Novel proton conductors in the layered oxide material LixlAl0.5Co0.5O2

Rong Lan; Shanwen Tao

doi:10.1002/aenm.201301683

Novel proton conductors in the layered oxide material Li_xlAl_0.5Co_0.5O₂

Rong Lan, Shanwen Tao

Chemical And Process Engineering

Research output: Contribution to journal › Article

30 Citations (Scopus)

Abstract

It is demonstrated that good proton conductors can be obtained in transition-element-rich layered intercalation materials such as LixAl0.5Co0.5O2. A power density of 173 mW cm−2 is achieved at 525 °C with a thick electrolyte (0.79 mm thick). The ionic conductivity of nominal LiAl0.5Co0.5O2 is 0.1 S cm−1 at 500 °C. This is the highest among known polycrystalline proton-conducting materials.

Original language	English
Number of pages	6
Journal	Advanced Energy Materials
Early online date	14 Jan 2014
DOIs	https://doi.org/10.1002/aenm.201301683
Publication status	E-pub ahead of print - 14 Jan 2014

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Keywords

conductivity
fuel cells
layered materials
oxides
proton-conducting materials

Cite this

Lan, R., & Tao, S. (2014). Novel proton conductors in the layered oxide material Li_xlAl_0.5Co_0.5O₂. Advanced Energy Materials. https://doi.org/10.1002/aenm.201301683

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AB - It is demonstrated that good proton conductors can be obtained in transition-element-rich layered intercalation materials such as LixAl0.5Co0.5O2. A power density of 173 mW cm−2 is achieved at 525 °C with a thick electrolyte (0.79 mm thick). The ionic conductivity of nominal LiAl0.5Co0.5O2 is 0.1 S cm−1 at 500 °C. This is the highest among known polycrystalline proton-conducting materials.

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KW - fuel cells

KW - layered materials

KW - oxides

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10.1002/aenm.201301683

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