Solid oxide fuel cell system

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) F28D 9/00 (2006.01) F28F 3/08 (2006.01) F28F 21/04 (2006.01) H01M 8/04 (2006.01) H01M 8/12 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2624713

A SOFC system (1) for generating electric power by combination of oxygen with a fuel gas stream (R ), including a fuel cell (5) having a fuel gas inlet port (5d), an air stream inlet port (5f) and an exhaust gas stream outlet port (5g), and comprising a heat exchanger (3) with a fuel channel (3f), wherein said heat exchanger (3) comprises a first fluid path (3a) with an inlet port (3p) connected to an air supply and an air stream outlet port (31) connected to the air stream inlet port (5f); and wherein said heat exchanger (3) comprises a second fluid path (3c) with an outlet port (3q) and an exhaust gas stream inlet port (3n) connected to the exhaust gas stream outlet port (5g); and wherein said fuel channel (3f) comprises a fuel supply and a fuel gas outlet port (3m) connected to the fuel gas inlet port (5d), and wherein said heat exchanger (3) is a unit separate from the fuel cell (5) and consisting of ceramics, and wherein said heat exchanger (3) comprising a base plate (3k) on which the fuel cell (5) being arranged.

L'invention concerne un système SOFC (1) permettant de produire de l'électricité par combinaison d'oxygène avec un flux de gaz de combustible (R ), comprenant une pile à combustible (5) présentant un orifice d'admission de gaz de combustible (5d), un orifice d'admission de flux d'air (5f) et un orifice d'évacuation de flux de gaz d'échappement (5g) et comprenant un échangeur thermique (3) doté d'un canal de combustible (3f), l'échangeur thermique (3) comprenant un premier chemin de fluide (3a) présentant un orifice d'admission (3p) connecté à une alimentation d'air et un orifice d'évacuation de flux d'air (31) connecté à l'orifice d'admission de flux d'air (5f); et l'échangeur thermique (3) comprenant un second chemin de fluide (3c) doté d'un orifice d'évacuation (3q) et d'un orifice d'admission de flux de gaz d'échappement (3n) connecté à l'orifice d'évacuation de flux de gaz d'échappement (5g); et le canal de combustible (3f) comprenant une alimentation de combustible et un orifice d'évacuation de gaz de combustible (3m) connecté à l'orifice d'admission de gaz de combustible (5d), l'échangeur thermique (3) étant une unité distincte de la pile à combustible (5) et étant conçu dans de la céramique et l'échangeur thermique (3) comprenant une plaque de base (3k) sur laquelle la pile à combustible (5) est disposée.

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