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Title: Characterization of vanadium ion uptake in sulfonated diels alder poly(phenylene) membranes

Abstract

Sulfonated diels alder poly(phenylene) (SDAPP), alternative aromatic hydrocarbon membranes for vanadium redox flow batteries (VRFBs) are characterized using electron paramagnetic resonance (EPR). Membranes soaked in sulfuric acid and vanadyl sulfate are analyzed to determine the membrane environment in which the vanadyl ion (VO2+) diffuses in the membranes. These results are compared to Nafion 117 membranes. In contrast to Nafion, the VO2+ in SDAPP membranes exists in two different environments. The results of analysis of rotational diffusion determined from fits the EPR spectral lineshapes in comparison with previously reported permeation studies and measurements of partitioning functions reported here suggest that the diffusion pathways in SDAPP are very different than in Nafion.

Authors:
 [1];  [1];  [2];  [1];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1234345
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 163; Journal Issue: 1; Journal ID: ISSN 0013-4651
Publisher:
The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Lawton, Jamie, Jones, Amanda, Tang, Zhijiang, Lindsey, Melanie, and Zawodzinski, Thomas A. Characterization of vanadium ion uptake in sulfonated diels alder poly(phenylene) membranes. United States: N. p., 2015. Web. doi:10.1149/2.0291601jes.
Lawton, Jamie, Jones, Amanda, Tang, Zhijiang, Lindsey, Melanie, & Zawodzinski, Thomas A. Characterization of vanadium ion uptake in sulfonated diels alder poly(phenylene) membranes. United States. https://doi.org/10.1149/2.0291601jes
Lawton, Jamie, Jones, Amanda, Tang, Zhijiang, Lindsey, Melanie, and Zawodzinski, Thomas A. 2015. "Characterization of vanadium ion uptake in sulfonated diels alder poly(phenylene) membranes". United States. https://doi.org/10.1149/2.0291601jes. https://www.osti.gov/servlets/purl/1234345.
@article{osti_1234345,
title = {Characterization of vanadium ion uptake in sulfonated diels alder poly(phenylene) membranes},
author = {Lawton, Jamie and Jones, Amanda and Tang, Zhijiang and Lindsey, Melanie and Zawodzinski, Thomas A},
abstractNote = {Sulfonated diels alder poly(phenylene) (SDAPP), alternative aromatic hydrocarbon membranes for vanadium redox flow batteries (VRFBs) are characterized using electron paramagnetic resonance (EPR). Membranes soaked in sulfuric acid and vanadyl sulfate are analyzed to determine the membrane environment in which the vanadyl ion (VO2+) diffuses in the membranes. These results are compared to Nafion 117 membranes. In contrast to Nafion, the VO2+ in SDAPP membranes exists in two different environments. The results of analysis of rotational diffusion determined from fits the EPR spectral lineshapes in comparison with previously reported permeation studies and measurements of partitioning functions reported here suggest that the diffusion pathways in SDAPP are very different than in Nafion.},
doi = {10.1149/2.0291601jes},
url = {https://www.osti.gov/biblio/1234345}, journal = {Journal of the Electrochemical Society},
issn = {0013-4651},
number = 1,
volume = 163,
place = {United States},
year = {Sat Nov 28 00:00:00 EST 2015},
month = {Sat Nov 28 00:00:00 EST 2015}
}

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Cited by: 13 works
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Works referenced in this record:

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Works referencing / citing this record:

The Structure–Activity Relationship in Membranes for Vanadium Redox Flow Batteries
journal, May 2019


Critical Review—Experimental Diagnostics and Material Characterization Techniques Used on Redox Flow Batteries
journal, January 2018