Scientists have sought to 3D print a fiber battery system for a long time. It's a method of using 3-D printing to integrate a battery device. There would be no need for further enhancements because the system's efficiency would be so high.
Researchers have invented a rechargeable lithium-ion battery in the shape of an ultra-long fibre, which could make the dream a reality soon. It also can be woven into garments. The battery could potentially revolutionize the Primary Flexible Battery Market to power a wide range of wearable electrical gadgets. Further, it could even be used to create 3D-printed batteries of any shape.
The researchers showed that the material could be stretched to any length. This was done by developing the world's largest flexible fiber battery, measuring 140 meters in length.
The new fiber battery is made with innovative gels and standard fiber-drawing technology. The design begins with a giant cylinder holding all the components and warming it to below the melting point. The material is drawn through a small aperture, compressing all elements to a fraction of their original diameter while keeping the original part arrangement.
The fact that they could create a 140-meter fiber battery demonstrates that "the length has no evident upper limit." The team added that a kilometer-scale length might also be possible.
The Demonstration device built by the researchers utilized the new fiber battery. It consisted of a "Li-Fi" communications system. The technology used was one in which light pulses are used to transmit data. The method further included a transistor, diodes, microphone, and pre-amp to help establish an optical data link between two woven fabric devices.
According to the researchers, the 140-meter fiber created so far has a 123 milliamp-hour energy storage capacity, which may charge smartwatches or phones. The fiber device is only a few hundred microns thick, much slimmer than any previously developed fiber-based battery
Typically, other systems require the integration of several fiber devices. The beauty of the current approach is that it can embed multiple devices in a single fiber. The team exhibited LED and Li-ion battery integration in a single fiber. They believe that more than three or four devices can be coupled in such a compact space in the future. When these multi-device fibres are combined, the aggregate will advance the realization of a compact fabric computer.
The researchers anticipate new possibilities for self-powered communications, sensing, and computation gadgets that could be worn like regular clothing and whose batteries could be doubled.
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