CN104538675B - Lithium polymer battery high temperature formation technology - Google Patents
Lithium polymer battery high temperature formation technology Download PDFInfo
- Publication number
- CN104538675B CN104538675B CN201410731056.4A CN201410731056A CN104538675B CN 104538675 B CN104538675 B CN 104538675B CN 201410731056 A CN201410731056 A CN 201410731056A CN 104538675 B CN104538675 B CN 104538675B
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- China
- Prior art keywords
- battery
- lithium polymer
- polymer battery
- high temperature
- baking machine
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a lithium polymer battery high temperature formation technology. The technology comprises the following steps: 1, clamping a battery: placing the battery on a special clamp in a pressure baking machine, wherein the special clamp comprises a supporting frame and a driving cylinder body, the driving cylinder body is arranged at the top of the supporting frame, a plurality of plywoods are laminated up and down in the supporting frame, and each of the plywoods is uniformly provided with a plurality of pairs of tab clips; 2, activating the battery; 3, pre-charging the battery; 4, compressing the battery; and 5, baking the battery. The special clamp cooperates with all the tab clips and are connected in series, and all batteries are connected in series when the batteries are arranged, so battery activation, battery pre-charging, battery compression and battery baking are carried out in the special clamp in the pressure baking machine without loading and unloading the batteries one by one in order to reduce manpower cost and effectively improve the production efficiency, so high speed and high quality formation of the lithium polymer batteries is realized, and a large economy efficiency is brought for production enterprises.
Description
Technical field
The present invention relates to field of lithium ion battery technology, refers in particular to a kind of lithium polymer battery high temperature chemical synthesis technology.
Background technology
Lithium polymer battery is due to many advantages, such as high volume energy density and gravimetric energy density, low
Self-discharge rate, thus extensive commercial applications are obtained in portable electronics, such as mobile phone, panel computer, portable video camera
And similar miniaturized electronics.
In lithium polymer battery battery core manufacturing process, Battery formation is of paramount importance operation, in prior art, battery
The processing step of chemical conversion generally has：（1）Toast before cell activation；（2）Cell activation；（3）Battery Over-The-Counter preliminary filling；（4）Under battery
Cabinet upper fixture is toasted；However, above-mentioned processing step is to carry out on different devices, and need seriatim to enter battery back and forth
Luggage is unloaded, thus, not only labor intensive, and cause the decline of production efficiency.
The content of the invention
In view of this, disappearance of the present invention for prior art presence, its main purpose are to provide a kind of lighium polymer electricity
Pond high temperature chemical synthesis technology, which existing Battery formation technique labor intensive of effectively solving can cause the problem of low production efficiency.
For achieving the above object, the present invention is using such as purgation technical scheme：
A kind of lithium polymer battery high temperature chemical synthesis technology, includes following steps：
（1）Press from both sides on battery：Lithium polymer battery is put on the special fixture in pressure baking machine, the pressure baking machine
Operational factor by computer controls, special fixture includes bracing frame and drives cylinder body, and the driving cylinder body is arranged at support
Folded in the top of frame, the bracing frame up and down and be provided with multiple laminates, multipair lug clip is provided with each laminate, per a pair of poles
It is connected in series between ear clip, lithium polymer battery is placed on laminate, and the lug of lithium polymer battery is by corresponding
Lug clip is clamped；
（2）Cell activation：Opening pressure baking machine, special fixture switch on power so that each lithium polymer battery is concatenated
Activated together, meanwhile, by the temperature control in pressure baking machine at 50 DEG C, 30%, soak time is the control of humidity RH
12-18h；
（3）Battery preliminary filling：First, computer controls 0.05C constant-current charge 2h, then, computer controls are permanent with 0.1C
Current charge 4h；
（4）Battery compression：Deenergization, is compressed to each laminate by computer controls driving cylinder body running so that
Each lithium polymer battery thickness reduces 0.1mm；
（5）Battery is toasted：Temperature in pressure baking machine is increased to 85 DEG C and lithium polymer battery is entered by computer controls
Row baking, baking time is 6h, after baking is finished, lithium polymer battery is removed from special fixture.
