Lithium/pyrite battery
An iron disulfide battery, iron disulfide technology, applied in the electrodes of primary batteries, battery pack components, non-aqueous electrolyte batteries, etc., can solve the problem of short storage life of semi-sealed batteries, easy aging of insulating sealing rings, and electrolyte penetration. Liquid leakage and other problems, to achieve the effect of improving the working characteristics of high current, small physical internal resistance, and reducing the speed of chemical reaction
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[0022] The composition and manufacturing method of the lithium / iron disulfide battery cathode are as follows: 85% iron disulfide, 3.5% acetylene black, 3.5% graphite and 8% polyvinylidene fluoride are mixed, stirred for 2 hours to form a slurry, and the aluminum foil current collector is packed Install the coating machine, adjust the height of the front and rear gates of the coating machine, the temperature of the drying box of the coating machine is 140 ° C, and the coating speed is 15 Hz, to ensure that the thickness deviation of the coated pole piece is about 10 microns, and the coating thickness is about 300 μm. Density 48mg / cm 2 . Set the temperature, coating speed, tension control and other parameters of each box area. The prepared and stirred iron disulfide slurry is added to the feed tank, coated, and dried in an oven.
[0023] The battery shell 2 can be a stainless steel shell; the safety venting device 5 at the bottom of the shell can safely vent the battery under ...
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