4.7 Article

A magnesiothermic reaction process for the scalable production of mesoporous silicon for rechargeable lithium batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 60, Pages 6743-6745

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc43134g

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Funding

  1. Program for New Century Excellent Talents in University [NCET-10-0595]
  2. Key Basic Research Projects of Science and Technology Commission of Shanghai [11JC1412900]
  3. Scientific Research Foundation for Returned Scholars, the Ministry of Education of China
  4. National Science Foundation of China [21271140]
  5. U.S. Department of Energy, Office of Basic Energy Sciences [DE-SC0002245]

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Mesoporous, 3-D, nanocrystalline Si has been synthesized via the magnesiothermic reduction of SiO particles at a peak temperature of only 500 degrees C in a scalable flow-through reactor setup. Such 3-D porous Si as an anode material exhibited high, reversible capacities (i.e., >900 mA h g(-1) after 160 charge-discharge cycles at 1000 mA g(-1)).

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