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Highly active nanostructured CoS2/CoS heterojunction electrocatalysts for aqueous polysulfide/iodide redox flow batteries
Open accessAbstract
Aqueous polysulfide/iodide redox flow batteries are attractive for scalable energy storage due to their high energy density and low cost. However, their energy efficiency and power density are usually limited by poor electrochemical kinetics of the redox reactions of polysulfide/iodide ions on graphite electrodes, which has become the main obstacle for their practical applications. Here, CoS 2/CoS heterojunction nanoparticles with uneven charge distribution, which are synthesized in situ on graphite felt by a one-step solvothermal process, can significantly boost electrocatalytic activities of I−/I 3− and S 2−/S x2− redox reactions by improving absorptivity of charged ions and promoting charge transfer. The polysulfide/iodide flow battery with the graphene felt-CoS 2/CoS heterojunction can deliver a high energy efficiency of 84.5% at a current density of 10 mA cm−2, a power density of 86.2 mW cm−2 and a stable energy efficiency retention of 96% after approximately 1000 h of continuous operation.
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Cited by
Ni, S., Qu, H., Xu, Z., Zhu, X., Xing, H., Wang, L., Yu, J., Liu, H., Chen, C., & Yang, L. (2021) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2021.120638 · Cited by 401
Sulfur-Based Aqueous Batteries: Electrochemistry and Strategies
Liu, J., Zhou, W., Zhao, R., Yang, Z., Li, W., Chao, D., Qiao, S.-Z., & Zhao, D. (2021) · Journal of the American Chemical Society · doi:10.1021/jacs.1c06923 · Cited by 313
Historical development and novel concepts on electrolytes for aqueous rechargeable batteries
Chen, S., Zhang, M., Zou, P., Sun, B., & Tao, S. (2022) · Energy & Environmental Science · doi:10.1039/d2ee00004k · Cited by 308
Yun, X., Lu, T., Zhou, R., Lu, Z., Li, J., & Zhu, Y. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.131328 · Cited by 228
Lv, X., Wan, S., Mou, T., Han, X., Zhang, Y., Wang, Z., & Tao, X. (2023) · Advanced Functional Materials · doi:10.1002/adfm.202205161 · Cited by 145
Metadata
- Authors
- Ma, D., Hu, B., Wu, W., Liu, X., Zai, J., Shu, C., Tadesse Tsega, T., Chen, L., Qian, X., & Liu, T. L.
- Venue
- Nature Communications
- Published
- 2019-07-29
- Volume
- 10
- Issue
- 1
- Pages
- 3367-3367
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2965255951
- Cited by
- 400
- References
- 0
- FWCI
- 12.95
- Type
- journal article
- Language
- en
- Open access
- gold
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- The paper
- Ma, D., Hu, B., Wu, W., Liu, X., Zai, J., Shu, C., Tadesse Tsega, T., Chen, L., Qian, X., & Liu, T. L. (2019). Highly active nanostructured CoS2/CoS heterojunction electrocatalysts for aqueous polysulfide/iodide redox flow batteries. Nature Communications. https://doi.org/10.1038/s41467-019-11176-y
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