An ultra-high ion selective hybrid proton exchange membrane incorporated with zwitterion-decorated graphene oxide for vanadium redox flow batteries

2019 ◽  
Vol 7 (20) ◽  
pp. 12669-12680 ◽  
Author(s):  
Yuxia Zhang ◽  
Haixia Wang ◽  
Bo Liu ◽  
Jingli Shi ◽  
Jun Zhang ◽  
...  
Keyword(s):  
Proton Exchange Membrane ◽  
Ion Selectivity ◽  
Proton Exchange ◽  
Hybrid Membranes ◽  
Ion Permeability ◽  
Redox Flow Batteries ◽  
Good Trade ◽  
Exchange Membrane ◽  
Vanadium Redox ◽  
Vanadium Ion

A good trade-off effect between proton conductivity and vanadium ion permeability contributing ultra-high ion selectivity is demonstrated for SPEEK/ZC-GO hybrid membranes influenced by zwitterionic ZC-GO nanofillers.

Sulfonated graphene oxide-decorated block copolymer as a proton-exchange membrane: improving the ion selectivity for all-vanadium redox flow batteries

2018 ◽  
Vol 6 (36) ◽  
pp. 17740-17750 ◽  
Author(s):  
Md. Abdul Aziz ◽  
Sangaraju Shanmugam
Keyword(s):  
Graphene Oxide ◽  
Block Copolymer ◽  
Proton Exchange Membrane ◽  
Ion Selectivity ◽  
Proton Exchange ◽  
Discharge Time ◽  
Redox Flow Batteries ◽  
Sulfonated Graphene ◽  
Exchange Membrane ◽  
Vanadium Redox

A SPEKS/sGO composite membrane with superior ion selectivity and chemical stability was synthesized. The composite and pristine SPEKS membranes exhibited a 10.4- and 6.5-times greater self-discharge time compared with the commercial Nafion-212 membrane.

Robust proton exchange membrane for vanadium redox flow batteries reinforced by silica-encapsulated nanocellulose

2020 ◽  
Vol 45 (16) ◽  
pp. 9803-9810 ◽  
Author(s):  
Yue Zhang ◽  
Yuguang Zhong ◽  
Wenjie Bian ◽  
Weineng Liao ◽  
Xinjie Zhou ◽  
...  
Keyword(s):  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Exchange Membrane ◽  
Vanadium Redox

scholarly journals Blended Anion Exchange Membranes for Vanadium Redox Flow Batteries

Polymers ◽  
2021 ◽  
Vol 13 (16) ◽  
pp. 2827
Author(s):  
Tae Yang Son ◽  
Kwang Seop Im ◽  
Ha Neul Jung ◽  
Sang Yong Nam
Keyword(s):  
Anion Exchange ◽  
Polyvinylidene Fluoride ◽  
Proton Exchange Membrane ◽  
Anion Exchange Membrane ◽  
Proton Exchange ◽  
Anion Exchange Membranes ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Exchange Membrane ◽  
Vanadium Redox

In this study, blended anion exchange membranes were prepared using polyphenylene oxide containing quaternary ammonium groups and polyvinylidene fluoride. A polyvinylidene fluoride with high hydrophobicity was blended in to lower the vanadium ion permeability, which increased when the hydrophilicity increased. At the same time, the dimensional stability also improved due to the excellent physical properties of polyvinylidene fluoride. Subsequently, permeation of the vanadium ions was prevented due to the positive charge of the anion exchange membrane, and thus the permeability was relatively lower than that of a commercial proton exchange membrane. Due to the above properties, the self-discharge of the blended anion exchange membrane (30.1 h for QA–PPO/PVDF(2/8)) was also lower than that of the commercial proton exchange membrane (27.9 h for Nafion), and it was confirmed that it was an applicable candidate for vanadium redox flow batteries.

Crosslinked sulfonated poly(arylene ether sulfone)/silica hybrid membranes for high temperature proton exchange membrane fuel cells

2013 ◽  
Vol 51 ◽  
pp. 22-28 ◽  
Author(s):  
Jeong Hwan Chun ◽  
Sang Gon Kim ◽  
Ji Young Lee ◽  
Dong Hun Hyeon ◽  
Byung-Hee Chun ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Hybrid Membranes ◽  
Arylene Ether ◽  
Exchange Membrane ◽  
Silica Hybrid ◽  
Sulfonated Poly
Sign in / Sign up

Export Citation Format

Share Document