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Investigation on Smbasrcofeo Double Perovskite as an Oxygen Electrode for Reversible Solid Oxide Fuel Cell

SSRN, ISSN: 1556-5068
2023
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Article Description

Solid oxide fuel cells (SOFCs) are contemplated as promising power generation systems due to their higher energy conversion efficiency, low emissions, and multi-fuel capability. It is crucial to develop reversible SOFC (RSOFC), which can produce hydrogen when operated as an electrolyzer and electricity when utilized as a power source. There has been a lot of interest in the development of reversible SOFC (RSOFC) as they can be operated in (i) fuel cell mode to produce electricity and (ii) electrolyzer mode to produce hydrogen. However, the conventional oxygen electrode degrades when operated in RSOFC mode. To address this issue, double perovskites have been explored as promising cathode electrodes in RSOFC with proton conducting electrolyte YSZ as the electrolyte. In the present study, SmBaSrCoFeO (SBSCF) double perovskite is explored as the oxygen electrode using YSZ as the electrolyte. The (SBSCF) has been successfully synthesized using a simple and cost-effective solution combustion technique as the oxygen electrode for RSOFC. The structural, morphological and electrical conductivity of SBSCF powder and the electrochemical performance of SOFC containing SBSCF as cathode material are discussed. The performance of the cell in the electrolyzer mode is also discussed.

Bibliographic Details

R. Packiaraj; A. Sreelakshmi; J. Ramya; S. Senthil Kumar Senthil; Singanahally T. Aruna

Elsevier BV

Multidisciplinary; Reversible; SOFC; Double perovskite; Stability; Reversibility; Conductivity

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