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Battery pack and electric vehicle

A technology for electric vehicles and batteries, applied in electric vehicles, battery/battery traction, batteries, etc., can solve problems such as the increase in the number of parts

Active Publication Date: 2021-10-08
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when the duct portion is provided in the battery pack, the number of components increases, and the battery pack itself is further enlarged.

Method used

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  • Battery pack and electric vehicle
  • Battery pack and electric vehicle
  • Battery pack and electric vehicle

Examples

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Embodiment Construction

[0067] Hereinafter, one embodiment of the battery package and the electric vehicle according to the present invention will be described with reference to the drawings. In the drawings, the front of the electric vehicle is shown as Fr, the rear as Rr, the left side as L, the right side as R, the upper side as U, and the lower side as D.

[0068] Such as figure 1 As shown, a vehicle V is divided into a vehicle compartment 4 and a luggage room 5 by a floor 2 and a dash panel 3 , and a front compartment 6 in front of them. Front seats 7 and rear seats 8 are provided in the compartment 4 . A drive device 100 including an engine and an electric motor as a drive source for driving left and right front wheels FW is provided in the front room 6 , and a fuel tank 9 connected to the engine is provided below the luggage room 5 . That is, the vehicle V is a so-called hybrid vehicle that uses both an engine and an electric motor as drive sources.

[0069] A battery pack 1 connected to an...

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PUM

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Abstract

The present invention provides a battery pack and an electric vehicle which can appropriately detect the occurrence of thermal runaway and suppress the increase in size of the battery pack. The battery pack is provided with: a first battery case (10A) having a right through-hole (13a) and a left through-hole (13b) in a first case cover (13); and a second battery case (20A) that is disposed so as to overlap the first battery case above the first battery case, and that has a right through-hole (23a) and a left through-hole (23b) in a bottom plate (23). The battery package is provided with: a first communication port (51) comprising a right through-hole and a second communication port (52) comprising a left through-hole; an exhaust valve (53) which is provided only to either the first battery case or the second battery case and which opens when the internal pressure of the battery package is higher than a predetermined value; and a temperature sensor (55) provided in a gas flow path connected to the exhaust valve.

Description

technical field [0001] The present invention relates to a battery package and an electric vehicle equipped with the battery package. Background technique [0002] Conventionally, electric vehicles using a motor as a drive source are known. In such an electric vehicle using a motor as a driving source, a plurality of battery modules constituted by stacking a plurality of battery cells are arranged inside a battery case, and supply electric power to the motor. [0003] Since a battery pack mounted in an electric vehicle is sometimes used in an extremely harsh environment, it is also considered that heat generation called thermal runaway occurs in a battery cell due to an internal short circuit or the like. When thermal runaway occurs, the battery cell generates heat, and releases gas to the outside of the cell, that is, to the inside of the battery package, through the gas release valve provided on the battery cell. In general, the battery pack is constructed with a sealed s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K1/04B60L50/64B60L58/24H01M50/249H01M50/258H01M50/30H01M50/375
CPCB60K1/04B60L50/64B60L50/66B60L58/24B60K2001/0438B60K2015/0638B60K2001/0433H01M50/249H01M2220/20H01M50/209H01M10/486H01M50/298H01M50/35H01M50/271Y02E60/10H01M50/317H01M50/204H01M2200/20H01M10/482
Inventor 冈田知之安田知史板谷弘毅
Owner HONDA MOTOR CO LTD