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徐浩

教授 博士生导师 硕士生导师

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  • 所在单位: 能源与动力工程学院
  • 办公地点: 交大创新港校区19-2006办公室
  • 学位: 博士

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论文被Journal of CO2 Utilization接收

发布时间:2026-05-04
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发布时间:
2026-05-04
文章标题:
论文被Journal of CO2 Utilization接收
内容:

今日获知,本科生卢存晓同学的论文From Mechanistic Insights to Engineering Applications Advances in Flooding Control for Gas Diffusion Electrodes in Electrocatalytic CO2 Reduction被Journal of CO2 Utilization接收。论文得到国家自然科学基金、陕西省杰出青年科学基金、西安交通大学基本科研业务费的资助。论文摘要如下:

Electrocatalytic carbon dioxide reduction (CO2RR) technology is a critical pathway for achieving carbon neutrality. However, its industrial-scale application is hindered by the flooding issue of gas diffusion electrodes (GDEs) under high-current-density operation. Flooding is a dynamic failure process wherein the electrolyte breaches the hydrophobic barrier and blocks gas transport pathways. This intrusion is driven by the coupling of multiple physical forces, including capillary effects, hydrostatic pressure, and reaction heat, and is further exacerbated by chemical and electrochemical mechanisms such as electro-wetting effects and carbonate crystallization induced by local alkalization. This severely compromises the stability of the gas-liquid-solid three-phase interface and leads to performance degradation. To systematically elucidate mitigation strategies for flooding, this review discusses dual approaches based on the intrinsic structural optimization of GDEs and engineered operational control: On one hand, enhancing the electrode's anti-permeability through hydrophobic modification of the catalyst layer, gradient microstructure design of the microporous layer, and surface engineering of the gas diffusion layer; On the other hand, weakening the external driving forces for flooding via innovations in flow field design, precise matching of gas-liquid pressures, and temperature management. This work provides new perspectives for advancing CO2RR electrolysis technology towards industrially stable operation.