The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Rational Integration of Polypropylene/Graphene Oxide/Nafion as Ternary‐Layered Separator to Retard the Shuttle of Polysulfides for Lithium–Sulfur Batteries
Abstract
The reversible electrochemical transformation from lithium (Li) and sulfur (S) into Li 2 S through multielectron reactions can be utilized in secondary Li–S batteries with very high energy density. However, both the low Coulombic efficiency and severe capacity degradation limits the full utilization of active sulfur, which hinders the practical applications of Li–S battery system. The present study reports a ternary‐layered separator with a macroporous polypropylene (PP) matrix layer, graphene oxide (GO) barrier layer, and Nafion retarding layer as the separator for Li–S batteries with high Coulombic efficiency and superior cyclic stability. In the ternary‐layered separator, ultrathin layer of GO (0.0032 mg cm−2, estimated to be around 40 layers) blocks the macropores of PP matrix, and a dense ion selective Nafion layer with a very low loading amount of 0.05 mg cm−2 is attached as a retarding layer to suppress the crossover of sulfur‐containing species. The ternary‐layered separators are effective in improving the initial capacity and the Coulombic efficiency of Li–S cells from 969 to 1057 mAh g−1, and from 80% to over 95% with an LiNO 3‐free electrolyte, respectively. The capacity degradation is reduced from 0.34% to 0.18% per cycle within 200 cycles when the PP separator is replaced by the ternary‐layered separators. This work provides the rational design strategy for multifunctional separators at cell scale to effective utilizing of active sulfur and retarding of polysulfides, which offers the possibility of high energy density Li–S cells with long cycling life.
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Cites
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Self-citation
Cited by
Porous membranes in secondary battery technologies
Lu, W., Yuan, Z., Zhao, Y., Zhang, H., Zhang, H., & Li, X. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00823b · Cited by 479
Interface Engineering for Lithium Metal Anodes in Liquid Electrolyte
Zhai, P., Liu, L., Gu, X., Wang, T., & Gong, Y. (2020) · Advanced Energy Materials · doi:10.1002/aenm.202001257 · Cited by 380
Engineering Oxygen Vacancies in a Polysulfide‐Blocking Layer with Enhanced Catalytic Ability
Li, Z., Zhou, C., Hua, J., Hong, X., Sun, C., Li, H., Xu, X., & Mai, L. (2020) · Advanced Materials · doi:10.1002/adma.201907444 · Cited by 292
A review on separators for lithium sulfur battery: Progress and prospects
Deng, N., Kang, W., Liu, Y., Ju, J., Wu, D., Li, L., Hassan, B. S., & Cheng, B. (2016) · Journal of Power Sources · doi:10.1016/j.jpowsour.2016.09.044 · Cited by 267
Graphene oxide: An emerging electromaterial for energy storage and conversion
Tian, Y., Yu, Z., Cao, L., Zhang, X. L., Sun, C., & Wang, D.-W. (2021) · Journal of Energy Chemistry · doi:10.1016/j.jechem.2020.07.006 · Cited by 240
Metadata
- Authors
- Zhuang, T., Huang, J., Peng, H., He, L., Cheng, X., Chen, C., & Zhang, Q.
- Venue
- Small
- Publisher
- Wiley
- Published
- 2015-12-07
- Volume
- 12
- Issue
- 3
- Pages
- 381-389
- ISSN
- 1613-6810 (ISSN-L)
- 1613-6829
- OpenAlex
- W2192720991
- Cited by
- 346
- References
- 46
- FWCI
- 19.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhuang, T., Huang, J., Peng, H., He, L., Cheng, X., Chen, C., & Zhang, Q. (2016). Rational Integration of Polypropylene/Graphene Oxide/Nafion as Ternary‐Layered Separator to Retard the Shuttle of Polysulfides for Lithium–Sulfur Batteries. Small. https://doi.org/10.1002/smll.201503133
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