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Datacentre waste heat stored in concrete as 500-degree thermal battery emerges

A concrete-based thermal battery has been developed to store heat that was previously discarded during datacentre cooling and reuse it later. The system collects waste heat from servers and can supply it to cooling equipment and industrial processes, aiming to improve energy efficiency. A prototype stores 150 kWh, withstood temperatures up to 500 degrees and achieved more than 70 percent efficiency in a full charge-discharge test. The technology is moving toward commercialisation.

Industry

Standard Energy introduces VIB ESS technology to EU delegation

Standard Energy said European commercial and embassy officials in South Korea visited its Daejeon site on Sept. 9 as part of an innovation partnership event hosted by the Innopolis Foundation. About 20 participants from the EU delegation and the French and German embassies toured a VIB ESS demonstration site at KAIST Munji Campus and the company’s automated production line. The visit focused on VIB’s safety features, high output and commercialization progress.

Industry

Data centre water use could double by 2030 as AI reshapes cooling methods

Data centre water use is rising rapidly as AI spreads, making changes to cooling infrastructure a key industry task. International Energy Agency data cited by TechRadar put annual consumption at about 560 billion litres, with a recent report projecting it could reach up to 1.2 trillion litres by 2030. The article outlines alternatives such as closed-loop liquid cooling, direct chip and node cooling, high-temperature water systems and waste-heat reuse, alongside site selection strategies to ease pressure on freshwater supplies.