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Gamma-aminobutyric acid-functionalized naphthalene diimide for aqueous organic flow batteries.
Shahsavan, Mahsa; Wiberg, Cedrik; Peljo, Pekka.
  • Shahsavan M; Research Group of Battery Materials and Technologies, Department of Mechanical and Materials Engineering, Faculty of Technology, University of Turku, 20014 Turku, Finland. pekka.peljo@utu.fi.
  • Wiberg C; Research Group of Battery Materials and Technologies, Department of Mechanical and Materials Engineering, Faculty of Technology, University of Turku, 20014 Turku, Finland. pekka.peljo@utu.fi.
  • Peljo P; Research Group of Battery Materials and Technologies, Department of Mechanical and Materials Engineering, Faculty of Technology, University of Turku, 20014 Turku, Finland. pekka.peljo@utu.fi.
Chem Commun (Camb) ; 58(91): 12692-12695, 2022 Nov 15.
Article en En | MEDLINE | ID: mdl-36305205
ABSTRACT
An anionic gamma-aminobutyric acid-functionalized naphthalene diimide (GABA-NDI) was investigated for its possible application in flow batteries. A GABA-NDI/ferrocyanide flow battery was stable over 200 cycles and demonstrated an average coulombic efficiency of 99.96% and an excellent energy efficiency of 80.9% at 60 mA cm-2 while accessing 95% of the theoretical capacity of GABA-NDI. An increase in solubility and stability was achieved compared to previous studies.