A preparation method of thin-film single thermal battery with central hole
A central hole, thin-film technology, used in the manufacture of primary battery equipment, primary batteries, circuits, etc., can solve the problems of electrode material waste, short circuit, poor resistance to overload and shock, avoid battery failure, reduce manufacturing costs, Effective against high overload shocks
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[0028] Such as figure 1 As shown, a method for preparing a thin-film monolithic thermal battery with a central hole includes a mold body. First, a collector sheet 1 with a central hole and an inert choke ring 2 are sequentially placed in the mold body from bottom to top. The negative electrode film and the electrolyte diaphragm are placed in the choke ring 2 sequentially, and finally the positive electrode film is placed on the upper end of the inert choke ring and moved to a hydraulic press for compression molding. (Placement order needs to be modified)
[0029] The current collector sheet 1, the negative electrode film sheet 3, the electrolyte diaphragm sheet 4 and the positive electrode film sheet 5 are all mesoporous sheet structures.
[0030] The material of the current collector sheet 1 is nickel sheet, stainless steel sheet, copper foil or graphite paper and the like.
[0031] The inert choke ring 2 is made of asbestos fiber and magnesium oxide, or is made by punching...
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