The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
Ether-compatible sulfurized polyacrylonitrile cathode with excellent performance enabled by fast kinetics via selenium doping
Open accessAbstract
Sulfurized polyacrylonitrile is suggested to contain S n (n ≤ 4) and shows good electrochemical performance in carbonate electrolytes for lithium sulfur batteries. However inferior results in ether electrolytes suggest that high solubility of Li 2 S n (n ≤ 4) trumps the limited redox conversion, leading to dissolution and shuttling. Here, we introduce a small amount of selenium in sulfurized polyacrylonitrile to accelerate the redox conversion, delivering excellent performance in both carbonate and ether electrolytes, including high reversible capacity (1300 mA h g−1 at 0.2 A g−1), 84% active material utilization and high rate (capacity up to 900 mA h g−1 at 10 A g−1). These cathodes can undergo 800 cycles with nearly 100% Coulombic efficiency and ultralow 0.029% capacity decay per cycle. Polysulfide dissolution is successfully suppressed by enhanced reaction kinetics. This work demonstrates an ether compatible sulfur cathode involving intermediate Li 2 S n (n ≤ 4), attractive rate and cycling performance, and a promising solution towards applicable lithium-sulfur batteries.
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Cites
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Cited by
Tailoring electrolyte solvation for Li metal batteries cycled at ultra-low temperature
Holoubek, J., Liu, H., Wu, Z., Yin, Y., Xing, X., Cai, G., Yu, S., Zhou, H., Pascal, T. A., Chen, Z., et al. (2021) · Nature Energy · doi:10.1038/s41560-021-00783-z · Cited by 851
Guo, W., Zhang, W., Si, Y., Wang, D., Fu, Y., & Manthiram, A. (2021) · Nature Communications · doi:10.1038/s41467-021-23155-3 · Cited by 268
Metadata
- Authors
- Chen, X., Peng, L., Wang, L., Yang, J., Hao, Z., Xiang, J., Yuan, K., Huang, Y., Shan, B., Yuan, L., & Xie, J.
- Venue
- Nature Communications
- Published
- 2019-03-04
- Volume
- 10
- Issue
- 1
- Pages
- 1021-1021
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2920715038
- Cited by
- 328
- References
- 43
- FWCI
- 13.83
- Type
- journal article
- Language
- en
- Open access
- gold
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- Chen, X., Peng, L., Wang, L., Yang, J., Hao, Z., Xiang, J., Yuan, K., Huang, Y., Shan, B., Yuan, L., & Xie, J. (2019). Ether-compatible sulfurized polyacrylonitrile cathode with excellent performance enabled by fast kinetics via selenium doping. Nature Communications. https://doi.org/10.1038/s41467-019-08818-6
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