In this paper, we demonstrate a compact, chip-based device that allows for direct storage of solar energy as chem- ical energy that is released in the form of heat on demand and then converted into electrical energy in a controlled way.
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Germany produced 18% of its electricity through solar power in 2025, up from 14% in 2024, a significant leap that meant solar overtook both coal and methane gas in the country's electrical supply – despite the high latitudes the whole country sits at.
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Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation.
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A newly developed hybrid energy device demonstrates how combining solar and triboelectric technologies can unlock previously untapped environmental energy sources.
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