▎ 摘　　要

NOVELTY - A device comprises fabric-based friction nano-generator and fiber-based lactic acid enzyme biofuel cell. The fabric-based friction nano-generator and fiber-based lactic acid enzyme biofuel cell are assembled together by sewing. The fabric-based friction nano-generator is formed by weaving generating fiber. The generating fiber comprises warp power generating fiber (1) and weft power generating fiber (2). The warp power generating fiber and weft power generating fiber are vertically crossed. USE - The fabric-based wearable composite energy collecting device is used in preparing wearable electronic product (claimed). ADVANTAGE - The device is flexible, bendable and stretchable, has low manufacturing cost, simple manufacturing method, good ventilation property and comfortable wearing, and continuously supplies power to wearable device under condition of human body movement and sweating. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing fabric-based wearable composite energy collecting device comprising: using fabric to tightly winding conductive fiber along conductive fiber ring, exposing two ends of conductive fiber to obtain conductive fiber wrapped by fabric, configuring flexible polymer solution, soaking conductive fiber wrapped fabric in flexible polymer solution, taking out and removing redundant flexible polymer solution, and drying at 70-90degrees Celsius for 1-3 hours to obtain power generating fiber; using knitting process, arranging power generating fiber along warp direction, arranging residual length power generating fiber along weft direction, weaving to obtain fabric-based friction nano-generator vertically and crossly arranged in warp and weft direction, orderly using naphthoquinone solution, lactic acid oxidase and chitosan/glutaraldehyde mixed solution to dip conductive fiber, and drying to obtain lactose/conductive fiber-based anode; and using mixed solution of reducing oxygen noble metal and conductive fiber to dip conductive fiber, drying to obtain reducing oxygen noble metal/conductive fiber-based cathode, and respectively sewing lactase/conductive fiber-based anode and reducing oxygen noble metal/conductive fiber-based cathode on surface of fabric-based friction nano-generator. DESCRIPTION OF DRAWING(S) - The drawing shows a structure pattern of fabric-based wearable composite energy collecting device. Warp power generating fiber (1) Weft power generating fiber (2)