High-Performance Batteries for Stationary Energy Storage and Electric-Vehicle Propulsion, Progress Report: January-March 1978 Page: 37
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37
Table IV-1. Materials Costs for the ANL Multiplate Cell
Weight, Projected Cost
kg/kW-hr $/kg $/kW-hr
Positive Electrode Components
Li2S 1.0 3.70 3.70
Fe Powder 1.2 0.20 0.24
LiCl-KC1 0.67 1.20 0.80
Fe (Current Collector) 0.3 0.15 0.05
Negative Electrode Components
Al 1.7 1.10 1.90
Li 0.07 17.00 1.20
LiCl-KC1 0.67 1.20 0.80
Separator Components
BN Felt 0.2 57.5 11.50
LiCl-KC1 0.8 1.20 0.90
Other
Insulation 0.3 1.20 0.40
Feedthrough 0.7 0.45 0.45
Miscellaneous 0.7 -- 1.26
TOTAL 8.31 23.2
1. Uncharged MS2 Cells with Pressed Electrodes
(L. G. Batholme)
An engineering Li-A1/NiS2-CoS2 cell, namely, R-31, was assembled in
the uncharged state with hot-pressed electrodes. This cell has been
operating for more than 221 days and 513 cycles. In this period, the
capacity declined less than 20%. In a similar cell, R-36, carbon powder that
had been heat-treated at 1000 C was added to the positive electrode to enhance
c,.rrent collection. This cell has operated for over 142 cycles (92 days) and
has maintained a lower resistance and higher utilization than R-31.
2. Charged MS2 Cells with Pressed Electrodes
(. ,. Martino)
An M-series cell, M-4, was built with a positive electrode contain-
ing a mixture of iron sulfide and nickel sulfide (69 mol % FeS1.46 - 31 mol %
NiS1.46) as well as molybdenum powder to improve current collection. A lower
sulfur-to-metal ratio in this cell was expected to improve cell lifetime over
that of previous MS2 cells. Cell M-4 operated for 300 cycles (172 days) and
retained nearly 83% of its initial capacity (112 A-hr at the 4-hr rate). A
sumary of the cell capacity over the 300 cycles is shown in Fig. IV-3.
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Nelson, P. A. High-Performance Batteries for Stationary Energy Storage and Electric-Vehicle Propulsion, Progress Report: January-March 1978, report, July 1978; Argonne, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc303748/m1/43/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.