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Kim, Guntae
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Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, PEMFC, metal-air batteries, Metal-CO2 system, Catalyst for DRM

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Effect of Deformation on Electrochemical Performance of Aluminum-Air Battery

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Title
Effect of Deformation on Electrochemical Performance of Aluminum-Air Battery
Author
Listyawan, Timothy AlexanderLee, HansolLee, Yoon HoBaek, Jong DaeKim, GuntaePark, NokeunChang, Ikwhang
Issue Date
2020-06
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.167, no.10, pp.100505
Abstract
In this paper, the dependency on the metal deformation of the anode and electrochemical performance in an Al-air battery is investigated. We notably find a strong dependency in which the electrochemical performance is significantly governed by the dislocation density of the metal. Three specimens of different dislocation densities are prepared through a cold-rolling press: (i) 3.0 x 10(15) m(-2), (ii) 6.5 x 10(15) m(-2), and (iii) 19 x 10(15) m(-2). The peak power densities of the three Al-air batteries show 252, 219 and 174 mWcm(-2), respectively. We conclude that the high mechanical properties (i.e., high dislocation density and hardness) are related to the electrochemical performances in Al-air battery. (C) 2020 The Electrochemical Society ("ECS"). Published on behalf of ECS by IOP Publishing Limited.
URI
https://scholarworks.unist.ac.kr/handle/201301/49128
URL
https://iopscience.iop.org/article/10.1149/1945-7111/ab95c4
DOI
10.1149/1945-7111/ab95c4
ISSN
0013-4651
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