CN108461809A - A kind of lithium battery and its manufacturing method - Google Patents

A kind of lithium battery and its manufacturing method Download PDF

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Publication number
CN108461809A
CN108461809A CN201810416501.6A CN201810416501A CN108461809A CN 108461809 A CN108461809 A CN 108461809A CN 201810416501 A CN201810416501 A CN 201810416501A CN 108461809 A CN108461809 A CN 108461809A
Authority
CN
China
Prior art keywords
content
lithium battery
lithium
ptc element
manufacturing
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
CN201810416501.6A
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Chinese (zh)
Inventor
汪亚非
郝俊
郝彦青
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.)
Zigong Tong Fa Industrial Co Ltd
Original Assignee
Zigong Tong Fa Industrial Co 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 Zigong Tong Fa Industrial Co Ltd filed Critical Zigong Tong Fa Industrial Co Ltd
Priority to CN201810416501.6A priority Critical patent/CN108461809A/en
Publication of CN108461809A publication Critical patent/CN108461809A/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
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/116Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
    • H01M50/124Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
    • 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

Abstract

The invention discloses a kind of lithium batteries, main includes anode, content and package shell, package shell is followed successively by PTC element, electric bridge and safe floor from inside to outside, and propose the manufacturing method of lithium battery, a kind of lithium battery of the present invention and its manufacturing method, reasonable design, easy to use, making material derives from a wealth of sources, it is of low cost, manufacturing method is easy, and factory's large-scale production, technical solution provided by the present invention is suitble to optimize the manufacturing method of lithium battery, with marked improvement, the present invention is widely used in technical field of lithium batteries.

Description

A kind of lithium battery and its manufacturing method
Technical field
The present invention relates to technical field of lithium batteries, are to be related to a kind of lithium battery and its manufacturing method more particularly.
Background technology
In recent years, with the rise in price of petroleum resources, international global environment protection move it is surging for background, carrying out Research is to promote using electric vehicle, hybrid vehicle, fuel cell car.In their drive system, as auxiliary With power supply, battery is indispensable, and it is hoped that there will be the unexpected height output work(started and accelerate suddenly that can cope with automobile The battery of rate.In addition, to vehicle weight loading, from the viewpoint of fuel consumption increase, it is desirable to have the high electricity of energy density Pond.From such background, in secondary cell energy density highest and can show high-output power lithium ion secondary electricity Pond is considered promising.
In general, lithium rechargeable battery is by the cathode of anode and carbonaceous material containing the oxide containing lithium ion Constitute electrode.For anode, since the electric conductivity of the oxide (positive active material) containing lithium ion itself is low, it is Raising electric conductivity and add the conductive materials such as carbon black or carbon fiber.About carbon fiber, had developed in recent years using vapor phase method Fibre diameter is nano level VGCF (registered trademark) or carbon nanotube, and is studying its application in battery use.
Invention content
Goal of the invention:The prior art is insufficient and defect the purpose of the present invention is being directed to, and provides a kind of lithium battery and its manufacture Method has good actual effect according to technical solution provided by the present invention.
Technical solution:To achieve the goals above, the technical solution adopted in the present invention is:A kind of lithium battery, it is main to wrap Anode, content and package shell are included, package shell is followed successively by PTC element, electric bridge and safe floor from inside to outside.
PTC element is arranged between content and electric bridge, and PTC element one end is attached on thin plate, and thin plate in a tubular form and coats On the outside of content, the other end of PTC element is inside content on thin plate.
Content includes positive content and cathode content, passes through polyethylene between positive content and cathode content Film is isolated.
The safe floor be insulating materials made of thin slice, the safe floor be insulating sleeve, insulating paper tube, laminate, One kind in rubber or plastics.
A kind of manufacturing method of lithium battery, mainly includes the following steps that:
Step 1: making content:The grinding of lithium substance will be contained, lithium substance will be contained and be ground in 1-15 μ ms, then lithium object will be contained Matter is sufficiently mixed with conductive auxiliary agent, and paste content is made;
Step 2: making package shell:PTC element, electric bridge and safe floor are pressed into bonding successively, and cavity shell is made;
Step 3: filling content:By paste content fill to package shell in and compress;
Step 4: sealing and packaging:Package shell is simultaneously carried out Seal treatment by fixed anode, and the seam crossing filling for wrapping up shell is close Close glue.
Advantageous effect:Compared with prior art, the present invention advantage is:
A kind of lithium battery of the present invention and its manufacturing method, reasonable design is easy to use, and making material derives from a wealth of sources, of low cost, Manufacturing method is easy, and factory's large-scale production, technical solution provided by the present invention is suitble to carry out the manufacturing method of lithium battery There is marked improvement, the present invention to be widely used in technical field of lithium batteries for optimization.
Description of the drawings
Fig. 1 is a kind of lithium battery of the present invention and its structural schematic diagram of manufacturing method.
In figure:1, positive;2, content;3, PTC element;4, electric bridge;5, safe floor.
Specific implementation mode
With reference to embodiment, it further illustrates the present invention.
As shown in Figure 1, a kind of lithium battery, main includes anode 1, content 2 and package shell, and package shell is from inside to outside It is followed successively by PTC element 3, electric bridge 4 and safe floor 5, PTC element 3 is arranged between content 2 and electric bridge 4,3 one end of PTC element patch On thin plate, thin plate in a tubular form and is coated on the outside of content 2, and the other end of PTC element 3 is inside content 2 on thin plate.
Content 2 includes positive content and cathode content, passes through poly- second between positive content and cathode content Alkene film is isolated.
The safe floor 5 is thin slice made of insulating materials.
The safe floor 5 is one kind in insulating sleeve, insulating paper tube, laminate, rubber or plastics.
A kind of manufacturing method of lithium battery, mainly includes the following steps that:
Step 1: making content:The grinding of lithium substance will be contained, lithium substance will be contained and be ground in 1-15 μ ms, then lithium object will be contained Matter is sufficiently mixed with conductive auxiliary agent, and paste content 2 is made;
Step 2: making package shell:PTC element 3, electric bridge 4 and safe floor 5 are pressed into bonding successively, and cavity shell is made;
Step 3: filling content:The filling of paste content 2 is extremely wrapped up in shell and compressed;
Step 4: sealing and packaging:Package shell is simultaneously carried out Seal treatment by fixed anode 1, wraps up the seam crossing filling of shell Closed glue.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The present invention's is technical Range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.

