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Slurryless Li2S/Reduced Graphene Oxide Cathode Paper for High-Performance Lithium Sulfur Battery
Abstract
Lithium sulfide (Li2S) is a promising cathode material for Li-S batteries with high capacity (theoretically 1166 mAh g(-1)) and can be paired with nonlithium-metal anodes to avoid potential safety issues. However, the cycle life of coarse Li2S particles suffers from poor electronic conductivity and polysulfide shuttling. Here, we develop a flexible slurryless nano-Li2S/reduced graphene oxide cathode paper (nano-Li2S/rGO paper) by simple drop-coating. The Li2S/rGO paper can be directly used as a free-standing and binder-free cathode without metal substrate, which leads to significant weight savings. It shows excellent rate capability (up to 7 C) and cycle life in coin cell tests due to the high electron conductivity, flexibility, and strong solvent absorbency of rGO paper. The Li2S particles that precipitate out of the solvent on rGO have diameters 25-50 nm, which is in contrast to the 3-5 μm coarse Li2S particles without rGO.
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Cited by
Cao, J., Chen, C., Zhao, Q., Zhang, N., Lu, Q., Wang, X., Niu, Z., & Chen, J. (2016) · Advanced Materials · doi:10.1002/adma.201602262 · Cited by 339
Self-citationInterface engineering toward stable lithium–sulfur batteries
Guo, Y., Niu, Q., Pei, F., Wang, Q., Zhang, Y., Du, L., Zhang, Y., Zhang, Y., Zhang, Y., Fan, L., et al. (2024) · Energy & Environmental Science · doi:10.1039/d3ee04183b · Cited by 322
Self-citationHe, J., Chen, Y., Lv, W., Wen, K., Xu, C., Zhang, W., Qin, W., & He, W. (2016) · ACS Energy Letters · doi:10.1021/acsenergylett.6b00272 · Cited by 172
Metadata
- Authors
- Wang, C., Wang, X., Yang, Y., Kushima, A., Chen, J., Huang, Y., & Li, J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-02-05
- Volume
- 15
- Issue
- 3
- Pages
- 1796-1802
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2324518336
- Cited by
- 261
- References
- 0
- FWCI
- 21.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Slurryless Li2S/Reduced Graphene Oxide Cathode Paper for High-Performance Lithium Sulfur Battery. https://app.cochat.ai/papers/10.1021/acs.nanolett.5b00112
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- Wang, C., Wang, X., Yang, Y., Kushima, A., Chen, J., Huang, Y., & Li, J. (2015). Slurryless Li2S/Reduced Graphene Oxide Cathode Paper for High-Performance Lithium Sulfur Battery. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b00112
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