Page 281 - Battery Reference Book

Table 24.1 Effect of electrolytes and storage conditions on discharge performance of Honeywell lithium - sulphur dioxide reserve batteries at 560mAh
Electrolyte No. of Electrolyte storage Life (h) tu Average voltage [ V) Capacity (Ah) tu Cathode
cells A kg to
2.71 V 2.00v 2.71 V 2.00v 2.71 V 2.00v 2.71 V
At -2°C
IM LiBr:acetonitrile:SOz No 23 1 25 1 2.840 2.81 8 0.655 0.706 1.64
0.25M LiAsF6:acetonitrile:SOz No 164 165 2.853 2.851 0.468 0.471 1.17
0.50~ LiAsF6:acetonitrile:SO2 No 208 215 2.851 2.843 0.593 0.610 1.48
IM LiBr:acetonitrile:SOz 4 weeks at +71"C 226 247 2.830 2.793 0.640 0.690 1.60
0.25~ LiAsF6:acetonitrile:SOz 4 weeks at +71"C 174 180 2.808 2.795 0.487 0.501 1.22
0.50~ LiAsF6:acetonitrile:SOz 4 weeks at +7t"C 256 296 2.802 2.775 0.716 0.820 1.80
l~ LiBr:acetonitrile:SO2 4 weeks at -54°C 226 248 2.832 2.797 0.640 0.694 1.60
0.25M LiAsF6:acetonitrile:SOz 4 weeks at -54°C 209 237 2.824 2.783 0.590 0.660 1.48
0.50~ LiAsF6:acetonitrile:sOz 4 weeks at -54°C 223 238 2.823 2.800 0.630 0.665 1 .58
At +32"C
IM LiBr:acetonitrile:SO2 No 148 154 2.848 2.833 0.420 0.435 1.05
0.25~ LiAsF6:acetonitrile:SOz No 143 144 2.845 2.845 0.409 0.410 1.02 c:
rr
0.50~ LiAsF6:acetonitrile:SOz No 175 179 2.844 2.836 0.498 0.508 1.25 5
IM LiBr:acetonitrile:SOz 4 weeks at +71"C 147 152 2.848 2.836 0.419 0.43 I 1.05 $
0.25~ LiAsF6:acetonitrile:SOz 4 weeks at +71"C 151 153 2.843 2.838 0.428 0.435 1.07 v)
E
0.50~ LiAsF6:acetonitrile:SOz 4 weeks at +71"C 169 181 2.846 2.825 0.481 0.510 1.21 U
zi
1 M LiBr : acetonitrile: SO2 4 weeks at -54°C 155 161 2.822 2.807 0.437 0.452 1.09 5
0.25~ LiAsF6:acetonilrile:SOz 3 4 weeks at -54°C 145 146 2.853 2.850 0.413 0.416 I .03 n
0.50~ LiAsF6:acetonitrile:S02 2 4 weeks at -54°C 176 184 2.850 2.836 0.502 0.520 1.26 0
25.
- Q
(D
Cells were discharged through a constant resibtive load of 1000 C2, which corresponds to a current density of 0.24mA/cm3 of 560mAh reserve batteries at -2°C 4.
2
3