Claims (5)

1. a kind of lithium battery, main includes anode(1), content(2)And package shell, it is characterised in that:Shell is wrapped up from interior It is followed successively by PTC element outward(3), electric bridge(4)And safe floor(5), PTC element(3)It is arranged in content(2)With electric bridge(4)It Between, PTC element(3)One end is attached on thin plate, and thin plate in a tubular form and is coated on content(2)Outside, PTC element on thin plate(3) The other end in content(2)It is internal.
2. a kind of lithium battery according to claim 1, it is characterised in that:Content(2)Including positive content and cathode Content is isolated between positive content and cathode content by polyethylene film.
3. a kind of lithium battery according to claim 1, it is characterised in that:The safe floor(5)Made of insulating materials Thin slice.
4. a kind of lithium battery according to claim 3, it is characterised in that:The safe floor(5)For insulating sleeve, insulating paper One kind in pipe, laminate, rubber or plastics.
5. a kind of manufacturing method of lithium battery, mainly includes the following steps that:It is characterized in that:
Step 1: making content:The grinding of lithium substance will be contained, lithium substance will be contained and be ground in 1-15 μ ms, then lithium object will be contained Matter is sufficiently mixed with conductive auxiliary agent, and paste content is made(2);
Step 2: making package shell:By PTC element(3), electric bridge(4)And safe floor(5)Press bonding successively, and sky is made Chamber enclosure;
Step 3: filling content:By paste content(2)In filling to package shell and compress;
Step 4: sealing and packaging:Fixed anode(1)And package shell is subjected to Seal treatment, the seam crossing for wrapping up shell is filled out Fill closed glue.
CN201810416501.6A 2018-05-03 2018-05-03 A kind of lithium battery and its manufacturing method Pending CN108461809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810416501.6A CN108461809A (en) 2018-05-03 2018-05-03 A kind of lithium battery and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810416501.6A CN108461809A (en) 2018-05-03 2018-05-03 A kind of lithium battery and its manufacturing method

Publications (1)

Publication Number Publication Date
CN108461809A true CN108461809A (en) 2018-08-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810416501.6A Pending CN108461809A (en) 2018-05-03 2018-05-03 A kind of lithium battery and its manufacturing method

Country Status (1)

Country Link
CN (1) CN108461809A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200810183A (en) * 2006-06-23 2008-02-16 Boston Power Inc Lithium battery with external positive thermal coefficient layer
TW201304245A (en) * 2011-07-15 2013-01-16 Growin Automation Co Ltd Process of assembling pole groups to exterior case
CN206619649U (en) * 2016-12-16 2017-11-07 深圳市艾博尔新能源有限公司 A kind of lithium-manganese cell
CN208173724U (en) * 2018-05-03 2018-11-30 自贡同发荣实业有限公司 A kind of lithium battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200810183A (en) * 2006-06-23 2008-02-16 Boston Power Inc Lithium battery with external positive thermal coefficient layer
TW201304245A (en) * 2011-07-15 2013-01-16 Growin Automation Co Ltd Process of assembling pole groups to exterior case
CN206619649U (en) * 2016-12-16 2017-11-07 深圳市艾博尔新能源有限公司 A kind of lithium-manganese cell
CN208173724U (en) * 2018-05-03 2018-11-30 自贡同发荣实业有限公司 A kind of lithium battery

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Application publication date: 20180828