HUANG Jiongyuan, CHEN Zhiyi, LUO Yujie, AI Na, JIANG Sanping, CHEN Kongfa. Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review[J]. Journal of Fuel Chemistry and Technology. DOI: 10.1016/S1872-5813(24)60508-6
Citation: HUANG Jiongyuan, CHEN Zhiyi, LUO Yujie, AI Na, JIANG Sanping, CHEN Kongfa. Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review[J]. Journal of Fuel Chemistry and Technology. DOI: 10.1016/S1872-5813(24)60508-6

Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review

  • Solid oxide cells (SOCs) are emerging devices for efficient energy storage and conversion. However, during SOC operation, gaseous chromium (Cr) species released from Fe-Cr alloy interconnect can lead to Cr deposition and poisoning of air electrodes, causing substantial degradation in electrochemical performance and compromising the long-term stability of SOCs. This mini-review examines the mechanism of Cr deposition and poisoning in air electrodes under both fuel-cell and electrolysis modes. Furthermore, emphasis is placed on the recent advancements in strategies to mitigate Cr poisoning, offering insights into the rational design and development of active and Cr-tolerant air electrodes for SOCs.
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