• Enhanced activated carbon lithium-ion capacitor electrochemical stability through electrolyte dielectric optimisation 

      Eleri, Obinna Egwu; Pires, Julie; Huld, Frederik Thorbjørn; Lu, Song; Schweigart, Philipp; Svensson, Ann Mari; Lou, Fengliu; Yu, Zhixin (Peer reviewed; Journal article, 2023)
      Interactions between electrolyte constituents and active materials strongly influence the capacity, energy density, and cycling stability of energy storage devices. In this study, the role of electrolyte dielectric on the ...
    • Revealing mechanisms of activated carbon capacity fade in lithium-ion capacitors 

      Eleri, Obinna Egwu; Huld, Frederik Thorbjørn; Pires, Julie; Tucho, Wakshum Mekonnen; Schweigart, Philipp; Svensson, Ann Mari; Lou, Fengliu; Yu, Zhixin (Peer reviewed; Journal article, 2023)
      The capacity fade mechanism of activated carbon (AC) electrode in Li-ion electrolyte was studied via electrochemical impedance spectroscopy (EIS) and post-mortem electrode characterizations at different stages of electrochemical ...
    • Revisiting Polytetrafluorethylene Binder for Solvent-Free Lithium-Ion Battery Anode Fabrication 

      Zhang, Yang; Huld, Frederik; Lu, Song; Jektvik, Camilla; Lou, Fenliu; Yu, Zhixin (Journal article; Peer reviewed, 2022)
      Solvent-free (SF) anodes with different carbon materials (graphite, hard carbon, and soft carbon) were fabricated to investigate the stability of different anodes with polytetrafluorethylene (PTFE) degradation. The graphite ...
    • Synthesis of Carbon Nanofibers and Carbon Nanotubes 

      Yu, Zhixin (Doktoravhandlinger ved NTNU, 1503-8181; 2005:18, Doctoral thesis, 2005)
      Carbon nanofibers (CNFs) and carbon nanotubes (CNTs) have attracted intense research efforts with the expectation that these materials may have many unique properties and potential applications. The most promising way for ...