Catalytic production of hydrogen peroxide and its fuel cells with metalloporphyrins, metallophthalocyanines, and analogs

Young Hyun Hong, Yong Min Lee, Wonwoo Nam, Shunichi Fukuzumi

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Metalloporphyrins, metallophthalocyanines, and analogs are known to act as efficient catalysts for the reduction of dioxygen in the presence of an acid in solution. Whether dioxygen is reduced to hydrogen peroxide (H2O2: two-electron reduced species of O2) or water (H2O: four-electron reduced species of O2) is changed depending on metals and ligands. This mini-review focuses on the catalytic production of hydrogen peroxide by a combination of 2e-O2 reduction and 2e-or 4e- H2O oxidation with the use of metalloporphyrins and metallophthalocyanines as photocatalysts. H2O2generated by the photocatalytic H2O oxidation with O2 can be used as a fuel in hydrogen peroxide fuel cells in which metalloporphyrins, metallophthalocyanines, and analogs are employed as the cathode catalysts. Metalloporphyrins are also employed as efficient electrocatalysts to exhibit significantly improved performance in a Zn-air battery that has a much higher energy density than that of lithium-ion batteries.

Original languageEnglish
Pages (from-to)11-22
Number of pages12
JournalJournal of Porphyrins and Phthalocyanines
Volume27
Issue number1-4
DOIs
StatePublished - 1 Jan 2023

Bibliographical note

Funding Information:
The authors gratefully acknowledge the contributions of collaborators and co-workers mentioned in the references. The authors also appreciate the financial support provided by the Japan Society for the Promotion of Science (Grant Numbers 16H02268 to S.F.) and by the NRF of Korea through the CRI (NRF-2021R1A3B1076539 to W.N.) and Basic Science Research Program (NRF- 2020R1I1A1A01074630 to Y.-M.L.).

Publisher Copyright:
© 2023 World Scientific Publishing Company.

Keywords

  • hydrogen peroxide fuel cells
  • metallophthalocyanines
  • metalloporphyrins
  • photocatalytic production of hydrogen peroxide
  • zinc-air batteries
  • zinc-hydrogen peroxide batteries

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