CN104538675A - Lithium polymer battery high temperature formation technology - Google Patents
Lithium polymer battery high temperature formation technology Download PDFInfo
- Publication number
- CN104538675A CN104538675A CN201410731056.4A CN201410731056A CN104538675A CN 104538675 A CN104538675 A CN 104538675A CN 201410731056 A CN201410731056 A CN 201410731056A CN 104538675 A CN104538675 A CN 104538675A
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- China
- Prior art keywords
- battery
- lithium polymer
- polymer battery
- high temperature
- sensing layer
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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, refer in particular to a kind of lithium polymer battery high temperature chemical synthesis technology.
Background technology
Lithium polymer battery is owing to having many advantages, such as high volume energy density and gravimetric energy density, low self-discharge rate, thus obtains commercial applications widely in portable electronics, 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, and in prior art, the processing step of Battery formation has usually: baking before (1) cell activation; (2) cell activation; (3) battery Over-The-Counter preliminary filling; (4) fixture baking cashier's office in a shop under battery; But above-mentioned processing step carries out on different devices, and need to load and unload battery seriatim back and forth, so, not only labor intensive, and the decline causing production efficiency.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of lithium polymer battery high temperature chemical synthesis technology, and it effectively can solve existing Battery formation technique labor intensive and the problem causing production efficiency low.
For achieving the above object, the present invention adopts following technical scheme:
A kind of lithium polymer battery high temperature chemical synthesis technology, includes following steps:
(1) battery presss from both sides: lithium polymer battery is put on the special fixture in pressure baking machine, the operational factor of this pressure baking machine is by computer control, special fixture includes bracing frame and drives cylinder body, this driving cylinder body is arranged at the top of bracing frame, fold up and down in this bracing frame and be provided with multiple laminate, each laminate is provided with multipair lug clip, be connected in series between every a pair lug clip, lithium polymer battery is placed on laminate, and the lug of lithium polymer battery is clamped by the lug clip of correspondence;
(2) cell activation: opening pressure baking machine, special fixture switches on power, and each lithium polymer battery is serially connected and activates, and meanwhile, the temperature in pressure baking machine controlled at 50 DEG C, humidity RH controls 30%, and soak time is 12-18H;
(3) battery preliminary filling: first, computer control 0.05C constant current charge 2H, then, computer control 0.1C constant current charge 4H;
(4) battery compression: deenergization, is compressed each laminate by computer control driving cylinder body running, makes each lithium polymer battery thickness reduce 0.1mm;
(5) battery baking: the temperature in pressure baking machine is increased to 85 DEG C and toasts lithium polymer battery by computer control, and baking time is 6H, after baking, is taken off by lithium polymer battery from special fixture.
As a kind of preferred version, each laminate described includes substrate and is arranged at the placement plate on substrate, and lithium polymer battery is positioned over to be placed on plate, and is folded with silicone rubber heating sheet between placement plate and substrate.
As a kind of preferred version, described silicone rubber heating sheet includes lectrothermal alloy wire, heat sensing layer, copper alloy holding wire and heat-resistant resin layer, this heat sensing layer is coated on outside lectrothermal alloy wire, and this copper alloy holding wire is around outside heat sensing layer, and this heat-resistant resin layer is coated on outside copper alloy holding wire.
As a kind of preferred version, described heat sensing layer is nylon heat sensing layer or special plastic heat sensing layer.
As a kind of preferred version, described driving cylinder body is cylinder.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
By adopting special fixture, and coordinate each lug clip and be connected in series, when lithium polymer battery is loaded onto, each lithium polymer battery is cascaded, make cell activation, battery preliminary filling, the operations such as battery compression and battery baking all can the special fixture in pressure baking machine be carried out, without the need to loading and unloading battery one by one back and forth, manually expend to reduce, effectively improve production efficiency, achieve and high speed is carried out to lithium polymer battery and high-qualityly changes into operation, and an equipment just can complete multiple flow chart, instead of the mode adopting multiple devices of tradition, effectively save equipment investment, for manufacturing enterprise brings larger economic benefit.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the preferred embodiment of the present invention;
Fig. 2 is the stereogram of pressure baking machine in the preferred embodiment of the present invention;
Fig. 3 is the schematic perspective view of special fixture in the preferred embodiment of the present invention;
Fig. 4 is the enlarged diagram of the laminate of special fixture in the preferred embodiment of the present invention;
Fig. 5 is the enlarged diagram of lug clip in the preferred embodiment of the present invention.
Accompanying drawing identifier declaration:
10, lithium polymer battery 20, special fixture
21, bracing frame 22, driving cylinder body
23, laminate 231, substrate
232, plate 24, lug clip is placed
100, pressure baking machine.
Embodiment
Please 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 steps:
(1) battery presss from both sides: lithium polymer battery 10 is put on the special fixture 20 of in pressure baking machine 100, the operational factor of this pressure baking machine 100 is controlled by computer (not shown), as shown in Figures 2 and 3, this special fixture 20 includes bracing frame 21 and drives cylinder body 22, this driving cylinder body 22 is arranged at the top of bracing frame 21, in the present embodiment, this driving cylinder body 22 is cylinder, certainly also can be hydraulic cylinder, not to be limited, fold up and down in this bracing frame 21 and be provided with multiple laminate 23, each laminate 23 is provided with multipair lug clip 24, be connected in series between every a pair lug clip 24, lithium polymer battery 10 is placed on laminate 23, the lug of lithium polymer battery 10 is clamped by the lug clip 24 of correspondence, as shown in Figure 5, this lug clip 24 is four-wire method lug clip, installation and the serial connection of each lithium polymer battery can be realized fast
(2) cell activation: opening pressure baking machine 100, special fixture 20 switches on power, and each lithium polymer battery 10 is serially connected and activates, simultaneously, control at 50 DEG C by temperature in pressure baking machine 100, humidity RH controls 30%, and soak time is 12-18H.
