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Designing a Zn-Ag Catalyst Matrix and Electrolyzer System for CO2 Conversion to CO and Beyond.
Lamaison, Sarah; Wakerley, David; Kracke, Frauke; Moore, Thomas; Zhou, Lan; Lee, Dong Un; Wang, Lei; Hubert, McKenzie A; Aviles Acosta, Jaime E; Gregoire, John M; Duoss, Eric B; Baker, Sarah; Beck, Victor A; Spormann, Alfred M; Fontecave, Marc; Hahn, Christopher; Jaramillo, Thomas F.
Afiliação
  • Lamaison S; Collège de France, Sorbonne University, Laboratory of the Chemistry of Biological Processes, CNRS UMR 8229, Paris, 75231, France.
  • Wakerley D; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Kracke F; SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA.
  • Moore T; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Zhou L; Department of Civil & Environmental Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Lee DU; Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA.
  • Wang L; Joint Center for Artificial Photosynthesis, California Institute of Technology, Pasadena, CA, 91125, USA.
  • Hubert MA; Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, 91125, USA.
  • Aviles Acosta JE; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Gregoire JM; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Duoss EB; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Baker S; SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA.
  • Beck VA; Joint Center for Artificial Photosynthesis, California Institute of Technology, Pasadena, CA, 91125, USA.
  • Spormann AM; Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, 91125, USA.
  • Fontecave M; Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA.
  • Hahn C; Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA.
  • Jaramillo TF; Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA.
Adv Mater ; 34(1): e2103963, 2022 Jan.
Article em En | MEDLINE | ID: mdl-34672402
CO2 emissions can be transformed into high-added-value commodities through CO2 electrocatalysis; however, efficient low-cost electrocatalysts are needed for global scale-up. Inspired by other emerging technologies, the authors report the development of a gas diffusion electrode containing highly dispersed Ag sites in a low-cost Zn matrix. This catalyst shows unprecedented Ag mass activity for CO production: -614 mA cm-2 at 0.17 mg of Ag. Subsequent electrolyte engineering demonstrates that halide anions can further improve stability and activity of the Zn-Ag catalyst, outperforming pure Ag and Au. Membrane electrode assemblies are constructed and coupled to a microbial process that converts the CO to acetate and ethanol. Combined, these concepts present pathways to design catalysts and systems for CO2 conversion toward sought-after products.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article País de afiliação: França
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article País de afiliação: França