Supercharge Your Innovation With Domain-Expert AI Agents!

A kind of manufacturing method of lithium ion capacitor and lithium ion capacitor

A manufacturing method and capacitor technology, which are applied in the directions of hybrid capacitor electrodes, hybrid capacitor electrolytes, capacitors, etc., can solve the problems of large safety hazards, high production costs, complex processes, etc. Effect

Active Publication Date: 2018-01-09
NINGBO CRRC NEW ENERGY TECH CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of high production cost of lithium-ion capacitors, great potential safety hazards, and complicated processes, we propose a method for manufacturing lithium-ion capacitors. The invention can effectively solve the problem of high cost caused by lithium metal, porous current collectors, etc., Can improve safety and simplify process flow, suitable for industrial mass production

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
  • A kind of manufacturing method of lithium ion capacitor and lithium ion capacitor
  • A kind of manufacturing method of lithium ion capacitor and lithium ion capacitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A manufacturing method of a lithium ion capacitor, the steps are as follows:

[0035] (1) The slurry with activated carbon as the active material is attached to non-porous aluminum foil as the positive electrode, and the slurry with mesocarbon microspheres as the active material is attached to the non-porous copper foil as the negative electrode. PP / PE / PP three-layer polymer For the diaphragm, stack the sheets according to the diaphragm, negative electrode, diaphragm, and positive electrode to form a battery cell, and fix it with tape, and weld the positive electrode current collector and negative electrode current collector to the positive and negative electrode lugs or lead-out terminals respectively;

[0036] (2) After drying, immerse the cell in a beaker filled with LiPF6-EC / PC / DEC solution;

[0037] (3) Connect the positive and negative poles of the charge-discharge tester to the positive and negative poles respectively, charge to 3.8V with a constant current equiv...

Embodiment 2

[0040] A manufacturing method of a lithium ion capacitor, the steps are as follows:

[0041] (1) The slurry with activated carbon as the active material is attached to the non-porous aluminum foil as the positive electrode, the slurry with artificial graphite as the active material is attached to the non-porous copper foil as the negative electrode, and the PP / PE / PP three-layer polymer is used as the diaphragm, According to the way of diaphragm, negative electrode, diaphragm and positive electrode, stack the sheets into a cell, and fix it with tape, and weld the positive electrode current collector and negative electrode current collector to the positive and negative electrode lugs or lead-out terminals respectively;

[0042] (2) After drying, immerse the cell into a beaker filled with LiBF4-PC / DMF solution;

[0043] (3) Use the positive and negative poles of the charge-discharge tester to connect the positive pole and the negative pole respectively, charge it with a constant cu...

Embodiment 3

[0046] A manufacturing method of a lithium ion capacitor, the steps are as follows:

[0047] (1) The slurry with activated carbon as the active material is attached to the porous aluminum foil as the positive electrode, the slurry with the hard carbon as the active material is attached to the porous copper foil as the negative electrode, and the single-layer PP polymer film is used as the separator. According to the separator, negative electrode, The diaphragm and the positive electrode are wound into a cell and fixed with adhesive tape, and the positive and negative current collectors are welded to the positive and negative tabs or lead-out terminals respectively;

[0048] (2) After drying, immerse the cell in Li 2 CO 3 in a beaker of organic solution;

[0049] (3) Use the positive and negative poles of the charge-discharge tester to connect the positive pole and the negative pole respectively, charge it with a constant current equivalent to 0.2C to 3.8V, then disconnect th...

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 invention provides a manufacturing method of a lithium ion capacitor and a lithium ion capacitor, the steps are as follows: (1) assembling the battery cell; (2) immersing the battery cell in an organic solution containing lithium salt; (3) connecting the positive electrode and the negative electrode respectively The charge-discharge tester takes one discharge after one charge as a cycle, and performs a total of 1-100 cycles to complete the pre-embedded lithium on the negative electrode; (4) Take out the battery, put it into the packaging case, inject electrolyte and assemble into a lithium-ion capacitor. The invention can effectively solve the problem of high cost caused by lithium metal, porous current collectors, etc., can improve safety, simplify process flow, and is suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the field of lithium ion capacitors, in particular to a manufacturing method of a lithium ion capacitor and the lithium ion capacitor. Background technique [0002] Lithium-ion capacitors are a new type of typical hybrid energy storage device that combines lithium-ion batteries and electric double-layer supercapacitors. It has the advantages of high specific energy of lithium-ion capacitors and high specific power and long life of supercapacitors. It is widely used in military and aerospace industries. , green energy and other fields have broad application prospects. At present, the production of lithium-ion capacitors generally adopts the method in Fuji Heavy Industries' invention patent CN101138058B, that is, using lithium metal as a lithium source, using a metal foil with a through hole as a current collector, placing the lithium metal at a position opposite to the negative electrode, and short-circuiting The lithium metal ...

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): H01G11/84H01G11/06
CPCH01G11/06H01G11/14H01G11/38H01G11/50H01G11/60H01G11/62H01G11/84Y02E60/13
Inventor 阮殿波曾福娣傅冠生
Owner NINGBO CRRC NEW ENERGY TECH CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com