TY - JOUR
T1 - Influence of renewable energy power fluctuations on water electrolysis for green hydrogen production
AU - Kojima, Hirokazu
AU - Nagasawa, Kensaku
AU - Todoroki, Naoto
AU - Ito, Yoshikazu
AU - Matsui, Toshiaki
AU - Nakajima, Ryo
N1 - Funding Information:
We thank Prof. Kazunari Sasaki at Kyushu University, Research Advisor Ko Sakata at the Institute of Applied Energy, Director Takashi Shimadzu at Toyota Central R&D Labs., Inc., Dr. Hideyuki Takagi at National Institute of Advanced Industrial Science and Technology, Dr. Hirohide Furutani at National Institute of Advanced Industrial Science and Technology, Prof. Ryuji Matsuhashi at the University of Tokyo, Prof. Shigenori Mitsushima at Yokohama National University for their valuable advice. This work was supported by the Toyota Mobility Foundation ( TMF ).
Funding Information:
We thank Prof. Kazunari Sasaki at Kyushu University, Research Advisor Ko Sakata at the Institute of Applied Energy, Director Takashi Shimazu at Toyota Central R&D Labs. Inc. Dr. Hideyuki Takagi at National Institute of Advanced Industrial Science and Technology, Dr. Hirohide Furutani at National Institute of Advanced Industrial Science and Technology, Prof. Ryuji Matsuhashi at the University of Tokyo, Prof. Shigenori Mitsushima at Yokohama National University for their valuable advice. This work was supported by the Toyota Mobility Foundation (TMF).
Publisher Copyright:
© 2022 The Author(s)
PY - 2023/2/8
Y1 - 2023/2/8
N2 - The development of renewable energy technologies is essential to achieve carbon neutrality. Hydrogen can be stably stored and transported in large quantities to maximize power utilization. Detailed understanding of the characteristics and operating methods of water electrolysis technologies, in which naturally intermittent fluctuating power is used directly, is required for green hydrogen production, because fluctuating power-driven water electrolysis processes significantly differ from industrial water electrolysis processes driven by steady grid power. Thus, it is necessary to overcome several issues related to the direct use of fluctuating power. This article reviews the characteristics of fluctuating power and its generation as well as the current status and issues related to the operation conditions, water electrolyzer configuration, system requirements, stack/catalyst durability, and degradation mechanisms under the direct use of fluctuating power sources. It also provides an accelerated degradation test protocol method for fair catalyst performance comparison and share of effective design directions. Finally, it discusses potential challenges and recommendations for further improvements in water electrolyzer components and systems suitable for practical use, suggesting that a breakthrough could be realized toward the achievement of a sustainable hydrogen-based society.
AB - The development of renewable energy technologies is essential to achieve carbon neutrality. Hydrogen can be stably stored and transported in large quantities to maximize power utilization. Detailed understanding of the characteristics and operating methods of water electrolysis technologies, in which naturally intermittent fluctuating power is used directly, is required for green hydrogen production, because fluctuating power-driven water electrolysis processes significantly differ from industrial water electrolysis processes driven by steady grid power. Thus, it is necessary to overcome several issues related to the direct use of fluctuating power. This article reviews the characteristics of fluctuating power and its generation as well as the current status and issues related to the operation conditions, water electrolyzer configuration, system requirements, stack/catalyst durability, and degradation mechanisms under the direct use of fluctuating power sources. It also provides an accelerated degradation test protocol method for fair catalyst performance comparison and share of effective design directions. Finally, it discusses potential challenges and recommendations for further improvements in water electrolyzer components and systems suitable for practical use, suggesting that a breakthrough could be realized toward the achievement of a sustainable hydrogen-based society.
KW - Carbon neutrality
KW - Durability
KW - Hydrogen
KW - Renewable energy
KW - Water electrolyzer
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U2 - 10.1016/j.ijhydene.2022.11.018
DO - 10.1016/j.ijhydene.2022.11.018
M3 - Review article
AN - SCOPUS:85142448869
SN - 0360-3199
VL - 48
SP - 4572
EP - 4593
JO - International Journal of Hydrogen Energy
JF - International Journal of Hydrogen Energy
IS - 12
ER -
