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Cost Reduction of large scale PEM electrolyzers by New Electrocatalysts and Bipolar Plates

Gago, Aldo and Wang, Li and Friedrich, K. Andreas (2014) Cost Reduction of large scale PEM electrolyzers by New Electrocatalysts and Bipolar Plates. CARISMA 2014 Conference, 2014-12-01 - 2014-12-03, Cape Town, South Africa.

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Abstract

Hydrogen is expected to play an important role as a crosslinking technology between power generation on one hand and transport and industry on the other hand. When produced from renewable energies such as solar or wind hydrogen generated by water electrolysis is a possibility to directly replace fossil fuels which are converted with lower efficiencies. The relevant technologies are either the mature alkaline water electrolysis or the newer proton exchange membrane water electrolysis which exhibits higher potentials for performance enhancement and cost reduction. Key components of the PEMWE that determine the stack cost are the bipolar plates (BPP) and the high loading of electrocatalyst for the OER in state of art membrane electrode assemblies. This poster presents the potentials for cost reduction by synthesizing supported IrO2 electrocatalyst replacing the corresponding unsupported electrocatalysts. The supports need to be highly stable and exhibit sufficient electronic conductivity. Additionally, the cost reduction achieved by a titanium coating for stainless steel bipolar plates for PEMWE is discussed.

Item URL in elib:https://elib.dlr.de/95016/
Document Type:Conference or Workshop Item (Poster)
Title:Cost Reduction of large scale PEM electrolyzers by New Electrocatalysts and Bipolar Plates
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Gago, AldoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, LiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Friedrich, K. AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2014
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Cost Reduction of large scale PEM electrolyzers by New Electrocatalysts and Bipolar Plates
Event Title:CARISMA 2014 Conference
Event Location:Cape Town, South Africa
Event Type:international Conference
Event Start Date:1 December 2014
Event End Date:3 December 2014
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion and Use (old)
HGF - Program Themes:Fuel Cells (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Electrochemical Processes (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Gago, Aldo
Deposited On:11 Feb 2015 11:22
Last Modified:24 Apr 2024 20:00

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