Used as a kind of preferred version, each laminate includes substrate and the placement plate being arranged on substrate, and lithium gathers
Compound battery is positioned on placement plate, and is folded with silicone rubber heating sheet between placement plate and substrate.
As a kind of preferred version, the silicone rubber heating sheet include lectrothermal alloy wire, heat sensing layer, copper alloy holding wire with
And heat-resistant resin layer, the heat sensing layer is coated on outside lectrothermal alloy wire, and the copper alloy holding wire is wound on outside heat sensing layer, the heat stable resin
Layer is coated on outside copper alloy holding wire.
Used as a kind of preferred version, the heat sensing layer is nylon heat sensing layer.
Used as a kind of preferred version, the driving cylinder body is cylinder.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
By adopting special fixture, and coordinate each lug clip and be connected in series, when lithium polymer battery is loaded onto, respectively
Individual lithium polymer battery is cascaded so that the operation such as cell activation, battery preliminary filling, battery compression and battery baking
Carry out on the special fixture in pressure baking machine, without the need for loading and unloading battery one by one back and forth, to reduce artificial consuming, effectively increase
Production efficiency, realizing carries out just to complete with high-quality chemical conversion operation, and an equipment to lithium polymer battery at a high speed
Multiple flow charts, instead of tradition by the way of multiple devices, effectively save equipment investment, be that manufacturing enterprise brings
Bigger economic benefit.
More clearly to illustrate the architectural feature and effect of the present invention, come to this with specific embodiment below in conjunction with the accompanying drawings
It is bright to be described in detail.
Description of the drawings
Fig. 1 is the process flow diagram of the preferred embodiments of the invention；
Fig. 2 is the axonometric chart of pressure baking machine in the preferred embodiments of the invention；
Fig. 3 is the schematic perspective view of special fixture in the preferred embodiments of the invention；
Fig. 4 is the enlarged diagram of the laminate of special fixture in the preferred embodiments of the invention；
Fig. 5 is the enlarged diagram of lug clip in the preferred embodiments of the invention.
Accompanying drawing identifier declaration：
10th, lithium polymer battery 20, special fixture
21st, bracing frame 22, driving cylinder body
23rd, laminate 231, substrate
232nd, plate 24, lug clip are placed
100th, pressure baking machine.
Specific embodiment
Refer to shown in Fig. 1 to Fig. 5, the present invention discloses a kind of lithium polymer battery high temperature chemical synthesis technology, includes following
Step：
（1）Press from both sides on battery：Lithium polymer battery 10 is put in pressure baking machine 100 special fixture 20, the pressure
The operational factor of power baking machine 100 is by computer（Do not show in figure）Control, as shown in Figures 2 and 3, the special fixture 20 is included
Bracing frame 21 and driving cylinder body 22, the driving cylinder body 22 are arranged at the top of bracing frame 21, in the present embodiment, the driving cylinder
Body 22 is cylinder, can also be hydraulic cylinder certainly, not to be limited, fold up and down and be provided with multiple laminates 23, each layer in the bracing frame 21
Multipair lug clip 24 is provided with plate 23, is connected in series between every a pair of lugs clip 24, lithium polymer battery
10 are placed on laminate 23, and the lug of lithium polymer battery 10 is clamped by corresponding lug clip 24, as shown in figure 5, the lug
Clip 24 is four-wire method lug clip, can quickly realize installation and the concatenation of each lithium polymer battery
（2）Cell activation：Opening pressure baking machine 100, special fixture 20 switch on power so that each lithium polymer battery
10 are serially connected is activated, meanwhile, by temperature control in pressure baking machine 100 at 50 DEG C, the control of humidity RH is 30%, living
The change time is 12-18h.
