Chemical energy storage using reversible solid/gas-reactions (CWS) – results of the research project

Kerskes, Henner; Mette, Barbara; Bertsch, Florian; Asenbeck, Sebastian; Drück, Harald

doi:10.1016/j.egypro.2012.11.035

Cited by 70 publications

(35 citation statements)

References 2 publications

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“…Most solar thermal plants are located in the USA and Spain and typically take one or more of the following forms: parabolic troughs, dish, fresnel or heliostat systems [81]. There are suggestions that with appropriate policies to accelerate development, as much as 50% of the heating needs of Europe could be supplied by thermal systems by 2030 [82].…”

Section: Thermal Storagementioning

confidence: 99%

A Numerical and Graphical Review of Energy Storage Technologies

2014

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More effective energy production requires a greater penetration of storage technologies. This paper takes a looks at and compares the landscape of energy storage devices. Solutions across four categories of storage, namely: mechanical, chemical, electromagnetic and thermal storage are compared on the basis of energy/power density, specific energy/power, efficiency, lifespan, cycle life, self-discharge rates, capital energy/power costs, scale, application, technical maturity as well as environmental impact. It's noted that virtually every storage technology is seeing improvements. This paper provides an overview of some of the problems with existing storage systems and identifies some key technologies that hold promise.

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Section: Thermal Storagementioning

confidence: 99%

A Numerical and Graphical Review of Energy Storage Technologies

2014

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“…The concept of the external reactor design has been elaborated within the CWS project [3]. The external reactor design is characterized by a separation of the material reservoir and the reactor (cf.…”

Section: Numerical Investigation Of the External Reactor Designmentioning

confidence: 99%

Experimental and Numerical Investigations of Different Reactor Concepts for Thermochemical Energy Storage

2014

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This paper presents two different reactor concepts, an external and integrated reactor, for thermochemical energy stores which are operating in an open process using ambient air for the heat and mass transport. In the external reactor concept the material charging and discharging is performed in a reactor separated from the material store whereas in the integrated reactor concept the charging and discharging take place directly in the material store itself. For both reactor concepts, the heat and mass transfer inside the reactor or the material store respectively, have been analyzed in detail by means of numerical simulations. Based on the theoretical investigations a reactor design and an operation strategy have been developed. At laboratory scale an external test reactor (approx. 20 l of storage volume) has been built and experimentally tested. The experiments have proven the concept of the developed reactor design. A high thermal performance during the charging and discharging process of the thermochemical energy store has been obtained.

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“…Thermal decomposition of metal oxides for energy storage has been considered [81]. These reactions may have an advantage in that the oxygen evolved can be used for other purposes or discarded and that oxygen from the atmosphere can be used in the reverse reactions.…”

Section: Chemical Energy Storagementioning

confidence: 99%

A Comprehensive Review of Thermal Energy Storage

2018

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Thermal energy storage (TES) is a technology that stocks thermal energy by heating or cooling a storage medium so that the stored energy can be used at a later time for heating and cooling applications and power generation. TES systems are used particularly in buildings and in industrial processes. This paper is focused on TES technologies that provide a way of valorizing solar heat and reducing the energy demand of buildings. The principles of several energy storage methods and calculation of storage capacities are described. Sensible heat storage technologies, including water tank, underground, and packed-bed storage methods, are briefly reviewed. Additionally, latent-heat storage systems associated with phase-change materials for use in solar heating/cooling of buildings, solar water heating, heat-pump systems, and concentrating solar power plants as well as thermo-chemical storage are discussed. Finally, cool thermal energy storage is also briefly reviewed and outstanding information on the performance and costs of TES systems are included.

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Chemical energy storage using reversible solid/gas-reactions (CWS) – results of the research project

Cited by 70 publications

References 2 publications

A Numerical and Graphical Review of Energy Storage Technologies

A Numerical and Graphical Review of Energy Storage Technologies

Experimental and Numerical Investigations of Different Reactor Concepts for Thermochemical Energy Storage

A Comprehensive Review of Thermal Energy Storage

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