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Sealing sheet for electrolyte filling hole

An electrolyte and hole-filling technology, applied in sealing materials, battery/battery traction, electrolyte battery manufacturing, etc., can solve problems such as leakage and shell weakening

Pending Publication Date: 2022-08-05
CPS TECH HLDG LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the many methods used to seal the electrolyte fill hole can result in a weakened case
In some cases, electrolyte may leak from the battery cell through cracks in the housing, and other contaminants introduced during manufacturing and / or during use may leak into the battery cell through cracks in the housing

Method used

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  • Sealing sheet for electrolyte filling hole
  • Sealing sheet for electrolyte filling hole
  • Sealing sheet for electrolyte filling hole

Examples

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Embodiment Construction

[0025] One or more specific embodiments will be described below. In an effort to provide a concise description of these embodiments, not all features of an actual implementation are described in this specification. It should be understood that in developing any such practical implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developer's specific goals, such as compliance with system-related and business-related constraints , which may vary by implementation. Furthermore, it should be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking of design, preparation, and manufacture for those of ordinary skill having the benefit of this disclosure.

[0026] The battery pack systems described herein can be used to power various types of electric vehicles (xEVs) and other high voltage energy storage / consumption applications (eg, grid p...

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Abstract

A lithium ion battery cell includes a housing including a housing and a cover. The case has an electrolyte filling hole provided on a surface of the case opposite the cover. The electrochemical cell is disposed within the housing. In addition, a sealing sheet is laser welded to a surface of the case around the electrolyte filling hole, where the sealing sheet is configured to seal the electrolyte filling hole.

Description

[0001] This application is a division of an invention patent application with an application date of February 12, 2016, an international application number of PCT / US2016 / 017719, a national application number of 2016800254518, and the invention name of "sealing sheet for electrolyte filling holes" Application. Background technique [0002] The present disclosure generally relates to the field of battery packs and battery pack modules. More specifically, the present disclosure relates to sealing electrolyte-filled holes of battery cells. [0003] This section is intended to introduce the reader to various technical aspects to which the various aspects of the present disclosure described below may be involved. This discussion is believed to be helpful in providing the reader with background information to facilitate a better understanding of various aspects of the present disclosure. Therefore, it should be understood that these statements are to be read in this light, and are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0525H01M10/058H01M50/636H01M50/103H01M50/119H01M50/184H01M50/186H01M50/191H01M50/209H01M50/249H01M50/271H01M50/645
CPCH01M10/0525H01M10/058H01M50/636H01M2220/20B60L50/64Y02T10/70H01M50/645H01M50/186H01M50/271H01M50/249H01M50/209H01M50/184H01M50/103H01M50/191H01M50/119Y02E60/10Y02P70/50
Inventor 马修·R·泰勒
Owner CPS TECH HLDG LLC