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First the source is selected considering the best way in specific case in examle example photovoltaics(PV) in very sunny place etc. After or during the energy harvesting(EH) the energy which is harvested from the source will be conversed to electricity and stored to suitable store (capacitor, rechargeable battery) or used instantly.
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Companies in this field
Energy harvesting
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applications
IDTechex: Energy harvesting and storage for electronic devices
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