Preparation method of connecting conductor material for energy storage system

A technology for connecting conductors and energy storage systems, applied in metal material coating process, manufacturing tools, heat treatment equipment, etc. The effect of non-fitting and reducing pollution

Pending Publication Date: 2022-02-08
JIANGSU K TECH PRECISION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention adopts the nickel-aluminum composite material, which improves the connection performance of the material, greatly improves the battery life of the power battery, and significantly improves the use efficiency of the power supply under the technical conditions of the existing energy storage system, and uses the polymer diffusion welding technology for material composite welding, which is effective The cost of material preparation is reduced, and the pollution to the environment is reduced; the insulating material is sprayed on the surface of the composite material, which effectively improves the safety performance and service life of the battery, and solves the problems of non-fitting casing, complicated process, and easy rupture of the traditional process. question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] (1), preparation of pure nickel foil

[0055] (1) Surface treatment: use the electrolytic nickel plate with a purity of 99.9999% as the raw material, remove the oxide on the surface of the electrolytic nickel plate through surface treatment equipment (such as a wire brush), then polish the nickel plate around it, and rinse it with a high-pressure water gun. And blow dry through the blowing system to remove surface residues;

[0056] (2) Heat treatment: heat the electrolytic nickel plate after the above-mentioned surface treatment to 960° C. in a heating furnace, keep it warm for 1 hour, and roll the electrolytic nickel plate to 1.5 mm with a hot rolling mill after being released from the furnace;

[0057] (3) Remove surface scale: use surface treatment equipment to remove surface scale;

[0058] (4) Cold rolling: the above-mentioned electrolytic nickel plate removed from the surface scale is carried out by a cold rolling mill for multi-pass cycle cold rolling, and the ...

Embodiment 2

[0078] (1), preparation of pure nickel foil

[0079] (1) Surface treatment: use the electrolytic nickel plate with a purity of 99.9999% as the raw material, remove the oxide on the surface of the electrolytic nickel plate through surface treatment equipment (such as a wire brush), then polish the nickel plate around it, and rinse it with a high-pressure water gun. And blow dry through the blowing system to remove surface residues;

[0080] (2) Heat treatment: heat the electrolytic nickel plate after the above surface treatment to 980° C. in a heating furnace, keep it warm for 1 hour, and roll it with a hot rolling mill after being out of the furnace, and roll the electrolytic nickel plate to 2 mm.

[0081] (3) Remove surface oxide scale: use surface treatment equipment wire brush to remove surface oxide scale;

[0082] (4) Cold rolling: the above-mentioned electrolytic nickel plate removed from the surface scale is carried out by a cold rolling mill for multi-pass cycle cold ...

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Abstract

The invention discloses a preparation method of a connecting conductor material for an energy storage system, which comprises the following steps of: fusing and welding a prepared pure nickel foil and a pretreated aluminum material into a nickel-aluminum composite material through a polymer diffusion welding technology in the preparation process, and treating the nickel-aluminum composite material by adopting a linear cutting technology or a blanking technology, and finally, preparing the connecting conductor material for the energy storage system through local polishing and insulating material spraying processes. According to the method, the preparation cost of the material is effectively reduced, the pollution to the environment is reduced, the safety performance of the battery is effectively improved, the service life of the battery is effectively prolonged, and the problems that the sleeve is not attached, the process is complex, and the sleeve is easy to crack are solved. In addition, according to the method, single-face, double-face or local single-face and double-face compounding can be carried out according to needs, the cost is controlled to the minimum under the condition that the using performance is not affected, and the material effectiveness is maximized.

Description

technical field [0001] The invention relates to the technical field of preparation of connecting conductor materials in the electronics industry, and more specifically, to a preparation method of connecting conductor materials for energy storage systems. Background technique [0002] Connecting conductor materials for energy storage systems are mainly used for internal series-parallel connection, external series-parallel connection of various energy storage power systems, and input and output of power supply systems. Connecting conductor materials for energy storage systems are key materials in batteries and power systems. The energy ratio of the power system, the performance and life of the battery, the safety and stability of the power system are of key importance. However, the existing connecting conductor materials for energy storage systems have the following disadvantages: (1) the material cost is high and the weight is heavy, resulting in a heavy power supply system, ...

Claims

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Application Information

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IPC IPC(8): B23P15/00C21D9/00C22F1/02C22F1/10C23C4/11C23C4/134C23C22/73
CPCB23P15/00C23C4/134C23C4/11C22F1/10C21D9/0081C22F1/02C23C22/73
Inventor 周林峰
Owner JIANGSU K TECH PRECISION TECH
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