Carbon Nanotube Web with Carboxylated Polythiophene "assist" for High-Performance Battery Electrodes

Yo Han Kwon, Jung Jin Park, Lisa M. Housel, Krysten Minnici, Guoyan Zhang, Sujin R. Lee, Seung Woo Lee, Zhongming Chen, Suguru Noda, Esther S. Takeuchi, Kenneth J. Takeuchi, Amy C. Marschilok, Elsa Reichmanis

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    A carbon nanotube (CNT) web electrode comprising magnetite spheres and few-walled carbon nanotubes (FWNTs) linked by the carboxylated conjugated polymer, poly[3-(potassium-4-butanoate) thiophene] (PPBT), was designed to demonstrate benefits derived from the rational consideration of electron/ion transport coupled with the surface chemistry of the electrode materials components. To maximize transport properties, the approach introduces monodispersed spherical Fe3O4 (sFe3O4) for uniform Li+ diffusion and a FWNT web electrode frame that affords characteristics of long-ranged electronic pathways and porous networks. The sFe3O4 particles were used as a model high-capacity energy active material, owing to their well-defined chemistry with surface hydroxyl (-OH) functionalities that provide for facile detection of molecular interactions. PPBT, having a π-conjugated backbone and alkyl side chains substituted with carboxylate moieties, interacted with the FWNT π-electron-rich and hydroxylated sFe3O4 surfaces, which enabled the formation of effective electrical bridges between the respective components, contributing to efficient electron transport and electrode stability. To further induce interactions between PPBT and the metal hydroxide surface, polyethylene glycol was coated onto the sFe3O4 particles, allowing for facile materials dispersion and connectivity. Additionally, the introduction of carbon particles into the web electrode minimized sFe3O4 aggregation and afforded more porous FWNT networks. As a consequence, the design of composite electrodes with rigorous consideration of specific molecular interactions induced by the surface chemistries favorably influenced electrochemical kinetics and electrode resistance, which afforded high-performance electrodes for battery applications.

    Original languageEnglish
    Pages (from-to)3126-3139
    Number of pages14
    JournalACS Nano
    Volume12
    Issue number4
    DOIs
    Publication statusPublished - 2018 Apr 24

    Fingerprint

    Carbon Nanotubes
    electric batteries
    Carbon nanotubes
    carbon nanotubes
    Electrodes
    electrodes
    Polymers
    Thiophenes
    thiophenes
    Thiophene
    potassium
    Potassium
    molecular interactions
    chemistry
    Molecular interactions
    Surface chemistry
    Ferrosoferric Oxide
    electrons
    electrode materials
    polythiophene

    Keywords

    • carbon particle
    • Fe-carboxylate bond
    • FWNT web electrode
    • monodispersed spherical iron oxide
    • PEG coating
    • poly[3-(potassium-4-butanoate) thiophene] (PPBT)
    • surface chemistry

    ASJC Scopus subject areas

    • Materials Science(all)
    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    Kwon, Y. H., Park, J. J., Housel, L. M., Minnici, K., Zhang, G., Lee, S. R., ... Reichmanis, E. (2018). Carbon Nanotube Web with Carboxylated Polythiophene "assist" for High-Performance Battery Electrodes. ACS Nano, 12(4), 3126-3139. https://doi.org/10.1021/acsnano.7b08918

    Carbon Nanotube Web with Carboxylated Polythiophene "assist" for High-Performance Battery Electrodes. / Kwon, Yo Han; Park, Jung Jin; Housel, Lisa M.; Minnici, Krysten; Zhang, Guoyan; Lee, Sujin R.; Lee, Seung Woo; Chen, Zhongming; Noda, Suguru; Takeuchi, Esther S.; Takeuchi, Kenneth J.; Marschilok, Amy C.; Reichmanis, Elsa.

    In: ACS Nano, Vol. 12, No. 4, 24.04.2018, p. 3126-3139.

    Research output: Contribution to journalArticle

    Kwon, YH, Park, JJ, Housel, LM, Minnici, K, Zhang, G, Lee, SR, Lee, SW, Chen, Z, Noda, S, Takeuchi, ES, Takeuchi, KJ, Marschilok, AC & Reichmanis, E 2018, 'Carbon Nanotube Web with Carboxylated Polythiophene "assist" for High-Performance Battery Electrodes', ACS Nano, vol. 12, no. 4, pp. 3126-3139. https://doi.org/10.1021/acsnano.7b08918
    Kwon, Yo Han ; Park, Jung Jin ; Housel, Lisa M. ; Minnici, Krysten ; Zhang, Guoyan ; Lee, Sujin R. ; Lee, Seung Woo ; Chen, Zhongming ; Noda, Suguru ; Takeuchi, Esther S. ; Takeuchi, Kenneth J. ; Marschilok, Amy C. ; Reichmanis, Elsa. / Carbon Nanotube Web with Carboxylated Polythiophene "assist" for High-Performance Battery Electrodes. In: ACS Nano. 2018 ; Vol. 12, No. 4. pp. 3126-3139.
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    AU - Zhang, Guoyan

    AU - Lee, Sujin R.

    AU - Lee, Seung Woo

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