Accumulator, accumulator group and their producing method

A battery and battery casing technology, which is applied in secondary battery manufacturing, battery pack components, secondary batteries, etc., can solve problems such as poor heat dissipation performance and difficulty in heat dissipation, improve performance and reliability, and ease cooling problems. The effect of shortening the distance

Inactive Publication Date: 2010-05-12
上海万宏动力能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The patent ZL02145775.1 of Matsushita Electric Industrial Co., Ltd. and the patent ZL02145739.5 of Sanyo Electric Co., Ltd. both use the attached figure 1 In the traditional structure shown, the larger the diameter of the battery, the more difficult it is to dissipate heat inside. The present invention aims at the problem of poor heat dissipation performance of the traditional battery structure, and proposes a new battery structure that can effectively increase the heat dissipation surface area

Method used

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  • Accumulator, accumulator group and their producing method
  • Accumulator, accumulator group and their producing method
  • Accumulator, accumulator group and their producing method

Examples

Experimental program
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Embodiment 1

[0046] The battery 1 with a metal case looks like figure 2 As shown, the outside is cylindrical, and the inside is also cylindrical. There are three positive terminals 2 on the top, and the battery shell 3 is used as the negative terminal. There is also a safety valve 4 on the top. Looking down from the top, the battery 1 is as Figure 4 As shown, it is in the form of a ring, and the three positive terminals are evenly distributed on the battery sealing plate 12. The safety valve 4 can be a safety valve commonly used in alkaline sealed batteries at present, and the sealing plate 12 and the battery case 3 are welded by laser. The method is connected and sealed. Since the opening of the battery case is in the form of a ring, there are two welding seams, inner and outer. 13. The internal structure of the battery 1 is as follows: image 3Since the sealing cover 12 is electrically connected to the battery case 3, an insulating pad 5 made of plastic is used to realize electrical in...

Embodiment 2

[0055] Such as Figure 5 As shown, except that the cross-sectional shape of the battery is a "back" shape, the rest are the same as in Example 1.

[0056] When batteries in this embodiment form a battery pack, the space utilization rate can be further improved under the premise of ensuring good heat dissipation.

Embodiment 3

[0058] Such as Image 6 As shown, except that the cross-section of the battery is hexagonal and different in shape, the rest are the same as in Example 1.

[0059] The battery of this embodiment combines the advantages of Embodiment 1 and Embodiment 2.

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Abstract

This invention relates to storage cells, their sets and their manufacturing method characterizing that said storage cell includes a sleeve cell shell composed of an inner drum, an outer drum and a middle-hole circular shell base, a generating unit rotating in a space between the inner drum and outer drum, a circular sealing cover sealing the generating unit in the shell cavity, the current derivedterminal and safety valve generated by the generating unit are distributed uniformly on the cover and the safety valve is connected with the positive or negative of the cell, the generating element is composed of a sheet-like positive plates, negative plates, membranes, electrolyte and conduction elements and the storage cell set is composed of serial storage cells characterizing that distance from the pole center to the surface of the shell is short.

Description

technical field [0001] The invention relates to a storage battery, a battery pack composed of the storage battery, and their manufacturing method. Background technique [0002] In recent years, with the continuous development of markets such as hybrid vehicles, electric vehicles, electric motorcycles, electric bicycles and electric tools, the role of batteries has been paid more and more attention. The larger the battery, the higher the requirements for the power output characteristics and reliability of the battery. [0003] However, currently widely used storage batteries, such as nickel-metal hydride batteries, nickel-cadmium batteries, lithium-ion batteries and lead-acid batteries, all have the situation that the electrochemical characteristics and reliability of the battery pack are significantly lower than those of the single battery. There are many reasons for this result, but one of the most important reasons is that when the battery pack is in use, especially when ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/04H01M2/02H01M10/00H01M50/107H01M50/143H01M50/147
CPCY02E60/12Y02E60/10Y02P70/50
Inventor 娄豫皖阎永恒林则青陆惠英周时国夏保佳
Owner 上海万宏动力能源有限公司
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