CN109524712A - Slimline battery and preparation method thereof - Google Patents

Slimline battery and preparation method thereof Download PDF

Info

Publication number
CN109524712A
CN109524712A CN201811106167.0A CN201811106167A CN109524712A CN 109524712 A CN109524712 A CN 109524712A CN 201811106167 A CN201811106167 A CN 201811106167A CN 109524712 A CN109524712 A CN 109524712A
Authority
CN
China
Prior art keywords
battery
sheet metal
diaphragm
slimline
battery material
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
CN201811106167.0A
Other languages
Chinese (zh)
Inventor
吴立伟
钱丽红
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.)
Dongguan Weisheng Machinery Equipment Technology Co Ltd
Original Assignee
Dongguan Weisheng Machinery Equipment Technology 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 Dongguan Weisheng Machinery Equipment Technology Co Ltd filed Critical Dongguan Weisheng Machinery Equipment Technology Co Ltd
Priority to CN201811106167.0A priority Critical patent/CN109524712A/en
Publication of CN109524712A publication Critical patent/CN109524712A/en
Pending legal-status Critical Current

Links

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
    • H01M10/0585Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a kind of slimline battery and preparation method thereof, slimline battery includes positive plate, negative electrode tab and the diaphragm for being bonded positive plate and negative electrode tab;The one side that the positive plate and negative electrode tab are bonded with diaphragm respectively is coated with battery material and electrolyte;The production method of the slimline battery is the following steps are included: the one side of sheet metal coats battery material, and reserves coating area at edge;Electrolyte is added in the one side of sheet metal coating battery material;It is bonded with diaphragm with sheet metal, seals the coating area adhesion of diaphragm and sheet metal to form battery.The present invention on sheet metal by directly coating battery material, and with diaphragm by multiple sheet metal Adhesion formation batteries, battery is small in size, eliminates anode ear, negative electrode lug and packaging aluminum plastic film, improves battery performance and heat dissipation effect.

