Design, manufacturing, and operation of movable 2 × 10 kW size rSOC system

Ville Saarinen; Jari Pennanen; Mikko Kotisaari; Olivier Thomann; Olli Himanen; S. Di Iorio; P. Hanoux; J. Aicart; K. Couturier; X. Sun; M. Chen; B. R. Sudireddy

doi:10.1002/fuce.202100021

Design, manufacturing, and operation of movable 2 × 10 kW size rSOC system

Ville Saarinen^*, Jari Pennanen, Mikko Kotisaari, Olivier Thomann, Olli Himanen, S. Di Iorio, P. Hanoux, J. Aicart, K. Couturier, X. Sun, M. Chen, B. R. Sudireddy

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

Reversible solid oxide cell (rSOC) technology enables both electricity generation for local demands and electricity conversion into hydrogen with high power-to-gas (AC to H2) efficiency. This work describes modeling and implementation of movable “10-feet container” size rSOC system in a pilot demonstration scale (10 kW SOEC/2 kW SOFC). The selected two-stack two-module system layout is the simplest option to investigate multi-module rSOC systems in various operation modes and conditions. Special attention is also paid to heat integration: heat losses are minimized with optimized BoP component design, placement, and insulation. Reversibility, dynamic operation, and methods for efficient transitions between SOFC and SOEC modes are investigated at a system level. The developed system is highly instrumented enabling detailed system analysis, for example, the calculation of enthalpy flows and efficiencies of all BoP components. Analyses of key parameters on the performance and efficiency are presented. To explore upscaling of rSOC systems, the effects of size and structure of stack modules on the reliability and maintenance of the entire system are investigated, and as a conclusion, the construction of multi-MW scale rSOC systems are recommended to be implemented with approximately 100 kW size stack modules.

Original language	English
Pages (from-to)	477-487
Journal	Fuel Cells
Volume	21
Issue number	5
DOIs	https://doi.org/10.1002/fuce.202100021
Publication status	Published - Oct 2021
MoE publication type	A1 Journal article-refereed

Funding

Reversible solid oxide cell, stack, and system research as a part of BALANCE EU project has been funded by H2020 under the grant agreement 731224. The development work for movable rSOC system has been done as a part of Finnish national Smart Otaniemi project.

Keywords

electrolyzer
fuel cell
hydrogen production
power-to-gas
power-to-X
reversible high temperature solid oxide cell system
rSOC
SOEC
SOFC
solid oxide electrolyzer cell system
solid oxide fuel cell system

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/fuce.202100021Licence: CC BY-NC-ND

fuce.202100021Final published version, 2.07 MBLicence: CC BY-NC-ND

Cite this

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title = "Design, manufacturing, and operation of movable 2 × 10 kW size rSOC system",

abstract = "Reversible solid oxide cell (rSOC) technology enables both electricity generation for local demands and electricity conversion into hydrogen with high power-to-gas (AC to H2) efficiency. This work describes modeling and implementation of movable “10-feet container” size rSOC system in a pilot demonstration scale (10 kW SOEC/2 kW SOFC). The selected two-stack two-module system layout is the simplest option to investigate multi-module rSOC systems in various operation modes and conditions. Special attention is also paid to heat integration: heat losses are minimized with optimized BoP component design, placement, and insulation. Reversibility, dynamic operation, and methods for efficient transitions between SOFC and SOEC modes are investigated at a system level. The developed system is highly instrumented enabling detailed system analysis, for example, the calculation of enthalpy flows and efficiencies of all BoP components. Analyses of key parameters on the performance and efficiency are presented. To explore upscaling of rSOC systems, the effects of size and structure of stack modules on the reliability and maintenance of the entire system are investigated, and as a conclusion, the construction of multi-MW scale rSOC systems are recommended to be implemented with approximately 100 kW size stack modules.",

keywords = "electrolyzer, fuel cell, hydrogen production, power-to-gas, power-to-X, reversible high temperature solid oxide cell system, rSOC, SOEC, SOFC, solid oxide electrolyzer cell system, solid oxide fuel cell system",

author = "Ville Saarinen and Jari Pennanen and Mikko Kotisaari and Olivier Thomann and Olli Himanen and Iorio, \{S. Di\} and P. Hanoux and J. Aicart and K. Couturier and X. Sun and M. Chen and Sudireddy, \{B. R.\}",

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doi = "10.1002/fuce.202100021",

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AU - Saarinen, Ville

AU - Pennanen, Jari

AU - Kotisaari, Mikko

AU - Thomann, Olivier

AU - Himanen, Olli

AU - Iorio, S. Di

AU - Hanoux, P.

AU - Aicart, J.

AU - Couturier, K.

AU - Sun, X.

AU - Chen, M.

AU - Sudireddy, B. R.

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AB - Reversible solid oxide cell (rSOC) technology enables both electricity generation for local demands and electricity conversion into hydrogen with high power-to-gas (AC to H2) efficiency. This work describes modeling and implementation of movable “10-feet container” size rSOC system in a pilot demonstration scale (10 kW SOEC/2 kW SOFC). The selected two-stack two-module system layout is the simplest option to investigate multi-module rSOC systems in various operation modes and conditions. Special attention is also paid to heat integration: heat losses are minimized with optimized BoP component design, placement, and insulation. Reversibility, dynamic operation, and methods for efficient transitions between SOFC and SOEC modes are investigated at a system level. The developed system is highly instrumented enabling detailed system analysis, for example, the calculation of enthalpy flows and efficiencies of all BoP components. Analyses of key parameters on the performance and efficiency are presented. To explore upscaling of rSOC systems, the effects of size and structure of stack modules on the reliability and maintenance of the entire system are investigated, and as a conclusion, the construction of multi-MW scale rSOC systems are recommended to be implemented with approximately 100 kW size stack modules.

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KW - hydrogen production

KW - power-to-gas

KW - power-to-X

KW - reversible high temperature solid oxide cell system

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KW - SOFC

KW - solid oxide electrolyzer cell system

KW - solid oxide fuel cell system

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JO - Fuel Cells

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Design, manufacturing, and operation of movable 2 × 10 kW size rSOC system

Abstract

Funding

Keywords

UN SDGs

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