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Highly efficient oxygen evolution reaction via facile bubble transport realized by three-dimensionally stack-printed catalysts

Authors
  • Kim, Ye Ji1
  • Lim, Ahyoun2
  • Kim, Jong Min3
  • Lim, Donghoon4
  • Chae, Keun Hwa5
  • Cho, Eugene N.1
  • Han, Hyeuk Jin1
  • Jeon, Ki Ung1
  • Kim, Moohyun1
  • Lee, Gun Ho1
  • Lee, Gyu Rac1
  • Ahn, Hyun S.4
  • Park, Hyun S.2
  • Kim, Hyoungsoo1
  • Kim, Jin Young2
  • Jung, Yeon Sik1
  • 1 Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea , Daejeon (South Korea)
  • 2 Center for Hydrogen & Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea , Seoul (South Korea)
  • 3 Materials Architecturing Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea , Seoul (South Korea)
  • 4 Yonsei University, Seoul, 03722, Republic of Korea , Seoul (South Korea)
  • 5 Advanced Analysis Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea , Seoul (South Korea)
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Oct 01, 2020
Volume
11
Issue
1
Identifiers
DOI: 10.1038/s41467-020-18686-0
Source
Springer Nature
License
Green

Abstract

Improved design of three-dimensionally nanostructured catalysts for oxygen evolution reaction (OER) can play a key role in maximizing the catalytic performance. Here, the authors show that woodpile-structured iridium consisting of 3D-printed, highly-ordered nanowire building blocks significantly improve OER mass activity.

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