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Have you ever imagined a future where your clothes, bags, and even your hat can generate power on their own? One day, we might not need huge power stations anymore—just a small device that can generate electricity anytime, anywhere. Recently, researchers at Fudan University have taken a major step forward in this vision by developing aligned carbon nanotube fibers, which are key to creating a fully fibrous energy system. This breakthrough has led to the development of a new type of solar fiber battery that could allow us to harness solar energy efficiently and conveniently, anytime and anywhere.
Professor Peng Huisheng from Fudan University's Advanced Materials Laboratory and Department of Polymer Science has created a flexible, integrated fibrous energy device. This innovative technology produces a solar cell as thin as a strand of hair, with a diameter ranging from 60 to 100 microns. Because of its fibrous structure, it can be woven into fabrics like regular synthetic fibers, turning everyday clothing into large-scale solar panels. Imagine wearing a jacket or a pair of pants that can generate electricity while you walk or move around.
What makes this technology even more impressive is that the solar fiber battery can both convert sunlight into electricity and store the energy—all without needing additional batteries or storage systems. Even when there’s no sunlight, such as during nighttime or in low-light conditions, the stored energy can still be used whenever needed. This could revolutionize how we power our devices, making portable and sustainable energy more accessible than ever before.