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Tailoring the MAX phase additive for enhanced electrochemical performance of high Ni layered oxide composite electrode

Journal of Energy Storage, ISSN: 2352-152X, Vol: 74, Page: 109379
2023
  • 3
    Citations
  • 0
    Usage
  • 1
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

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  • Citations
    3
  • Captures
    1
  • Mentions
    1
    • News Mentions
      1
      • 1

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Studies from Research Institute of Industrial Science and Technology Provide New Data on Energy Storage (Tailoring the Max Phase Additive for Enhanced Electrochemical Performance of High Ni Layered Oxide Composite Electrode)

2023 DEC 27 (NewsRx) -- By a News Reporter-Staff News Editor at South Korea Daily Report -- A new study on Energy - Energy Storage

Article Description

The new strategy of MAX phase application in the LIB's cathode composite with high nickel content was suggested in this work. Two MAX phase candidates – TSC and TAC (Ti 3 SiC 2 and Ti 3 AlC 2, respectively) – with outstanding electronic conductivity were used as LiNi 0.85 Co 0.10 Mn 0.05 O 2 -cathode composite (NCM) additive in amount of 1 % by weight. Structural and morphology monitoring was conducted on each stage of NCM-modification, performed by wet route with post-heat treatment of active material (AM). We found the optimal post-heat temperature (400 °C) to prepare TSC-composite electrode with the enhanced cycling stability – its capacity retention was 96 % and 89 % after 50 cycles at room and elevated temperature of cycling test, respectively. Based on the morphology of MAX phases milled particles with flaky shape, oxidation stability evaluation and electrode resistance measurements we presented here the mechanism of MAX-phase influence on electrochemical performance of high Ni layered oxide electrode composite.

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