Safety studies on Li/SOCl/sub 2/ reserve battery. Final report 30 sep 81-30 mar 83
The effects of cell design and metal-phthalocyanine catalysts on the safety of Li/S0C12 reserve cells were evaluated. Cathode-limited design cells either vented or exploded during forced overdischarge. Both forced overdischarge current density, and overdischarge time into reversal influenced the cell failure unpredictably. Anode-limited design cells, on the other hand, generated severe internal heat during reversal, but sustained higher forced overdischarge current densities than cathode-limited design cells without either venting or exploding. When the 1.5M LiAlCl/sub 4//S0Cl/sub 2/ was replaced with 1.5M LiAlCl/sub 4//S0/sub 2/Cl/sub 2/ electrolyte in the cathode-limited design cells, both the cell discharge life and cell safety improved. The catalyst stability and stainless stel (bellow material) compatibility were also studied in both neutral and acidic electrolytes. The catalyst was found to be stable and the stainless steel specimens (316L and 321) experienced only surface corrosion after 12-month storage. The surface film formed during the initial surface corrosion appeared to inhibit further corrosion. Heat cool cycles between -40 and 71 C of fresh cells and partially or fully discharged D-cells did not adversely influence the cell pressure at the end of 100% depth of discharge.
- Research Organization:
- Honeywell, Inc., Horsham, PA (USA). Power Sources Center
- OSTI ID:
- 5415643
- Report Number(s):
- AD-A-132279/1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
250901* -- Energy Storage-- Batteries-- Design & Development
ALLOYS
CATALYSTS
CHEMISTRY
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
ELECTRIC BATTERIES
ELECTRIC DISCHARGES
ELECTROCHEMICAL CELLS
ELECTROCHEMISTRY
ELECTRODES
EXPLOSIONS
HAZARDS
IRON ALLOYS
IRON BASE ALLOYS
LITHIUM-CHLORINE BATTERIES
METAL-GAS BATTERIES
SAFETY
STABILITY
STAINLESS STEELS
STEELS