TCSPOWER
Thermochemical Energy Storage for Concentrated Solar Power Plants
| Coordinatore | DEUTSCHES ZENTRUM FUER LUFT - UND RAUMFAHRT EV
Organization address
address: Linder Hoehe contact info |
| Nazionalità Coordinatore | Germany [DE] |
| Totale costo | 4˙421˙226 € |
| EC contributo | 2˙849˙240 € |
| Programma | FP7-ENERGY
Specific Programme "Cooperation": Energy |
| Code Call | FP7-ENERGY-2011-1 |
| Funding Scheme | CP |
| Anno di inizio | 2011 |
| Periodo (anno-mese-giorno) | 2011-11-01 - 2015-04-30 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
DEUTSCHES ZENTRUM FUER LUFT - UND RAUMFAHRT EV
Organization address
address: Linder Hoehe contact info |
DE (KOELN) | coordinator | 782˙743.00 |
| 2 |
Fundacion IMDEA Energia
Organization address
address: Univ. Rey Juan Carlos. c/ Tulipan contact info |
ES (MOSTOLES) | participant | 436˙417.00 |
| 3 |
PAUL SCHERRER INSTITUT
Organization address
address: Villigen contact info |
CH (VILLIGEN PSI) | participant | 383˙165.00 |
| 4 |
UNIVERSITAET SIEGEN
Organization address
address: HERRENGARTEN 3 contact info |
DE (SIEGEN) | participant | 366˙040.00 |
| 5 |
BUHLER AG
Organization address
address: GUPFENSTRASSE 5 contact info |
CH (UZWIL) | participant | 308˙720.00 |
| 6 |
SIEMENS AKTIENGESELLSCHAFT
Organization address
address: Wittelsbacherplatz 2 contact info |
DE (MUNCHEN) | participant | 302˙983.00 |
| 7 |
ERAMET & COMILOG CHEMICALS SPRL
Organization address
address: RUE DU BOIS contact info |
BE (SAINT GHISLAIN) | participant | 201˙357.00 |
| 8 |
SIEMENS CONCENTRATED SOLAR POWER LTD
Organization address
address: HACHSHARA STREET 3 contact info |
IL (BET SHEMESH) | participant | 67˙815.00 |
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Obiettivo del progetto (Objective)
'The overall objective of the TCSPower project is to realise a new, efficient, reliable and economic thermochemical energy storage (TCS) for concentrated solar power plants which has the capability to contribute significantly to further cost reduction of regenerative electricity production. This will be achieved by applying reversible gas-solid reactions. Dissociation of calcium hydroxide is used for storing thermal energy in a temperature range between 450 and 550°C in connection with trough power plants with direct steam generation. For the higher temperatures of central air receiver CSP plants the redox reaction of manganese oxide will be applied.
The scientific and technological development in the proposed TCSPower project is focused on three areas: (1) chemical reaction system and storage material issues, (2) design of the TCS reactor taking heat and mass transport aspects in combination with reaction kinetics into account, (3) system integration of the TCS system into the CSP plant.
The outcome of the project will include suitable, long-term stable calcium hydroxide and manganese oxide materials with improved functionality in regard to reversible reaction kinetics and heat transfer. A simulation tool for the design of TCS reactors with improved heat and mass transfer characteristics will be applied to identify suitable reactor concepts for the hydroxide and the redox reaction system. Both concepts will be experimentally evaluated in laboratory scale. Additionally, an up-scaling to 10kW will be realized for the more promising reaction system to evaluate the performance of a pilot-scale TCS reactor experimentally. Based on the obtained results, two application-oriented concepts for the integration of the respective TCS systems into CSP plants will be elaborated. Finally, strategies for up-scaling to commercial scale and a techno-economic evaluation of the thermochemical storage systems will be developed.'
Descrizione progetto (Article)
Supply from renewable sources can be inconsistent in the short term when the wind dies down, the waters become calm and the clouds hide the Sun. Development of energy- and cost-efficient storage will enable power systems to store excess energy beyond immediate requirements and retrieve it when needed.
With EU funding of the project 'Thermochemical energy storage for concentrated solar power plants' (TCSPOWER), scientists are developing ways to store the Sun's thermal energy for electricity production during the night. Concentrated solar power (CSP) is particularly well suited to accommodating intermittent demand as it can be combined with large-scale thermal energy storage.
Although simple in concept, storing heat at high temperatures cost efficiently and for long periods has not been easy to accomplish. http://www.tcs-power.eu/ (TCSPOWER) is approaching the task with a reversible thermochemical reaction, endothermic in one direction to take in the heat for storage and exothermic in reverse to free heat for the power block. Thermochemical energy storage (TES) has not been demonstrated yet in a commercial or even prototype system. Using low-cost materials with high storage densities and large operating temperature ranges, TCSPOWER is evaluating its potential for use with CSP plants.
During the first project period, scientists focused on developing the overall system specifications from which storage materials, reactors and operating conditions were delineated. Researchers characterised the two reactions and associated materials systems, optimising various options. Preliminary results from simulations developed within the scope of the project have been analysed and will be verified experimentally in the upcoming period. Finally, experimental test beds are being constructed or adapted from existing ones for concept validation.
TCSPOWER expects to deliver an efficient and cost-effective thermal energy storage solution to be used with CSP generation for more stable energy supply. High-density storage will significantly reduce the size of the storage unit and low-cost materials will minimise investment costs. In addition, the concept has the potential to make reactor cost independent of storage capacity, a tremendous benefit compared to other technologies. Taken together, project outcomes are expected to significantly enhance market penetration.