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Wallpaper Generates Electricity from Humidity: Powering Gadgets Without External Source
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News18•04-10-2026, 12:30
Wallpaper Generates Electricity from Humidity: Powering Gadgets Without External Source
- •Researchers at Binghamton University have developed a wallpaper that can generate electricity from the humidity in the air.
- •This technology does not require sunlight or a separate power source, utilizing humidity from cooking, bathing, or even breathing.
- •The wallpaper works using tiny moisture-electric generators that absorb humidity, separating ions to create a continuous voltage flow.
- •It could be more effective than solar panels as indoor humidity levels (30-60%) allow for continuous electricity generation.
- •The 'papertronics' design uses glycerol to absorb moisture and a polymer layer to prevent evaporation, ensuring continuous flow for power.
Key Questions Answered
The wallpaper utilizes extremely small moisture-electric generators that absorb indoor humidity. When the moisture reaches the paper, it separates the internal ions, creating a continuous voltage flow between the front and back parts of the paper.
Researchers at Binghamton University have created wallpaper that produces electricity by using the humidity present inside a room, such as moisture from cooking, bathing, or breathing, without requiring sunlight or a separate power source.
The wallpaper can power several small gadgets in the house, and researchers have successfully operated a wireless keyboard using this generated electricity. However, larger appliances like refrigerators or air conditioners cannot be powered by it.
