| Recent research trends in perfluoropolyether for energy device applications: a mini review |
Sathyanarayanan Shanmugapriya1, Myeong Gon Kim2,4, Sejin Im1, Yujin Jeong1, Subramani Surendran1, Tae‑Eon Park1, Young‑Hoon Yun3, Hyunjung Lee1, Tae‑Hoon Kim4, Uk Sim1,5,6
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1Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH), 200 Hyeoksin-ro, Naju, Jeonnam, 58330, Republic of Korea
2Korea Occupational Safety and Health Agency (KOSHA), 7th Fl, 42, Chilpae-ro, Jung-Gu, Seoul, 04512, Republic of Korea
3Department of New and Renewable Energy, Dongshin University, Jeonnam, 58245, Republic of Korea
4Department of Materials Science and Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
5Research Institute, NEEL Sciences, INC., Jeollanamdo, 58326, Republic of Korea
6Center for Energy Storage System, Chonnam National University, Gwangju, 61186, Republic of Korea |
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Received: June 23, 2023; Revised: August 29, 2023 Accepted: September 1, 2023. Published online: October 2, 2023.
*Sathyanarayanan Shanmugapriya and Myeong Gon Kim contributed equally to this work. |
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| ABSTRACT |
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Fluorinated polymers are a significant class of functional materials in the field of polymer chemistry. Endowed with remarkable properties, such as high chemical and solvent resistance, enhanced electrical properties, high thermal and electrochemical stability, and low surface energy, they find potential applications in various fields such as chemical processing, electrical/electronic industries, automotive/aircraft industries, medical instrumentations, consumer products, and energy storage or conversion devices. Among a wide variety of commercially significant fluorinated polymers, perfluoropolyether (PFPE) plays a substantial role in energy applications because of its super-hydrophobicity, non-crystallinity, non-flammability, low toxicity, and gas-permeability features. This review briefly confers the properties, production, and significant studies of perfluoropolyether as electrolytes in batteries, followed by a detailed discussion on their role as solid electrolyte interphase (SEI) in metal-ion batteries, oxygen selective membrane (OSM) in metal–air batteries, and as a hydrophobic coating for gas diffusion electrodes in fuel cell applications. Besides, other energy-related applications of PFPE that open up the future scopes of perfluoropolyether in the field of energy storage and conversion devices are also presented. |
| Key words:
Fluoropolymer · Perfuoropolyether · Electrolyte · Battery · Gas difusion electrode · Fuel cell |
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