Abstract
AbstractThe utilization of various environmental renewable energy is an important way to achieve carbon peak and carbon neutrality. Most current multisource energy harvesters are achieved by integrating several single generators with independent structures and discrete mechanisms. Here, a multisource energy harvester (MEH) is proposed which can simultaneously collect raindrop, solar, and thermal energy with coupling structure and multiplexing mechanism. The MEH uses metal to connect n‐type and p‐type silicon coated with indium tin oxide (ITO) into a π‐type structure, and then cover the ITO surface with a layer of PTFE film. With this compact and coupled configuration, the triboelectric, photovoltaic, and thermoelectric effects can all contribute to the power generation by the multiplexed function elements and communal electrodes. The average power density of the MEH can reach 4.44 mW m−2. Moreover, the power supply ability of the array MEH has been demonstrated by charging capacitors and driving electronics. This work designed a highly integrated multisource energy harvester, providing a promising solution for energy supply in complex natural environments.
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