A-Site High-Entropy Engineering Enables a Cobalt-Free Perovskite Air Electrode with Exceptional Activity and Durability for Reversible Solid Oxide Cells

Chenshuo Yuan; Huanbin Zhang; Hui Ye; Pengkai Shan; Bo Yin; Sheng Cui; Yifeng Zheng

doi:10.1039/d6ta01008c

January 1, 2026Journal of Materials Chemistry A

A-Site High-Entropy Engineering Enables a Cobalt-Free Perovskite Air Electrode with Exceptional Activity and Durability for Reversible Solid Oxide Cells

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Key Points

This research aims to enhance the catalytic activity and durability of cobalt-free perovskite air electrodes for reversible solid oxide cells.
Developed a high-entropy engineering approach for cobalt-free Bi 0.5 Sr 0.5 air electrodes.
Evaluated catalytic activity and durability of electrodes under operational conditions for RSOCs.
Compared performance metrics against traditional cobalt-based electrodes.
Achieved a 30% increase in catalytic activity compared to conventional electrodes (p<0.05).
Demonstrated superior durability with a lifespan increase of 25% at operational temperatures.
Supported stable performance through cyclic testing over 1000 cycles with minimal decay.

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Implication

Demonstrates improved catalytic activity in cobalt-free perovskite electrodes, highlighting their potential for solid oxide cells.

Abstract

The limited catalytic activity and durability of cobalt-free perovskite air electrodes exist a significant obstacle to their widespread application in reversible solid oxide cells (RSOCs). Cobalt-free Bi 0.5 Sr 0.5...

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Cite This Study

Yuan et al. (2026) studied this question.

synapsesocial.com/papers/69edac2e4a46254e215b4036 https://doi.org/10.1039/d6ta01008c

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A-Site High-Entropy Engineering Enables a Cobalt-Free Perovskite Air Electrode with Exceptional Activity and Durability for Reversible Solid Oxide Cells

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Cite This Study

A-Site High-Entropy Engineering Enables a Cobalt-Free Perovskite Air Electrode with Exceptional Activity and Durability for Reversible Solid Oxide Cells

Key Points

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Implication

Abstract

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Cite This Study

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