Patent ID: 11964232
Assignee: DENSO CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 13:
14. A working electrode used in a carbon dioxide recovery system that separates CO2 from a CO2-containing gas containing CO2 by an electrochemical reaction, the carbon dioxide recovery system comprising an electrochemical cell comprising a working electrode, and a counter electrode, the working electrode comprising a CO2 adsorbent,
wherein application of a voltage between the working electrode and the counter electrode causes electrons to be supplied from the counter electrode to the working electrode, and enables the CO2 adsorbent to bind to CO2 as electrons are supplied, and
the CO2 adsorbent is a crystalline porous body having a metal-organic framework,
the CO2 adsorbent has a molecular structure in which a functional group that exchanges electrons and binds to CO2 is regularly arranged at bridging portions of the crystalline porous body to regularly arrange the functional group in the crystalline porous body, and
the functional group arranged at the bridging portions contains F, O, N, Cl, or S.