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Abstract The excessive emission and continuous accumulation of CO 2 have precipitated serious social and environmental issues. However, CO 2 can also serve as an abundant, inexpensive, and non‐toxic renewable C 1 carbon source for synthetic reactions. To achieve carbon neutrality and recycling, it is crucial to convert CO 2 into value‐added products through chemical pathways. Multi‐carbon (C 2+ ) products, compared to C 1 products, offer a broader range of applications and higher economic returns. Despite this, converting CO 2 into C 2+ products is difficult due to its stability and the high energy required for C−C coupling. Cascade catalytic reactions offer a solution by coordinating active components, promoting intermediate transfers, and facilitating further transformations. This method lowers energy consumption. Recent advancements in cascade catalytic systems have allowed for significant progress in synthesizing C 2+ products from CO 2 . This review highlights the features and advantages of cascade catalysis strategies, explores the synergistic effects among active sites, and examines the mechanisms within these systems. It also outlines future prospects for CO 2 cascade catalytic synthesis, offering a framework for efficient CO 2 utilization and the development of next‐generation catalytic systems.
Zhang et al. (Wed,) studied this question.