@article{Li2021, 
author = {Zhenhua Li and Run Shi and Jiaqi Zhao and Tierui Zhang},
title = {Ni-based catalysts derived from layered-double-hydroxide nanosheets for efficient photothermal CO2 reduction under flow-type system},
year = {2021},
journal = {Nano Research},
volume = {14},
number = {12},
pages = {4828-4832},
keywords = {photothermal CO2 hydrogenation, Ni-based catalysts, layered double hydroxide, photocatalysis, solar-to-fuel},
url = {https://www.sciopen.com/article/10.1007/s12274-021-3436-6},
doi = {10.1007/s12274-021-3436-6},
abstract = {Photothermal CO2 reduction is an efficient and sustainable catalytic path for CO2 treatment. Here, we successfully fabricated a novel series of Ni-based catalysts (Ni-x) via H2 reduction of NiAl-layered double hydroxide nanosheets at temperatures (x) ranging from 300 to 600 ℃. With the increase of the reduction temperature, the methane generation rate of the Ni-x catalyst for photothermal CO2 hydrogenation gradually increased under ultraviolet-visible-infrared (UV–vis–IR) irradiation in a flow-type system. The Ni-600 catalyst showed a CO2 conversion of 78.4%, offering a CH4 production rate of 278.8 mmol·g–1·h–1, with near 100% selectivity and 100 h long-term stability. Detailed characterization analyses showed metallic Ni nanoparticles supported on amorphous alumina are the catalytically active phase for CO2 methanation. This study provides a possibility for large-scale conversion and utilization of CO2 from a sustainable perspective.}
}