Description

Slimline battery and preparation method thereof
Technical field
The present embodiments relate to field of batteries more particularly to a kind of slimline battery and preparation method thereof.
Background technique
Existing lithium ion flexible package battery is laminated aluminum film, by anode ear and negative electrode lug charge and discharge, not only cell body Product is big, and charging and discharging currents are also limited by anode ear and negative electrode lug, and heat dissipation effect is also poor.
Description
In view of deficiency present in prior art described above, the present invention provides a kind of slimline batteries and preparation method thereof.
The embodiment of the invention provides a kind of slimline battery, the slimline battery includes positive plate, negative electrode tab and for pasting Close the diaphragm of positive plate and negative electrode tab;The one side that the positive plate and negative electrode tab are bonded with diaphragm respectively is coated with battery material Material and electrolyte.
Further, the battery material includes positive battery material and negative battery material, and positive battery material includes One or more combinations of LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium, negative battery material includes graphene, artificial One or more combinations of graphite, carbonaceous mesophase spherules and Si-C composite material.
On the other hand, the embodiment of the present invention also provides a kind of production method of slimline battery, comprising the following steps:
The one side of sheet metal coats battery material, and reserves coating area at edge;
Electrolyte is added in the one side of sheet metal coating battery material;
It is bonded with diaphragm with sheet metal;
It seals the coating area adhesion of diaphragm and sheet metal to form battery.
Further, battery material is coated in the one side of sheet metal, and further includes following before coating area is reserved at edge Step:
Metal Cutting is in blocks.
It is further comprising the steps of after the coating area adhesion by diaphragm and sheet metal seals and to form battery:
Battery is subjected to electricizing activation, and the reserved production port of adhesion again.
Further, the battery material includes positive battery material and negative battery material, and positive battery material includes One or more combinations of LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium, negative battery material includes graphene, artificial One or more combinations of graphite, carbonaceous mesophase spherules and Si-C composite material.
Further, sheet metal serves as the positive plate of battery after the coating of positive battery material, and sheet metal is through negative battery The negative electrode tab of battery is served as after material coating.
Further, diaphragm with positive plate coating battery material while be bonded, another side and negative electrode tab apply The one side fitting for covering battery material, is separately added into electrolyte in fitting.
Further, the electrolyte is solid-state electrolytic solution.
The beneficial effects of the present invention are: present invention use is cut into laminar sheet metal, by directly on sheet metal Coat battery material, with diaphragm by sheet metal Adhesion formation battery, battery is small in size, eliminate anode ear, negative electrode lug with Aluminum plastic film is packed, battery performance is promoted and good heat dissipation effect.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of slimline battery of the present invention.
Fig. 2 is the step flow chart of one embodiment of the production method of slimline battery of the present invention.
Fig. 3 is the step flow chart of another embodiment of the production method of slimline battery of the present invention.
Fig. 4 is the step flow chart of the further embodiment of the production method of slimline battery of the present invention.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to embodiment, whereby to the present invention how application technology hand Section solves technical problem, and the realization process for reaching technical effect can fully understand and implement.
As shown in Figure 1, the present invention provides a kind of slimline battery, the slimline battery includes positive plate 1, negative electrode tab 2 and uses In the diaphragm 3 of fitting positive plate 1 and negative electrode tab 2;The one side that the positive plate 1 and negative electrode tab 2 are bonded with diaphragm 3 respectively applies It is covered with battery material 4 and electrolyte.
The present invention by positive plate 1 be coated with battery material 4 with diaphragm 3 while be bonded, negative electrode tab 2 is coated with The one side of battery material 4 is bonded with the another side of diaphragm 3, is directly served as the positive grade of battery by positive plate 1 and negative electrode tab 2, is born Pole, battery structure is simple, high-performance and good heat dissipation.
In one alternate embodiment, the battery material 4 includes positive battery material 41 and negative battery material 42, just Pole battery material 41 includes one or more combinations of LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium, negative battery material 42 include one or more combinations of graphene, electrographite, carbonaceous mesophase spherules and Si-C composite material.The present embodiment Positive battery material 41 and negative battery material 42 are common battery material 4.
On the other hand, the present invention also provides a kind of production methods of slimline battery, comprising the following steps:
The one side of step S11, sheet metal coat battery material 4, and reserve coating area at edge;
Electrolyte is added in the one side of sheet metal coating battery material 4 in step S12;
Step S13 is bonded with diaphragm 3 with sheet metal;
Step S14 seals the coating area adhesion of diaphragm 3 and sheet metal to form battery.The present invention on sheet metal by applying Battery material 4 is covered, along with electrolyte and 3 gluing, sealing of diaphragm, the sheet metal of 3 two sides of diaphragm is being respectively served as battery just Pole, cathode.
In a specific embodiment, battery material 4 is coated in the sheet metal, and before coating area is reserved at edge also The following steps are included:
Step S10, Metal Cutting is in blocks;
It is further comprising the steps of after the adhesion seals and to form battery:
Battery is carried out electricizing activation by step S15, and the reserved production port of adhesion again.
The present embodiment is in blocks by Metal Cutting, and sheet metal directly coats battery material 4, and coating area is reserved at the edge of sheet metal With 3 gluing, sealing of diaphragm, battery material 4 is mixed with electrolyte generates free electron ion.
In one alternate embodiment, the battery material 4 includes positive battery material 41 and negative battery material 42, just Pole battery material 41 includes one or more combinations of LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium, negative battery material 42 include one or more combinations of graphene, electrographite, carbonaceous mesophase spherules and Si-C composite material.
In a specific embodiment, sheet metal serves as the positive plate 1 of battery, metal after the coating of positive battery material 41 Piece serves as the negative electrode tab 2 of battery after the coating of negative battery material 42;The one side of diaphragm 3 coats battery material with positive plate 1 One side fitting, the one side that another side and negative electrode tab 2 coat battery material is bonded, and is separately added into electrolyte when being bonded.This hair The bright one side painting of sheet metal is covered with after positive battery material 41 serves as positive plate 1, and the one side painting of sheet metal is covered with negative electricity Serve as negative electrode tab 2 after pond material 42, the one side coated with battery material 4 of positive plate 1 and negative electrode tab 2 respectively with diaphragm 3 Two sides fitting.
In a specific embodiment, the electrolyte is solid-state electrolytic solution.Solid-state electrolytic solution is convenient to installation production, and And the more efficient of solid-state electrolytic solution, performance are stronger.
In one alternate embodiment, the reserved coating area width range is 1 ~ 1.5mm;The size of the diaphragm 3 Greater than sheet metal 1mm.The size of diaphragm 3 is slightly larger than sheet metal, prevents 3 liang of end in contact of diaphragm, reduces dangerous.
In one alternate embodiment, sheet metal can multi-disc coating fitting, superposition assembling increase battery capacity.The present invention can Battery material and electrolyte superposition are coated by multilayered metal film, improves battery capacity.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of slimline battery, which is characterized in that the slimline battery include positive plate, negative electrode tab and for be bonded positive plate with The diaphragm of negative electrode tab;The one side that the positive plate and negative electrode tab are bonded with diaphragm respectively is coated with battery material and electrolysis Liquid.
2. slimline battery as described in claim 1, which is characterized in that the battery material includes positive battery material and cathode Battery material, positive battery material include one or more combinations of LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium, are born Pole battery material includes one or more combinations of graphene, electrographite, carbonaceous mesophase spherules and Si-C composite material.
3. a kind of production method of slimline battery, which comprises the following steps:
The one side of sheet metal coats battery material, and reserves coating area at edge;
Electrolyte is added in the one side of sheet metal coating battery material;
It is bonded with diaphragm with sheet metal;
It seals the coating area adhesion of diaphragm and sheet metal to form battery.
4. the production method of slimline battery as claimed in claim 3, which is characterized in that the one side in sheet metal coats electricity Pond material, and further comprising the steps of before coating area is reserved at edge:
Metal Cutting is in blocks.
5. the production method of slimline battery as claimed in claim 3, which is characterized in that described by diaphragm and sheet metal Coating area adhesion seals to form battery after it is further comprising the steps of:
Battery is subjected to electricizing activation, and the reserved production port of adhesion again.
6. a kind of production method of slimline battery as claimed in claim 3, which is characterized in that the battery material includes anode Battery material and negative battery material, positive battery material include LiFePO4, LiMn2O4, cobalt acid lithium and ternary lithium one kind or A variety of combinations, negative battery material include graphene, electrographite, carbonaceous mesophase spherules and Si-C composite material one kind or A variety of combinations.
7. a kind of production method of slimline battery as claimed in claim 6, which is characterized in that the sheet metal is through positive battery The positive plate of battery is served as after material coating, sheet metal serves as the negative electrode tab of battery after the coating of negative battery material.
8. a kind of production method of slimline battery as claimed in claim 7, which is characterized in that the one side and positive plate of diaphragm The one side fitting of battery material is coated, another side is bonded with the one side of negative electrode tab coating battery material, is separately added into fitting Electrolyte.
9. a kind of production method of slimline battery as claimed in claim 3, which is characterized in that the electrolyte is solid state electrolysis Liquid.
CN201811106167.0A 2018-09-21 2018-09-21 Slimline battery and preparation method thereof Pending CN109524712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811106167.0A CN109524712A (en) 2018-09-21 2018-09-21 Slimline battery and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811106167.0A CN109524712A (en) 2018-09-21 2018-09-21 Slimline battery and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109524712A true CN109524712A (en) 2019-03-26

