Geometry-Induced Asymmetric Vanadium-Ion Permeation of PVDF Membranes and Its Effect on the Performance of Vanadium Redox Flow Batteries

2021 ◽  
Author(s):  
Seonghyun Yoon ◽  
Eunju Lee ◽  
Sang Jun Yoon ◽  
Duk Man Yu ◽  
Young Jin Kim ◽  
...  
Keyword(s):  
Ion Permeation ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Vanadium Redox ◽  
Vanadium Ion

scholarly journals 3D flower-like molybdenum disulfide modified graphite felt as a positive material for vanadium redox flow batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (29) ◽  
pp. 17235-17246
Author(s):  
Lei Wang ◽  
Shuangyu Li ◽  
Dan Li ◽  
Qinhao Xiao ◽  
Wenheng Jing
Keyword(s):  
Ion Transport ◽  
Molybdenum Disulfide ◽  
Open Flower ◽  
Graphite Felt ◽  
Redox Flow Batteries ◽  
Positive Material ◽  
Flow Batteries ◽  
Vanadium Redox ◽  
Vanadium Ion

The open flower-like structure facilitates vanadium ion transport. The capacity and efficiency of a battery using MoS2/GF are dramatically increased.

Doping structure and degradation mechanism of polypyrrole–Nafion® composite membrane for vanadium redox flow batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (105) ◽  
pp. 103332-103336 ◽  
Author(s):  
Qinglong Tan ◽  
Shanfu Lu ◽  
Yang Lv ◽  
Xin Xu ◽  
Jiangju Si ◽  
...  
Keyword(s):  
Composite Membrane ◽  
Degradation Mechanism ◽  
Ion Permeability ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Vanadium Redox ◽  
Enhanced Conductivity ◽  
Vanadium Ion

The proton-acid doping structure of PPY endowed the HPPY–N212 membrane with enhanced conductivity as well as reduced vanadium ion permeability.

A novel polysulfone–polyvinylpyrrolidone membrane with superior proton-to-vanadium ion selectivity for vanadium redox flow batteries

2016 ◽  
Vol 4 (4) ◽  
pp. 1174-1179 ◽  
Author(s):  
Chunxiao Wu ◽  
Shanfu Lu ◽  
Haining Wang ◽  
Xin Xu ◽  
Sikan Peng ◽  
...  
Keyword(s):  
Low Cost ◽  
Ion Selectivity ◽  
Cycling Test ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Vanadium Redox ◽  
Vanadium Ion ◽  
Charge Discharge ◽  
Excellent Stability

Outstanding performance in VRFBs: a novel polysulfone–polyvinylpyrrolidone membrane with high ion selectivity, superior stability and low cost is constructed for VRFBs. The VRFB with the PSF–PVP–50 membrane exhibits impressive CE (98%), EE (89%), and excellent stability during the 2000 h continuous charge–discharge cycling test.

A Cost‐effective Nafion Composite Membrane as an Effective Vanadium‐Ion Barrier for Vanadium Redox Flow Batteries

2020 ◽  
Vol 15 (15) ◽  
pp. 2357-2363 ◽  
Author(s):  
Xuechun Lou ◽  
Du Yuan ◽  
Yuesheng Yu ◽  
Yanqiang Lei ◽  
Mei Ding ◽  
...  
Keyword(s):  
Composite Membrane ◽  
Cost Effective ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Vanadium Redox ◽  
Vanadium Ion
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