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<p>Achieving carbon neutrality has emerged as a critical global goal to address climate change. As the most significant greenhouse gas, CO<sub>2</sub> poses environmental challenges while representing a potential carbon resource. Biotransformation technologies offer sustainable, low-energy-consumption solutions for CO<sub>2</sub> utilization; however, their development is restricted by low gas solubility and microbial efficiency limitations. Crystalline materials have recently demonstrated great potential to enhance CO<sub>2</sub> capture, boost electron transfer, and promote microbial immobilization. These materials can function as supports, catalysts, or functional media in microbial systems to improve transformation efficiency. This review summarizes recent advances in CO<sub>2</sub>-biotransformation crystalline material-microbe hybrid systems, with an in-depth analysis of material functions, key microbes, and carbon fixation mechanisms, and looks forward to the future development trend of crystalline material-microbe hybrid systems for CO<sub>2</sub> bioconversion. This study provides critical insights for the development of highly efficient and industrially scalable CO<sub>2</sub> biotransformation platforms.</p>

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Crystalline material-microbe composite catalyst for CO2 bioconversion

  • 期刊论文

  • 发表日期：

    2025年12月9日

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  • Junjie Tan,
  • Yan Zhang,
  • Xin Liu,
  • Yao Chen

摘要

Achieving carbon neutrality has emerged as a critical global goal to address climate change. As the most significant greenhouse gas, CO2 poses environmental challenges while representing a potential carbon resource. Biotransformation technologies offer sustainable, low-energy-consumption solutions for CO2 utilization; however, their development is restricted by low gas solubility and microbial efficiency limitations. Crystalline materials have recently demonstrated great potential to enhance CO2 capture, boost electron transfer, and promote microbial immobilization. These materials can function as supports, catalysts, or functional media in microbial systems to improve transformation efficiency. This review summarizes recent advances in CO2-biotransformation crystalline material-microbe hybrid systems, with an in-depth analysis of material functions, key microbes, and carbon fixation mechanisms, and looks forward to the future development trend of crystalline material-microbe hybrid systems for CO2 bioconversion. This study provides critical insights for the development of highly efficient and industrially scalable CO2 biotransformation platforms.