Water splitting by dimensionally stable anode prepared through micro-arc oxidation

Sowoon Shin; Yong Wook Choi; Jinsub Choi

doi:10.1016/j.matlet.2013.04.065

Water splitting by dimensionally stable anode prepared through micro-arc oxidation

Sowoon Shin, Yong Wook Choi, Jinsub Choi

Inha University

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Dimensionally stable electrode (DSA) was prepared by coating Ru ⁴⁺ and Ir⁴⁺ on various anodic TiO₂ substrates. The TiO₂ substrates were prepared using three anodization techniques; micro-arc oxidation, synthesis of TiO₂ nanotubes and formation of a barrier layer. Micro-arc oxidation at high potential produced irregular micropores. With nanotube synthesis, well-defined nanotubular pores were formed at relatively low potentials. To form the barrier layer, an oxide film was prepared in a single H₃PO₄ solution. Among the DSAs synthesized on the anodic substrates, the micropore structures showed the lowest overpotential for O₂ evolution, indicating this DSA to be most suitable as an electrode for water splitting.

Original language	English
Pages (from-to)	117-119
Number of pages	3
Journal	Materials Letters
Volume	105
DOIs	https://doi.org/10.1016/j.matlet.2013.04.065
State	Published - 2013

Bibliographical note

Funding Information:
This study was supported by a New & Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20113030040010 ).

Keywords

Anodization
Electrolysis
Micro-arc oxidation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.matlet.2013.04.065

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title = "Water splitting by dimensionally stable anode prepared through micro-arc oxidation",

abstract = "Dimensionally stable electrode (DSA) was prepared by coating Ru 4+ and Ir4+ on various anodic TiO2 substrates. The TiO2 substrates were prepared using three anodization techniques; micro-arc oxidation, synthesis of TiO2 nanotubes and formation of a barrier layer. Micro-arc oxidation at high potential produced irregular micropores. With nanotube synthesis, well-defined nanotubular pores were formed at relatively low potentials. To form the barrier layer, an oxide film was prepared in a single H3PO4 solution. Among the DSAs synthesized on the anodic substrates, the micropore structures showed the lowest overpotential for O2 evolution, indicating this DSA to be most suitable as an electrode for water splitting.",

keywords = "Anodization, Electrolysis, Micro-arc oxidation",

author = "Sowoon Shin and Choi, {Yong Wook} and Jinsub Choi",

note = "Funding Information: This study was supported by a New & Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20113030040010 ).",

year = "2013",

doi = "10.1016/j.matlet.2013.04.065",

language = "English",

volume = "105",

pages = "117--119",

journal = "Materials Letters",

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publisher = "Elsevier B.V.",

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T1 - Water splitting by dimensionally stable anode prepared through micro-arc oxidation

AU - Shin, Sowoon

AU - Choi, Yong Wook

AU - Choi, Jinsub

N1 - Funding Information: This study was supported by a New & Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20113030040010 ).

PY - 2013

Y1 - 2013

N2 - Dimensionally stable electrode (DSA) was prepared by coating Ru 4+ and Ir4+ on various anodic TiO2 substrates. The TiO2 substrates were prepared using three anodization techniques; micro-arc oxidation, synthesis of TiO2 nanotubes and formation of a barrier layer. Micro-arc oxidation at high potential produced irregular micropores. With nanotube synthesis, well-defined nanotubular pores were formed at relatively low potentials. To form the barrier layer, an oxide film was prepared in a single H3PO4 solution. Among the DSAs synthesized on the anodic substrates, the micropore structures showed the lowest overpotential for O2 evolution, indicating this DSA to be most suitable as an electrode for water splitting.

AB - Dimensionally stable electrode (DSA) was prepared by coating Ru 4+ and Ir4+ on various anodic TiO2 substrates. The TiO2 substrates were prepared using three anodization techniques; micro-arc oxidation, synthesis of TiO2 nanotubes and formation of a barrier layer. Micro-arc oxidation at high potential produced irregular micropores. With nanotube synthesis, well-defined nanotubular pores were formed at relatively low potentials. To form the barrier layer, an oxide film was prepared in a single H3PO4 solution. Among the DSAs synthesized on the anodic substrates, the micropore structures showed the lowest overpotential for O2 evolution, indicating this DSA to be most suitable as an electrode for water splitting.

KW - Anodization

KW - Electrolysis

KW - Micro-arc oxidation

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U2 - 10.1016/j.matlet.2013.04.065

DO - 10.1016/j.matlet.2013.04.065

M3 - Article

AN - SCOPUS:84878149276

SN - 0167-577X

VL - 105

SP - 117

EP - 119

JO - Materials Letters

JF - Materials Letters

ER -

Water splitting by dimensionally stable anode prepared through micro-arc oxidation

Abstract

Bibliographical note

Keywords

UN SDGs

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