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Actuation method of molten carbonate fuel cell

Patent:

Abstract

A molten carbonate fuel cell uses reformed gas of crude fuel as fuel gas, but in this gas, CO/sub 2/ is contained in addition to H/sub 2/ and CO which participate the reaction in its fuel electrode. In order to make the reaction of the cell by these gases smoothly, CO/sub 2/ in the exhaust gas from the fuel electrode must be introduced efficiently to its oxygen electrode, however since unreacted H/sub 2/ and CO are contained in the above exhaust gas, they are oxidated and burned once in a boiler and transformed into H/sub 2/O (steam) and CO/sub 2/, then CO/sub 2/ generated in the fuel electrode is added thereto, and afterwards these gases with the air are introduced into the oxygen electrode. However, since this method hinders the high power generation efficiency, in this invention, the exhaust gas from the fuel electrode which burns the reformed gas is introduced into separation chambers separated with CO/sub 2/ permselective membranes, and the mixture of CO/sub 2/ in the above exhaust gas separated with the aforementioned permeable membranes and the air is supplied to the oxygen electrode. At the same time, H/sub 2/ and CO in the above exhaust gas which  More>>
Publication Date:
Oct 17, 1987
Product Type:
Patent
Report Number:
JP 62-237673
Reference Number:
NEDO-87-960195; EDB-88-113532
Resource Relation:
Patent File Date: Filed date 8 Apr 1986
Subject:
30 DIRECT ENERGY CONVERSION; CARBON DIOXIDE; RECYCLING; CARBON MONOXIDE; EXHAUST GASES; MEMBRANE TRANSPORT; HYDROGEN; MOLTEN CARBONATE FUEL CELLS; OPERATION; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; DIRECT ENERGY CONVERTERS; ELECTROCHEMICAL CELLS; ELEMENTS; FLUIDS; FUEL CELLS; GASEOUS WASTES; GASES; HIGH-TEMPERATURE FUEL CELLS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; WASTES; 300500* - Fuel Cells
OSTI ID:
5008418
Country of Origin:
Japan
Language:
Japanese
Submitting Site:
NEDO
Size:
Pages: 3
Announcement Date:

Patent:

Citation Formats

Ito, Yasuhiko, Kimoto, Mamoru, Murakami, Shuzo, and Furukawa, Nobuhiro. Actuation method of molten carbonate fuel cell. Japan: N. p., 1987. Web.
Ito, Yasuhiko, Kimoto, Mamoru, Murakami, Shuzo, & Furukawa, Nobuhiro. Actuation method of molten carbonate fuel cell. Japan.
Ito, Yasuhiko, Kimoto, Mamoru, Murakami, Shuzo, and Furukawa, Nobuhiro. 1987. "Actuation method of molten carbonate fuel cell." Japan.
@misc{etde_5008418,
title = {Actuation method of molten carbonate fuel cell}
author = {Ito, Yasuhiko, Kimoto, Mamoru, Murakami, Shuzo, and Furukawa, Nobuhiro}
abstractNote = {A molten carbonate fuel cell uses reformed gas of crude fuel as fuel gas, but in this gas, CO/sub 2/ is contained in addition to H/sub 2/ and CO which participate the reaction in its fuel electrode. In order to make the reaction of the cell by these gases smoothly, CO/sub 2/ in the exhaust gas from the fuel electrode must be introduced efficiently to its oxygen electrode, however since unreacted H/sub 2/ and CO are contained in the above exhaust gas, they are oxidated and burned once in a boiler and transformed into H/sub 2/O (steam) and CO/sub 2/, then CO/sub 2/ generated in the fuel electrode is added thereto, and afterwards these gases with the air are introduced into the oxygen electrode. However, since this method hinders the high power generation efficiency, in this invention, the exhaust gas from the fuel electrode which burns the reformed gas is introduced into separation chambers separated with CO/sub 2/ permselective membranes, and the mixture of CO/sub 2/ in the above exhaust gas separated with the aforementioned permeable membranes and the air is supplied to the oxygen electrode. At the same time, H/sub 2/ and CO in the above exhaust gas which were not separated with the above permeable membranes are recirculated to the above fuel electrode. (3 figs)}
place = {Japan}
year = {1987}
month = {Oct}
}