Single-atom alloy Ir/Ni catalyst boosts CO2 methanation via mechanochemistry

Rui Tu; Yujie Zhang; Yuchun Xu; Junxia Yang; Ling Zhang; Keran Lv; Guoqing Ren; Shengliang Zhai; Tie Yu; Weiqiao Deng

doi:10.1039/D3NH00040K

Single-atom alloy Ir/Ni catalyst boosts CO₂ methanation via mechanochemistry†

Rui Tu,‡^a Yujie Zhang,‡^a Yuchun Xu,^a Junxia Yang,^a Ling Zhang,^a Keran Lv,^a Guoqing Ren,

^a Shengliang Zhai,^a Tie Yu

*^a and Weiqiao Deng

*^a

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* Corresponding authors

^a Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong, China
E-mail: dengwq@sdu.edu.cn, yutie043116@tju.edu.cn

Abstract

A new catalytic approach is pioneered to achieve CO₂ methanation via a single atom alloy Ir/Ni catalyst using a ball-milling method. This Ir/Ni catalyst exhibits a TOF_CH4 of 10244 h⁻¹ and a 220 h lifetime at 350 °C without deactivation, illustrating excellent catalytic efficiency in the presence of mechanical energy.

This article is part of the themed collections: 2024 Lunar New Year Collection, New horizons in materials for energy conversion, optics and electronics and Nanoscale Horizons, Nanoscale, and ChemComm: Nanocatalysis

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Single-atom alloy Ir/Ni catalyst boosts CO₂ methanation via mechanochemistry†

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Single-atom alloy Ir/Ni catalyst boosts CO₂ methanation via mechanochemistry

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