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- Title
Electrocatalytic Activity of Reduced Graphene Oxide Supported Cobalt Cinnamate for Oxygen Evolution Reaction.
- Authors
Lee, Myung Jun; Kim, Junyeop; Kang, Jaeun; Shin, Hyewon; Do, Junghwan; Kwon, Seong Jung
- Abstract
The stability of porous coordination polymers during an electrochemical reaction could be improved by introducing supporter materials. An I3O0-type inorganic hybrid electrocatalyst, cobalt cinnamate, supported on reduced graphene oxide (rGO) was successfully prepared for an oxygen evolution reaction. The electrocatalytic activity and stability of cobalt cinnamate(catalyst)/rGO composite were significantly improved due to the strong interaction between catalyst and supporter, which led to enhanced anchoring stability and electrical conductivity. The catalyst/rGO composite shows ~30 mV reduction in overpotential and improvement in durability from ≥35% to ≥70% after a reaction time of 12 h, compared to the catalyst alone.
- Subjects
OXYGEN evolution reactions; COBALT oxides; GRAPHENE oxide; POROUS polymers; ELECTRIC conductivity; COORDINATION polymers; OVERPOTENTIAL
- Publication
Energies (19961073), 2021, Vol 14, Issue 16, p5020
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en14165020