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Title: Aqua-vanadyl ion interaction with Nafion® membranes

Lack of comprehensive understanding about the interactions between Nafion membrane and battery electrolytes prevents the straightforward tailoring of optimal materials for redox flow battery applications. In this work, we analyzed the interaction between aqua-vanadyl cation and sulfonic sites within the pores of Nafion membranes using combined theoretical and experimental X-ray spectroscopic methods. Molecular level interactions, namely, solvent share and contact pair mechanisms are discussed based on Vanadium and Sulfur K-edge spectroscopic analysis.
 [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Energy and Environmental Directorate
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
Publication Date:
OSTI Identifier:
Report Number(s):
Journal ID: ISSN 2296-598X; 48374; TE1400000
Grant/Contract Number:
AC05-76RL01830; AC02-76SF00515
Accepted Manuscript
Journal Name:
Frontiers in Energy Research
Additional Journal Information:
Journal Volume: 3; Journal ID: ISSN 2296-598X
Frontiers Research Foundation
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23);USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
25 ENERGY STORAGE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY ion exchange membrane; redox flow battery; X-ray absorption spectroscopy; TD-DFT; ; Environmental Molecular Sciences Laboratory