At present, intelligent fiber is mainly applied in wearable health care, knitted fiber energy and fiber battery, etc.
Intelligent Fiber Applied in Healthcare
In healthcare, intelligent fiber is applied in touch and pulse signal perception. It is a sensor based on fiber pressure, which is based on the conductive pattern of ordinary fabric and used carbon tube-clad cotton yarn as the top electrode. The fiber itself is composed of bundles of fibers that are micrometers in diameter. The porous structure between the bundles and between the fibers can provide a large amount of specific surface area, thus greatly improving the sensitivity of the pressure sensor. It means that small changes in pressure can cause the sensor to response. This kind of fiber tactile sensor can be attached directly to the skin to detect pulse signals.
Knitted Fiber Energy for Self-Charging Energy Clothing
As an excellent energy supply for functional devices such as fiber tactile sensors, fiber energy can slowly replace rigid lithium batteries with its excellent flexible and portable advantages. Because the generator fiber (TENG yarn) and asymmetric supercapacitor fiber (ASC yarn) have good softness and are a little thicker than ordinary fibers, they can be directly knitted in ordinary fabrics. When skin or other fibers touch the surface of the generator fiber, the generator fiber can be worn to any moving parts of human body by the coupling of triboelectric effect and electrostatic induction effect. The energy from human movement is converted into electricity anytime and anywhere, and then stored in flexible asymmetric capacitors to power wearable devices. What’s more, this energy clothing is air permeable and washable. It is the same as ordinary clothing, which is very convenient.
Fiber New Energy Tailorable Zinc Batteries
Inspired by tie-dye, a zinc battery can be printed directly on an ordinary fabric base. This zinc battery is extremely soft, light and thin. And different nanomaterials can be deposited on the electrodes to show patterns of different colors. The conductive fiber is based on common polyester fabric. After it is deposited battery active material, it can keep the original porous structure of fiber.
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Post time: Feb-22-2023