期刊
CRYSTALS
卷 12, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/cryst12081140
关键词
potassium-ion batteries (PIBs); commercial carbons; reversible capacity; cyclability; rate capability
资金
- Freshman Annual Project of Harbin Institute of Technology (Shenzhen) [2021F0028]
- National Natural Science Foundation of China [52002094]
- School Research Startup Expenses of Harbin Institute of Technology (Shenzhen) [DD29100027, DD45001022]
- Shenzhen Science and Technology Program [JCYJ20210324121411031, JSGG202108021253804014, RCBS20210706092218040]
This study evaluates the performance of five commercially available carbon materials as anodes for potassium-ion batteries. The evaluation includes reversible capacity, cyclability, coulombic efficiency, and rate capability. This research contributes to the development of potassium-ion batteries for practical applications.
Potassium-ion battery, a key analog of lithium-ion battery, is attracting enormous attentions owing to the abundant reserves and low cost of potassium salts, and the electrochemically reversible insertion/extraction of the K-ion within the commercial graphite inspires a research spotlight in searching and designing suitable carbon electrode materials. Herein, five commercially available carbons are selected as the anode material, and the K-ion storage capability is comparably evaluated from various aspects, including reversible capacity, cyclability, coulombic efficiency, and rate capability. This work may boost the development of potassium-ion batteries from a viewpoint of practical applications.
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