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Title: Dual porosity gas evolving electrode

A dual porosity electrode is described for use in thermoelectrochemical systems where simultaneous transport of gas and liquid into and/or out of the electrode is required. The electrode includes catalytic electrode particles having diameters ranging from about 25 to 100 angstroms. The catalytic electrode particles are anchored to a support network in clusters which have internal pores ranging in size from 25 to 100 angstroms. The pores between the clusters range in size from between about 1 to 20 microns. A method for making the dual porosity electrodes is also disclosed.
Inventors:
Issue Date:
OSTI Identifier:
6829886
Assignee:
Hughes Aircraft Co., Los Angeles, CA (United States) CHO; EDB-94-166331
Patent Number(s):
US 5364712; A
Application Number:
PPN: US 8-173721
Contract Number:
AC02-89CH10405
Resource Relation:
Patent File Date: 23 Dec 1993
Research Org:
Delco Remy
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; ELECTRODES; FABRICATION; PORE STRUCTURE; FUEL CELLS; ELECTROCATALYSTS; PARTICLE SIZE; SOLID CLUSTERS; CATALYSTS; DIRECT ENERGY CONVERTERS; ELECTROCHEMICAL CELLS; MICROSTRUCTURE; SIZE 300503* -- Fuel Cells-- Materials, Components, & Auxiliaries