A promising method to produce fiber batteries on an industrial scale

https://phys.org/news/2022-02-method-fiber-batteries-industrial-scale.html

"composed of a parallel cathode and anode, encapsulated by an electrolyte, with remarkable production rates of 250 m h-1... "Our three-channel industrial spinneret simultaneously extrudes and combines the electrodes and electrolytes... can yield a remarkable 1,500 km of continuous fiber batteries for each individual spinneret unit used. This is over three times more batteries than those produced by the best performing techniques developed so far"