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CN107887650A - The sealed clamping system and method that a kind of power lithium-ion battery is once melted into - Google Patents

The sealed clamping system and method that a kind of power lithium-ion battery is once melted into Download PDF

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Publication number
CN107887650A
CN107887650A CN201710979823.7A CN201710979823A CN107887650A CN 107887650 A CN107887650 A CN 107887650A CN 201710979823 A CN201710979823 A CN 201710979823A CN 107887650 A CN107887650 A CN 107887650A
Authority
CN
China
Prior art keywords
cover plate
sealing
plug
battery
clamping device
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
CN201710979823.7A
Other languages
Chinese (zh)
Inventor
王超
冯臣相
陆维杰
马超
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.)
Jiangxi Hengdong New Energy Co Ltd
Original Assignee
Jiangxi Hengdong New Energy 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 Jiangxi Hengdong New Energy Co Ltd filed Critical Jiangxi Hengdong New Energy Co Ltd
Priority to CN201710979823.7A priority Critical patent/CN107887650A/en
Publication of CN107887650A publication Critical patent/CN107887650A/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
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • 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
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/609Arrangements or processes for filling with liquid, e.g. electrolytes
    • H01M50/627Filling ports
    • H01M50/636Closing or sealing filling ports, e.g. using lids
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses the sealed clamping system and method that a kind of power lithium-ion battery is once melted into, more batteries are loaded using automatic clamping fixture, buckle concatenated probes sealing-plug one cover plate, it is pushed into streamline, cylinder depresses a formation charging electric current, voltage one probe contacts with concatenated probes sealing-plug one cover plate electric current pole, advantages of the present invention:Charging cabinet number of units is few after the series connection of multiple battery cores, efficiency high;Consistency of thickness is uniform in the clamp state for battery core;Sealing-plug in the state of workshop condition is not high, will not also contact liquid injection port automatic-sealed with the moisture content in air inside battery core, battery core efficiency and internal resistance uniformity are uniform, battery core is not in bulging phenomenon, bubble occurs, without in the environment of low dew point, control workshop condition energy consumption low, can pipeline automation continuous productive process, clamping device and sealing-plug one cover plate can reuse, and reduce cost, the interval of the clamping aluminium sheet of clamping device can adjust, and be adapted to various sizes of battery.

