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Unveiling Entropy‐Driven Performance Enhancement in Double Perovskite Oxygen Electrodes for Protonic Ceramic Electrochemical Cells (Adv. Energy Mater. 47/2025)

Year: 2025

Type: article

Abstract: Protonic Ceramic Electrochemical Cells In article number 2503176, Kang Taek Lee and co-workers reveal that entropy-driven lattice disorder in a multicomponent double perovskite optimizes defect chemistry and proton transport. This entropy-engineered oxygen electrode exhibits superior oxygen kinetics and structural stability, achieving record-high reversible performance in protonic ceramic electrochemical cells for efficient power and hydrogen generation.

Source: Advanced Energy Materials

DOI: 10.1002/aenm.70435

Authors: Seeun Oh, Incheol Jeong, Dongyeon Kim, Hyeonggeun Kim, Ki‐Min Roh, Kang Taek Lee

Institutions: Korea Advanced Institute of Science and Technology, Korea Institute of Geoscience and Mineral Resources

Language: English

Topic: Advancements in Solid Oxide Fuel Cells

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

SDG: Affordable and clean energy

Open Access status: bronze

OpenAlex ID: W4417358755

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