Power supply device and vehicle having the same

A technology of power supply device and battery block, which is applied in electric vehicles, vehicle components, primary batteries and battery groups, etc., can solve the problems of deterioration of battery unit characteristics and difference in lifespan, and achieves a simple form, suppresses flow, and improves bending strength. Effect

Active Publication Date: 2011-05-11
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to such a temperature difference of the battery cells, there are differences in the characteristic deterioration and lifetime of the battery cells.

Method used

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  • Power supply device and vehicle having the same
  • Power supply device and vehicle having the same
  • Power supply device and vehicle having the same

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Embodiment Construction

[0116] Hereinafter, embodiments of the present invention will be described based on the drawings. Among them, the embodiments shown below are a power supply device for embodying the technical idea of ​​the present invention, a vehicle equipped with the power supply device, and a method for controlling charge and discharge of the power supply device. The power supply device of the present invention, the vehicle equipped with the power supply device And the charging and discharging control method of the power supply device is not specified as the following. Furthermore, the components described in the claims should never be specified as the components of the embodiment. In particular, the dimensions, materials, shapes, and relative arrangements of the constituent members described in the embodiments are not intended to limit the scope of the present invention, but are merely illustrative examples. In addition, in order to clarify the description, the dimensions, positional rela...

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PUM

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Abstract

The invention provides a power supply device capable of making the temperatures of the battery cells almost consistency at any position by reducing the temperature differences, and a vehicle having the same.A power supply device includes rectangular battery cells 1, resin separators 2, end spacers, thick metal end plates, and coupling members. The separator 2 is inserted between the cells 1 to insulate adjacent cells 1 from each other, and in thermal contact with the cells 1. The end spacers cover end battery cells on the opposed end surfaces of a battery block composed of the cells and the separators alternately arranged. The end plates cover the surfaces of the end spacers. The coupling members couple the end plates to each other. The separators form gaps for flowing air along the surfaces of the cells in contact with the separators. The end spacers have hollow layers on their surfaces in contact with the cells, and define closed chambers.

Description

technical field [0001] The present invention relates to a power supply device in which a plurality of battery cells are stacked with separators interposed therebetween, and a vehicle using the power supply device. Background technique [0002] A power supply unit or a battery system that stacks a plurality of battery cells and blows forced air into cooling gaps between the battery cells is used in vehicles such as hybrid cars and electric vehicles. In such a power supply device, since a plurality of battery cells are used, a temperature difference occurs among the battery cells. In particular, increasing the number of stacked battery cells makes it difficult to cool all the battery cells at the same temperature, that is, while reducing the temperature difference. In a battery system for a vehicle in which a plurality of battery cells are stacked, it is extremely important to reduce the temperature difference of the battery cells as much as possible. This is because the tem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/50B60L11/18H01M10/60H01M10/613H01M10/617H01M10/625H01M10/647H01M10/651H01M10/6557H01M10/6563H01M10/658H01M50/209
CPCH01M6/42H01M10/0413H01M10/625H01M10/6563H01M10/647H01M10/6557H01M10/6566H01M10/613Y02E60/10Y02P70/50H01M50/209
Inventor 西藤正雄高品智一高桥刚
Owner SANYO ELECTRIC CO LTD
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