(3) battery preliminary filling: first, computer control 0.05C constant current charge 2H, then, computer control 0.1C constant current charge 4H.
(4) battery compression: deenergization, drives cylinder body 22 to work by computer control and to compress each laminate 23, make each lithium polymer battery 10 thickness reduce 0.1mm.
(5) battery baking: the temperature in pressure baking machine 100 is increased to 85 DEG C and toasts lithium polymer battery 10 by computer control, and baking time is 6H, after baking, is taken off by lithium polymer battery 10 from special fixture 20.
In addition, in the present embodiment, this each laminate 23 includes substrate 231 and is arranged at the placement plate 232 on substrate 231, aforementioned lug clip 24 is arranged on substrate 231, lithium polymer battery 10 is positioned over to be placed on plate 232, and be folded with silicone rubber heating sheet (not shown) between placement plate 232 and substrate 231, and, this silicone rubber heating sheet includes lectrothermal alloy wire, heat sensing layer, copper alloy holding wire and heat-resistant resin layer, lectrothermal alloy wire is wrapped pliable and tough flexible, this heat sensing layer is coated on outside lectrothermal alloy wire, this heat sensing layer can be nylon heat sensing layer or special plastic heat sensing layer, this copper alloy holding wire is around outside heat sensing layer, this heat-resistant resin layer is coated on outside copper alloy holding wire.Can coordinate in above-mentioned steps (2) and step (5) utilizes silicone rubber heating sheet to heat lithium polymer battery 10, when the temperature of silicone rubber heating sheet any point exceedes predetermined value, heat sensing layer on the corresponding heating wire of this point becomes good conductor from insulator, control circuit is connected, silicone rubber heating sheet power-off, reaches the object of temperature control and security protection.Meanwhile, utilize and be provided with silicone rubber heating sheet, the special fixture 20 in the present embodiment can realize each laminate 23 heats separately, and controls separately, has independently temp controlled meter, and temperature more evenly and efficient energy-saving.
Design focal point of the present invention is: by adopting special fixture, and coordinate each lug clip and be connected in series, when lithium polymer battery is loaded onto, each lithium polymer battery is cascaded, make cell activation, battery preliminary filling, the operations such as battery compression and battery baking all can the special fixture in pressure baking machine be carried out, without the need to loading and unloading battery one by one back and forth, manually expend to reduce, effectively improve production efficiency, achieve and high speed is carried out to lithium polymer battery and high-qualityly changes into operation, and an equipment just can complete multiple flow chart, instead of the mode adopting multiple devices of tradition, effectively save equipment investment, for manufacturing enterprise brings larger economic benefit.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a lithium polymer battery high temperature chemical synthesis technology, is characterized in that: include following steps:
(1) battery presss from both sides: lithium polymer battery is put on the special fixture in pressure baking machine, the operational factor of this pressure baking machine is by computer control, special fixture includes bracing frame and drives cylinder body, this driving cylinder body is arranged at the top of bracing frame, fold up and down in this bracing frame and be provided with multiple laminate, each laminate is provided with multipair lug clip, be connected in series between every a pair lug clip, lithium polymer battery is placed on laminate, and the lug of lithium polymer battery is clamped by the lug clip of correspondence;
(2) cell activation: opening pressure baking machine, special fixture switches on power, and each lithium polymer battery is serially connected and activates, and meanwhile, the temperature in pressure baking machine controlled at 50 DEG C, humidity RH controls 30%, and soak time is 12-18H;
(3) battery preliminary filling: first, computer control 0.05C constant current charge 2H, then, computer control 0.1C constant current charge 4H;
(4) battery compression: deenergization, is compressed each laminate by computer control driving cylinder body running, makes each lithium polymer battery thickness reduce 0.1mm;
(5) battery baking: the temperature in pressure baking machine is increased to 85 DEG C and toasts lithium polymer battery by computer control, and baking time is 6H, after baking, is taken off by lithium polymer battery from special fixture.
2. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 1, it is characterized in that: each laminate described includes substrate and is arranged at the placement plate on substrate, lithium polymer battery is positioned over to be placed on plate, and is folded with silicone rubber heating sheet between placement plate and substrate.
3. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 2, it is characterized in that: described silicone rubber heating sheet includes lectrothermal alloy wire, heat sensing layer, copper alloy holding wire and heat-resistant resin layer, this heat sensing layer is coated on outside lectrothermal alloy wire, this copper alloy holding wire is around outside heat sensing layer, and this 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, is characterized in that: described heat sensing layer is nylon heat sensing layer or special plastic heat sensing layer.
5. a kind of lithium polymer battery high temperature chemical synthesis technology according to claim 1, is characterized in that: described driving cylinder body is 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 |
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| Publication Number | Publication Date |
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| CN104538675A true CN104538675A (en) | 2015-04-22 |
| CN104538675B CN104538675B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410731056.4A Active CN104538675B (en) | 2014-12-05 | 2014-12-05 | Lithium polymer battery high temperature formation technology |
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Cited By (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN104538675B (en) | 2017-04-19 |
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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. |