High voltage discharge processing device for metal foil surface treatment
A high-voltage discharge and surface treatment technology, which is applied to the surface coating device, surface pretreatment, electrode manufacturing, etc., can solve the problem of affecting the electrical parameters of the pole piece, the metal foil adhesion is not strong, and the fast wide width cannot be realized. Problems such as double-sided sleeve coating to achieve the effect of reducing battery internal resistance, reducing thermal effects, and reducing the increase in dynamic internal resistance
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[0031] In the following, the present invention will be described in detail by taking the wide-width pole piece double-sided coating machine for power battery / supercapacitor as an example.
[0032] The wide-width pole piece double-sided coating machine for power batteries / supercapacitors coats the dispersed nano-conductive graphite and carbon coated particles uniformly and delicately on the front and back of the aluminum foil or copper foil. , In high-capacity power batteries, super capacitors and other high-energy storage equipment, especially power batteries / super capacitors that require short charging time, large electrical energy storage, and long cycle life, have a leap in technology.
[0033] Such as figure 1 As shown, the coating machine of the present invention includes a lower drying tunnel 51 and an upper drying tunnel 52 arranged above the frame structure, and an unwinding unit, a winding unit, a high-voltage discharge processing device 3, and a front coating device arrang...
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