4.6 Article

Reversible lithium storage in manganese and cobalt 1,2,4,5-benzenetetracarboxylate metal-organic framework with high capacity

Journal

RSC ADVANCES
Volume 6, Issue 66, Pages 61319-61324

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra07727g

Keywords

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Funding

  1. Large Instruments Open Foundation of East China Normal University
  2. Basic research Project of Shanghai Science and Technology Committee [14JC1491000]
  3. National Natural Science Foundation of China for Excellent Young Scholars [21522303]
  4. National Natural Science Foundation of China [21373086]
  5. National High Technology Research and Development Program of China [2014AA123401]
  6. National Key Basic Research Program of China [2013CB921800]
  7. Shanghai Synchrotron Radiation Facility (SSRF)

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Metal-organic frameworks (MOFs), are explosively developed as electrode materials for lithium-ion batteries. Mn-BTC MOF possessed low cycling stability. We therefore attempted to improve the electrochemical properties by doping cobalt into the Mn-BTC. Cobalt doped MnCo-BTC MOF greatly improved the cycling stability compared with Mn-BTC. A high capacity of 901 mA h g(-1) could be obtained for MnCo-BTC at a rate of 100 mA g(-1) after 150 cycles. Even at a high rate of 500 mA g(-1), its capacity can still reach 445.3 mA h g(-1) after 100 cycles.

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