Sol–gel-derived nanostructured electrocatalysts for oxygen evolution reaction: a review

Aditi De, Min Seo Kim, Arindam Adhikari, Rajkumar Patel and Subrata Kundu

J. Mater. Chem. A, 2024, 12, 19720
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A highly stable Pr2NiO4+δ oxygen electrode in electrolyte supported protonic ceramic electrolysis cells (PCECs) for hydrogen production with high faradaic efficiency

Leon Schley, Vaibhav Vibhu, Lucy Nohl, Izaak C. Vinke, L. G. J. (Bert) de Haart and Rüdiger-A. Eichel

Energy Adv., 2024, 3, 861
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Tuning electrochemical performance and interfacial compatibility of oxygen electrodes in proton-conducting solid oxide electrolysis cells

Saroj Karki, Shuanglin Zheng, Idris Temitope Bello, Allison Le and Hanping Ding

J. Mater. Chem. A, 2025, 13, 13368
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Ruddlesden–Popper perovskite oxides as emerging air electrodes for protonic ceramic cells

Yongning Yi, Yuanzhao Liu, Ran Ran, Guangming Yang, Wei Zhou, Wei Wang and Zongping Shao

J. Mater. Chem. A, 2026
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Rationally Designed Air Electrode Boosting Electrochemical Performance of Protonic Ceramic Cells

Chunmei Tang, Baoyin Yuan, Xiaohan Zhang, Fangyuan Zheng, Qingwen Su, Ling Meng, Lei Du, Dongxiang Luo, Yoshitaka Aoki, Ning Wang and Siyu Ye

Advanced Energy Materials, 2025, 15
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A High‐Entropy Composite Air Electrode with Dual‐Phase Exsolution for Efficient Reversible Proton Ceramic Cells

Yunfeng Tian, Ao Hu, Hao Xiong, Chao Wang, Jing Chen, Kaisheng Xia, Jian Pu and Bo Chi

Adv Funct Materials, 2026
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Advanced Electrode Materials for Efficient Hydrogen Production in Protonic Ceramic Electrolysis Cells

Zhipeng Liu, Lilin Zhang, Chunyue Joey Zheng, Yuan Zhang, Bin Chen, Zongping Shao and Jingjie Ge

Advanced Materials, 2025, 37
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Structural transformation of oxygen electrode from perovskite to Ruddlesden-Popper for enhanced reversible hydrogen production and power generation in protonic ceramic cells

Saroj Karki, Idris Temitope Bello, Yong Ding, Jiufeng Ruan, Anshu Kumari, Shuanglin Zheng, Yuqi Geng and Hanping Ding

Materials Today, 2025, 91, 232
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Proton Accumulation Modulated Surface Potential in Proton Conducting Ceramics Revealed by Near-Ambient Pressure X-ray Photoelectron Spectroscopy

Qingqing Zhao, Zihan Zhao, Dorota Flak, Alexey Rulev, Farid El Gabaly, Deborah J. Jones, Min Chen, Zhi Liu, Bongjin S. Mun, Artur Braun and Qianli Chen

ACS Appl. Mater. Interfaces, 2025, 17, 3229
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Constructing an expeditious and durable composite as an air electrode of solid oxide cells through synergistic phase transformation and phase segregation engineering

Hao Qiu, Jing Zhao, Guoliang Chen, Zihao Xie, Wenzhen Tu, Mingzhuang Liang, Huangang Shi, Beibei Xiao, Wei Wang, Chao Su and Lei Ge

Composites Part B: Engineering, 2025, 304, 112650
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Hydrogen Production with a Protonic Ceramic Membrane Reactor on Porous Fe–Cr Alloy

Haoyu Zheng, Noriko Sata, Feng Han, Amir Masoud Dayaghi, Fumitada Iguchi, Katherine Develos-Bagarinao, Truls Norby, Marit Stange and Rémi Costa

ACS Energy Lett., 2024, 9, 3962
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In situ re-constructed oxygen electrodes with enhanced thermomechanical compatibility for reversible protonic ceramic cells

