Enhanced Ultramicropore of Biomass‐Derived Porous Carbon for Efficient and Low‐Energy
                    CO
                    2
                    Capture: Integration of Adsorption and Solar Desorption

Pengcheng Guo; Ruiqi Xue; Qiao Zou; Xiancheng Ma; Changqing Su; Zheng Zeng; Liqing Li

doi:10.1002/eem2.70140

journal article Open Access Sep 08, 2025

Enhanced Ultramicropore of Biomass‐Derived Porous Carbon for Efficient and Low‐Energy CO 2 Capture: Integration of Adsorption and Solar Desorption

Pengcheng Guo

Ruiqi Xue Qiao Zou Xiancheng Ma

Changqing Su Zheng Zeng

Liqing Li

ENERGY & ENVIRONMENTAL MATERIALS Vol. 9 No. 2 · Wiley

View at Publisher Save 10.1002/eem2.70140

Abstract

Biomass‐derived carbon for CO
2
capture is significant for reducing carbon emissions and recovering C1 resources, contributing to zero‐carbon goals. However, developing biomass‐based porous carbon with high CO
2
capture while reducing regeneration energy consumption remains challenging. This study leverages the tunable pore structure and photothermal properties of biomass‐based carbon, integrating adsorption and solar‐driven desorption for efficient, low‐energy CO
2
capture. Specifically, mechanical compaction increased the ultramicropore volume of the porous carbon by 25%, leading to a corresponding 25% enhancement in CO
2
adsorption capacity. Theoretical calculations and correlation analyses further elucidated that ultramicropore volume, nitrogen doping, and oxygen doping play significant roles in CO
2
adsorption. Under one‐sun illumination, the surface temperature of the prepared porous carbon rapidly rose to 57.1 °C within 6 min and stabilized around 71.0 °C, resulting in a regeneration efficiency of 75%. These findings provide valuable theoretical and practical insights for the development of high‐efficiency, low‐energy CO
2
capture technologies.

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Metrics

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Citations

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References

Details

Published: Sep 08, 2025
Vol/Issue: 9(2)
License: View

Authors

P

Pengcheng Guo

Research Institute of Automobile Parts Technology Hunan Institute of Technology Hengyang 421002 China

R

Ruiqi Xue

College of Mechanical and Intelligent Manufacturing Central South University of Forestry and Technology Changsha 410004 China

Q

Qiao Zou

College of Mechanical and Intelligent Manufacturing Central South University of Forestry and Technology Changsha 410004 China

X

Xiancheng Ma

College of Mechanical and Intelligent Manufacturing Central South University of Forestry and Technology Changsha 410004 China

C

Changqing Su

Hunan Key Laboratory of Carbon Neutrality and Intelligent Energy, School of Resources & Environment Hunan University of Technology and Business Changsha 410205 China

Z

Zheng Zeng

School of Energy Science and Engineering Central South University Changsha 410083 China

L

Liqing Li

School of Energy Science and Engineering Central South University Changsha 410083 China

Funding

National Natural Science Foundation of China Award: 52475344

Cite This Article

Pengcheng Guo, Ruiqi Xue, Qiao Zou, et al. (2025). Enhanced Ultramicropore of Biomass‐Derived Porous Carbon for Efficient and Low‐Energy CO 2 Capture: Integration of Adsorption and Solar Desorption. ENERGY & ENVIRONMENTAL MATERIALS, 9(2). https://doi.org/10.1002/eem2.70140

Enhanced Ultramicropore of Biomass‐Derived Porous Carbon for Efficient and Low‐Energy CO 2 Capture: Integration of Adsorption and Solar Desorption

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