Automobile-used power cell module and manufacturing method thereof

Abstract

The invention relates to a cell device, in particular to an automobile-used power cell module with low maintaining cost. The automobile-used power cell module comprises a cell box, a plurality of cells installed in the cell box, anode and cathode output brass bolts arranged on the cell box, current collectors respectively fixed on the anode and cathode output brass bolts, as well as bus boards which make the anodes and the cathodes of a plurality of cells connected with the current collectors on the anode and cathode output brass bolts. The automobile-used power cell module is characterized in that a plurality of cells are small-capacity cells, and the cell box consists of a box frame and upper and lower box covers which are detachably and respectively arranged at the two ends of the box frame. The small-capacity cells are mechanized winding cells with high production rate, good consistency and lower price. The invention uses the cell box the box cover of which can be opened, if certain cell is out of work, the cell box can be opened for replacing, thereby avoiding the disability of the whole module and reducing the maintaining cost during the running process.

Description

technical field [0001] The invention relates to a battery device, in particular to a vehicle power battery module with low maintenance cost and a manufacturing method thereof. Background technique [0002] As a modern means of transportation, automobiles bring convenience and speed to human beings, but also bring unavoidable practical problems. Cars consume a lot of oil resources, emit a lot of waste gas, make noise, and seriously pollute the environment. Studies have shown that automobile pollution has become one of the world's public hazards. With the depletion of earth's oil resources and the increase of exhaust gas from fuel vehicles in cities, it is an inevitable trend of social development and technological progress that electric vehicles will gradually replace fuel vehicles. [0003] Compared with traditional cars, electric vehicles have obvious advantages in terms of environmental protection. Exhaust gas pollution and noise pollution are the two major pollutions o...

AI Technical Summary

Problems solved by technology

The raw material lithium iron phosphate used in lithium iron phosphate batteries is expensive (180,000 yuan / ton),

[0006] At present, it is popular to use 100Ah or 200Ah single batteries to assemble power vehicle battery packs in the market. The price of a 200Ah single lithium battery is between 2000-3000 yuan. If there is a problem with the battery during use, the cost of replacing the battery will be high. Up, so the maintenance cost of using a large-capacity battery is relatively high

In the large-capacity battery module assembled by multiple batteries, the assembly is mostly in a sealed plastic outer box, so that once the battery in the plastic box needs to be replaced, it is very difficult, and even the plastic box must be destroyed to replace it.

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