Recent advances in zinc-ion hybrid energy storage: Coloring high-power capacitors with battery-level energy |
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| Institution: | 1. Department of Chemistry, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China;2. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;1. Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China;2. College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China;3. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;1. Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China;2. School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China;3. College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China;4. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China |
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| Abstract: | Zinc-ion hybrid capacitors (ZICs) are considered as newly-emerging and competitive candidates for energy storage devices due to the integration of characteristic capacitor-level power and complementary battery-level energy. The practical application of rising ZICs still faces the specific capacity and dynamics mismatch between the two electrodes with different energy storage mechanisms, which cannot meet the ever-growing indicator demand for portable electronic displays and public traffic facilities. Focusing on these unresolved issues, this mini-review presents recent advances in ZICs referring to the hybrid energy storage mechanism, design strategies of both capacitor-type and battery-type electrode materials, and electrolyte research toward advanced performances (e.g., high operational potential, wide adaptive temperature). Finally, current challenges and future outlook have been proposed to guide further exploration of next-generation ZICs with a combination of high-power delivery, high-energy output and high-quality service durability. |
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