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Battery pack

A battery pack and battery module technology, applied in battery pack components, small-sized batteries/battery packs, large-sized batteries/battery packs, etc., can solve problems such as battery pack expansion

Active Publication Date: 2014-01-29
MITSUBISHI MOTORS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this case, there arises a problem of enlarging the battery pack accommodating the battery modules due to the need to secure the surrounding space

Method used

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Embodiment Construction

[0028] Now, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that the dimensions, materials, shapes, and opposing arrangements of the constituent components described in the embodiments do not limit the scope of the present invention, but merely illustrate the present invention unless otherwise specified.

[0029] figure 1 is a perspective view showing the appearance of a vehicle, for example, an electric vehicle 1 provided with a battery pack according to the present invention. The electric vehicle 1 has a floor panel 5 at the lower part of the vehicle body 3 (see Figure 7 ), and the battery pack 9 is detachably attached to the underside of the floor panel 5 from under the vehicle body 3 at a position between the front wheels 6 and the rear wheels 7 . The upper surface of the floor panel 5 constitutes a part of the cabin.

[0030] Such as Figure 7 As shown, the floor panel 5 has a floor tunnel 11 that pr...

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Abstract

A battery pack includes battery modules. The battery modules are arranged adjacent to each other in a vehicle anteroposterior direction in such a manner that a longitudinal direction of each battery module corresponds to a vehicle width direction. Bus bars for electrically connecting in series positive and negative electrode terminals of the adjacent battery modules include outer bus bars in an outer part in the vehicle width direction, and inner bus bars in a center part in the vehicle width direction. The outer bus bars are provided so as not to protrude from upper faces of the battery modules thereby to interconnect the electrode terminals of the adjacent battery modules, and the inner bus bars are provided so as to pass above the upper faces of the battery modules thereby to interconnect the electrode terminals of the adjacent battery modules.

Description

[0001] Cross References to Existing Applications [0002] This application is based on and claims priority from Japanese Patent Application No. 2012-157494 filed on July 13, 2012, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a battery pack for mounting a battery on a vehicle such as an electric vehicle or a hybrid vehicle, and more particularly, to a battery arranged under a vehicle body floor and accommodating a plurality of battery modules Group. Background technique [0004] In an electric vehicle using an electric motor as a driving power source, or a hybrid vehicle using an electric motor and an engine as driving sources, a battery pack including batteries that supply electric power to the electric motor is installed. [0005] A battery pack contains a plurality of battery modules located in a battery containing part such as a battery pack tray. [0006] As an example of prior art, JP-A-200...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M2/20H01M50/204H01M50/249H01M50/271H01M50/296H01M50/503H01M50/51
CPCY02E60/12H01M2/0237H01M2/1083H01M2/0262H01M2/206H01M2/1077H01M50/51H01M50/271H01M50/296H01M50/503H01M50/249H01M50/204Y02E60/10
Inventor 中森洋治柳健次
Owner MITSUBISHI MOTORS CORP