an inlet channel and outlet channel can be reduced to improved mass flow rate in regions of deleted reactant concentrations. Additionally or alternatively, the depth of the inlet channel can be reduced in the direction of flow to reduce the diffusion path as the concentration of reactant is reduced.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 22 00:00:00 EDT 2003},
month = {Tue Apr 22 00:00:00 EDT 2003}
}