Results 161 to 170 of about 6,226 (220)

Nano carbon/fluoroelastomer composite bipolar plate for a vanadium redox flow battery (VRFB)

Composite Structures, 2017
Abstract The energy storage system (ESS) is widely investigated because it can solve various energy-related problems without additional power plants. Among the ESSs, a vanadium redox flow battery (VRFB) is one of the most promising technologies due to its scalability without explosiveness.
Soohyun Nam, Dongyoung Lee, Dai Gil Lee, Jinwhan Kim   +3 more
openaire   +2 more sources

Spectroscopic Study of Vanadium Electrolytes in Vanadium Redox Flow Battery (VRFB)

ECS Transactions, 2013
In this paper, we characterize the absorbance spectra and explain the spectroscopic behavior typically found in VRFB electrolytes at various mixture ratios of VII/VIII and VIV/VV mixtures in H2SO4. We demonstrate that the linear behavior of absorbance with respect to mixture ratio for the anolyte (VII/VIII) can be used to determine mixture ratio.
Xin Gao, Robert Patrick Lynch, Martin J, Leahy, Denis Noel Buckley   +3 more
openaire   +2 more sources

Method approaches to prevent leakage cell stack of vanadium redox flow battery (VRFB)

4th IET Clean Energy and Technology Conference (CEAT 2016), 2016
This paper present the method to solve the leakage problem for a unit cell Vanadium redox flow battery (VRFB) in detecting the several main component involved and depict the weakness matter that causes leakage in order to improve the cell performance of VRFB.
S. Sujali, M.R. Mohamed, S.A. Mad Don, N. Yusoff   +3 more
openaire   +2 more sources

Selective ion transport for a vanadium redox flow battery (VRFB) in nano-crack regulated proton exchange membranes

Journal of Membrane Science, 2019
Abstract To develop new cost-effective and high performance ion exchange membranes (IEMs) for redox flow battery applications, poly(arylene ether sulfone) random copolymer membranes (BPSHs) with surface nano-crack coatings (P-BPSH) were prepared using a hydrophobic atmospheric plasma treatment.
Tongshuai Wang, Sun Ju Moon, Doo-Sung Hwang, Hyunjin Park, Jannice Lee, Seungju Kim, Young Moo Lee, Sangil Kim   +7 more
openaire   +2 more sources

Development of carbon composite bipolar plate (BP) for vanadium redox flow battery (VRFB)

Composite Structures, 2014
Abstract A vanadium redox flow battery (VRFB) is one of the most promising energy storage systems (ESSs) due to its safety, durability and scalability. However, high cost of its components has been obstacle for commercialization of VRFB. Especially, bipolar plates (BPs) which are the main components of VRFB, are fabricated using graphite, which ...
Ki Hyun Kim, Bu Gi Kim, Dai Gil Lee
openaire   +3 more sources

Development of a fluoroelastomer/glass fiber composite flow frame for a vanadium redox flow battery (VRFB)

Composite Structures, 2016
Abstract The stack of a vanadium redox flow battery (VRFB), which is a promising energy storage system (ESS), is composed of flow frames (FFs), carbon felt electrodes, bipolar plates (BPs) and membranes. The components of VRFB are assembled and compacted using flat gaskets or O-rings to seal the highly concentrated vanadium sulfuric electrolyte.
Soohyun Nam, Dongyoung Lee, Jinwhan Kim, Dai Gil Lee   +3 more
openaire   +2 more sources

Ether-free polymeric anion exchange materials with extremely low vanadium ion permeability and outstanding cell performance for vanadium redox flow battery (VRFB) application

Journal of Power Sources, 2019
Abstract Ether-free poly(p-phenylene)-based anion exchange membrane materials with outstanding vanadium ion blocking properties are reported. The synthesized ionomers with a rigid backbone structure show small dimensional variations despite the high ion exchange capacities.
Min Suc Cha, Sang Woo Jo, Seung Hui Han, Soo Hyun Hong, Soonyong So, Tae-Ho Kim, Seong-Geun Oh, Young Taik Hong, Jang Yong Lee   +8 more
openaire   +2 more sources

Polymer Electrolyte Membrane Based on Sulfonated Poly(phenylene oxide) for Vanadium Redox Flow Battery (VRFB)

ECS Meeting Abstracts, 2016
Polymer electrolyte membrane based on sulfonated poly(phenylene oxide) (sPPO) with high proton conductivity is prepared and its characteristics for VRFB are analyzed. Synthesis of sPPO polymer is confirmed by FT-IR and NMR analysis, and the basic properties of polymer electrolyte membrane are tested by DSC, water uptake, and dimensional change.
Sung-Hee Roh, Ho-Young Jung
openaire   +2 more sources

Design and synthesis of highly stable poly(tetrafluoroethylene)-zirconium phosphate (PTFE-ZrP) ion-exchange membrane for vanadium redox flow battery (VRFB)

Ionics, 2017
Vanadium redox flow battery (VRFB) is a promising technology for large-scale renewable energy storage. Design of ion-exchange membrane (IEM) with desired properties like low-cost, mechanically chemically stable, low vanadium ion permeability and high proton conductivity is one of the major challenges.
Murali M. Seepana, Jay Pandey, Anupam Shukla   +2 more
openaire   +2 more sources

Electroless chemical aging of carbon felt electrodes for the all-vanadium redox flow battery (VRFB) investigated by Electrochemical Impedance and X-ray Photoelectron Spectroscopy

Electrochimica Acta, 2017
Abstract Electroless chemical aging of commercially available, porous carbon felt electrodes for the all-vanadium redox flow battery (VRFB) was investigated by full-cell and half-cell measurements in a beaker set-up and a cell with flow-through geometry at different states of charge and different temperatures.
Derr, I., Przyrembel, D., Schweer, J., Fetyan, A., Langner, J., Melke, J., Weinelt, M., Roth, C.   +7 more
openaire   +3 more sources