The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Oxocarbon Salts for Fast Rechargeable Batteries
Abstract
Oxocarbon salts (M 2(CO)n) prepared through one‐pot proton exchange reactions with different metal ions (M=Li, Na, K) and frameworks (n=4, 5, 6) have been rationally designed and used as electrodes in rechargeable Li, Na, and K‐ion batteries. The results show that M 2(CO)5/M 2(CO)6 salts can insert two or four metal ions reversibly, while M 2(CO)4 shows less electrochemical activity. Especially, we discover that the K 2 C 6 O 6 electrode enables ultrafast potassium‐ion insertion/extraction with 212 mA h g−1 at 0.2 C and 164 mA h g−1 at 10 C. This behavior can be ascribed to the natural semiconductor property of K 2 C 6 O 6 with a narrow band gap close to 0.9 eV, the high ionic conductivity of the K‐ion electrolyte, and the facilitated K‐ion diffusion process. Moreover, a first example of a K‐ion battery with a rocking‐chair reaction mechanism of K 2 C 6 O 6 as cathode and K 4 C 6 O 6 as anode is introduced, displaying an operation voltage of 1.1 V and an energy density of 35 Wh kg−1. This work provides an interesting strategy for constructing rapid K‐ion batteries with renewable and abundant potassium materials.
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Cites
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Challenges Facing Lithium Batteries and Electrical Double‐Layer Capacitors
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Carbon Electrodes for K-Ion Batteries
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Nickel Hexacyanoferrate Nanoparticle Electrodes For Aqueous Sodium and Potassium Ion Batteries
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Cited by
Zhao, Q., Zhu, Z., & Chen, J. (2017) · Advanced Materials · doi:10.1002/adma.201607007 · Cited by 341
Self-citationWang, X., Li, H., Li, H., Lin, S., Bai, J., Dai, J., Liang, C., Zhu, X., Sun, Y., & Dou, S. (2019) · Journal of Materials Chemistry A · doi:10.1039/c8ta11249e · Cited by 211
Metadata
- Authors
- Zhao, Q., Wang, J., Lu, Y., Li, Y., Liang, G., & Chen, J.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2016-09-08
- Volume
- 55
- Issue
- 40
- Pages
- 12528-12532
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2518384237
- Cited by
- 308
- References
- 40
- FWCI
- 16.16
- Type
- journal article
- Language
- en
- Open access
- closed
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