Introduction to thermal energy storage (TES) systems

Cabeza, Luisa F.; Martorell, Ingrid; Miró, Laia; Fernández, A. Inés; Barreneche, Camila

doi:10.1533/9781782420965.1

Cited by 84 publications

(64 citation statements)

References 20 publications

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“…These materials should be subject to melting, minimum supercooling, should be chemically stable, non-toxic and should not cause corrosion. Depending on the application, the use of latent heat should be selected based on the content's melting point [7]. For the purpose of heat accumulation in heating systems, most matching characteristics determine the salt hydrates and paraffins [8].…”

Section: Introductionmentioning

confidence: 99%

The influence of using heat storage with PCM on inlet and outlet temperatures in substation in DHS

2017

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Abstract:The main objective of this article is to indicate the direction of development of new generation heating systems that use phase change materials, and the important criteria needed when choosing a phase change material. The work contains a detailed classification of materials using the latent heat of organic and inorganic PCM. This references the technical possibilities of existing heat storage technologies. A specific objective was adopted to determine the effect of using heat storage with PCM on inlet and outlet temperatures in substation in district heating systems. The scope of the study included determining the parameters of the heat distribution network as a function of an outdoor air temperature within the range of -20°C to + 12°C. The object of analysis was chosen to be the heating system parameters: supply 120°C and return 60°C. It is located on the surface of 160km 2 , and supplies heat to 240,000 residents. The total length of the district heating network is 170 km. Based on the study, it was found that the most advantageous material that accumulates heat depends on the return temperature in the heating network. For the above analyzed case, the return temperature was in the range of 46°C to 57°C. The analysis showed that the most preferred materials using heat of phase change, have possible applications in heating networks and received a return temperature including salt hydrates, such as MgSO4·7H2O and Na2S2O3·5H2O. The introduction of stored heat for the district heating system with the phase change material in the form of salt hydrates, allows the return temperature in the district heating to remain at temperatures compatible with the adopted regulatory table for temperatures outside the standard heating season.

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Section: Introductionmentioning

confidence: 99%

The influence of using heat storage with PCM on inlet and outlet temperatures in substation in DHS

2017

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“…The main applications of TES are those scenarios where it is needed to overcome the mismatch between energy generation and energy use [1]. According to European Association for Storage of Energy (EASE) and European Energy Research Alliance (EERA) [2] these scenarios are: -In the industrial process heat sector to be used as a heat management tool to increase efficiency and to reduce specific energy consumption of industrial manufacturing processes.…”

Section: Introductionmentioning

confidence: 99%

Key performance indicators in thermal energy storage: Survey and assessment

et al. 2015

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a b s t r a c tThermal energy storage (TES) is recognised as a key technology for further deployment of renewable energy and to increase energy efficiency in our systems. Several technology roadmaps include this technology in their portfolio to achieve such objectives. In this paper, a first attempt to collect, organise and classify key performance indicators (KPI) used for TES is presented. Up to now, only KPI for TES in solar power plants (CSP) and in buildings can be found. The listed KPI are quantified in the literature and compared in this paper. This paper shows that TES can only be implemented by policy makers if more KPI are identified for more applications. Moreover, close monitoring of the achievements of the already identified KPI needs to be carried out to demonstrate the potential of TES.

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“…It has very small self‐discharge (0.05%‐1%), provides good energy density (80‐250 Wh/kg), has no adverse effect on the environment, and is also economically viable (200‐300 $/kW) . But, relatively low power density (10‐30 W/kg) and low efficiency (30%‐60%) are some of the drawbacks . TES has found applications in wide domains such as energy arbitrage, secondary/tertiary reserve, voltage regulation, load shifting, and electricity generation for heat engine cycles …”

Section: Energy Storage Methodsmentioning

confidence: 99%

An updated review of energy storage systems: Classification and applications in distributed generation power systems incorporating renewable energy resources

2018

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Summary The demand of electric energy is increasing globally, and the fact remains that the major share of this energy is still being produced from the traditional generation technologies. However, the recent trends, for obvious reasons of environmental concerns, are indicating a paradigm shift towards distributed generation (DG) incorporating renewable energy resources (RERs). But there are associated challenges with high penetration of RERs as these resources are unpredictable and stochastic in nature, and as a result, it becomes difficult to provide immediate response to demand variations. This is where energy storage systems (ESSs) come to the rescue, and they not only can compensate the stochastic nature and sudden deficiencies of RERs but can also enhance the grid stability, reliability, and efficiency by providing services in power quality, bridging power, and energy management. This paper provides an extensive review of different ESSs, which have been in use and also the ones that are currently in developing stage, describing their working principles and giving a comparative analysis of important features and technical as well as economic characteristics. The wide range of storage technologies, with each ESS being different in terms of the scale of power, response time, energy/power density, discharge duration, and cost coupled with the complex characteristics matrices, makes it difficult to select a particular ESS for a specific application. The comparative analysis presented in this paper helps in this regard and provides a clear picture of the suitability of ESSs for different power system applications, categorized appropriately. The paper also brings out the associated challenges and suggests the future research directions.

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Introduction to thermal energy storage (TES) systems

Cited by 84 publications

References 20 publications

The influence of using heat storage with PCM on inlet and outlet temperatures in substation in DHS

The influence of using heat storage with PCM on inlet and outlet temperatures in substation in DHS

Key performance indicators in thermal energy storage: Survey and assessment

An updated review of energy storage systems: Classification and applications in distributed generation power systems incorporating renewable energy resources

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