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Battery housing structure

A technology for accommodating structures and batteries, which is applied to batteries, secondary batteries, structural parts, etc. It can solve the problems of electrode terminal deterioration and easy temperature rise around electrode terminals, etc., to reduce thermal resistance, improve redundancy, and improve uniformity Effect

Inactive Publication Date: 2013-10-02
NGK INSULATORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, if the heat is discharged from the inside of the container to the outside, the temperature around the electrode terminal is likely to rise.
If the temperature around the electrode terminal rises, the current that can flow into the electrode terminal is limited, and the deterioration of the electrode terminal is likely to be promoted

Method used

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Experimental program
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Effect test

no. 1 approach

[0040] (Outline of battery housing structure)

[0041] The first embodiment relates to a battery housing structure of a power storage device. The battery housing structure of the first embodiment is preferably combined with components such as a bidirectional converter, a transformer, and a control circuit to form a power storage device. The power storage device is preferably connected to the power system for regulating the supply and demand of power. The battery housing structure of the first embodiment may be combined with other components to form devices other than the power storage device.

[0042] figure 1 and figure 2 is a schematic diagram of the battery housing structure of the first embodiment. figure 1 is a stereogram, figure 2 is a sectional view.

[0043] In the battery containing structure 1000 of the first embodiment, as figure 1 and figure 2 As shown, modular batteries 1002 are housed in modular battery holders 1004 . The module battery 1002 may also ...

no. 2 approach

[0076] (Outline of battery housing structure)

[0077] The second embodiment relates to a battery containing structure used instead of the battery containing structure of the first embodiment.

[0078] image 3 and Figure 4 is a schematic diagram of the battery housing structure of the second embodiment. image 3 is a stereogram, Figure 4 is a sectional view.

[0079] The battery containing structure 2000 of the second embodiment is as image 3 , Figure 4 As shown, it is the same as the battery containing structure 1000 of the first embodiment except that the top plate 1030 formed with the opening 1206 is replaced with the top plate 2030 formed with no opening 1206 . Therefore, in the description of the second embodiment, the same components as those of the first embodiment are given the same reference numerals as those of the first embodiment, and the points different from the first embodiment will be mainly described. The description of the first embodiment applies...

no. 3 approach

[0086] (Outline of battery housing structure)

[0087] The third embodiment relates to a battery containing structure used instead of the battery containing structure of the first embodiment.

[0088] Figure 5 and Figure 6 is a schematic diagram of the battery containing structure of the third embodiment. Figure 5 is a stereogram, Figure 6 is a sectional view.

[0089] The battery accommodating structure 3000 of the third embodiment is the same as the battery accommodating structure 1000 of the first embodiment except that the top plate 3030 forming the opening 1206 is replaced by the top plate 3030 not forming the opening, and the top wall 3100 A heat transfer medium 3700 is interposed between the first portion 3202 of the top plate 3030 , and the top wall 1100 with a flat outer surface 1200 is replaced by a top wall 3100 formed with reinforcing ribs 3702 . Therefore, in the description of the third embodiment, the same components as those of the first embodiment are...

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Abstract

A module battery is accommodated in a housing shelf of a module battery. In the module battery, an electric cell is accommodated within a container. The electric cell is a sodium-sulfur battery. The container is provided with a high-thermal-conductivity wall in which the thermal conductivity is relatively high, as well as a low-thermal-conductivity wall in which the thermal conductivity is relatively low. The first part of a plate overlaps the outer surface of the high-thermal-conductivity wall, and the second part of the plate protrudes from the outer surface of the high-thermal-conductivity wall. The second part surrounds the first part. The first major surface of the plate is directly contacted in the first part with the outer surface of the high-thermal-conductivity wall and is away from the container in the second part. The second major surface of the plate is exposed to the space to which heat is released. An opening may or may not be formed in the first part. A heat-transfer medium may be sandwiched between the first wall and the first part.

Description

technical field [0001] The invention relates to a battery containing structure of an electric power storage device. Background technique [0002] Sodium-sulfur batteries need to work at high temperatures. Therefore, as disclosed in Patent Document 1, a sodium-sulfur battery is used in a state where the cells are housed in a container (heat-insulating container) together with a heater and the like. However, as described in paragraph 0010 of Patent Document 1, since the temperature inside the container is not expected to rise excessively, heat is discharged from the inside of the container to the outside as necessary. [0003] On the other hand, as shown in Patent Document 2, a battery (module battery) in which the unit cells of a sodium-sulfur battery is housed in a container can also be used in a state of being housed in a battery container (pouch). At this time, if the heat is discharged from the inside of the container to the outside, the temperature around the electrode...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/50H01M2/10H01M50/204H01M50/253
CPCH01M10/3909H01M2220/10H01M10/653H01M10/6563H01M10/6554H01M10/617H01M10/627H01M10/6566H01M10/658H01M10/613Y02E60/10H01M50/24H01M50/204H01M50/253
Inventor 八田哲也玉越富夫
Owner NGK INSULATORS LTD
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