Jianxiong Wang, Jiahui Chang, Keyu Li, Yusi Mao, Chunwen Sun and Suping Peng

Ceramics International, 2026, 52, 8454
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High‐Entropy Co‐Based Oxygen Electrodes with Enhanced Thermomechanical Compatibility for Reversible Protonic Ceramic Cells

Jianxiong Wang, Zuo Li, Wei Chen, Longfei Sun, Chunwen Sun and Suping Peng

Small, 2025, 21
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High‐Entropy Driven Self‐Assembled Dual‐phase Composite Air Electrodes with Enhanced Performance and Stability for Reversible Protonic Ceramic Cells

Ao Hu, Chenghao Yang, Yitong Li, Kaisheng Xia, Yunfeng Tian, Jian Pu and Bo Chi

Advanced Energy Materials, 2025, 15
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Enhancing the Faradaic Efficiency in Proton-Conducting Ceramic Electrolysis Cells (PCECs) for Hydrogen Production: Influence of Electrolyte Thickness and Operating Conditions

Leon Schley, Vaibhav Vibhu, Till Frömling, L. G. J. (Bert) de Haart and Rüdiger-A. Eichel

J. Electrochem. Soc., 2025, 172, 094505
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Interfacial Nanostructuring Enables Integrated, Low‐Polarization Reversible Protonic Ceramic Cells

Shuanglin Zheng, Anshu Kumari, Yuqi Geng, Yuchen Zhang, Nengneng Xu, Idris Temitope Bello, Sooraj Patel, Saroj Karki, Iman Ghamarian and Hanping Ding

Advanced Energy Materials, 2026
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Novel High‐Entropy Air Electrodes Enhancing Electrochemical Performances of Reversible Protonic Ceramic Cells

Xiaohan Zhang, Chunmei Tang, Yilin Yang, Fangyuan Zheng, Qingwen Su, Huanxin Xiang, Ling Meng, Lei Du, Yoshitaka Aoki, Dongxiang Luo, Ning Wang and Siyu Ye

Adv Funct Materials, 2025, 35
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Three‐dimensional Quantitative Evaluation of Interfacial Mass Transfer for Performance Enhanced and Durable Large‐scale Reversible Protonic Ceramic Cells

Youle Liu, Yufeng Zhang, Yucheng Zhang, Hongkun Li, Ze Liu, Yuxuan Zhang, Peng Du, Jingzeng Cui, Jianqiu Zhu, Ziting Xia, Zhiwei Hu, Guntae Kim, Xiao Lin, Jian‐Qiang Wang and Linjuan Zhang

Small, 2025, 21
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Facile Deficiency Engineering in a Cobalt‐Free Perovskite Air Electrode to Achieve Enhanced Performance for Protonic Ceramic Fuel Cells

Qirui Ye, Huaqing Ye, Zilin Ma, Haoqing Lin, Bote Zhao, Guangming Yang, Feifei Dong, Meng Ni, Zhan Lin and Shanqing Zhang

Small, 2024, 20
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Bipolar electrolysis cells with hydride ion-proton conductor heterojunctions

Ryosuke Maeda, Hajime Toriumi, Takuya Takahashi, Hiroko Ariga-Miwa, Tomoya Uruga, SeongWoo Jeong and Yoshitaka Aoki

Cell Reports Physical Science, 2025, 6, 102839
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Performance improvement of oxygen electrode in reversible protonic ceramic electrochemical cell by co-doping of La and F

Ping Li, Qiyu Yang, Yifang Niu, Jianwei Du, Fei Yan, Xiaofeng Tong, Ligang Wang and Tian Gan

Ceramics International, 2024, 50, 40561
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Green hydrogen production by intermediate‐temperature protonic solid oxide electrolysis cells: Advances, challenges, and perspectives

Chunmei Tang, Yao Yao, Ning Wang, Xiaohan Zhang, Fangyuan Zheng, Lei Du, Dongxiang Luo, Yoshitaka Aoki and Siyu Ye

InfoMat, 2024, 6
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Electrochemical characterization and model investigation of BaZr0.625Ce0.2Y0.175O3-δ based proton conductive ceramic cells

