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Electricity storage device

一种蓄电装置、蓄电单元的技术，应用在电池、电路、电气元件等方向，能够解决电池组组装操作复杂等问题，达到方便组装、提高散热效率的效果

Inactive Publication Date: 2009-11-11
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the assembly operation of the battery pack will become complicated

Method used

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  • Electricity storage device
  • Electricity storage device
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Examples

Experimental program
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Embodiment Construction

[0021] Embodiments of the present invention will be described below.

[0022] will refer to Figure 1 to Figure 3 A battery pack of a first embodiment of the present invention will be described. figure 1 It is an exploded perspective view of the battery pack of the present invention. figure 2 is a view showing the configuration of a part of the casing of the battery pack according to the present embodiment. image 3 is a cross-sectional view showing the internal structure of the battery pack of this embodiment.

[0023] A battery pack (power storage device) 1 has battery cells 2 and a case 3 in which the cells 2 are accommodated. In this embodiment, the battery pack 1 is mounted on a vehicle. However, the battery pack 1 of this embodiment may also be mounted on other bodies than the vehicle.

[0024] The battery unit 2 has an electric storage group (electric storage unit) 20 including a plurality of batteries (electric storage unit) 20 and holding members (so-called end ...

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PUM

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Abstract

An electricity storage device 1 has an electricity storage unit (2) and a case (3) that contains the electricity storage unit and a coolant (4) for cooling the electricity storage unit. The case includes: guide portions (32d) on an inner wall surface above the electricity storage unit, each of the guide portions having an oblique portion for, when gas is produced by the electricity storage unit, leading the gas to a predetermined position; and contact portions (32cl to 32c3) each of which protrudes in a direction of the electricity storage unit with respect to the oblique portions of the guide portions and is brought into contact with the coolant.

Description

technical field [0001] The present invention relates to an electric storage device in which a case accommodates an electric storage unit and a coolant for cooling the electric storage unit. Background technique [0002] In a battery pack in which a case accommodates a secondary battery and insulating oil, there is a possibility that heat and gas are generated due to electrolysis of the electrolyte in the secondary battery, for example, caused by excessively supplied current when the secondary battery is overcharged . For this reason, a battery pack that detects gas generated in the battery pack and a battery pack that detects pressure changes in the battery pack due to the generated gas have been developed, thereby determining whether the battery pack (secondary battery) is in an abnormal state . It is also possible to use a battery pack that performs appropriate control according to an abnormality generated in a secondary battery when gas generation is detected (see, for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/12H01M2/04H01M10/52H01M10/60H01M10/613H01M10/617H01M10/625H01M10/655H01M10/6551H01M10/6554H01M10/6556H01M10/6567H01M50/213H01M50/35
CPCH01M10/5075H01M10/5046H01M10/5004H01M6/5038H01M2/1252H01M10/5016Y02E60/12H01M10/503H01M2/1016H01M10/52H01M10/504H01M2200/00H01M10/625H01M10/653H01M10/6551H01M10/6567H01M10/643H01M10/613Y02E60/10H01M50/35H01M50/213
Inventor 村田崇
Owner TOYOTA JIDOSHA KK
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