Novel electrical energy storage system based on reversible solid oxide cells: System design and operating conditions

Wendel, Christopher H.; Kazempoor, Pejman; Braun, Robert J.

doi:10.1016/j.jpowsour.2014.10.205

Cited by 92 publications

(71 citation statements)

References 32 publications

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“…C.H. Wendel, P. Kazempoor and R.J. Braun [18] describe such a solution. In this specific case the authors propose the installation of a reversible fuel cell that is able to produce electricity from the gas network and vice versa.…”

Section: The Advantages Of Installing Hydrogen Storage Facilities Tomentioning

confidence: 99%

“…C.H. Wendel, P. Kazempoor and R.J. Braun [18] analyze the previous concept much further proving its feasibility. Closing this bibliographical analysis, Eduardo Lopez Gonzalez, Fernando Isorna Llerena, Manuel Silva Perez, Felipe Rosa Iglesias, Jose Guerra Macho [19] demonstrate the operational capability of a hybrid power system.…”

Section: An Introduction To Smart Grids and Energy Hydrogen Storagementioning

confidence: 95%

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Hydrogen Storage Technologies for Smart Grids applications

Lazarou¹,

Makridis²

2017

Preprint

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(S.M.) "A smart grid is an electricity network that can integrate in a cost efficient manner the behavior and actions of all users connected to it -generators, consumers and those that do both -in order to ensure economically efficient, sustainable power system with low losses and high levels of quality and security of supply and safety." European Commission Task Force for Smart Grids Abstract: Electricity sector is among the main carbon emissions contributors. This sector has the potential to reduce its carbon emissions through producing electric energy from zero emitting facilities and through the optimization of the consumption in a way to better accommodate low carbon emissions. Hydrogen society per se combined with smart grids, as this is analyzed in this manuscript, can present substantial contribution towards climate change mitigation.

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Section: The Advantages Of Installing Hydrogen Storage Facilities Tomentioning

confidence: 99%

Section: An Introduction To Smart Grids and Energy Hydrogen Storagementioning

confidence: 95%

Hydrogen Storage Technologies for Smart Grids applications

Lazarou¹,

Makridis²

2017

Preprint

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“…The overall efficiency of the system is found to be 20% and 23% in the solar-SOSE mode and the solar-SOFC mode respectively. Wendel et al [3] studied the performance of an intermediate temperature RSOFC and found that efficiency, more than 70% can be achieved at intermediate stack temperature (680 0 C). Kazempoor et al [4] proposed a RSOFC based energy storage system in which they investigated the effect of operating parameters viz.…”

Section: Introductionmentioning

confidence: 99%

Reversible Solid Oxide Fuel Cell Connected to Solar PV/T System: Cell Electrochemical Modelling and Analysis

Mishra

Roy

Ghosh

2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. In this paper, a novel power generation cum storage system employing reversible solid oxide fuel cell (RSOFC) has been proposed and modelled. The RSOFC is integrated with solar PV/T system. Here only the electrochemical modelling of the fuel cell unit has been presented and analysed thermodynamically. The RSOFC unit operates in steam electrolyser mode (during day time) as well as in fuel cell mode (during night time). The electrochemical model has been developed by using Engineering Equation Solver. Performance of RSOFC unit has been investigated under varying operating parameters viz. applied current density and operating cell temperature. For electrolyser mode of operation maximum efficiency is found to be 93% at a current density (J) 8000 A/m 2 and at cell temperature (Tcell) 1273K. Maximum efficiency during fuel cell mode of operation is found to be 77% at cell temperature 1073K and at current density 500 A/m 2 . IntroductionAccording to IEA report [1], fossil fuels contribute a major share of electricity production till now. Fossil based power plants are the major emitter of greenhouse gases. Therefore, designing advanced power generation system employing renewable energy sources is essential to neutralize greenhouse gas emissions. In that context, fuel cell technology has a potential to provide a clean and sustainable form of energy without emitting any polluting agents. Reversible solid oxide fuel cell (RSOFC) is a promising new technology which can operate in solid oxide fuel cell (SOFC) mode as well as in solid oxide steam electrolyser (SOSE) mode. RSOFC generally operates at a very high temperature (873-1273 K). Thus, it requires a high temperature heat source to preheat the incoming feed (H2 and air in SOFC mode of operation, H2O in SOSE mode of operation).Akikur et al.[2] proposed a solar powered RSOFC based cogeneration system. The overall efficiency of the system is found to be 20% and 23% in the solar-SOSE mode and the solar-SOFC mode respectively. Wendel et al. [3] studied the performance of an intermediate temperature RSOFC and found that efficiency, more than 70% can be achieved at intermediate stack temperature (680 0 C). Kazempoor et al. [4] proposed a RSOFC based energy storage system in which they investigated the effect of operating parameters viz. temperature, gas composition and fuel utilization on cell voltage, at varying current densities. Visitdumrongkul et al. [5] investigated the performance of SOSE integrated system for H2 production. The effect of operating parameters viz. oxygen to carbon ratio, operating

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“…Most of the modeling studies about the performance of ReSOCs have been written by the research group of Braun [27][28][29][30][31][32]. Starting with the first concept presented by Kazempoor and Braun [27] in 2015, where ReSOC are proposed for storing intermittent renewable energy, the subject was studied from different points of view and different levels of detail in [28][29][30][31][32]. Klotz et al [33] developed a simplified model, which accurately represents the behavior of SOC in both operational modes, while Ferrero et al [8] presented a model, validated and calibrated it with experimental test.…”

Section: Introductionmentioning

confidence: 99%

Potential of Reversible Solid Oxide Cells as Electricity Storage System

Giorgio

Desideri

2016

Energies

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Electrical energy storage (EES) systems allow shifting the time of electric power generation from that of consumption, and they are expected to play a major role in future electric grids where the share of intermittent renewable energy systems (RES), and especially solar and wind power plants, is planned to increase. No commercially available technology complies with all the required specifications for an efficient and reliable EES system. Reversible solid oxide cells (ReSOC) working in both fuel cell and electrolysis modes could be a cost effective and highly efficient EES, but are not yet ready for the market. In fact, using the system in fuel cell mode produces high temperature heat that can be recovered during electrolysis, when a heat source is necessary. Before ReSOCs can be used as EES systems, many problems have to be solved. This paper presents a new ReSOC concept, where the thermal energy produced during fuel cell mode is stored as sensible or latent heat, respectively, in a high density and high specific heat material and in a phase change material (PCM) and used during electrolysis operation. The study of two different storage concepts is performed using a lumped parameters ReSOC stack model coupled with a suitable balance of plant. The optimal roundtrip efficiency calculated for both of the configurations studied is not far from 70% and results from a trade-off between the stack roundtrip efficiency and the energy consumed by the auxiliary power systems.

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Novel electrical energy storage system based on reversible solid oxide cells: System design and operating conditions

Cited by 92 publications

References 32 publications

Hydrogen Storage Technologies for Smart Grids applications

Hydrogen Storage Technologies for Smart Grids applications

Reversible Solid Oxide Fuel Cell Connected to Solar PV/T System: Cell Electrochemical Modelling and Analysis

Potential of Reversible Solid Oxide Cells as Electricity Storage System

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