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.

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.

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

Fabrication of SPAEK–cerium zirconium oxide nanotube composite membrane with outstanding performance and durability for vanadium redox flow batteries

2018 ◽  
Vol 6 (41) ◽  
pp. 20205-20213 ◽  
Author(s):  
Syed Imdadul Hossain ◽  
Md. Abdul Aziz ◽  
Dabin Han ◽  
Parasuraman Selvam ◽  
Sangaraju Shanmugam
Keyword(s):  
Block Copolymer ◽  
Composite Membrane ◽  
Zirconium Oxide ◽  
Ion Selectivity ◽  
The Self ◽  
Discharge Time ◽  
Redox Flow Batteries ◽  
Flow Batteries ◽  
Vanadium Redox

Ce2Zr2O7 nanotube in SPAEK block copolymer enhance ion selectivity and VRFB performance. The self-discharge time of SPAEK/Ce2Zr2O7 membrane was higher than pristine SPAEK and NRE-212 membrane.

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