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Nano coated salt offers solution for large-scale storage of solar energy
The Swedish company Saltex has developed an innovative technology for mass storage of energy from renewables such as solar and wind.
The use of solar power, where electricity is generated by either Photovoltaic (PV) or Concentrated Solar Power (CSP), is expanding exponentially. Its principal limitation is the challenge of storing the energy for the evening hours.
The new technology exploits and energy absorbancy capacity of common salt.The SaltX nano-coating prevents ‘stickiness’ and the salt is able to retain its original form of single crystals of salt. As a result, the salt can be charged and discharged thousands of times without losing capacity or performance. By coating the SaltX material with different forms of nanoparticles, more energy can be stored in the salt and corrosion is prevented.
The material thus affords high capacity to store intermittent energy sources such as wind and solar energy with minimal storage loss and in a cost-effective manner.
Swedish energy companies, Göteborg Energi and Öresundskraft, now joining the SaltX pilot project for large-scale energy storage.
The pilot plant will be built in a district heating network in Berlin and used to verify the SaltX EnerStore technology in full-scale. The project starts shortly with an initial phase of approximately 18 months. The pilot will be conducted with leading Swedish energy companies, the research and knowledge company Energiforsk, technical consultant Sweco and Stockholm University.
SaltX Technology’s stock is listed on Nasdaq Stockholm First North.
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