Product Introduction This product is a continuous ultra-thin lithium film attached to the bearing layer, with micron level through-holes. The thickness of microporous lithium film is uniform and the amount of lithium replenishment is controllable.  Porosity＜1%     Chemical index Li ≥ (%) Impurity Content ≤ (%) Na K Ca Si Fe Al Ni Mg Cu Cl- N Pb 99.90 0.02 0.005 0.02 0.008 0.005 0.005 0.003 0.01 0.004 0.006 0.02 0.003     Micron level microporous lithium film Specifications The dimensions and tolerances are as follows, and the specific specifications are customized according to customer’s requirements. Thickness and tolerance (Unit: μm) Width and tolerance (Unit: mm) Thickness Tolerance Width Tolerance ≥5 ±1 60-350 ±0.5     Scope Of Application This product is mainly suitable for prelithiation of silicon carbon / silicon oxygen anode.