Family

ID=65769891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811106167.0A Pending CN109524712A (en) 2018-09-21 2018-09-21 Slimline battery and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109524712A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114450842A (en) * 2019-10-31 2022-05-06 株式会社村田制作所 Secondary battery and battery pack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101569029A (en) * 2006-10-31 2009-10-28 纳诺泰克图有限公司 Electrochemical cell for use in smart cards
CN108232110A (en) * 2017-02-21 2018-06-29 深圳市格瑞普电池有限公司 Laminated lithium ion battery and its pole piece
CN108376759A (en) * 2018-01-17 2018-08-07 柔电(武汉)科技有限公司 A kind of soft package lithium battery preparation method improving energy density
CN108475765A (en) * 2015-12-31 2018-08-31 I-Ten公司 All-solid-state battery with solid electrolyte and ion conductive material layer
CN207800773U (en) * 2016-11-25 2018-08-31 昭和电工包装株式会社 Electrical storage device component

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101569029A (en) * 2006-10-31 2009-10-28 纳诺泰克图有限公司 Electrochemical cell for use in smart cards
CN108475765A (en) * 2015-12-31 2018-08-31 I-Ten公司 All-solid-state battery with solid electrolyte and ion conductive material layer
CN207800773U (en) * 2016-11-25 2018-08-31 昭和电工包装株式会社 Electrical storage device component
CN108232110A (en) * 2017-02-21 2018-06-29 深圳市格瑞普电池有限公司 Laminated lithium ion battery and its pole piece
CN108376759A (en) * 2018-01-17 2018-08-07 柔电(武汉)科技有限公司 A kind of soft package lithium battery preparation method improving energy density

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114450842A (en) * 2019-10-31 2022-05-06 株式会社村田制作所 Secondary battery and battery pack

Similar Documents

Publication Publication Date Title
CN104681857B (en) Foldable lithium ion battery and manufacturing method thereof
CN208637537U (en) A kind of solid state battery of low interfacial resistance
CN211045593U (en) Elastic layered silicon-based negative electrode plate and lithium battery comprising same
CN203746972U (en) Positive electrode plate
CN109004234A (en) A kind of lithium ion secondary battery
CN108807843A (en) MULTILAYER COMPOSITE cathode and preparation method thereof and alkali metal battery including it
CN217507389U (en) Lithium/sodium ion battery positive plate and battery comprising same
CN107658496A (en) A kind of secondary cell and preparation method thereof
CN104103848A (en) Lithium manganate and nickel cobalt lithium manganate power battery and manufacturing method thereof
WO2013021443A1 (en) Non-aqueous electrolyte rechargeable battery
CN102376984B (en) Ultrathin rechargeable battery and manufacturing process thereof
JP2015005421A (en) Electrode body and all-solid-state battery
CN208460894U (en) A kind of single battery core and flexible battery group
KR20130136150A (en) Solid high-ionic conductor for lithium battery and lithium battery using the same
CN109524712A (en) Slimline battery and preparation method thereof
CN108321391B (en) Graphene-based all-solid-state metal lithium battery and working method thereof
CA3125938C (en) Lis battery with low solvating electrolyte
CN210245650U (en) Novel ultra-thin battery
CN207217663U (en) A kind of high-performance all-solid lithium battery
CN204441383U (en) The button-shaped LiFePO4 chargeable lithium cell of a kind of high power capacity
CN115295757A (en) Pole piece and battery
CN107680819B (en) A kind of lithium-ion capacitor
CN105591063A (en) High-power lithium iron phosphate battery and preparation method thereof
CN104103824A (en) High energy power battery and manufacturing method thereof
CN109411701A (en) Battery anode slice and its manufacturing method and lithium ion battery and its manufacturing method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190326

RJ01 Rejection of invention patent application after publication