CN108539281A - The production method of special lithium battery - Google Patents

The production method of special lithium battery Download PDF

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Publication number
CN108539281A
CN108539281A CN201810306129.3A CN201810306129A CN108539281A CN 108539281 A CN108539281 A CN 108539281A CN 201810306129 A CN201810306129 A CN 201810306129A CN 108539281 A CN108539281 A CN 108539281A
Authority
CN
China
Prior art keywords
positive
negative plate
battery core
terminal
lithium battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810306129.3A
Other languages
Chinese (zh)
Inventor
杨禹
朱文军
孟令忠
邓文书
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Amperex Technology Ltd
Original Assignee
Guizhou Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Amperex Technology Ltd filed Critical Guizhou Amperex Technology Ltd
Priority to CN201810306129.3A priority Critical patent/CN108539281A/en
Publication of CN108539281A publication Critical patent/CN108539281A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/623Portable devices, e.g. mobile telephones, cameras or pacemakers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/653Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/654Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The invention discloses a kind of production methods of special lithium battery, it is characterised in that:Welding radiating treatment terminal is superimposed using punch forming and welds the means such as laser seal finished product, the promotion of comprehensive special property is realized, is as follows:The first, punch forming:It is stamping to carrying out positive and negative plate using upper/lower die;The second, superposition welding:Positive and negative plate and diaphragm are superimposed, ultrasonic bonding machine are used in combination that the foil at positive and negative plate both ends is welded together as leading-out terminal;Third, radiating treatment:Cooling fin is added among positive and negative plate after shaping;4th, terminal welds:Molding battery core after addition cooling fin is welded together with the copper sheet lead-out wire on cover board;5th, laser seal:Battery core is sealed using laser equipment, finished product battery core, the present invention is high-quality and efficient, safe and reliable, economical and practical, easy to operate, is suitble to promoting the use of for the making of special lithium battery.

Description

The production method of special lithium battery
Technical field
The invention belongs to lithium ion battery preparing technical fields, relate in particular to a kind of making side of special lithium battery Method.
Background technology
Lithium ion battery relies primarily on lithium ion movement between positive and negative electrode and carrys out work, is rechargeable battery, is widely used in On laptop and mobile phone.Special lithium battery is generally used for the occasions such as high temperature, high pressure, chronicity non-stop run, for comprehensive Close the requirement higher of special property.
In the prior art, the extraordinary of lithium battery is required to be difficult to reach effect in steel, aluminium, soft-package battery, especially to not Same battery cannot be satisfied in such requirement under conditions of same time, different temperatures, varying environment.Extraordinary effect is realized tired Difficulty, and it is of high cost, and production efficiency is low, and safety is poor, and manufacturing process is complicated, is that this field suddenly waits solving there are many defects Certainly the technical issues of.
Invention content
A kind of high-quality and efficient, safe and reliable, the economical and practical, behaviour provided it is an object of the invention to overcome disadvantages mentioned above Make the production method of convenient special lithium battery.
The object of the invention and its technical problem underlying is solved using following technical scheme to realize:
A kind of production method of special lithium battery of the present invention, it is characterised in that:At punch forming-superposition welding-heat dissipation The means such as reason-terminal welding-laser seal-finished product are realized the promotion of comprehensive special property, are as follows:
The first, punch forming:It is stamping to carrying out positive and negative plate using upper/lower die;
The second, superposition welding:Positive and negative plate and diaphragm are superimposed, are used in combination bonding machine by the foil at positive and negative plate both ends It is welded together as leading-out terminal;
Third, radiating treatment:Cooling fin is added among positive and negative plate after shaping;
4th, terminal welds:Molding battery core after addition cooling fin is welded together with the copper sheet lead-out wire on cover board;
5th, laser seal:Battery core is sealed using laser equipment, finished product battery core.
The production method of above-mentioned special lithium battery, wherein:Bonding machine in step 2 is ultrasonic welding machine.
The present invention compared with the existing technology has clear advantage and advantageous effect.By above technical scheme it is found that this hair In the production method of bright special lithium battery, using punch forming-superposition welding-radiating treatment-terminal welding-laser seal- The means such as finished product improve battery and improve efficiency in high current and uninterrupted current charging and discharging, improve battery in large current density Temperature excessively high problem when electric is mainly utilized basic material and is connected with the preferable copper sheet of heat dissipation effect, greater room Lithium ion excessively high principle of heat caused by charge and discharge process has been shortened to improve the large current density electrical efficiency of battery, thus Realize faster, safer, more efficiently battery design principle.In short, the present invention it is high-quality and efficient, safe and reliable, economical and practical, It is easy to operate, it is suitble to promoting the use of for the making of special lithium battery.
Specific implementation mode
Below in conjunction with preferred embodiment, a kind of production method of the special lithium battery proposed according to the present invention is embodied Mode, structure, feature and its effect are described in detail as after.
In use, using means such as punch forming-superposition welding-radiating treatment-terminal welding-laser seal-finished products, it is real The promotion for now integrating special property, is as follows:
The first, punch forming:It is stamping to carrying out positive and negative plate using upper/lower die;
The second, superposition welding:Positive and negative plate and diaphragm are superimposed, are used in combination bonding machine by the foil at positive and negative plate both ends It is welded together as leading-out terminal;
Third, radiating treatment:Cooling fin is added among positive and negative plate after shaping;
4th, terminal welds:Molding battery core after addition cooling fin is welded together with the copper sheet lead-out wire on cover board;
5th, laser seal:Battery core is sealed using laser equipment, finished product battery core.
Bonding machine in step 2 is ultrasonic welding machine.
The present invention is high-quality and efficient, safe and reliable, economical and practical, easy to operate, is suitble to the popularization of the making of special lithium battery It uses.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form, appoint What is simply repaiied to any made by above example according to the technical essence of the invention without departing from technical solution of the present invention content Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.

