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Battery bag panel edge insulation

A battery bag, edge technology, applied in the field of pouch-type lithium polymer batteries, can solve problems such as limiting the size of electrode components and reducing valuable space

Active Publication Date: 2015-09-16
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This may limit the size of the electrode assembly that can be packed into the case; in addition, it may reduce valuable space within the portable electronic device in which the battery is installed

Method used

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  • Battery bag panel edge insulation
  • Battery bag panel edge insulation
  • Battery bag panel edge insulation

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Embodiment Construction

[0015] Now, several embodiments of the present invention are explained by referring to the drawings. Regardless of whether the shapes, relative positions, and other aspects of components described in the embodiments are clearly defined, the scope of the present invention is not limited to the components shown, which are meant for illustrative purposes only. Also, while numerous details are set forth, it is understood that some embodiments of the invention may be practiced without these details. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of the description.

[0016] figure 1 and figure 2 Shown is a multi-layer laminate 10 that may be used to form a pouch-type case for a battery, such as a lithium ion polymer battery (also known as a lithium polymer battery). The multilayer material 10 may have an inner sealing layer 11 , a core layer 12 and an outer insulating layer 13 . The cor...

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Abstract

A multi-layer laminate sheet suitable to form a battery pouch is described. The laminate sheet includes a core metal layer, a sealant laver, and an insulating layer. The sealant layer is bonded to one surface of the core metal layer, and the insulating layer is bonded to the other surface of the core metal layer. The insulating layer has a width that is greater than the width of the core metal layer, such that the insulating layer extends past two edges of the core metal layer. When the pouch is formed by folding the laminate sheet, the insulating layer protects the edges of the core metal layer of the laminate sheet from being exposed around the edges or sides of the pouch. Other embodiments are also described and claimed.

Description

technical field [0001] Embodiments of the present invention relate to a pouch type lithium polymer battery. Other embodiments are also disclosed. Background technique [0002] Recently, compact and lightweight portable electronic devices, such as smart phones, notebook computers and tablet computers, and media players, have been actively developed and produced. Batteries are often used as the internal power source of these portable devices so that the device can still work when the external power source is not available. Batteries can employ any of a variety of electrochemical technologies and can be manufactured in a variety of form factors. For portable devices, interest in pouch-type Li-ion polymer batteries (also known as lithium polymer batteries) is increasing due to low manufacturing cost, light weight, and ease of shape modification. [0003] A pouch-type lithium polymer battery is constructed by installing an electrode assembly in a pouch-type case made of multi-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/085H01M2/02H01M10/04H01M50/105H01M50/119H01M50/121H01M50/124H01M50/133H01M50/178H01M50/186H01M50/193H01M50/55H01M50/557H01M50/562
CPCH01M2/021B32B15/088Y10T428/24752H01M2/026Y10T156/1051B32B2250/03B32B2307/31B32B15/20Y10T29/49117Y10T156/10H01M2/08H01M2/02Y10T428/31681B32B15/085H01M2/0287H01M2/0217H01M10/04Y10T428/31725Y10T428/1359B32B2250/44B32B2439/40H01M2/0212Y02E60/10H01M50/557H01M50/103H01M50/124Y02P70/50H01M50/562H01M50/105H01M50/121H01M50/186H01M50/193H01M50/178H01M50/133H01M50/55H01M50/119
Inventor L·L·罗一
Owner APPLE INC