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A Graphene-like Oxygenated Carbon Nitride Material for Improved Cycle-Life Lithium/Sulfur Batteries
Abstract
Novel sulfur (S) anchoring materials and the corresponding mechanisms for suppressing capacity fading are urgently needed to advance the performance of Li/S batteries. Here, we designed and synthesized a graphene-like oxygenated carbon nitride (OCN) host material that contains tens of micrometer scaled two-dimensional (2D) rippled sheets, micromesopores, and oxygen heteroatoms. N content can reach as high as 20.49 wt %. A sustainable approach of one-step self-supporting solid-state pyrolysis (OSSP) was developed for the low-cost and large-scale production of OCN. The urea in solid sources not only provides self-supporting atmospheres but also produces graphitic carbon nitride (g-C3N4) working as 2D layered templates. The S/OCN cathode can deliver a high specific capacity of 1407.6 mA h g(-1) at C/20 rate with 84% S utilization and retain improved reversible capacity during long-term cycles at high current density. The increasing micropores, graphitic N, ether, and carboxylic O at the large sized OCN sheet favor S utilization and trapping for polysulfides.
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Citations
Cited by
Ong, W.-J., Tan, L.-L., Ng, Y. H., Yong, S.-T., & Chai, S.-P. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00075 · Cited by 7,147
Designing high-energy lithium–sulfur batteries
Seh, Z. W., Sun, Y., Zhang, Q., & Cui, Y. (2016) · Chemical Society Reviews · doi:10.1039/c5cs00410a · Cited by 2,573
Emerging Two-Dimensional Nanomaterials for Electrocatalysis
Jin, H., Guo, C., Liu, X., Liu, J., Vasileff, A., Jiao, Y., Zheng, Y., & Qiao, S.-Z. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00689 · Cited by 2,029
Self-citationRecent advances in carbon nanomaterial-based adsorbents for water purification
Gusain, R., Kumar, N., & Ray, S. S. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2019.213111 · Cited by 566
Song, J., Yu, Z., Gordin, M. L., & Wang, D. (2016) · Nano Letters · doi:10.1021/acs.nanolett.5b03217 · Cited by 561
Metadata
- Authors
- Liu, J., Li, W., Duan, L., Li, X., Ji, L., Geng, Z., Huang, K., Lu, L., Zhou, L., Liu, Z., Chen, W., Liu, L., Feng, S., & Zhang, Y.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-07-09
- Volume
- 15
- Issue
- 8
- Pages
- 5137-5142
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W827064138
- Cited by
- 401
- References
- 0
- FWCI
- 24.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, J., Li, W., Duan, L., Li, X., Ji, L., Geng, Z., Huang, K., Lu, L., Zhou, L., Liu, Z., Chen, W., Liu, L., Feng, S., & Zhang, Y. (2015). A Graphene-like Oxygenated Carbon Nitride Material for Improved Cycle-Life Lithium/Sulfur Batteries. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b01919
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