Description

The sealed clamping system and method that a kind of power lithium-ion battery is once melted into
Technical field
The present invention relates to the sealed clamping system and method that a kind of power lithium-ion battery is once melted into, belong to lithium battery skill Art field.
Background technology
Lithium-ion-power cell has compared with spies such as high energy density, memory-less effect, more, the service life length of cycle-index Point, the various shortcoming of conventional lead storage cells is broken away from so that electric automobile this zero-emission, the free of contamination vehicles completely are more Easily enter among the life of people;But because the technology of lithium-ion-power cell is complex, to working condition requirement very It is harsh.
Due to using package sealing with laser liquid injection port when not being melted into, battery can be had an impact, what existing technique used Single battery core single-point nature under shed is once melted into or nature is once melted under low dew point environment, under nature Once chemical conversion can cause that battery core easily dilutes battery core bulging after moisture content, bubble, internal resistance to be present big etc. to opening, have a strong impact on battery Cycle life and discharge performance;After much time using air-blowing phenomenon can further aggravate, battery experience overcharge or Person crosses put after, air pressure in battery can be high to shell is burst, and the active material of leakage directly results in dangerous generation, and single Formation efficiency of battery core it is very low, it is necessary to charging cabinet it is also more.And low dew point environmental Kuznets Curves need high energy power consumption, hardly possible is realized Automatic assembly line produces, and once chemical conversion cell thickness can increase it is difficult to ensure that uniformity battery core in its natural state.
Chinese patent CN203134908U discloses Battery formation fixture, and the patent continues to lithium ion battery surface Pressure, effectively solve the problems, such as that lithium ion battery bubble during vacuum chemical conversion gathers, and the Battery formation fixture is flexible Property it is higher, be easy to use and regulation, suitable for the sheet or square power battery of various sizes, even if such as from the patent is also It is not solve the problems, such as low formation efficiency of single battery, liquid injection port sealing and energy consumption.
The content of the invention
The technical problem to be solved in the present invention, it is to provide a kind of few charging cabinet number of units, efficiency high, battery core in clamped condition Lower consistency of thickness is uniform, battery core less demanding to workshop condition is not in bulging phenomenon, and control workshop condition energy consumption is low, The sealed clamping system and method that the power lithium-ion battery of pipeline automation continuous productive process is once melted into.
The present invention is realized by following proposal:The sealed clamping system that a kind of power lithium-ion battery is once melted into, it is wrapped Include clamping device and sealing-plug one cover plate, in the clamping device by multiple clamping aluminium sheets be separated out multiple placing batteries every Between, the sealing-plug one cover plate is by fastening lock movable button in the upper end of the clamping device, the sealing-plug integral cap The upper end of plate connects a cover plate electric current pole, and the top of the cover plate electric current pole is provided with Current Voltage one probe, described Current Voltage one probe is moved up and down by cylinder control, and then is contacted or disconnected with the cover plate electric current pole, institute The lower end for stating sealing-plug one cover plate connects two row's concatenated probes, and concatenated probes described in two rows passes through the sealing-plug integral cap Plate, and be connected by electric wire with the cover plate electric current pole, the electricity of battery described in the lower end in contact of concatenated probes described in two rows Core pole, the centre of concatenated probes described in two rows are provided with row's sealing-plug, and the sealing-plug is connected to described close by connecting rod The lower end of blocking one cover plate, the sealing-plug clog the liquid injection port of the battery.
The battery core pole of the concatenated probes and positive and negative electrode on the battery corresponds.
The sealing-plug corresponds with the liquid injection port.
The clamping device can be clamped or unclamped.
The rear and front end of the clamping device and its internal clamping aluminium sheet is equipped with the hole passed through for pull bar, the folder Clamper and its internal aluminium sheet that clamps pass through in the spacing clamped between aluminium sheet of pull bar adjusting elasticity and two pieces.
A kind of method that power lithium-ion battery is once melted into, it comprises the following steps:
Step 1, more batteries are loaded into clamping device, and clamped;
Step 2, sealing-plug one cover plate is now connected by being buckled in the upper end of clamping device after step 1 Probe is in contact with the battery core pole of battery, and sealing-plug clogs liquid injection port;
Step 3, streamline is pushed into after the completion of step 2, cylinder pushes, and Current Voltage one probe connects with cover plate electric current pole Touch, cover plate electric current pole delivers current to battery core pole by concatenated probes, while completes the once chemical conversion of more batteries.
Formation charging parameter is set according to battery core serial number.
Beneficial effects of the present invention are:Multiple battery cores are connected by being once melted into after being connected after automatic clamping fixture Charging cabinet number of units is few afterwards, efficiency high;Consistency of thickness is uniform in the clamp state for battery core;Sealing-plug by liquid injection port automatic-sealed, In the state of workshop condition is not high, it will not also be contacted inside battery core with the moisture content in air, battery core efficiency and internal resistance uniformity Uniformly, battery core is not in bulging phenomenon, bubble occurs, without in the environment of low dew point, control workshop condition energy consumption is low, energy Enough pipeline automation continuous productive processes, clamping device and sealing-plug one cover plate can be reused, and reduce cost, clamping device The interval of clamping aluminium sheet can adjust, be adapted to various sizes of battery, applicability is wide.
Brief description of the drawings
Fig. 1 is that the cross-section structure of facing for the sealed clamping system that a kind of power lithium-ion battery of the present invention is once melted into is illustrated Figure.
Fig. 2 is that the clamping device for the sealed clamping system that a kind of power lithium-ion battery of the present invention is once melted into loads onto battery Overlooking the structure diagram afterwards.
Fig. 3 is the sealing-plug one cover plate for the sealed clamping system that a kind of power lithium-ion battery of the present invention is once melted into Present invention looks up structural representation.
In figure:1 is clamping device, and 2 be sealing-plug one cover plate, and 3 is clamp aluminium sheet, and 4 be battery, and 5 latch for fastening, 6 It is concatenated probes for cover plate electric current pole, 7,8 be battery core pole, and 9 be sealing-plug, and 10 be liquid injection port.
Embodiment
With reference to Fig. 1-3, the present invention is further described, but the scope of the present invention does not limit to the content.
Wherein identical parts are presented with like reference characters.It should be noted that the word used below in description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to court To or away from particular elements geometric centers direction, and accompanying drawing is compared using very simplified form and accurately using non- Rate, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
For clarity, not describing whole features of practical embodiments, in the following description, known function is not described in detail And structure, because they can make the present invention chaotic due to unnecessary details, it will be understood that opening in any practical embodiments In hair, it is necessary to a large amount of implementation details are made to realize the specific objective of developer, such as according to relevant system or relevant business Limitation, another embodiment is changed into by one embodiment, additionally, it should think that this development is probably complicated and expended Time, but it is only to those skilled in the art routine work.
The sealed clamping system that a kind of power lithium-ion battery is once melted into, it includes clamping device 1 and sealing-plug one Cover plate 2, the interior compartments that multiple placing batteries 4 are separated out by multiple clamping aluminium sheets 3 of clamping device 1, sealing-plug one cover plate 2 pass through Fastening 5 movable buttons of lock connect a cover plate electric current pole 6 in the upper end of clamping device 1, the upper end of sealing-plug one cover plate 2, The top of cover plate electric current pole 6 is provided with Current Voltage one probe, and Current Voltage one probe is carried out up and down by cylinder control It is mobile, and then contact or disconnect with cover plate electric current pole 6, two row's concatenated probes 7 of lower end connection of sealing-plug one cover plate 2, two Row's concatenated probes 7 passes through sealing-plug one cover plate 2, and is connected by electric wire with cover plate electric current pole 6, two row's concatenated probes 7 Lower end in contact battery 4 battery core pole 8, the centre of two row's concatenated probes 7 is provided with row's sealing-plug 9, and sealing-plug 9 passes through connection Bar is connected to the lower end of sealing-plug one cover plate 2, and sealing-plug 9 clogs the liquid injection port 10 of battery 4.
The battery core pole 8 of concatenated probes 7 and positive and negative electrode on battery 4 corresponds.
Sealing-plug 9 corresponds with liquid injection port 10.
Clamping device 1 can be clamped or unclamped.
The rear and front end of clamping device 1 and its internal clamping aluminium sheet 3 is equipped with the hole passed through for pull bar 11, clamps folder Tool 1 and its internal aluminium sheet 3 that clamps pass through in the adjusting elasticity of pull bar 11 and two pieces of spacing clamped between aluminium sheet 3.
A kind of method that power lithium-ion battery is once melted into, it comprises the following steps:
Step 1, more batteries 4 are loaded into clamping device 1, and clamped;
Step 2, sealing-plug one cover plate 2 is buckled in the upper end of clamping device 1 after step 1 by fastening lock 5, now gone here and there Connection probe 7 is in contact with the battery core pole 8 of battery 4, and sealing-plug 9 clogs liquid injection port 10;
Step 3, streamline is pushed into after the completion of step 2, cylinder pushes, and Current Voltage one probe connects with cover plate electric current pole 6 Touch, cover plate electric current pole 6 delivers current to battery core pole 8 by concatenated probes 7, while completes the once change of more batteries 4 Into.
Formation charging parameter is set according to battery core serial number.
Although more detailed elaboration is done to technical scheme and has been enumerated, it will be appreciated that for ability For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member Claimed scope.

