Browsing NTNU Open by Author "Kim, Hee-Je"

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    • Hematite microdisks as an alternative anode material for lithium-ion batteries 

      Balasingam, Suresh Kannan; Kundu, Manab; Balamuralitharan, Balakrishnan; Kim, Hee-Je; Svensson, Ann Mari; Jayasayee, Kaushik (Journal article; Peer reviewed, 2019)
      In this work, hematite microdisks (500 nm to 1 μm in diameter, ∼200 nm in thickness) have been synthesized by a facile hydrothermal method which exhibited good cycling stability at a current density of 200 mA g−1 and ...

    • Sulfur and nitrogen-doped graphene quantum dots/PANI nanocomposites for supercapacitors 

      Kuzhandaivel, Hemalatha; Manickam, Sornalatha; Balasingam, Suresh Kannan; Franklin, Manik Clinton; Kim, Hee-Je; Nallathambi, Karthick Sivalingam (Peer reviewed; Journal article, 2021)
      Sulfur and nitrogen-doped graphene quantum dots/polyaniline (S,N-GQDP) nanocomposites are prepared by a two-step synthesis method. The heteroatoms (sulfur and nitrogen) doped graphene quantum dots (S,N-GQDs) are first ...