Solid Oxide Electrolysis for Hydrogen Production: From Oxygen Ion to Proton Conducting Cells

Solid Oxide Electrolysis for Hydrogen Production: From Oxygen Ion to Proton Conducting Cells

Electrochemical splitting of water, using solid oxide electrolysis cells (SOEC), offers an economic and efficient pathway for large-scale hydrogen production that not only utilizes renewable energy but also allows both distributed and centralized hydrogen production to accelerate and enable hydrogen...

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Veröffentlicht in:ECS transactions 2018-04, Vol.85 (10), p.13-20
Hauptverfasser: Hu, Boxun, Aphale, Ashish N, Reisert, Michael, Belko, Seraphim, Marina, Olga A, Stevenson, Jeffry W, Singh, Prabhakar
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Sprache:eng
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SOEC, solid oxide electrolysis, proton conductor, Hydrogen Production
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container_end_page 20
container_issue 10
container_start_page 13
container_title ECS transactions
container_volume 85
creator Hu, Boxun
Aphale, Ashish N
Reisert, Michael
Belko, Seraphim
Marina, Olga A
Stevenson, Jeffry W
Singh, Prabhakar
description Electrochemical splitting of water, using solid oxide electrolysis cells (SOEC), offers an economic and efficient pathway for large-scale hydrogen production that not only utilizes renewable energy but also allows both distributed and centralized hydrogen production to accelerate and enable hydrogen infrastructure for mobility. In this technical contribution, two types of electrochemical systems using conventional oxygen ion conducting (O-SOEC) and newly developed proton conducting (P-SEOC) has been compared in terms of hydrogen purity, electrochemical performance, and stability (structural and electrochemical). The observations on dopant exsolution, solid-solid (electrode/electrolyte interface) and solid-gas (electrode-H2O, O2, and H2) interactions have been presented. The composition, structure, and morphology changes and their roles on electrochemical performance and electrode stability in oxidizing (O2) and reducing (H2) atmospheres has been discussed.
doi_str_mv 10.1149/08510.0013ecst
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ispartof ECS transactions, 2018-04, Vol.85 (10), p.13-20
issn 1938-5862
1938-6737
1938-6737
1938-5862
language eng
recordid cdi_osti_scitechconnect_1492693
source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects SOEC, solid oxide electrolysis, proton conductor, Hydrogen Production
title Solid Oxide Electrolysis for Hydrogen Production: From Oxygen Ion to Proton Conducting Cells
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