Claims (7)

  1. A kind of 1. sealed clamping system that power lithium-ion battery is once melted into, it is characterised in that:It includes clamping device(1)With Sealing-plug one cover plate(2), the clamping device(1)It is interior to pass through multiple clamping aluminium sheets(3)It is separated out multiple placing batteries(4)Every Between, the sealing-plug one cover plate(2)Latched by fastening(5)Movable button is in the clamping device(1)Upper end, the sealing Fill in integral cover plate(2)Upper end connect a cover plate electric current pole(6), the cover plate electric current pole(6)Top be provided with electric current Voltage one probe, the Current Voltage one probe by cylinder control move up and down, and then with the cover plate electric current Pole(6)Contact disconnects, the sealing-plug one cover plate(2)Lower end connect two row's concatenated probes(7), series connection described in two rows Probe(7)Through the sealing-plug one cover plate(2), and pass through electric wire and the cover plate electric current pole(6)It is connected, two row institutes State concatenated probes(7)Lower end in contact described in battery(4)Battery core pole(8), concatenated probes described in two rows(7)Centre be provided with One row's sealing-plug(9), the sealing-plug(9)The sealing-plug one cover plate is connected to by connecting rod(2)Lower end, it is described close Blocking(9)Clog the battery(4)Liquid injection port(10).
  2. 2. the sealed clamping system that a kind of power lithium-ion battery according to claim 1 is once melted into, it is characterised in that: The concatenated probes(7)With the battery(4)The battery core pole of upper positive and negative electrode(8)Correspond.
  3. 3. the sealed clamping system that a kind of power lithium-ion battery according to claim 1 is once melted into, it is characterised in that: The sealing-plug(9)With the liquid injection port(10)Correspond.
  4. 4. the sealed clamping system that a kind of power lithium-ion battery according to claim 1 is once melted into, it is characterised in that: The clamping device(1)It can clamp or unclamp.
  5. 5. the sealed clamping system that a kind of power lithium-ion battery according to claim 1 is once melted into, it is characterised in that: The clamping device(1)And its internal clamping aluminium sheet(3)Rear and front end be equipped with for pull bar(11)The hole passed through, it is described Clamping device(1)And its internal clamping aluminium sheet(3)By in pull bar(11)Adjusting elasticity and two blocks of clamping aluminium sheets (3)Between spacing.
  6. 6. a kind of method that power lithium-ion battery based on claim 1 is once melted into, it is characterised in that:It includes following step Suddenly:
    Step 1, by more batteries(4)Load clamping device(1), and clamp;
    Step 2, by sealing-plug one cover plate after step 1(2)Latched by fastening(5)It is buckled in clamping device(1)Upper end, Now concatenated probes(7)With battery(4)Battery core pole(8)It is in contact, sealing-plug(9)Clog liquid injection port(10);
    Step 3, streamline is pushed into after the completion of step 2, cylinder pushes, Current Voltage one probe and cover plate electric current pole(6) Contact, cover plate electric current pole(6)Pass through concatenated probes(7)Deliver current to battery core pole(8), while complete more batteries (4)Once chemical conversion.
  7. A kind of 7. chemical synthesizing method of power lithium-ion battery according to claim 6, it is characterised in that:According to battery core string Join quantity and formation charging parameter is set.
CN201710979823.7A 2017-10-19 2017-10-19 The sealed clamping system and method that a kind of power lithium-ion battery is once melted into Pending CN107887650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710979823.7A CN107887650A (en) 2017-10-19 2017-10-19 The sealed clamping system and method that a kind of power lithium-ion battery is once melted into

