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Comparison of Electrospun Carbon−Carbon Composite and Commercial Felt for Their Activity and Electrolyte Utilization in Vanadium Redox Flow Batteries

Title data

Fetyan, Abdulmonem ; Schneider, Jonathan ; Schnucklake, Maike ; El-Nagar, Gumaa A. ; Banerjee, Rupak ; Bevilacqua, Nico ; Zeis, Roswitha ; Roth, Christina:
Comparison of Electrospun Carbon−Carbon Composite and Commercial Felt for Their Activity and Electrolyte Utilization in Vanadium Redox Flow Batteries.
In: ChemElectroChem. Vol. 6 (2019) Issue 1 . - pp. 130-135.
ISSN 2196-0216
DOI: https://doi.org/10.1002/celc.201801128

Abstract in another language

A low cost highly active carbon−carbon composite fiber felt was produced by electrospinning a mixture of polyacrylonitrile and carbon black powder using poly acrylic acid as a binder for high carbon black loading. The newly designed high‐surface area electrode material showed promising results for use as electrode material for both the negative and positive half‐cell of vanadium redox flow batteries. Battery test results demonstrated promising performance for the electrospun carbon fibers at current densities below 60 mA cm−2, but were less active at higher values. The microstructure of the felt was characterized by X‐ray computed tomography to obtain the porous pathways, which facilitate electrolyte transport. The obtained results will help us to understand the role of porosity in the performance of the battery and to consequently improve the design of the carbon‐filled electrospun material.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Electrochemical Process Engineering > Chair Electrochemical Process Engineering - Univ.-Prof. Dr. Christina Roth
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 28 Apr 2021 10:00
Last Modified: 28 Apr 2021 10:00
URI: https://eref.uni-bayreuth.de/id/eprint/64959