CNT

Specifications

CNT for Cathode (MWCNT) CNT for Anode (TWCNT)
Diameter (㎚) 7 ∼ 12 5 ∼ 7
Length (㎛) 100 ∼ 200 50 ∼ 150
BET (㎡/g) 250 ∼ 250 500 ∼ 700
Density (g/cc) 0.07 ∼ 0.09 0.07 ∼ 0.09
Purity (wt%) ≥ 97.0 ≥ 96.5

Microstructures

Impurities of MWCNT

Fe Ca Cr Cu Ni Si Zn Na
Spec. ≤ 20ppm ≤ 300ppm
ppm 0-3 6 0 0 5 12 4 60

Low content of Fe in CNT stands for high purity and our MWCNT has about 0-3ppm.

Purity of CNT plays important role in impedance.

Graphene

Specifications

Products N (%) C (%) H (%) S (%) O (%)
Graphene Oxide HGO N.D 45 - 47 < 2.0 < 0.5 40 - 44
reduced Graphene
Oxide
rGO-T N.D 90 - 93 < 0.3 < 1.0 2 - 3
rGO-PN N.D 83 - 89 N.D N.D 10 - 15
rGO-PN N.D 90 - 96 N.D N.D 3 - 8

GO Particle Size & Raman

rGO Microstructure