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In this work, advanced technologies concerning warm gas carbon capture and hydrogen production from carbon-based fuels are reviewed, with a primary focus on the elevated-temperature pressure swing adsorption process coupled with the water gas shift reaction and in-situ CO₂ adsorption. Key progress in the development of adsorption kinetic models, study of adsorption mechanisms, synthesis of efficient CO₂ adsorbents, design and process optimization of adsorption/desorption reactors, and integration of purification systems, as well as major challenges and perspectives for the fundamental study and pilot-scale system development are discussed. This review provides a theoretical basis for the scaling-up of the next carbon capture system, and has scientific value and strategic significance for alleviating carbon emission pressure, developing hydrogen fuel cell energy system, and reducing energy …