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Battery cells, conductive terminals and battery packs

A technology for battery cells and battery packs, applied to small-sized batteries/battery packs, battery pack parts, electrical components, etc., which can solve problems such as large connection resistance, increased number of connection parts and connection lines, etc., to reduce connection resistance , Simplify the effect of connecting parts and connecting lines

Active Publication Date: 2015-12-16
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the storage battery of Japanese Unexamined Patent Application Publication No. 2009-289429, since portions between respective terminals of adjacent unit cells are connected using connectors, the number of connection parts and connection lines increases and the connection electric resistance will get bigger

Method used

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  • Battery cells, conductive terminals and battery packs
  • Battery cells, conductive terminals and battery packs
  • Battery cells, conductive terminals and battery packs

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0135] The shape of the electrode terminal surface

[0136] Figure 14A It is a perspective view when the negative terminal surface side of the battery pack is viewed from below. Figure 14B It is a perspective view when the positive terminal surface side of the battery pack is viewed from above. Figure 14C It is a perspective view when the negative terminal surface side of the battery pack is viewed from above. The battery pack B has a negative terminal surface Sa and a positive terminal surface Sc in substantially relatively rectangular shapes. Negative terminal surface Sa has four corners Ca 1 to Ca 4 , the four corners Ca 1 to Ca 4 There is only one corner Ca in 1 is the corner with curvature R, while the other three corners Ca 2 to Ca 4 is a right-angled corner. The positive terminal surface Sc has four corners Cc 1 to Cc 4, the four corners Cc 1 to Cc 4 There is only one corner Cc in 3 is the corner with curvature R, while the other three corners Cc 2 to...

no. 2 example

[0149] The shape of the electrode terminal surface

[0150] Figure 17A It is a perspective view when the negative terminal surface side of the battery pack is viewed from below. Figure 17B It is a perspective view when the positive terminal surface side of the battery pack is viewed from above. Figure 17C It is a perspective view when the negative terminal surface side of the battery pack is viewed from above. The battery pack B has a negative terminal surface Sa and a positive terminal surface Sc of approximately opposite rectangular shapes. Negative terminal surface Sa has four corners Ca 1 to Ca 4 , the four corners Ca 1 to Ca 4 There are only two adjacent corners Ca in 1 and Ca 4 is the corner with curvature R, while the other two corners Ca 2 to Ca 3 is a right-angled corner. The positive terminal surface Sc has four corners Cc 1 to Cc 4 , the four corners Cc 1 to Cc 4 There are only two adjacent corners Cc in 1 and Cc 4 is the corner with curvature R,...

no. 3 example

[0162] The shape of the electrode terminal surface

[0163] Figure 20A It is a perspective view when the negative terminal surface side of the battery pack is viewed from below. Figure 20B It is a perspective view when the positive terminal surface side of the battery pack is viewed from an obliquely upper portion of the connection portion. Figure 20C It is a perspective view when the positive terminal surface side of the battery pack is viewed from an obliquely upper portion of the connection portion. The battery pack B has a negative terminal surface Sa and a positive terminal surface Sc in substantially opposing rectangular shapes. Negative terminal surface Sa has four corners Ca 1 to Ca 4 , the four corners Ca 1 to Ca 4 There are only two adjacent corners Ca in 1 and Ca 4 is the corner with curvature R, and the other two corners Ca 2 to Ca 3 is a right-angled corner. The positive terminal surface Sc has four corners Cc 1 to Cc 4 , the four corners Cc 1 to ...

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PUM

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Abstract

This application relates to battery cells and battery packs. More specifically, in one exemplary embodiment, a battery unit includes a battery case, and a plurality of battery packs stored in the battery case. The plurality of battery packs are electrically connected together in series. In one exemplary embodiment, the first plurality of battery packs form a first column and are arranged in a side-to-side configuration. In an exemplary embodiment, the second plurality of battery packs form a second column and are arranged in an end-to-end configuration other than an edge-to-side configuration.

Description

[0001] References to related applications [0002] This application claims priority from Japanese Patent Application No. JP2010-124938 filed with the Japan Patent Office on May 31, 2010, the entire contents of which are incorporated herein by reference. technical field [0003] The present application relates to a battery unit (battery unit, battery unit), in particular, to a battery unit including a plurality of battery packs (battery block, battery block). Background technique [0004] In recent years, secondary batteries such as lithium ion batteries have been used as storage batteries for electric vehicles in combination with batteries for vehicles such as hybrid vehicles and battery vehicles, and with new energy systems such as solar cells and wind power generation , has expanded rapidly. [0005] These storage battery packs are generally configured in such a way that a plurality of unit cells are connected to each other in multiple series and multiple parallels to for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/10H01M2/20H01M2/30H01M50/213H01M50/224H01M50/242H01M50/264H01M50/276H01M50/296H01M50/509
CPCH01M10/625H01M10/643H01M10/6554H01M10/613Y02E60/10H01M50/107H01M50/242H01M50/224H01M50/213H01M50/264H01M50/509H01M50/296H01M50/276
Inventor 佐藤文哉安达龙也鹿野浩史青山勤东海林刚三瓶晃
Owner MURATA MFG CO LTD
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