Martina Marasi, Alberto Cammarata, Giovanna Massobrio, Paolo Colbertaldo, Stefano Campanari and Alessandro Donazzi

Electrochimica Acta, 2025, 543, 147581
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High‐Throughput DFT‐Assisted Design of Electrode for Efficient High‐Temperature Electrochemical Dehydrogenation

Xuepeng Xiang, Zilin Ma, Jun Zhang, Yifeng Li, Yongjian Ye, Wenyu Lu, Mengzhen Zhou, Shasha Huang, Haijun Fu, Bo Yu, Shijun Zhao, Zhang Lin and Yan Chen

Angewandte Chemie, 2025, 137
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Optimizing LaCoO3 cathode performance for protonic ceramic fuel cell via Ni cation doping

Bo Liu, Qi Xiao, Liansong Yu, Wenying Zhang, Dong Yan, Jian Li and Lichao Jia

Materials Today Energy, 2025, 52, 101921
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High‐Throughput DFT‐Assisted Design of Electrode for Efficient High‐Temperature Electrochemical Dehydrogenation

Xuepeng Xiang, Zilin Ma, Jun Zhang, Yifeng Li, Yongjian Ye, Wenyu Lu, Mengzhen Zhou, Shasha Huang, Haijun Fu, Bo Yu, Shijun Zhao, Zhang Lin and Yan Chen

Angew Chem Int Ed, 2025, 64
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Electrode materials for reversible solid oxide cells: A review and outlook

Defu Cai, Yuhao Zhao, Yijie Zhao, Libo Fan, Nai Shi, Zheqiang Xu, Yubin Chen, Yihang Li, Jianbing Huang and Youjun Lu

Energy Reviews, 2026, 5, 100175
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Triple-conducting Zn-doped Pr1.8Ba0.2NiO4+δ air electrodes for proton ceramic electrolysis cells

Liping Yang, Xusheng Ren, Wenjie Peng, Ao Wang, Dong Yan, Jian Li and Lichao Jia

Journal of Power Sources, 2023, 586, 233652
DOI: 10.1016/j.jpowsour.2023.233652

Vacancy–Redox Coupling at Interface‐Engineered Heterostructures Enhances Reversible Energy Conversion in Protonic Ceramic Cells

Shuanglin Zheng, Yuqi Geng, Subrina Islam, Nishya Mohamed Raseek, Anshu Kumari, Saroj Karki, Idris Temitope Bello, John W. Peters, Chuancheng Duan, Sooraj Patel, Iman Ghamarian, Yingtao Liu, Zongping Shao and Hanping Ding

Angewandte Chemie, 2026
DOI: 10.1002/ange.7079252

Hydrogen production at intermediate temperatures with proton conducting ceramic cells: Electrocatalytic activity, durability and energy efficiency

Haoyu Zheng, Feng Han, Noriko Sata and Rémi Costa

Journal of Energy Chemistry, 2023, 86, 437
DOI: 10.1016/j.jechem.2023.07.030

Mitigating the decomposition phenomenon at the cathode–electrolyte interface of protonic ceramic fuel cells

Xin‐Rong Huang, Jia‐Qi Qian, Hai‐Peng Zhang, Zhi‐Yi Chen, Chang‐Gen Lin, Jiong‐Yuan Huang, Na Ai, Cheng‐Zhi Guan, San Ping Jiang and Kong‐Fa Chen

Rare Metals, 2025, 44, 5393
DOI: 10.1007/s12598-025-03324-9

Vacancy–Redox Coupling at Interface‐Engineered Heterostructures Enhances Reversible Energy Conversion in Protonic Ceramic Cells

Shuanglin Zheng, Yuqi Geng, Subrina Islam, Nishya Mohamed Raseek, Anshu Kumari, Saroj Karki, Idris Temitope Bello, John W. Peters, Chuancheng Duan, Sooraj Patel, Iman Ghamarian, Yingtao Liu, Zongping Shao and Hanping Ding

Angew Chem Int Ed, 2026
DOI: 10.1002/anie.7079252