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A high-performance Te@CMK-3 composite negative electrode for Na rechargeable batteries

Journal Article


Abstract


  • Abstract: We report a new class of high-capacity chalcogen���carbon composite negative electrodes for Na rechargeable batteries, consisting of tellurium-infiltrated ordered mesoporous carbon CMK-3. Its unparalleled electric conductivity makes Te a promising electrode material with high-capacity utilization. The rechargeable cell Na/Te@CMK-3, using a carbonate-based electrolyte, exhibited a large stable capacity of ~ 320��mA��h��(g-Te)���1 at 0.2��C with an excellent rate capability (55% of the theoretical specific capacity at 2��C-rate), and long-term cyclability (> 500 cycles), as well as 100% coulombic efficiency. Our study evidences the great potential of mesoporous carbon-encapsulated Te materials concepts as a new class of high-performance chalcogen-based electrode materials for Na rechargeable batteries. Graphical abstract: [Figure not available: see fulltext.].

Publication Date


  • 2018

Citation


  • Koketsu, T., Wu, C., Huang, Y., & Strasser, P. (2018). A high-performance Te@CMK-3 composite negative electrode for Na rechargeable batteries. Journal of Applied Electrochemistry, 48(11), 1265-1271. doi:10.1007/s10800-018-1249-4

Scopus Eid


  • 2-s2.0-85051827352

Web Of Science Accession Number


Start Page


  • 1265

End Page


  • 1271

Volume


  • 48

Issue


  • 11

Place Of Publication


Abstract


  • Abstract: We report a new class of high-capacity chalcogen���carbon composite negative electrodes for Na rechargeable batteries, consisting of tellurium-infiltrated ordered mesoporous carbon CMK-3. Its unparalleled electric conductivity makes Te a promising electrode material with high-capacity utilization. The rechargeable cell Na/Te@CMK-3, using a carbonate-based electrolyte, exhibited a large stable capacity of ~ 320��mA��h��(g-Te)���1 at 0.2��C with an excellent rate capability (55% of the theoretical specific capacity at 2��C-rate), and long-term cyclability (> 500 cycles), as well as 100% coulombic efficiency. Our study evidences the great potential of mesoporous carbon-encapsulated Te materials concepts as a new class of high-performance chalcogen-based electrode materials for Na rechargeable batteries. Graphical abstract: [Figure not available: see fulltext.].

Publication Date


  • 2018

Citation


  • Koketsu, T., Wu, C., Huang, Y., & Strasser, P. (2018). A high-performance Te@CMK-3 composite negative electrode for Na rechargeable batteries. Journal of Applied Electrochemistry, 48(11), 1265-1271. doi:10.1007/s10800-018-1249-4

Scopus Eid


  • 2-s2.0-85051827352

Web Of Science Accession Number


Start Page


  • 1265

End Page


  • 1271

Volume


  • 48

Issue


  • 11

Place Of Publication