Vertically aligned nanocomposite La0.8Sr0.2CoO3/(La0.5Sr0.5)2CoO4 cathodes – electronic structure, surface chemistry and oxygen reduction kinetics

Wen Ma; Jae Jin Kim; Nikolai Tsvetkov; Takeshi Daio; Yener Kuru; Zhuhua Cai; Yan Chen; Kazunari Sasaki; Harry L. Tuller; Bilge Yildiz

doi:10.1039/c4ta04993d

JOURNAL ARTICLE

Vertically aligned nanocomposite La_0.8Sr_0.2CoO₃/(La_0.5Sr_0.5)₂CoO₄ cathodes – electronic structure, surface chemistry and oxygen reduction kinetics

Wen Ma Jae Jin Kim Nikolai Tsvetkov Takeshi Daio Yener Kuru Zhuhua Cai Yan Chen Kazunari Sasaki Harry L. Tuller Bilge Yildiz

Year: 2014 Journal: Journal of Materials Chemistry A Vol: 3 (1)Pages: 207-219 Publisher: Royal Society of Chemistry

DOI: 10.1039/c4ta04993d

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Abstract

A vertically aligned nanocomposite cathode, made of La_0.8Sr_0.2CoO₃/(La_0.5Sr_0.5)₂CoO₄, increases oxygen reduction kinetics by 10-fold and has better surface stability compared to its single phase constituents at 320–400 °C.

Keywords:

Materials science Nanocomposite Analytical Chemistry (journal) Crystallography Mineralogy Kinetics Nanotechnology Chemistry Physics

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Electronic and Structural Properties of Oxides

Physical Sciences → Materials Science → Materials Chemistry

Advancements in Solid Oxide Fuel Cells

Physical Sciences → Materials Science → Materials Chemistry

Semiconductor materials and devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Vertically aligned nanocomposite La_0.8Sr_0.2CoO₃/(La_0.5Sr_0.5)₂CoO₄ cathodes – electronic structure, surface chemistry and oxygen reduction kinetics

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Vertically aligned nanocomposite La0.8Sr0.2CoO3/(La0.5Sr0.5)2CoO4 cathodes – electronic structure, surface chemistry and oxygen reduction kinetics

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