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<p>The substitution of traditional fossil fuels with renewable energy sources is a crucial endeavor for achieving carbon neutrality targets. However, the intermittency of solar, wind, and other renewables poses significant challenges to the power grid. Power-to-X (P2X) technologies play an essential role in enabling the efficient consumption of renewable energy. High-temperature solid oxide electrolysis cells (SOECs) to convert CO<sub>2</sub> offer a promising method for CO<sub>2</sub> conversion, allowing renewable electricity to be stored in chemical form and facilitating the resourceful utilization of carbon resources. In this paper, the mechanism of CO<sub>2</sub> reduction through SOECs is reviewed, two pathways for converting CO<sub>2</sub> to chemicals via SOECs are summarized, and the current markets and manufacturers of SOECs are elucidated. Based on this discussion and analysis, the main challenges and development directions for the large-scale application of SOECs in CO<sub>2</sub> conversion are further proposed.</p>

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Developing solid oxide electrolysis cells for CO2 conversion: A critical power-to-X approach

  • 期刊论文

  • 发表日期：

    2025年6月5日

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  • Yuhui Jin,
  • Fengchao Li,
  • Yun Zheng,
  • Wenqiang Zhang,
  • Shufan Wang,
  • Wei Yan,
  • Bo Yu,
  • Jiujun Zhang

摘要

The substitution of traditional fossil fuels with renewable energy sources is a crucial endeavor for achieving carbon neutrality targets. However, the intermittency of solar, wind, and other renewables poses significant challenges to the power grid. Power-to-X (P2X) technologies play an essential role in enabling the efficient consumption of renewable energy. High-temperature solid oxide electrolysis cells (SOECs) to convert CO2 offer a promising method for CO2 conversion, allowing renewable electricity to be stored in chemical form and facilitating the resourceful utilization of carbon resources. In this paper, the mechanism of CO2 reduction through SOECs is reviewed, two pathways for converting CO2 to chemicals via SOECs are summarized, and the current markets and manufacturers of SOECs are elucidated. Based on this discussion and analysis, the main challenges and development directions for the large-scale application of SOECs in CO2 conversion are further proposed.