Claims (2)

1. a kind of production method of special lithium battery, it is characterised in that:Using punch forming-superposition welding-radiating treatment-terminal The means such as welding-laser seal-finished product are realized the promotion of comprehensive special property, are as follows:
The first, punch forming:It is stamping to carrying out positive and negative plate using upper/lower die;
The second, superposition welding:Positive and negative plate and diaphragm are superimposed, are used in combination bonding machine by the foil at positive and negative plate both ends It is welded together as leading-out terminal;
Third, radiating treatment:Cooling fin is added among positive and negative plate after shaping;
4th, terminal welds:Molding battery core after addition cooling fin is welded together with the copper sheet lead-out wire on cover board;
5th, laser seal:Battery core is sealed using laser equipment, finished product battery core.
2. the production method of special lithium battery as described in claim 1, it is characterised in that:Bonding machine in step 2 is ultrasound Wave soldering picks.
CN201810306129.3A 2018-04-08 2018-04-08 The production method of special lithium battery Pending CN108539281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810306129.3A CN108539281A (en) 2018-04-08 2018-04-08 The production method of special lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810306129.3A CN108539281A (en) 2018-04-08 2018-04-08 The production method of special lithium battery

Publications (1)

Publication Number Publication Date
CN108539281A true CN108539281A (en) 2018-09-14

Family

ID=63482949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810306129.3A Pending CN108539281A (en) 2018-04-08 2018-04-08 The production method of special lithium battery

Country Status (1)

Country Link
CN (1) CN108539281A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111106288A (en) * 2019-12-30 2020-05-05 绍兴易铭新能源汽车有限公司 Assembly process of assembled battery module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810692A (en) * 2011-06-01 2012-12-05 珠海银通新能源有限公司 Annular superconductive lithium ion power battery
CN102956924A (en) * 2012-11-20 2013-03-06 江苏富朗特新能源有限公司 Manufacturing method of single-body lithium battery for high-capacity energy storage
CN103165952A (en) * 2011-12-09 2013-06-19 乐荣工业股份有限公司 Lithium battery core capable of radiating heat by directly conducting heat from internal to external

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810692A (en) * 2011-06-01 2012-12-05 珠海银通新能源有限公司 Annular superconductive lithium ion power battery
CN103165952A (en) * 2011-12-09 2013-06-19 乐荣工业股份有限公司 Lithium battery core capable of radiating heat by directly conducting heat from internal to external
CN102956924A (en) * 2012-11-20 2013-03-06 江苏富朗特新能源有限公司 Manufacturing method of single-body lithium battery for high-capacity energy storage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111106288A (en) * 2019-12-30 2020-05-05 绍兴易铭新能源汽车有限公司 Assembly process of assembled battery module
CN111106288B (en) * 2019-12-30 2022-04-01 绍兴易铭新能源汽车有限公司 Assembly process of assembled battery module

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Application publication date: 20180914