The escalating atmospheric CO_(2) levels necessitate efficient catalytic technologies for its conversion into value-added chemicals.This review systematically summarizes recent advances in ZrO_(2)-based catalysts for ...The escalating atmospheric CO_(2) levels necessitate efficient catalytic technologies for its conversion into value-added chemicals.This review systematically summarizes recent advances in ZrO_(2)-based catalysts for CO_(2) hydrogenation,emphasizing their multifunctional roles beyond conventional supports.Owing to its tunable crystalline phases,abundant oxygen vacancies,and synergistic metal-support interactions,ZrO_(2) significantly enhances catalytic performance in producing methane,methanol,and other products.Key design strategies,such as phase engineering,morphology control,and the construction of inverse or composite structures,are discussed in relation to their influence on CO_(2) adsorption,intermediate stabilization,and reaction pathway regulation.Mechanistic insights reveal that ZrO_(2) facilitates H_(2) dissociation,promotes hydrogen spillover,and stabilizes active metal species,thereby optimizing product selectivity and catalyst durability.Furthermore,tandem catalytic systems integrating ZrO_(2) with zeolites demonstrate exceptional potential in steering C-C coupling while suppressing over-hydrogenation.This review not only elucidates structure-activity relationships and kinetic behaviors but also outlines future research directions,including in situ characterization and scalable catalyst design,thereby providing critical guidance for the development of high-performance CO_(2) hydrogenation catalysts and advancing carbon-neutral fuel and chemical production.展开更多
基金supported by the Natural Science Foundation of Jiangxi Province for Distinguished Young Scholars(20232ACB213001)National Natural Science Foundation of China(22362022,52361040,22568029)+1 种基金the Thousand Talents Plan of Jiangxi Province(jxsq2023101072)the Natural Science Foundation of Jiangxi Province(20252BAC250133,20232ACB203004).
文摘The escalating atmospheric CO_(2) levels necessitate efficient catalytic technologies for its conversion into value-added chemicals.This review systematically summarizes recent advances in ZrO_(2)-based catalysts for CO_(2) hydrogenation,emphasizing their multifunctional roles beyond conventional supports.Owing to its tunable crystalline phases,abundant oxygen vacancies,and synergistic metal-support interactions,ZrO_(2) significantly enhances catalytic performance in producing methane,methanol,and other products.Key design strategies,such as phase engineering,morphology control,and the construction of inverse or composite structures,are discussed in relation to their influence on CO_(2) adsorption,intermediate stabilization,and reaction pathway regulation.Mechanistic insights reveal that ZrO_(2) facilitates H_(2) dissociation,promotes hydrogen spillover,and stabilizes active metal species,thereby optimizing product selectivity and catalyst durability.Furthermore,tandem catalytic systems integrating ZrO_(2) with zeolites demonstrate exceptional potential in steering C-C coupling while suppressing over-hydrogenation.This review not only elucidates structure-activity relationships and kinetic behaviors but also outlines future research directions,including in situ characterization and scalable catalyst design,thereby providing critical guidance for the development of high-performance CO_(2) hydrogenation catalysts and advancing carbon-neutral fuel and chemical production.
