Selective CO2 hydrogenation enhanced by tuning the zinc content in nickel catalysts

Min Cao; Yichen Huang; Yu Gao; Zihan Wang; Qianqian Wang; Sha Li; Feng Yu; Li Qiu; Ruifeng Li; Xiaoliang Yan; Yun-Xiang Pan

doi:10.1039/D5NH00736D

Selective CO₂ hydrogenation enhanced by tuning the zinc content in nickel catalysts

Min Cao,^a Yichen Huang,^a Yu Gao,^a Zihan Wang,^a Qianqian Wang,^a Sha Li,*^a Feng Yu,^a Li Qiu,^a Ruifeng Li,

^a Xiaoliang Yan

*^a and Yun-Xiang Pan

*^b

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* Corresponding authors

^a College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi, P. R. China

^b School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
E-mail: yxpan81@sjtu.edu.cn

Abstract

Electron-rich Ni sites in Ni₃Zn–Al₂O₃ drive CO production through monodentate formate decomposition. Meanwhile, a Zn-evaporation-mediated strategy was proposed to tune Zn content, and engineered electron-deficient Ni–Al₂O₃ promotes CH₄ formation by enabling bidentate formate hydrogenation with abundant *H under lean redox conditions (CO₂ : H₂ = 1 : 1).

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Selective CO₂ hydrogenation enhanced by tuning the zinc content in nickel catalysts

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Selective CO₂ hydrogenation enhanced by tuning the zinc content in nickel catalysts

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