Effect of morphology of electrodeposited Ni catalysts on the behavior of bubbles generated during the oxygen evolution reaction in alkaline water electrolysis

Sang Hyun Ahn; Insoo Choi; Hee-Young Park; Seung Jun Hwang; Sung Jong Yoo; EunAe Cho; Hyoung-Juhn Kim; Dirk Henkensmeier; Suk Woo Nam; Soo-Kil Kim; Jong Hyun Jang

doi:10.1039/C3CC44891F

Effect of morphology of electrodeposited Ni catalysts on the behavior of bubbles generated during the oxygen evolution reaction in alkaline water electrolysis†

Sang Hyun Ahn,^a Insoo Choi,^a Hee-Young Park,^a Seung Jun Hwang,^a Sung Jong Yoo,^a EunAe Cho,^a Hyoung-Juhn Kim,^a Dirk Henkensmeier,^a Suk Woo Nam,^a Soo-Kil Kim*^b and Jong Hyun Jang*^a

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^a Fuel Cell Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seoungbuk-gu, Seoul 136-791, Republic of Korea
E-mail: jhjang@kist.re.kr
Fax: +82 2 958 5199
Tel: +82 2 958 5287

^b School of Integrative Engineering, Chung-Ang University, 84, Heukseokno, Dongjak-Gu, Seoul, Republic of Korea
E-mail: sookilkim@cau.ac.kr
Fax: +82 2 814 2651
Tel: +82 2 820 5770

Abstract

We have investigated the release of active sites blocked by bubbles attached on the surface of catalysts during the oxygen evolution reaction (OER) in alkaline water electrolysis, via the modulation of the wetting properties of the four different morphologies of a nickel catalyst.

Chemical Communications

Effect of morphology of electrodeposited Ni catalysts on the behavior of bubbles generated during the oxygen evolution reaction in alkaline water electrolysis†

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Effect of morphology of electrodeposited Ni catalysts on the behavior of bubbles generated during the oxygen evolution reaction in alkaline water electrolysis

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