Lib-ES21700 is a class of electrode strips with various types of materials, such as graphite anode, as well as LFP, NCM111, NCM523, NCM622, and NCM811 cathodes, which is designed for 21700 cylindrical cell winding. 

Specifications

Current Collector (Substrate)	Copper foil (9 um) for anode and aluminum foil (16 um) for cathode
Anode/Cathode material	Graphite, LiFePO4, NCM111, NCM523, NCM622, NCM811 Double-sided coating on copper or aluminum foil
Dimensions	Anode: 885mm(L) x 62.5mm(W) x 0.15mm(T) Cathode: 1000mm(L) x 59.5mm(W) x 0.145mm(T) For various anode + cathode combinations, the anode and cathode length may vary a little bitter to ensure the winding cell can be inserted into 21700 cylindrical cell case.
Active Material Proportion in Powder	Anode: 95.4% Cathode: 93.2%
Area Density (double-sided)	Anode: 13.6 mg/cm2 Cathode: 29.0 mg/cm2
Capacity	Graphite:   330mAh/g LFP:           150 mAh/g NCM111:   150 mAh/g NCM523:  155 mAh/g NCM622:   170 mAh/g NCM811:  170 mAh/g