Formula of thermal battery CoS2 cathode material and processing technology
A technology of positive electrode material and processing technology, which is applied in the formulation and processing technology of thermal battery positive electrode material CoS2, which can solve the problems of battery safety, battery pressure increase, etc.
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Embodiment 1
[0015] A treatment process and formulation of a positive electrode material for a thermal battery: the positive active material cobalt disulfide (CoS 2 ) material into the enamel tray, put it into the vacuum drying oven to remove water at 125°C. The positive electrode active material cobalt disulfide (CoS 2 ) materials were sintered at 500°C for 8 hours under the protection of an inert gas, sieved after cooling, and pressed cobalt disulfide (CoS 2 ) 80%, lithium oxide 5%, and eutectic salt 15%, sintered at 500°C for 6 hours, cooled to room temperature, milled, passed through an 80-mesh sieve, and bottled for later use. The mass percent composition of the eutectic salt is: 68.44% LiBr, 22% LiCl and 9.56% LiF.
Embodiment 2
[0017] A treatment process and formulation of a positive electrode material for a thermal battery: the positive active material cobalt disulfide (CoS 2 ) material into the enamel tray, put it into the vacuum drying oven for 125 ℃ high temperature dehydration. The positive electrode active material cobalt disulfide (CoS 2 ) materials were sintered at 500°C for 8 hours under the protection of an inert gas, sieved after cooling, and pressed cobalt disulfide (CoS 2 ) 73.5%, lithium oxide 5.5%, and eutectic salt 21%, sintered at 400°C for 6 hours, cooled to room temperature, milled, passed through an 80-mesh sieve, and bottled for later use. The mass percent composition of the eutectic salt is: 36.53% LiBr, 12.05% LiCl and 51.42% KBr.
Embodiment 3
[0019] A treatment process and formulation of a positive electrode material for a thermal battery: the positive active material cobalt disulfide (CoS 2 ) material into the enamel tray, put it into the vacuum drying oven for 125 ℃ high temperature dehydration. The positive electrode active material cobalt disulfide (CoS 2 ) materials were sintered at 500°C for 8 hours under the protection of an inert gas, sieved after cooling, and pressed cobalt disulfide (CoS 2 ) 75%, lithium oxide 5%, eutectic salt 20%, sintered at 360°C for 6 hours, cooled to room temperature, milled, passed through an 80-mesh sieve, and bottled for later use. The mass percent composition of the eutectic salt is: 0.68% LiF, 42.03% KBr and 57.29% LiBr.
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