Hungary-based Heatventors is offering its new thermal energy storage system with capacities of 10 kWh, 30 kWh and 60 kWh. The thermal battery can be combined with solar energy and has an expected lifespan of more than 10,000 cycles.
Hungary-based Heatventors Ltd. has developed a non-flammable thermal energy storage system that reportedly can Save up to 90% space compared to traditional storage technologies or water tanks.
“Our thermal battery can store energy with a high energy density of 30 kWh/m3,” said company CEO and founder Christoph Thomas. pv magazine. “It can be integrated into the cooling and heating system of any building where a fluid circulates in the system, ideal for buildings with high energy consumption, such as hotels, data centers, commercial spaces, medical facilities and offices. It is also applicable to various processes, such as wine cooling, cosmetics production and cooling of processing machines and ovens.”
According to the manufacturer, the thermal battery can also be used in combination with a PV system, as it can store the excess energy generated by the solar panels and use it when it is most needed. “Another advantage is that we can continuously maintain the desired temperature, even with PV.”
The system is based on an unspecified type of phase change material (PCM). PCMs can do that absorb, store and release large amounts of latent heat within defined temperature ranges. They are often used at research level for the cooling of PV modules and the storage of heat. The battery can reportedly store energy for a long period of time between -30 C and 120 C, with only 1-2% energy loss per day.
Heatventors offers the system with capacities of 10 kWh, 30 kWh and 60 kWh. It can be installed indoors and outdoors and can be “easily” connected to any liquid-based cooling and heating system. “It can be connected to any system if the end use is cooling or heating, and there is an energy converter that converts the electrical energy,” Thomas explains.
The company also claims that the system has an expected lifespan of more than 10,000 cycles. “Our battery can guarantee significant energy savings through a proprietary control system,” Thomas added. “It reduces consumption peaks, allows energy producers to work at optimal part loads and reduces maintenance costs.”
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He also explained that the company is currently working on a new 1.2 MWh version of the system. “The modular structure of our solution ensures that all capacity needs can be met,” he said.
“The price largely depends on the system requirements, but experience shows that the return on investment is approximately 3-6 years, depending on energy prices,” concludes Thomas. “We currently have more than 40 batteries installed worldwide in countries such as Hungary, Portugal, France, Spain, Italy and Oman. Our main customers are large-area buildings such as offices, hotels, shopping centers, factories, data centers and any facility with significant cooling and heating needs.”
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