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Battery, electrolyte, battery pack, electronic device, electric motor vehicle, electrical storage device, and power system

A battery and power technology, applied in the field of power systems, can solve problems such as battery deactivation and battery short circuit, and achieve the effects of improving safety, improving heat dissipation, and preventing battery characteristics from degrading

Active Publication Date: 2016-05-18
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High capacity is recently required, however, with simple external packaging, this can easily cause a short circuit within the battery when deformed substantially, so that in some cases, the battery may fail

Method used

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  • Battery, electrolyte, battery pack, electronic device, electric motor vehicle, electrical storage device, and power system
  • Battery, electrolyte, battery pack, electronic device, electric motor vehicle, electrical storage device, and power system
  • Battery, electrolyte, battery pack, electronic device, electric motor vehicle, electrical storage device, and power system

Examples

Experimental program
Comparison scheme
Effect test

no. 4 approach

[0040] 4. Fourth Embodiment (Example of Battery Pack)

no. 5 approach

[0041] 5. Fifth embodiment (an example of an electric power storage system, etc.)

[0042] 6. Other implementation modes (modified examples)

[0043] It is to be understood that the embodiments and aspects described below are merely preferred examples of the present technology, and are not intended to limit the concept of the present technology. The beneficial effects described herein are by way of illustration only and should not be construed as limiting effects or disavowing effects other than those shown.

no. 1 approach

[0045] [Example of characteristics of nonaqueous electrolyte]

[0046] A description is provided of an example of the characteristics of the nonaqueous electrolyte (electrolyte) according to the first embodiment of the present technology. figure 1 is a schematic cross-sectional view showing the characteristics of an example of the nonaqueous electrolyte of the present technology. figure 1 An example of a schematic structure of a battery including a nonaqueous electrolyte is also shown.

[0047] figure 1 The battery includes a positive electrode 33 , a negative electrode 34 , a separator 35 and a nonaqueous electrolyte 36 . The positive electrode 33 includes a positive electrode current collector 33A and positive electrode active material layers 33B formed on both surfaces of the positive electrode current collector 33A. The negative electrode 34 includes a negative electrode current collector 34A and negative electrode active material layers 34B formed on both surfaces of t...

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Abstract

This battery is provided with: electrodes including a positive electrode and a negative electrode; and a particle-containing insulating portion provided between the positive electrode and negative electrode and including particles and a resin, the particles being made of a substance that undergoes a dehydration endothermic reaction, and having a flat shape with an aspect ratio of 2 / 1 or greater.

Description

technical field [0001] The present invention relates to a battery, an electrolyte, a battery pack, an electronic device, an electric vehicle, an electric power storage device, and an electric power system. Background technique [0002] In recent years, there are various types of portable electronic devices, and their size and weight are reduced. In order to make a portable electronic device smaller and lighter, a battery used as a power source of the portable electronic device also needs to be smaller, and an accommodation space within the portable electronic device needs to be efficiently used. [0003] Lithium-ion secondary batteries are well known to have high energy density and thus are best suited to meet such demands. For example, a lithium ion secondary battery having a laminated film as its external member is commercialized because such a battery is manufactured to have light weight, high energy density, and a very thin shape. [0004] A lithium ion secondary batte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/058B60L3/00H01M2/16H01M10/0565H01M10/613H01M10/653H02J7/00B60L50/15B60L50/16
CPCH01M10/058B60L3/0046B60L3/04B60L7/14B60L15/2009B60L2200/12B60L2200/22B60L2200/26B60L2240/12B60L2240/421B60L2240/423B60L2240/441B60L2240/443B60L2240/545B60L2240/662B60L2240/665B60L2250/16B60L2250/22B60L2270/145H01M10/052H01M10/056H01M2200/00H01M2220/20C01B33/38Y02T90/16Y02T10/7072Y02T10/70Y02T90/14Y02T10/72B60L53/14B60L50/16B60L58/12B60L58/21B60L58/26B60L50/64Y10S903/907H02J7/00B60L53/305B60L58/24B60L58/19Y02E60/10Y02T10/64Y02T90/12H01M50/124H01M50/446Y02P70/50H01M10/4235H01M10/659H01M10/654H01M10/613H01M10/625B60L53/30H01M4/131H01M2010/4278H01M2220/10H01M2220/30H01M50/20H01M4/04B60L15/007H01M10/0525
Inventor 镜庆一八田一人下坂畅明古贺景三
Owner MURATA MFG CO LTD
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