4.8 Article

LiFePO4 with an alluaudite crystal structure for lithium ion batteries

Journal

ENERGY & ENVIRONMENTAL SCIENCE
Volume 6, Issue 3, Pages 830-834

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee24393a

Keywords

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Funding

  1. Energy Efficiency and Resources R&D program under the Ministry of Knowledge Economy, Republic of Korea [20112020100070]
  2. Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant
  3. Korea government Ministry of Knowledge Economy [20114010203120]
  4. Supercomputing Center/Korea Institute of Science and Technology Information [KSC-2011-C2-51]
  5. World Premier Materials grant
  6. Korean Ministry of Knowledge Economy
  7. Fundamental R&D Program for Technology of World Premier Materials (WPM)
  8. Korea government Ministry of Knowledge Economy
  9. National Nuclear R&D Program through the National Research Foundation of Korea (NRF)
  10. Ministry of Education, Science and Technology [2012M2B2A4029335]
  11. Industrial Strategic Technology Development Program [10038617]
  12. Ministry of Knowledge Economy (MKE, KOREA)
  13. Korea Evaluation Institute of Industrial Technology (KEIT) [20112020100070] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  14. National Research Foundation of Korea [2012M2B2A4029335, 2013-PAL] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A novel Na-pillared LiFePO4 with an alluaudite structure is reported and its structure is investigated. The alluaudite-LiFePO4 allowed fast lithium diffusion with stable electrochemical cycling in lithium batteries. similar to 0.8 Li+ could be extracted and reinserted reversibly for extended cycles via one-phase reaction in contrast to the well-known two-phase reaction in olivine-LiFePO4.

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