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Recently, Italian researchers have developed a new type of heat storage composite material that can help utilize renewable energy systems
.
This kind of material is based on cheap technology.
By using a combination of cement, salt and water to store thermochemical energy, it can store heat in summer for use in winter, and a new class of composite materials may be extended
.
About 90% of the total energy used in the world is related to thermal energy.
Therefore, solving the time difference between energy surplus and peak demand has become a research hotspot at home and abroad
.
By integrating a cheap storage system to store energy when there is a surplus of energy, it can be used during peak demand, which is the key to more efficient use of renewable energy
.
? The research team from the University of Turin and the Institute of Advanced Energy Technology of the Italian National Research Center has been exploring technologies that can store heat at high density for a long time without causing unacceptable losses
.
In a recent academic paper, "Scientific Report" [Lavagna et al.
, (2020) DOI: 10.
1038/s41598-020-69502-0?], researchers have proved that heat is generated by the hydration of the salt in the cement pores.
The potential of this method can be compared with most known materials in terms of energy costs in terms of storage
.
? In composite materials for thermochemical heat storage, a properly adjusted cement-based matrix proved to be feasible and much cheaper for stored energy
.
The total cost of the used materials is very low, and the energy performance is good-even after hundreds of heating/cooling cycles, it still has excellent stability
.
? As team leader Eliodoro Chiavazzo said, “One of the main contributions of this work is the introduction of a new “in-situ” program for the synthesis of composite materials, which includes the preparation of porous cement embedded in salt and the use of cement As a matrix, it has a complex chemical composition and interaction, which is also useful for further understanding the long-term performance of the adsorbent composite material
.
The team now hopes to introduce the basic components of the composite material into a system optimization program to further improve the material, including water absorption , Heat release, temperature rise, and reduce the cost of stored energy, while maintaining the stability within the acceptable time and cycle
.
.
This kind of material is based on cheap technology.
By using a combination of cement, salt and water to store thermochemical energy, it can store heat in summer for use in winter, and a new class of composite materials may be extended
.
About 90% of the total energy used in the world is related to thermal energy.
Therefore, solving the time difference between energy surplus and peak demand has become a research hotspot at home and abroad
.
By integrating a cheap storage system to store energy when there is a surplus of energy, it can be used during peak demand, which is the key to more efficient use of renewable energy
.
? The research team from the University of Turin and the Institute of Advanced Energy Technology of the Italian National Research Center has been exploring technologies that can store heat at high density for a long time without causing unacceptable losses
.
In a recent academic paper, "Scientific Report" [Lavagna et al.
, (2020) DOI: 10.
1038/s41598-020-69502-0?], researchers have proved that heat is generated by the hydration of the salt in the cement pores.
The potential of this method can be compared with most known materials in terms of energy costs in terms of storage
.
? In composite materials for thermochemical heat storage, a properly adjusted cement-based matrix proved to be feasible and much cheaper for stored energy
.
The total cost of the used materials is very low, and the energy performance is good-even after hundreds of heating/cooling cycles, it still has excellent stability
.
? As team leader Eliodoro Chiavazzo said, “One of the main contributions of this work is the introduction of a new “in-situ” program for the synthesis of composite materials, which includes the preparation of porous cement embedded in salt and the use of cement As a matrix, it has a complex chemical composition and interaction, which is also useful for further understanding the long-term performance of the adsorbent composite material
.
The team now hopes to introduce the basic components of the composite material into a system optimization program to further improve the material, including water absorption , Heat release, temperature rise, and reduce the cost of stored energy, while maintaining the stability within the acceptable time and cycle
.