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710979823.7A CN107887650A (en) 2017-10-19 2017-10-19 The sealed clamping system and method that a kind of power lithium-ion battery is once melted into

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818076A (en) * 2019-02-22 2019-05-28 浙江大学昆山创新中心 A kind of pinch seal tooling for lithium ion battery
CN115863802A (en) * 2021-09-26 2023-03-28 宁德时代新能源科技股份有限公司 Electricity core formation anchor clamps and electricity core formation system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202169252U (en) * 2011-07-15 2012-03-21 苏州星恒电源有限公司 Lithium ion secondary battery sorting equipment
CN102800892A (en) * 2012-08-21 2012-11-28 杭州万好万家动力电池有限公司 Pre-formation method of soft-package lithium ion battery and device thereof
CN104078712A (en) * 2014-06-24 2014-10-01 王宏栋 Lithium ion battery parallel formation method and device
CN204333159U (en) * 2013-12-25 2015-05-13 深圳市沃特玛电池有限公司 Lithium battery formation and capacity clamping device and equipment with the clamping device
CN105529781A (en) * 2013-12-26 2016-04-27 蒋红娟 Fully automated lithium battery charging system
CN106299484A (en) * 2016-10-18 2017-01-04 江苏正品新能源科技有限公司 A kind of lithium ion battery series connection is remained silent formation device
CN205882076U (en) * 2016-08-10 2017-01-11 青海时代新能源科技有限公司 Batteryization becomes device
CN207398288U (en) * 2017-10-19 2018-05-22 江西恒动新能源有限公司 The sealed clamping system that a kind of power lithium-ion battery is once melted into

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202169252U (en) * 2011-07-15 2012-03-21 苏州星恒电源有限公司 Lithium ion secondary battery sorting equipment
CN102800892A (en) * 2012-08-21 2012-11-28 杭州万好万家动力电池有限公司 Pre-formation method of soft-package lithium ion battery and device thereof
CN204333159U (en) * 2013-12-25 2015-05-13 深圳市沃特玛电池有限公司 Lithium battery formation and capacity clamping device and equipment with the clamping device
CN105529781A (en) * 2013-12-26 2016-04-27 蒋红娟 Fully automated lithium battery charging system
CN104078712A (en) * 2014-06-24 2014-10-01 王宏栋 Lithium ion battery parallel formation method and device
CN205882076U (en) * 2016-08-10 2017-01-11 青海时代新能源科技有限公司 Batteryization becomes device
CN106299484A (en) * 2016-10-18 2017-01-04 江苏正品新能源科技有限公司 A kind of lithium ion battery series connection is remained silent formation device
CN207398288U (en) * 2017-10-19 2018-05-22 江西恒动新能源有限公司 The sealed clamping system that a kind of power lithium-ion battery is once melted into

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818076A (en) * 2019-02-22 2019-05-28 浙江大学昆山创新中心 A kind of pinch seal tooling for lithium ion battery
CN109818076B (en) * 2019-02-22 2024-07-05 浙江大学昆山创新中心 Clamping and sealing tool for lithium ion battery
CN115863802A (en) * 2021-09-26 2023-03-28 宁德时代新能源科技股份有限公司 Electricity core formation anchor clamps and electricity core formation system
CN115863802B (en) * 2021-09-26 2024-01-09 宁德时代新能源科技股份有限公司 Battery cell formation clamp and battery cell formation system

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