First-Principles Investigation of Charged Germagraphene as a Cathode Material for Dual-Carbon Batteries

Burcu Yilmaz, Minoru Otani, Tatsumi Ishihara, Taner Akbay

研究成果: ジャーナルへの寄稿学術誌査読

抄録

As part of the concerted effort for development of energy storage technologies, dual-ion batteries (DIBs) or dual-carbon batteries (DCBs) are attracting interest, owing primarily to their eco-friendly active materials. The use of carbon as the active materials of DCBs brings about several challenges involving capacity and stability. This contribution aims to provide an in-depth understanding of the structural and electronic properties of Ge-doped graphene (Germagraphene) as a novel cathode material for DCBs. Density functional theory (DFT) calculations are combined with the effective screening medium (ESM) method for analyzing the electronic and band structure of PF6 anion-adsorbed Germagraphene under a potential bias. These theoretical investigations indicate that the use of Ge as a dopant for graphene has a positive impact on the adsorption of the anion on the cathode under both neutral and electrically biased conditions.

本文言語英語
論文番号e202201639
ジャーナルChemSusChem
16
4
DOI
出版ステータス出版済み - 2月 20 2023

!!!All Science Journal Classification (ASJC) codes

  • 環境化学
  • 化学工学一般
  • 材料科学一般
  • エネルギー一般

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