A NiRhS fuel cell catalyst – lessons from hydrogenase

Seiji Ogo; Tatsuya Ando; Le Tu Thi Minh; Yuki Mori; Takahiro Matsumoto; Takeshi Yatabe; Ki-Seok Yoon; Yukio Sato; Takashi Hibino; Kenji Kaneko

doi:10.1039/D0CC04789A

A NiRhS fuel cell catalyst – lessons from hydrogenase†

Seiji Ogo,

*^ab Tatsuya Ando,^ab Le Tu Thi Minh,^a Yuki Mori,^a Takahiro Matsumoto,^ab Takeshi Yatabe,^ab Ki-Seok Yoon,^ab Yukio Sato,^c Takashi Hibino

^bd and Kenji Kaneko

^bc

Author affiliations

* Corresponding authors

^a Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: ogo.seiji.872@m.kyushu-u.ac.jp

^b Center for Small Molecule Energy, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan

^c Department of Materials Science and Engineering, Faculty of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan

^d Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan

Abstract

We present a novel fuel cell heterogeneous catalyst based on rhodium, nickel and sulfur with power densities 5–28% that of platinum. The NiRhS heterogeneous catalyst was developed via a homogeneous model complex of the [NiFe]hydrogenases (H₂ases) and can act as both the cathode and anode of a fuel cell.

This article is part of the themed collections: Biohybrid approaches for energy conversion and Bioinspired metal complexes for chemical transformations and catalysis

Chemical Communications

A NiRhS fuel cell catalyst – lessons from hydrogenase†

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