| |
Electrolytes for secondary Lithium ion battery |
| |
Model |
Formulation |
Density(25℃) g/cm3
|
Conductivity(25℃)mS/cm
|
LB-301 |
EC/DMC 1:1(W/W) LiPF61mol/l |
1.290±0.010 |
11.5±0.5 |
LB-302 |
EC/DEC 1:1(W/W) LiPF6 1mol/l |
1.220±0.010 |
7.8±0.5 |
LB-303 |
EC/DEC/DMC 1:1:1(W/W) LiPF61mol/l |
1.210±0.010 |
9.8±0.5 |
LB-304 |
EC/DMC/DEC 2:2:1(W/W) LiPF61mol/l |
1.220±0.010 |
10.5±0.5 |
LB-313 |
EC/DMC/EMC 1:1:1(V/V) LiPF61mol/l |
1.240±0.010 |
10.5±0.5 |
LB-315 |
EC/DMC/EMC 1:1:1(W/W) LiPF61mol/l |
1.225±0.010 |
10.5±0.5 |
…… |
………… |
………. |
………. |
|
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|
| |
Specifications of secondary electrolytes |
|
| |
Item |
Unit |
Specification |
Test Method |
Moisture |
Wt ppm |
≤20 |
Karl-Fischer |
HF |
Wt ppm |
≤50 |
Titration |
Cl |
Wt ppm |
≤1 |
Nephelometry |
SO4 |
Wt ppm |
≤10 |
Nephelometry |
Pb |
Wt ppm |
≤1 |
AAS |
Fe、Na、K、Ca |
Wt ppm |
≤1 |
AAS |
Colority |
APHA |
≤50 |
Pt-Co Colorimetry |
|
|
