A na-eji igwe a na-eji sliting na rewinding dị iche iche nnukwu mpịakọta ihe dị ka akwụkwọ.(30g / m2 ~ 500g / m2 na-abụghị carbon akwụkwọ, capacitance akwụkwọ, Kraft akwụkwọ), Aluminom foil, laminated ihe onwunwe, okpukpu abụọ ihu nrapado teepu, ntekwasa akwụkwọ, wdg.