Carbon oxide reduction electrode, carbon oxide electrolyzer cell including the same, and method of preparing carbon oxide reduction electrode
AssigneesSamsung Electronics Co., Ltd., Seoul National University R&Db Foundation
InventorsNoho LEE, Yunjeong Hwang, Juhyung Choi, Jaeeun Kim, Kanghee Cho, Hyukjae Kwon, Dayeon Kim, Sejin Park
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Abstract
A carbon oxide reduction electrode (CORE), a carbon oxide electrolyzer cell including the CORE, and a method of preparing a CORE. The CORE includes a gas diffusion layer (GDL) including a microporous substrate (MPS) that includes conductive fibers, and a microporous catalyst layer (MPCL) on the GDL, wherein the MPCL includes conductive particles and catalyst particles and has a thickness of 10 micrometers or more.
Claims20
A carbon oxide reduction electrode (CORE) comprising:
- a gas diffusion layer comprising a microporous substrate that includes conductive fibers;
- and
- a microporous catalyst layer on the gas diffusion layer,
- wherein the microporous catalyst layer comprises conductive particles and catalyst particles, and the microporous catalyst layer has a thickness of 10 micrometers or more.
A method of preparing a carbon oxide reduction electrode, the method comprising:
- providing a first stack comprising a microporous substrate and a microporous layer disposed on the microporous substrate, wherein the microporous substrate contains conductive fibers, and the microporous layer comprises conductive particles;
- coating the microporous layer of the first stack with a composition comprising a catalyst precursor to provide a second stack;
- optionally, pressing the second stack to provide a third stack, wherein the third stack comprises a microporous precursor layer which comprises conductive particles and a catalyst precursor;
- and
- heat-treating the first stack or the third stack to provide the carbon oxide reduction electrode comprising a microporous catalyst layer that includes conductive particles and catalyst particles,
- wherein the microporous catalyst layer has a thickness of 10 micrometers or more.
Dependencies are inferred from the claim text.