Co-presence of PtNi nanowires and ionic liquid in carbon mesopores enhances electrocatalytic oxygen reduction activity

Yuta Kato; Masaru Kato; Shun Saito; Yu Zhuang; Yoshimi Iguchi; Jun Sato; Tasuku Komanoya; Kentaro Soma; Koshiro Suzuki; Ichizo Yagi

doi:10.1039/D4NR03286A

Co-presence of PtNi nanowires and ionic liquid in carbon mesopores enhances electrocatalytic oxygen reduction activity†

Yuta Kato,^a Masaru Kato,

*^ab Shun Saito,^a Yu Zhuang,^a Yoshimi Iguchi,^a Jun Sato,^c Tasuku Komanoya,^c Kentaro Soma,^d Koshiro Suzuki^a and Ichizo Yagi

*^ab

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* Corresponding authors

^a Graduate School of Environmental Science, Hokkaido University, N10W5, Kita-ku, Sapporo 060-0810, Japan

^b Faculty of Environmental Earth Science, Hokkaido University, N10W5, Kita-ku, Sapporo 060-0810, Japan
E-mail: masaru.kato@ees.hokudai.ac.jp, iyagi@ees.hokudai.ac.jp

^c R&D Center, Business Creation Sector, Mitsui Mining and Smelting Co., Ltd, 1333-2, Haraichi, Ageo 362-0021, Japan

^d Materials Analysis & Exploration Center, Mitsui Mining and Smelting Co., Ltd, 1333-2, Haraichi, Ageo 362-0021, Japan

Abstract

The electrocatalytic activity of PtNi nanowires is enhanced by the co-presence of ionic liquid in carbon mesopores. Three-dimensional transmission electron microscopy tomography and surface-enhanced infrared absorption spectroscopy confirm the co-presence of PtNi nanowires and ionic liquid inside carbon mesopores even under electrochemical conditions.

Nanoscale

Co-presence of PtNi nanowires and ionic liquid in carbon mesopores enhances electrocatalytic oxygen reduction activity†

Abstract

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Co-presence of PtNi nanowires and ionic liquid in carbon mesopores enhances electrocatalytic oxygen reduction activity

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