# A highly-selective layer-by-layer membrane modified with polyethylenimine and graphene oxide for vanadium redox flow battery

https://mdr.nims.go.jp/datasets/c9d09e25-afce-42c6-b089-654fa1083aec

## File

- [Highly-selective layer-by-layer membrane modified with polyethylenimine and graphene oxide for vanadium redox flow battery.pdf](https://mdr.nims.go.jp/filesets/f9ee8b45-a204-4d84-b3f4-933ee85a2f1f/download) ([Detail](https://mdr.nims.go.jp/filesets/f9ee8b45-a204-4d84-b3f4-933ee85a2f1f.md))

## Id

c9d09e25-afce-42c6-b089-654fa1083aec

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-01-11T01:45:21.168231Z

## Updated at

2025-07-16T07:16:22.501145Z

## Published at

2024-01-22T07:30:13.862227Z

## Doi

https://doi.org/10.48505/nims.4362

## First published url

https://doi.org/10.1080/14686996.2023.2300697

## Date published

2024-12-31

## Recorded date published

2024-12-31

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: A highly-selective layer-by-layer membrane modified with polyethylenimine
    and graphene oxide for vanadium redox flow battery
  title_type: original
  lang: en

## Description

- description: A selective composite membrane for vanadium redox flow battery (VRFB)
    was successfully prepared by layer-by-layer (LbL) technique using a perfluorosulfonic
    sulfonic acid or Nafion 117 (N117). The composite membrane referred as N117-(PEI/GO)n,
    was obtained by depositing alternating layers of positively charged polyethylenimine
    (PEI) and negatively charged graphene oxide (GO) as polyelectrolytes. The physicochemical
    properties and performance of the pristine and composite membranes were investigated.
    The membrane showed an enhancement in proton conductivity and simultaneously exhibited
    a notable 90 % reduction in vanadium permeability. This, in turn, resulted in
    a well-balanced ratio of proton conductivity to vanadium permeability, leading
    to high selectivity. The highest selectivity of the LbL membranes was found to
    be 19.2 x 104 S.min/cm3, which is 13 times higher than the N117 membrane (n =
    0). This was translated into an improvement in the battery performance, with the
    n = 1 membrane showing a 4-6 % improvement in coulombic efficiency and a 7-15
    % improvement in voltage efficiency at current densities ranging from 40 to 80
    mA/cm2. Furthermore, the membrane displayed stable operation over a long-term
    stability at around 88 % at a current density of 40 mA/cm2, making it an attractive
    option for VRFB applications using the LbL technique. This is because the use
    of PEI/GO bilayers maintained high proton conductivity and VE of the battery,
    opening up possibilities for further optimization and improvement of VRFBs.
  description_type: abstract
  lang: en

## Creator

- name: Saidatul Sophia Sha’rani
  role: author
  organization: Malaysia–Japan International Institute of Technology
- name: Mohamed Mahmoud Nasef
  role: author
- name: Nurfatehah Wahyuny Che Jusoh
  role: author
  organization: Malaysia–Japan International Institute of Technology
- name: Eleen Dayana Mohamed Isa
  role: author
- name: Roshafima Rasit Ali
  role: author

## Contact agent



## Publisher

organization: Taylor & Francis

## Managing organization



## Keyword

- subject: Vanadium redox flow battery
  schema: not_defined
- subject: layer by layer modification
  schema: not_defined
- subject: polyethyleneimine
  schema: not_defined
- subject: graphene oxide
  schema: not_defined
- subject: perfluorosulfonic acid membranes
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Science and Technology of Advanced Materials
  issn: '14686996'
  volume: '25'
  article_number: '2300697'

## Conference



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## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



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## Process for specimen treatment



## Computational method



## Energy level/transition state



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## Fileset

- id: f9ee8b45-a204-4d84-b3f4-933ee85a2f1f
  filename: Highly-selective layer-by-layer membrane modified with polyethylenimine
    and graphene oxide for vanadium redox flow battery.pdf
  content_type: application/pdf
  size: 5064078
  md5: d2ad3d38e74f33d07cd8ee9f07383b33

## Thumbnail

fileset_id: f9ee8b45-a204-4d84-b3f4-933ee85a2f1f
filename: Highly-selective layer-by-layer membrane modified with polyethylenimine
  and graphene oxide for vanadium redox flow battery.pdf