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Potassium–Sulfur Batteries: A New Member of Room-Temperature Rechargeable Metal–Sulfur Batteries
Abstract
We report room-temperature rechargeable potassium-sulfur (K-S) batteries using ordered mesoporous carbon (CMK-3)/sulfur and polyanilime (PANI) coated CMK-3/sulfur composites as the cathode and metallic potassium as the anode. The electrochemical reaction mechanism was investigated by electrochemical tests, TEM, XRD, and Raman spectra. It was found that K-S batteries delivered two reduction peaks located at about 2.1 and 1.8 V and one oxidation peak at about 2.2 V, respectively. Meanwhile, K2S3 was the major discharge product that could be charged to reversibly form S and K ion. Through optimization of sulfur content, the CMK-3/sulfur composite with 40.8 wt % S displayed an initial discharge capacity of 512.7 mAh g(-1) and a capacity of 202.3 mAh g(-1) after 50 cycles at a current density of 50 mA g(-1). A coating of conductive polyanilime (PANI) on the CMK-3/sulfur composite is effective in enhancing the cycling performance. In comparison, PANI@CMK-3/sulfur composite showed a capacity of 329.3 mAh g(-1) after 50 cycles at 50 mA g(-1). The results shed light on the basic study of rechargeable K-S batteries.
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Cites
Ni1-xPtx (x = 0−0.12) Hollow Spheres as Catalysts for Hydrogen Generation from Ammonia Borane
Cheng, F., Ma, H., Li, Y., & Chen, J. (2007) · Inorganic Chemistry · doi:10.1021/ic061712e · Cited by 349
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Cited by
Approaching high-performance potassium-ion batteries via advanced design strategies and engineering
Zhang, W., Liu, Y., & Guo, Z. (2019) · Science Advances · doi:10.1126/sciadv.aav7412 · Cited by 1,158
An Initial Review of the Status of Electrode Materials for Potassium‐Ion Batteries
Pramudita, J. C., Sehrawat, D., Goonetilleke, D., & Sharma, N. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201602911 · Cited by 1,045
Potassium Ion Batteries with Graphitic Materials
Luo, W., Wan, J., Ozdemir, B., Bao, W., Chen, Y., Dai, J., Lin, H., Xu, Y., Gu, F., Barone, V., et al. (2015) · Nano Letters · doi:10.1021/acs.nanolett.5b03667 · Cited by 929
An Overview and Future Perspectives of Aluminum Batteries
Elia, G. A., Marquardt, K., Hoeppner, K., Fantini, S., Lin, R., Knipping, E., Peters, W., Drillet, J., Passerini, S., & Hahn, R. (2016) · Advanced Materials · doi:10.1002/adma.201601357 · Cited by 890
Current Status and Future Prospects of Metal–Sulfur Batteries
Chung, S., & Manthiram, A. (2019) · Advanced Materials · doi:10.1002/adma.201901125 · Cited by 622
Metadata
- Authors
- Zhao, Q., Hu, Y., Zhang, K., & Chen, J.
- Venue
- Inorganic Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-08-13
- Volume
- 53
- Issue
- 17
- Pages
- 9000-9005
- ISSN
- 0020-1669 (ISSN-L)
- 1520-510X
- OpenAlex
- W2319922597
- Cited by
- 199
- References
- 1
- FWCI
- 4.78
- Type
- journal article
- Language
- en
- Open access
- closed
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