Chemical Composition
|
Element |
BQ-Al-1 Content (%) |
BQ-Al-2 Content (%) |
BQ-Al-3 Content (%) |
|
Zinc (Zn) |
2.000~6.000 |
2.500~5.750 |
4.750~5.750 |
|
Indium (In) |
0.010~0.020 |
0.015~0.040 |
0.015~0.020 |
|
Silicon (Si) |
0.080~0.200 |
0.120 max. |
0.060~0.120 |
|
Iron (Fe) |
0.130 max. |
0.090 max. |
0.120 max. |
|
Copper (Cu) |
0.006 max. |
0.003 max. |
0.003 max. |
|
Cadmium (Cd) |
— |
0.002 max. |
0.002 max. |
|
Other Impurities |
0.100 max. |
0.100 max. |
0.100 max. |
|
Aluminum (Al) |
Remainder |
Remainder |
Remainder |
Electrochemical Performance
|
Technical Measurement |
Performance |
|
Open Circuit Voltage (min.) |
-1.10 Volts |
|
Closed Circuit Voltage (min.) |
-1.05 Volts |
|
Current Capacity |
2500 A.h/kg (1135 A.h/lbs) |
|
Current Efficiency (min.) |
90% |
|
Consumption Rate |
3.4 kg/A.y (7.6 lbs/A.y) |
* The open/closed circuit voltage is with respect to a Ag/AgCl reference electrode.