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Visualization of aquaionic splitting via iron corrosion

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Title: Visualization of aquaionic splitting via iron corrosion
Authors: Murakami, Shuntaro Browse this author
Zhang, Lihua Browse this author
Watanabe, Seiichi Browse this author →KAKEN DB
Issue Date: 3-Feb-2020
Publisher: Nature
Journal Title: Scientific Reports
Volume: 10
Issue: 1726
Start Page: 1
End Page: 9
Publisher DOI: 10.1038/s41598-020-58707-y
Abstract: We report a water decomposition mode called ‘Aquaionic Splitting (AiS)’ by means of iron corrosion in aqueous solution. In this paper, we investigated the phenomenon by controlling the reaction between iron and water. A pseudo-sacrificial protection method with oil paint was employed to select the anode and cathode formation locations that govern iron corrosion. Then, the AiS reaction was visualized by using BTB solution, whose colour corresponds to pH, to produce colour patterning that corresponds to the aquaion distribution. It has become clear that water can be selectively separated into protons and hydroxide ions by corrosion control treatment. In this vein, the diffusion coefficient of protons was estimated by using the colour patterning of BTB solution that accompanies iron corrosion, and aquaion distribution was then computer simulated by solving the diffusion equation.
Type: article
Appears in Collections:エネルギー・マテリアル融合領域研究センター (Center for Advanced Research of Energy and Material) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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