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Updated: Oct 25, 2026

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
Published on: November 7, 2025
Design Strategies of Cu-Based Tandem Catalysts for Efficient Electrochemical CO2 Reduction to C2+ Products
Yu-Cheng Liu1, Yu-Jhih Shen1, Kang-Shun Peng1
1Department of Applied Chemistry and Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu300, Taiwan.
Abstract:
Electrochemical CO2 reduction reaction (CO2RR) offers a promising route to convert CO2 into value-added fuels and chemicals using renewable electricity. Cu-based catalysts are uniquely capable of producing C2+ hydrocarbons and oxygenates through C-C coupling, but their performance is limited by insufficient *CO coverage, broad product distributions, competing hydrogen evolution, and stability issues at high current densities. Tandem catalysis addresses these challenges by integrating CO-generating components with Cu-based C-C coupling sites. This review summarizes recent advances in Cu-based tandem catalysts under flow-cell and industrially relevant conditions, focusing on spatially separated systems, Ag-Cu bimetallic interfaces, single-atom alloys, and SAC-Cu tandem architectures. Key design principles include regulating CO generation, transport, interfacial structure, and coupling pathways.
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