4.3 Article

Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 34, Pages 12619-12621

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm12511g

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Funding

  1. National Research Foundation of Korea (NRF) [K20704000003TA050000310]
  2. Korean Ministry of Education, Science and Technology (MEST)
  3. Ministry of Education, Science and Technology [R31-10092]
  4. National Research Foundation of Korea [2010-00114, R31-2011-000-10092-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Si nanowires (SiNWs)-carbon nanofibers (CNFs) branched structures with variation in carbon densities were synthesized. SiNWs with critical density of CNFs show the best electrochemical performance, which is attributed to increase in free volume around the SiNWs as well as a buffering role of the branched CNFs against large volumetric change during cycling.

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