Theoretical and experimental explored tailored hybrid H+/O2– ions conduction: Bridged for high performance fuel cell and water electrolysis

Zuhra Tayyab,Sajid Rauf,Muhammad Bilal Hanif,Hafiz Imran Ahmad Qazi,Naveed Mushtaq,Martin Motola,Sining Yun,Chen Xia,Dmitry A. Medvedev,Muhammad Imran Asghar,Abdullah N. Alodhayb,Arshad Hussain,Muhammad K. Majeed,Rashid Iqbal,Adil Saleem,Wei Xu,Yatao Yang

Chemical Engineering Journal（2024）

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摘要

•New electrolytes Ba0.5Sr0.5Zr0.9-xGdxY0.1O3-δ (x = 0, 0.05, 0.1) were developed for SOFCs.•Power density of 805 mW cm−2 was achieved by the SOFC with BSZGd0.1Y at 520 °C.•Hybrid H+/O2– conductivity of 0.17 S cm−1 was detected in BSZGd0.1Y at 520 °C.•Crystal structure and electronic property of BSZGd0.1Y were studied by DFT calculation.•Successful demonstration of SOFC and SOEC by using BSZGd0.1Y electrolyte.

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关键词

Solid oxide fuel cell,Gd-doped Ba0.5Sr0.5Zr0.9Y0.1O3-δ,Theoretical calculation,Dual-ion conduction,Solid oxide electrolysis cell,Schottky junction

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