Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for manufacturing jellyroll-type electrode assembly and method for manufacturing jellyroll-type polymer secondary battery

一种电极组件、电极单元的技术，应用在聚合物二次电池领域，能够解决难以实现期望形状、不易切割成具有预定形状等问题，达到提高设计灵活性的效果

Active Publication Date: 2014-12-24
LG ENERGY SOLUTION LTD
View PDF3 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the separator is usually a very thin film formed of plastic material and thus cannot be easily cut into a predetermined shape, which makes it difficult to achieve the desired shape

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for manufacturing jellyroll-type electrode assembly and method for manufacturing jellyroll-type polymer secondary battery
  • Method for manufacturing jellyroll-type electrode assembly and method for manufacturing jellyroll-type polymer secondary battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings.

[0024] This disclosure, however, may be illustrated in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0025] In the drawings, the shapes and dimensions of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like elements.

[0026] The present disclosure relates to a method of manufacturing a jelly-roll electrode assembly. Here, the inventors have found that the design flexibility of the battery can be improved because, in the manufacture of the jelly-roll electrode assembly, by cutting the shape of the electrode plane on which the charging / discha...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention relates to a method for manufacturing a jellyroll-type electrode assembly, and provides a method for manufacturing an electrode assembly comprising: a notching step for forming a plurality of electrode units by notching each unidirectionally long cathode and anode into a predetermined size and shape, and notching the electrode units so as to be electrically connected to one another by a connecting unit on both ends of the electrode units; a stacking step for forming a unit cell by stacking the cathodes and anodes on one another with a separation film being a boundary; and a winding step for winding the unit cell, by bending the connecting unit so that the electrode units having the cathodes and anodes lie on top of one another. Furthermore, the present invention provides a method for manufacturing a secondary battery using the obtained electrode assembly. In manufacturing the jellyroll-type electrode assembly and polymer secondary battery, the simplification of the production process of which is easy according to the present invention, it is possible to manufacture a jellyroll-type electrode assembly and polymer secondary battery having excellent design flexibility. Furthermore, the purpose of the present invention is to provide an efficient method for processing a separation film used for manufacturing an electrode assembly so as to conform to the shape of the electrode assembly.

Description

technical field [0001] The present disclosure relates to a method of manufacturing a jelly-roll type electrode assembly and a method of manufacturing a polymer secondary battery including the electrode assembly, and more particularly, to a method of manufacturing a jelly-roll type electrode assembly allowing increased design flexibility and a method of manufacturing a polymer secondary battery including the electrode assembly. Background technique [0002] Generally, a jelly-roll polymer battery is fabricated by laminating a cathode and an anode with a separator disposed therebetween and winding the cathode and anode laminate in a single direction. exist figure 1 A schematic process of manufacturing such a jelly-roll electrode assembly and a jelly-roll electrode assembly obtained through the process are illustrated in . [0003] exist figure 1 Among them, the jelly-roll type electrode assembly 1 can be obtained by winding a plurality of electrodes in a single direction, w...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M2/10H01M10/0565
CPCH01M4/1399H01M10/04H01M10/0565H01M10/0587H01M50/20H01M4/04H01M10/02H01M10/0431H01M10/0445H01M10/052H01M10/0583Y10T29/49112Y10T29/4921Y10T29/49211Y02E60/10Y02P70/50H01M2300/0082H01M50/46H01M50/403H01M50/10
Inventor 郑桃花安寅究郑在彬安谆昊金东明
Owner LG ENERGY SOLUTION LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com