（3）Battery preliminary filling：First, computer controls 0.05C constant-current charge 2h, then, computer controls are permanent with 0.1C
Current charge 4h.
（4）Battery compression：Deenergization, drives cylinder body 22 to work by computer controls and each laminate 23 is compressed,
So that 10 thickness of each lithium polymer battery reduces 0.1mm.
（5）Battery is toasted：Temperature in pressure baking machine 100 is increased to 85 DEG C to lithium polymer battery by computer controls
10 are toasted, and baking time is 6h, after baking is finished, lithium polymer battery 10 are removed from special fixture 20.
In addition, in the present embodiment, the placement that each laminate 23 includes substrate 231 and is arranged on substrate 231
Plate 232, aforementioned lug clip 24 are arranged on substrate 231, and lithium polymer battery 10 is positioned on placement plate 232, and places plate
Silicone rubber heating sheet is folded between 232 and substrate 231（Do not show in figure）, also, the silicone rubber heating sheet include lectrothermal alloy wire,
Heat sensing layer, copper alloy holding wire and heat-resistant resin layer, lectrothermal alloy wire is wrapped flexible flexible, and the heat sensing layer is coated on electric heating
Outside B alloy wire, the heat sensing layer can be wound on outside heat sensing layer for nylon heat sensing layer or special plastic heat sensing layer, the copper alloy holding wire, should
Heat-resistant resin layer is coated on outside copper alloy holding wire.In above-mentioned steps（2）And step（5）In can coordinate using silicone rubber heating sheet pair
Lithium polymer battery 10 is heated, when the temperature of silicone rubber heating sheet any point exceedes predetermined value, the corresponding heating wire of point
On heat sensing layer good conductor is changed into from insulator, connect control circuit, silicone rubber heating sheet power-off reaches temperature control and security protection
Purpose.Meanwhile, using silicone rubber heating sheet is provided with, the special fixture 20 in the present embodiment is capable of achieving on each laminate 23 individually
Heated, and individually controlled, had independent temp controlled meter, temperature more uniform and efficient energy-saving.
The present invention design focal point be：By adopting special fixture, and coordinate each lug clip and be connected in series, when
When lithium polymer battery is loaded onto, each lithium polymer battery is cascaded so that cell activation, battery preliminary filling, battery compression
And the operation such as battery baking can be carried out on the special fixture in pressure baking machine, without the need for loading and unloading battery one by one back and forth, with
Artificial consuming is reduced, production efficiency is effectively increased, realizing carries out making with high-quality chemical conversion to lithium polymer battery at a high speed
Industry, an and equipment just can complete multiple flow charts, instead of tradition by the way of multiple devices, effectively save
Equipment investment, is that manufacturing enterprise brings bigger economic benefit.
The above, is only presently preferred embodiments of the present invention, and not the technical scope of the present invention is imposed any restrictions,
Therefore any trickle amendment, equivalent variations and the modification made to above example by every technical spirit according to the present invention, still
Belong in the range of technical solution of the present invention.
Claims (5)
1. a kind of lithium polymer battery high temperature chemical synthesis technology, it is characterised in that：Include following steps：
（1）Press from both sides on battery：Lithium polymer battery is put on the special fixture in pressure baking machine, the fortune of the pressure baking machine
By computer controls, special fixture includes bracing frame and drives cylinder body, the driving cylinder body to be arranged at bracing frame line parameter
Folded in top, the bracing frame up and down and be provided with multiple laminates, on each laminate, be provided with multipair lug clip, every a pair of lugs folder
It is connected in series between son, lithium polymer battery is placed on laminate, the lug of lithium polymer battery is by corresponding lug
Clip is clamped；
（2）Cell activation：Opening pressure baking machine, special fixture switch on power so that each lithium polymer battery is serially connected in one
Rise and activated, meanwhile, by the temperature control in pressure baking machine at 50 DEG C, humidity RH is controlled 30%, and soak time is 12-
18h；
（3）Battery preliminary filling：First, computer controls 0.05C constant-current charge 2h, then, computer controls are filled with 0.1C constant currents
Electric 4h；
（4）Battery compression：Deenergization, is compressed to each laminate by computer controls driving cylinder body running so that each lithium
Polymer battery thickness reduces 0.1mm；
（5）Battery is toasted：Temperature in pressure baking machine is increased to 85 DEG C and lithium polymer battery is dried by computer controls
Roasting, baking time is 6h, after baking is finished, lithium polymer battery is removed from special fixture.
2. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 1, it is characterised in that：Each laminate
Substrate and the placement plate being arranged on substrate are included, lithium polymer battery is positioned on placement plate, and places plate and substrate
Between be folded with silicone rubber heating sheet.
3. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 2, it is characterised in that：The silicone rubber heating
Piece includes lectrothermal alloy wire, heat sensing layer, copper alloy holding wire and heat-resistant resin layer, and the heat sensing layer is coated on lectrothermal alloy wire
Outward, the copper alloy holding wire is wound on outside heat sensing layer, and the heat-resistant resin layer is coated on outside copper alloy holding wire.
4. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 3, it is characterised in that：The heat sensing layer is
Nylon heat sensing layer.
5. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 1, it is characterised in that：The driving cylinder body
For cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731056.4A CN104538675B (en) | 2014-12-05 | 2014-12-05 | Lithium polymer battery high temperature formation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731056.4A CN104538675B (en) | 2014-12-05 | 2014-12-05 | Lithium polymer battery high temperature formation technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104538675A CN104538675A (en) | 2015-04-22 |
| CN104538675B true CN104538675B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410731056.4A Active CN104538675B (en) | 2014-12-05 | 2014-12-05 | Lithium polymer battery high temperature formation technology |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299483A (en) * | 2016-10-14 | 2017-01-04 | 四川赛尔雷新能源科技有限公司 | A kind of poly-lithium battery naked battery core forming and capacity dividing process |
| CN110068770A (en) * | 2018-01-19 | 2019-07-30 | 神讯电脑(昆山)有限公司 | Cell activation voltage check device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996657A (en) * | 2006-01-06 | 2007-07-11 | 深圳市雄韬电源科技有限公司 | Formation method for the seal of the lithium ion battery |
| CN102651481A (en) * | 2012-04-20 | 2012-08-29 | 丁振荣 | Multi-process integrated device for lithium battery |
| CN103227342A (en) * | 2013-03-26 | 2013-07-31 | 东莞市德瑞精密设备有限公司 | Clamping machine |
| CN203367438U (en) * | 2013-05-07 | 2013-12-25 | 孟祥辉 | Flexible package polymer lithium ion battery formation clamp |
-
2014
- 2014-12-05 CN CN201410731056.4A patent/CN104538675B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996657A (en) * | 2006-01-06 | 2007-07-11 | 深圳市雄韬电源科技有限公司 | Formation method for the seal of the lithium ion battery |
| CN102651481A (en) * | 2012-04-20 | 2012-08-29 | 丁振荣 | Multi-process integrated device for lithium battery |
| CN103227342A (en) * | 2013-03-26 | 2013-07-31 | 东莞市德瑞精密设备有限公司 | Clamping machine |
| CN203367438U (en) * | 2013-05-07 | 2013-12-25 | 孟祥辉 | Flexible package polymer lithium ion battery formation clamp |
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| Publication number | Publication date |
|---|---|
| CN104538675A (en) | 2015-04-22 |
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Effective date of registration: 20180928 Address after: 442300 Jintong Ling Industrial Park, Zhuxi, Hubei Patentee after: HUBEI LILAI TECHNOLOGY CO., LTD. Address before: 523000 A building, 7 Julong Road, Shigu Town, Tangxia Town, Dongguan, Guangdong. Patentee before: Dongguan Powercom Battery Co., Ltd. |