Catalytic hydrogenation of CO₂ into valuable chemicals, e.g. CH₃OH, has been among the greatest concerns for both scientific and industrial communities, due to its crucial role in solving the serious CO₂-related problems. In₂O₃-based composite catalysts have attracted great attentions due to their outstanding activity, selectivity and stability towards CO₂ hydrogenation, in both thermocatalysis and photocatalysis. The present review summarizes the recent progress on In₂O₃-based composite catalysts for boosting CO₂ hydrogenation. Strategies for improving the performance of In₂O₃-based composite catalysts are discussed. Hydrogenation mechanisms of CO₂ on In₂O₃-based composite catalysts are analyzed. Future research opportunities and challenges are shown at the end of this review. The present review will stimulate more deep insights on In₂O₃-based composite catalysts for achieving more efficient CO₂ conversion.

将 CO ₂催化氢化成有价值的化学品，例如CH ₃ OH，由于其在解决严重的 CO ₂相关问题中的关键作用，已成为科学界和工业界最关心的问题之一。In ₂ O ₃基复合催化剂因其在热催化和光催化中对CO ₂加氢的优异活性、选择性和稳定性而备受关注。本综述总结了用于促进CO ₂加氢的In ₂ O ₃基复合催化剂的最新进展。提高 In 性能的策略讨论了基于₂ O ₃的复合催化剂。分析了CO ₂在In ₂ O ₃基复合催化剂上的加氢机理。本综述的结尾显示了未来的研究机遇和挑战。本综述将激发对基于 In ₂ O ₃的复合催化剂的更深入见解，以实现更有效的 CO ₂转化。