8Active Sites in Nitrogen‐Doped Carbon Materials for Oxygen Reduction Reaction

Riku Shibuya1, Takahiro Kondo2,3, and Junji Nakamura2,3

1University of Tsukuba, Graduate School of Pure and Applied Sciences, 1‐1‐1 Tennodai, Tsukuba, Ibaraki, 305‐8573, Japan

2University of Tsukuba, Faculty of Pure and Applied Sciences, 1‐1‐1 Tennodai, Tsukuba, Ibaraki, 305‐8573, Japan

3University of Tsukuba, Tsukuba Research Center for Energy Materials Science, 1‐1‐1 Tennodai, Tsukuba, Ibaraki, 305‐8573, Japan

8.1 Introduction

The oxygen reduction reaction (ORR; O2 + 4H+ + 4e → 2H2O) is a key reaction at the cathode of polymer electrolyte fuel cells, for which platinum (or Pt alloys such as PtCo) has been regarded as the best catalyst and has been widely used ...

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