High performances of  all‐solid‐state  battery with designed composite cathode: An effect of conductive binders with  single‐walled  carbon nanotube additives | Zendy

Kim HeeJoong | Zendy; Lim JinSub | Zendy; Chang DukRye | Zendy

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High performances of all‐solid‐state battery with designed composite cathode: An effect of conductive binders with single‐walled carbon nanotube additives

Author(s) -

Kim HeeJoong,

Lim JinSub,

Chang DukRye

Publication year - 2021

Publication title -

international journal of energy research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.808

H-Index - 95

eISSN - 1099-114X

pISSN - 0363-907X

DOI - 10.1002/er.6588

Subject(s) - carbon nanotube , composite number , cathode , materials science , electrochemistry , battery (electricity) , electrical conductor , chemical engineering , solid state , composite material , conductivity , electrode , chemistry , power (physics) , physics , quantum mechanics , engineering

Summary We designed a composite cathode with a conductive binder (CB) including single‐walled carbon nanotubes (SWCNTs) in an all‐solid‐state battery. We found that the optimal amount of SWCNTs was 3.0% of that in the binder and the electrical conductivity of the CB was 9.06 S cm −1 . We investigated the cell to identify how SWCNTs affect electrochemical performances. The composite cathode with 2.4 mhA cm −2 of high areal capacity exhibited 93.4% of utilization and 94.0% of capacity retention after 50 cycles at 0.5 C under 60°C. Moreover, it performed 80% of the outstanding rate capability at 7.0 C compared to 0.2 C.

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