Producing electrical energy from natural gas using a solid...

Details Producing electrical energy from natural gas using a solid... Producing electrical energy from natural gas using a solid...

H - Electricity

01

M

H01M 8/12 (2006.01) H01M 8/04 (2006.01) H01M 8/06 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2299695

A process of generating electricity from natural gas (1) comprises supplying air (37) to the cathode side (20) of a solid oxide fuel cell (10); converting at the anode side (15) of the fuel cell the natural gas to hydrogen and carbon monoxide and allowing the cathode and anode reactions to take place to produce a potential difference between anode and cathode wherein an anode off-gas is produced which comprises water and carbon dioxide and feeding the anode off-gas from the anode side (15) to a ceramic afterburner (75) in which any unburned carbon monoxide and hydrogen are combusted without addition of nitrogen to the anode off-gas.

Procédé servant à générer de l'électricité à partir de gaz naturel (1) et consistant à alimenter en air (37) le côté cathode (20) d'une pile à combustible oxyde solide (10); à convertir au niveau du côté anode (15) de la pile à combustible le gaz naturel en hydrogène et en oxyde de carbone et à laisser s'effectuer les réactions d'anode et de cathode afin de produire une différence de potentiel entre l'anode et la cathode, ce qui permet d'obtenir à l'anode un dégagement gazeux composé d'eau et de gaz carbonique, puis à introduire ce dégagement gazeux depuis le côté anode (15) dans un dispositif de postcombustion (75) en céramique dans lequel tout oxyde de carbone ou tout hydrogène non brûlés subissent une combustion sans apport d'azote au dégagement gazeux anodique.

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