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

Non-aqueous electrolyte secondary cell, manufacturing method thereof, and mounting method thereof

一种非水电解液、二次电池的技术，应用在电解质蓄电池制造、非水电解质蓄电池、二次电池等方向，能够解决困难、很难电池制造过程简单而有效率、耗费处理时间等问题

Inactive Publication Date: 2010-09-15
PANASONIC CORP
View PDF8 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] On the other hand, although a method of completely discharging a lithium secondary battery to 0V has been thought of as a corresponding method for the battery, it is extremely difficult to bring the voltage to about 0V , and consumes processing time, so the aforementioned method is not easy to apply to the manufacturing process
Moreover, this battery is not a battery whose characteristics do not deteriorate even when an external short circuit occurs, so it is difficult to make the battery manufacturing process simpler and more efficient

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
  • Non-aqueous electrolyte secondary cell, manufacturing method thereof, and mounting method thereof
  • Non-aqueous electrolyte secondary cell, manufacturing method thereof, and mounting method thereof
  • Non-aqueous electrolyte secondary cell, manufacturing method thereof, and mounting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0045] Mix LiNO at a molar ratio of 1:3 3 with MnO 2 , after pre-sintering at 260°C for 5 hours, and then sintering at 340°C for 5 hours to prepare lithiated orthorhombite-type manganese oxide. Then, the aforementioned oxide was mixed with carbon black as a conductive agent and PTFE as a binder to prepare an electrode mixture. In addition, the mixing ratio was a ratio of 88:5:7 by weight. The aforementioned electrode mixture was mixed at 2 ton / cm 2 After forming into pellets with a diameter of 10 mm under pressure, they were dried in the air at 250° C. to prepare positive electrode 4 and negative electrode 5 , respectively. Also, the weight ratio of positive electrode 4 : negative electrode 5 was 1.1:1. That is, the weight of the positive electrode 4 is 1.1 times the weight of the negative electrode 5 .

[0046] The positive electrode 4 and the negative electrode 5 prepared above were connected to the positive electrode can 1 and the negative electrode can 2 via the condu...

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

PropertyMeasurementUnit
boiling pointaaaaaaaaaa
diameteraaaaaaaaaa
diameteraaaaaaaaaa
Login to View More

Abstract

A non-aqueous electrolyte secondary cell includes a positive electrode, a negative electrode, and a non-aqueous electrolyte existing between the positive electrode and the negative electrode. The positive electrode contains an active substance capable of occluding and emitting lithium. The negative electrode contains the active substance of the same composition as the active substance of the positive electrode. The non-aqueous electrolyte secondary cell generates voltage when charged. Moreover, upon reflow mounting, charge is performed after mounting, so as to eliminate adverse affect to parts of the substrate.

Description

technical field [0001] The present invention relates to a non-aqueous electrolyte secondary battery which has high resistance to external short circuit or reverse charging and is easy to install on a substrate. Background technique [0002] Lithium secondary batteries are mostly used as the main power supply or backup power supply of portable devices. For example, in backup lithium secondary batteries, lithium aluminum alloy is used as the active material of the negative electrode, and vanadium pentoxide, lithium-containing manganese oxide or niobium pentoxide is used as the active material of the positive electrode. In addition, for example, lithium ion secondary batteries mainly used for power sources use graphite or spinel-type lithium titanate for the negative electrode and lithium cobaltate for the positive electrode. Lithium secondary batteries for backup use show a voltage of about 3V when forming the battery, while lithium ion secondary batteries for main power sup...

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 Patents(China)
IPC IPC(8): H01M10/40H01M2/02H01M4/02H01M4/58H01M4/131H01M4/50H01M4/505H01M4/52H01M4/525H01M10/0525H01M10/36
CPCH01M4/505Y02E60/122H01M4/525H01M10/0525H01M4/131Y10T29/49108Y02E60/10H01M10/052H01M10/058
Inventor 高桥忠义
Owner PANASONIC CORP
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