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Akihiro Ohira
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Chemically Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for PEM Fuel Cells
Description/Abstract:
Sulfonated polyphenylsulfone (SPPSU) with a high ion exchange capacity (IEC) was synthesized using commercially available PPSU, and a lar...
Keyword:
CSPPSU
,
High IEC
,
activation
,
PEMFCs
, and
PPSU
Resource Type:
Article
Author:
Je-Deok Kim
,
Akihiro Ohira
, and
Hidenobu Nakao
Date Uploaded:
03/03/2023
Water Electrolysis Using a Porous IrO2/Ti/IrO2 Catalyst Electrode and Nafion Membranes at Elevated Temperatures
Description/Abstract:
Porous IrO2/Ti/IrO2 catalyst electrodes were obtained by coating IrO2 on three types of porous Ti powder sheets (sample 1, sample 2, and ...
Keyword:
elevated temperature
,
nafion membrane
,
polymer electrolyte
,
porous IrO2/Ti/IrO2 catalyst electrode
, and
water electrolysis
Resource Type:
Article
Author:
Je-Deok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
Redox-Flow Battery Operating in Neutral and Acidic Environments with Multielectron-Transfer-Type Viologen Molecular Assembly
Description/Abstract:
Recently, redox flow batteries (RFBs) have attracted attention as a large-scale energy storage technology. To improve their energy densit...
Keyword:
aqueous solution
,
dendritic structure
,
molecular assembly
,
organic molecules
,
redox flow battery
, and
viologen
Resource Type:
Article
Author:
Akihiro Ohira
,
Takashi Funaki
,
Erika Ishida
,
Je-Deok Kim
, and
Yukari Sato
Date Uploaded:
30/03/2023
Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature PEM Water Electrolysis
Description/Abstract:
In order to reduce the burden on the environment, there is a need to develop non-fluorinated electrolyte membranes as alternatives to flu...
Keyword:
CSPPSU membrane
,
PEM water electrolysis
,
elevated temperature
,
engineering plastic PPSU
, and
hydrocarbon electrolytes
Resource Type:
Article
Author:
Jedeok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
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Creative Commons BY Attribution 4.0 International
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Akihiro Ohira
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