5 years ago

High-Throughput Synthesis of Mixed-Metal Electrocatalysts for CO2 Reduction

High-Throughput Synthesis of Mixed-Metal Electrocatalysts for CO2 Reduction
Danielle A. Salvatore, Tengfei Li, Jingfu He, Curtis P. Berlinguette, Kevan E. Dettelbach
The utilization of CO2 as a feedstock requires fundamental breakthroughs in catalyst design. The efficiencies and activities of pure metal electrodes towards the CO2 reduction reaction are established, but the corresponding data on mixed-metal systems are not as well developed. In this study we show that the near-infrared driven decomposition (NIRDD) of solution-deposited films of metal salts and subsequent electrochemical reduction offers the unique opportunity to form an array of mixed-metal electrocatalyst coatings with excellent control of the metal stoichiometries. This synthetic method enabled us to develop an empirical structure–property correlation to help inform the development of optimized CO2 catalyst compositions. Mix and pick: A high-throughput synthetic method gives access to mixed-metal electrocatalysts for CO2 reduction. A relationship between relative bond enthalpies can be used as a guideline to identify catalyst compositions that mediate higher activities.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201612038

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