期刊
JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES
卷 6, 期 3, 页码 338-350出版社
VIETNAM NATL UNIV
DOI: 10.1016/j.jsamd.2021.06.002
关键词
Hydrogel; Supercapacitor; Mechanical properties; Energy storage; Supplying power
资金
- National Natural Science Foundation of China [51975101]
- National Key Research and Development Program [2018YFA0703200]
Hydrogel-based supercapacitors with excellent mechanical properties can provide a durable and reliable power source for truly wearable electronics. The high ionic conductivity of hydrogel electrolyte components allows for additional functions such as ultrahigh stretchability, strong self-healability, and low-temperature tolerance, making these multifunctional supercapacitors suitable for various extreme working environments.
Hydrogel-based supercapacitors with excellent mechanical properties can overcome several unsettled challenges that current wearable power supply devices confront as a result of the distinctive dense intriguing nanostructures of hydrogels, which serve as an ideal candidate with durability and reliability for supplying power to truly wearable electronics. More importantly, benefiting from the broadly tunable physicochemical characterizations, the hydrogel electrolyte components with high ionic conductivity could possess several additional functions including ultrahigh stretchability, strong self-healability, and low-temperature tolerance, which qualifies these multifunctional supercapacitors for application in a variety of extreme working environments, especially in significant deformations caused by humanmotion, conditions of applied destructive external force, and extremely frigid circumstances. Herein, the state-of-the-art advanced multifunctional supercapacitors are discussed, focusing on the introductions and explanations of particularly functionalized hydrogel electrolytes, ultra-flexible textile-based electrodes or hydrogel-based electrodes, and the combination strategies of electrolytes and electrodes. (C) 2021 The Authors. Publishing services by Elsevier B.V. on behalf of Vietnam National University, Hanoi.
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