Journal
ELECTROCHEMICAL ENERGY REVIEWS
Volume 1, Issue 4, Pages 548-566Publisher
SPRINGERNATURE
DOI: 10.1007/s41918-018-0019-7
Keywords
Renewable energy; Electrochemical energy storage; Potassium-ion battery; Cathode material; 82; 45; Fk Electrodes; 88; 80; F- Energy storage technologies; 88; 80; f Batteries
Categories
Funding
- Ministry of Science and Technology of the People's Republic of China [2016YFB0100103, 2017YFA0206704]
- National Program on Key Basic Research Project of China [2014CB932300]
- Technology and Industry for National Defence of the People's Republic of China [JCKY2016130B010]
- National Natural Science Foundation of China [51522101, 51471075, 51631004, 51401084]
- China Postdoctoral Science Foundation [2016M601395]
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Rechargeable potassium-ion batteries (KIBs) are potential alternatives to lithium-ion batteries for application in large-scale energy storage systems due to their inexpensive and highly abundant resources. Recently, various anode materials have been investigated for use in KIBs, especially the traditional graphite anodes which have already been successfully applied in KIBs. In contrast, the appropriate cathode materials which are able to accommodate large K ions are urgently needed. In this review, a comprehensive summary of the latest advancements in cathode materials for non-aqueous KIBs in terms of capacity, cycle life and energy density will be presented, as well as K-storage mechanisms. In addition, various strategies to improve K-storage performance will be provided through combining insights from the study of material structures and properties and thus bring low-cost non-aqueous KIBs a step closer to application in sustainable large-scale energy storage systems. Graphical Abstract
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