# Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature PEM Water Electrolysis

https://mdr.nims.go.jp/datasets/32b1a137-0d5a-4046-bf9e-7ada030f2970

## File

- [membranes-11-00861.pdf](https://mdr.nims.go.jp/filesets/df09b8d9-aeb6-457e-921d-388638c0e63d/download) ([Detail](https://mdr.nims.go.jp/filesets/df09b8d9-aeb6-457e-921d-388638c0e63d.md))

## Id

32b1a137-0d5a-4046-bf9e-7ada030f2970

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2023-02-28T07:36:51.490650Z

## Updated at

2024-01-05T13:11:48.264407Z

## Published at

2023-03-03T02:03:55.052783Z

## Doi



## First published url

https://doi.org/10.3390/membranes11110861

## Date published

2021-11-08

## Recorded date published



## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature
    PEM Water Electrolysis
  title_type: original
  lang: en

## Description

- description: In order to reduce the burden on the environment, there is a need to
    develop non-fluorinated electrolyte membranes as alternatives to fluorinated electrolyte
    membranes, and water electrolysis using hydrocarbon-based electrolyte membranes
    has been studied in recent years. In this paper, for the first time, we report
    elevated-temperature water electrolysis properties of crosslinked sulfonated polyphenylsulfone
    (CSPPSU) membranes prepared by sulfonation and crosslinking of hydrocarbon-based
    PPSU engineering plastics. The sulfone groups of the CSPPSU membrane in water
    were stable at 85 °C (3600 h) and 150 °C (2184 h). In addition, the polymer structure
    of the CSPPSU membrane was stable during small-angle X-ray scattering (SAXS) measurements
    from room temperature to 180 °C. A current density of 456 mA/cm2 was obtained
    at 150 °C and 1.8 V in water electrolysis using the CSPPSU membrane and IrO2/Ti
    as the catalytic electrode for oxygen evolution. The stability of the CSPPSU membrane
    at elevated temperatures with time was evaluated. There were some issues in the
    assembly of the CSPPSU membrane and the catalytic electrode. However, the CSPPSU
    membrane has the potential to be used as an electrolyte membrane for elevated-temperature
    water electrolysis.
  description_type: abstract
  lang: eng

## Creator

- name: Jedeok Kim
  role: author
  orcid: https://orcid.org/0000-0003-4301-1044
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Akihiro Ohira
  role: author

## Contact agent



## Publisher

organization: MDPI AG

## Managing organization



## Keyword

- subject: engineering plastic PPSU
  schema: not_defined
- subject: hydrocarbon electrolytes
  schema: not_defined
- subject: CSPPSU membrane
  schema: not_defined
- subject: PEM water electrolysis
  schema: not_defined
- subject: elevated temperature
  schema: not_defined

## Rights

- description: Creative Commons BY Attribution 4.0 International
  identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Membranes
  issn: '20770375'
  volume: '11'
  issue: '11'
  start_page: 861
  end_page: 873

## Conference



## Related item



## Funding



## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: df09b8d9-aeb6-457e-921d-388638c0e63d
  filename: membranes-11-00861.pdf
  content_type: application/pdf
  size: 3520960
  md5: 4aee1b39e068c2ec5bc8416739c41145

## Thumbnail

fileset_id: df09b8d9-aeb6-457e-921d-388638c0e63d
filename: membranes-11-00861.pdf