期刊
CHEMICAL SCIENCE
卷 12, 期 40, 页码 13248-13272出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1sc04023e
关键词
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资金
- Environment and Conservation Fund of the Hong Kong Special Administrative Region, China [ECF 100/2019]
- Seed and Startup Fund - Department of Mechanical Engineering and Faculty of Engineering at the University of Hong Kong [201904185007]
The development of next-generation battery technologies is driven by the increasing demand for energy storage on a larger scale. Efforts to improve safety issues in commercial liquid electrolytes have focused on developing ion-selective polymers. These polymers offer advantages in battery operation, such as minimizing cell polarization and dendrite growth.
As lithium-ion batteries have been the state-of-the-art electrochemical energy storage technology, the overwhelming demand for energy storage on a larger scale has triggered the development of next-generation battery technologies possessing high energy density, longer cycle lives, and enhanced safety. However, commercial liquid electrolytes have been plagued by safety issues due to their flammability and instability in contact with electrodes. Efforts have focused on developing such electrolytes by covalently immobilizing anionic groups onto a polymer backbone, which only allows Li+ cations to be mobile through the polymer matrix. Such ion-selective polymers provide many advantages over binary ionic conductors in battery operation, such as minimization of cell polarization and dendrite growth. In this review, the design, synthesis, fabrication, and class are reviewed to give insight into the physicochemical properties of single-ion conducting polymer electrolytes. The standard characterization method and remarkable electrochemical properties are further highlighted, and perspectives on current challenges and future directions are also discussed.
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