Search International and National Patent Collections

1. (WO2017140745) WATER ELECTROLYSIS SYSTEM (SOEC) OR FUEL CELL (SOFC) OPERATING UNDER PRESSURE IN A TIGHT ENCLOSURE WITH IMPROVED REGULATION

Pub. No.:    WO/2017/140745    International Application No.:    PCT/EP2017/053438
Publication Date: Fri Aug 25 01:59:59 CEST 2017 International Filing Date: Thu Feb 16 00:59:59 CET 2017
IPC: H01M 8/2475
C25B 15/02
C25B 1/04
C25B 1/12
H01M 8/04089
H01M 8/04082
H01M 8/0438
H01M 8/04746
H01M 8/2425
H01M 8/124
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Inventors: PETITJEAN, Marie
CHATROUX, André
Title: WATER ELECTROLYSIS SYSTEM (SOEC) OR FUEL CELL (SOFC) OPERATING UNDER PRESSURE IN A TIGHT ENCLOSURE WITH IMPROVED REGULATION
Abstract:
The invention relates to a novel system for regulating the pressure of a high-temperature electrolysis or co-electrolysis (HTE) reactor or a fuel cell (SOFC) operating under pressure. The operation of the system consists in: regulating the DH wet gas flow upstream of one of the chambers so as to ensure the electrochemical stability of the predetermined operating point; regulating the DO gas flow upstream of the at least one second chamber so as to ensure gas scavenging in the at least one second chamber, and in the enclosure; regulating the flow of second gas circulating in the enclosure, downstream of the enclosure, so as to ensure the detection of leaks and safety in relation thereto and to prevent the formation of an explosive atmosphere; and controlling the pressure, by means of the regulation valves arranged downstream of the stack, on the gases, including the wet gas, which are also generally hot.