|
Comparison of High Temperature Batteries: Oxis' Li-S against
others
| |
Lithium-Tionyl Chloride (Li-SOCl2)
|
Li-ion
|
Ni-MH
|
Oxis (Li-S)
|
| Rated Voltage, V |
3.6
|
3.6
|
1.2
|
2.1
|
| Number of full charge-discharge cycles at
Room Temperature |
0 (non-rechargeable)
|
500
|
400-800
|
150-200
|
| Number of full charge-discharge cycles at
80oC |
0 (discharge only)
|
0
|
0
|
50
|
| Rechargeable performance at 140oC |
discharge only
|
No
|
No
|
Yes
|
| Energy Density Wh/l |
800-1000
|
400-450
|
130-220
|
350-400
|
| Rated recharge time |
Non-rechargeable
|
5 hours
|
16 hours
|
5 hours
|
| Tolerant to overcharge |
n/a
|
No
|
Yes
|
Yes
|
| High power delivery |
Poor
|
Good
|
Very Good
|
Very Good
|
| Principal limitations for operating
at 165oC |
Melting of Li
|
Degradation of chemistry
|
Degradation of chemistry
|
Same as Li-SOCl2
(Melting of Li)
|
|
|
|
