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    Transforming waste heat directly into electricity

    Directly into electricity

    With car engines, when heating homes and in industrial processes, part of the energy used is emitted as heat to the surroundings. Thermoelectric generators, however, are able to exploit this energy reservoir, which has previously been largely untapped.

    Thermoelectrics works in two directions: it can convert heat directly into electricity or, as a so-called Peltier element, use electrical power to generate cooling energy. Put simply, thermoelectric elements consist of two different conductive materials whose electrical contacts are located in different temperature ranges.

    The difference between the two temperatures creates an electrical voltage and thus power. These days the elements are able to generate up to 1,000 watts. materials will be able to process larger temperature differences and thus generate even greater outputs. The major advantage of thermoelectric elements is that they work vibration-free, silently and with no moving parts. They therefore require relatively low maintenance and have long service lives.

    Until now, thermoelectric elements have been particularly used in aerospace, for example in the Mars rover Curiosity, in energy-autonomous and maintenance-free sensors, for cooling electrical equipment and in silent hotel fridges and camping cool boxes. In future, the elements could play a greater role in the automotive industry, for example for supporting on-board power supplies and for utilising industrial waste heat.

    ELE Times Bureau
    ELE Times Bureauhttps://www.eletimes.com
    ELE Times provides a comprehensive global coverage of Electronics, Technology and the Market. In addition to providing in depth articles, ELE Times attracts the industry’s largest, qualified and highly engaged audiences, who appreciate our timely, relevant content and popular formats. ELE Times helps you build awareness, drive traffic, communicate your offerings to right audience, generate leads and sell your products better.

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