Chapter

Solar to Chemical Energy Conversion

Volume 32 of the series Lecture Notes in Energy pp 175-189

Date:

Water Splitting Using Electrochemical Approach

  • Akira YamaguchiAffiliated withBiofunctional Catalyst Research Team, RIKEN Center for Sustainable Resource Science
  • , Toshihiro TakashimaAffiliated withClean Energy Research Center, University of Yamanashi
  • , Kazuhito HashimotoAffiliated withDepartment of Applied Chemistry, The University of Tokyo
  • , Ryuhei NakamuraAffiliated withBiofunctional Catalyst Research Team, RIKEN Center for Sustainable Resource Science Email author 

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Abstract

For electrochemical water splitting, a number of bioinspired and biomimetic Mn-based materials have been developed; however, the catalytic performances markedly differ between natural and synthetic Mn catalysts. Based on the recent in situ detection of surface intermediates for the oxygen evolution reaction (OER) by MnO2, this chapter introduces the design rationale for the efficient OER catalysts, and discusses the evolutional origin of natural Mn4-clusters to provide a better understanding of the differences in activity between natural and man-made OER catalysts.