CN103078144A - Device for improving reliability of lithium ion battery and use method of device - Google Patents
Device for improving reliability of lithium ion battery and use method of device Download PDFInfo
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- CN103078144A CN103078144A CN2013100275902A CN201310027590A CN103078144A CN 103078144 A CN103078144 A CN 103078144A CN 2013100275902 A CN2013100275902 A CN 2013100275902A CN 201310027590 A CN201310027590 A CN 201310027590A CN 103078144 A CN103078144 A CN 103078144A
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- lithium ion
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- ion battery
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- 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
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- 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
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Abstract
The invention discloses a device for improving reliability of a lithium ion battery, and a use method of the device. An exposed battery cell protection plate (1) comprises an upper layer sheet (8) and a lower layer sheet (9), wherein bolt holes (7) are formed in the upper layer sheet (8) and the lower layer sheet (9); first holes (6) and handles (3) are formed in and arranged on the exposed battery cell protection plate (1); a protection film (2) is clamped between the upper layer sheet (8) and the lower layer sheet (9); a second hole (10) is formed in the middle of the protection film (2); a plurality of notches (11) are formed around the second hole (10) to divide the protection film into a plurality of pieces (12); a location plate (4) is arranged at one end of the lower layer sheet (9); and movable modules (5) bulged inwards slightly are arranged on the two opposite sides of the lower layer sheet (9). According to the device and the use method, as an exposed battery cell is mounted in a hard housing body, the exposed battery cell can be effectively prevented from being scratched by a hard housing opening to result in a short circuit of the battery when the exposed battery cell enters a housing, and the reliability of the lithium ion battery is improved significantly.
Description
Technical field
The present invention relates to a kind of device that improves the lithium ion battery reliability, the invention still further relates to the using method that this improves the device of lithium ion battery reliability.
Background technology
Lithium rechargeable battery is as a kind of environmental protection battery, have the advantages such as operating voltage height, specific energy is high and have extended cycle life, obtained in recent years developing rapidly, the application in the mobile devices such as notebook computer, digital camera, mobile phone, MP3, MP4, electric bicycle, battery-operated motor cycle, electric automobile is more and more extensive.Along with the continuous expansion of range of application, and the monomer capacity of battery is more and more higher, and the security performance of lithium rechargeable battery is had higher requirement.
At present, in the production process of lithium ion duricrust battery, naked battery core by sharp faucal inwall scratch, causes the positive/negative plate short circuit easily when packing naked battery core into housing, existing technical merit is difficult to the battery core of inwall scratch is all chosen, and causes the excellent rate of serious potential safety hazard and product to reduce.And avoid into the abrasive method of shell 1 with the mode of naked battery core side encapsulate) cause the waste of adhesive tape; 2) undesirable for the larger battery core production efficiency of battery volume; 3) the rubberizing width that also increased naked battery core causes energy content of battery density not high.For above situation, be necessary to design a kind of convenient and practical preventing when lithium ion battery with hard shell from entering shell naked battery core improved the excellent rate of reliability, fail safe and product of battery by the device of scratch.
Summary of the invention
The first technical problem to be solved by this invention provides a kind ofly can protect when packing naked battery core into the duricrust housing the thin and sharp faucal inwall can the naked battery core of scratch and so that battery core short circuit or have the device that improves the lithium ion battery reliability of short circuit hidden danger.
The second technical problem to be solved by this invention provides the using method that this improves the device of lithium ion battery reliability.
In order to solve above-mentioned first technical problem, the device that improves the lithium ion battery reliability provided by the invention, naked battery core baffle is comprised of upper strata thin plate and lower floor's thin plate, have the corresponding bolt hole that both are fitted closely and are fixed together on described upper strata thin plate and the lower floor thin plate, the first hole that has on the described naked battery core baffle corresponding to duricrust faucal size conveniently enters the handle of extracting out behind the shell with being provided with from the battery core housing, hold diaphragm at described upper strata thin plate and lower floor's thin plate therebetween, have in the middle of the described diaphragm the second hole and described the second hole around on have some breach described diaphragm be divided into some parts of fritters; End at described lower floor thin plate is provided with placement plate, and a side of the close battery case of described placement plate is arcwall face or plane, and two relative sides of described lower floor thin plate are equipped with the active module of inside dimpling.
Described upper strata thin plate and described lower floor gauge of sheet are 2mm～10mm.
The material of described upper strata thin plate and described lower floor thin plate is PP plate, PE plate, PVC plate, PET plate or silica gel plate.
The material of described diaphragm is PA66 nylon, PP, PE, PET or PVC, and the thickness of described diaphragm is 20 μ m～2.0mm.
Described placement plate material is PP plate, PE plate, PVC plate or PET plate.
The material of described active module is PP plate, PE plate, PVC plate or PET plate.
In order to solve above-mentioned second technical problem, the using method of improving the device of lithium ion battery reliability provided by the invention, described diaphragm correspondence is inserted between described lower floor thin plate and the described upper strata thin plate, and fixes to clamp by bolt hole with bolt; One holds described placement plate; battery case is opening up; between two described active modules, put into; near described placement plate; firmly hold described active module and push down duricrust it must not be moved with hand is little again; the another hand unclamps described active module after arresting naked battery core is tucked into requirement from described first hole of described naked battery core baffle the degree of depth; left hand pinches described battery core shell, and the right hand is held described handle will install pulling out and get final product gently from a side.
The present invention compared with prior art has the following advantages: the present invention is reasonable in design, simple in structure, utilize thin slice to cover the sharp part of duricrust battery case faucal, abrade the problem that naked battery core causes battery short circuit because of shell wall when having avoided naked battery core to enter shell, reduced the risk that safety problem appears in battery, improved the battery core reliability and produced excellent rate.The present invention is reasonable in design, and is simple in structure, stable work in work, reliable, and the probability of the generation of reduction defective products operates also more convenient.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is scheme of installation of the present invention.
Fig. 3 is naked battery core diaphragm floor map of the present invention.
Fig. 4 is for using this to install the enforcement schematic diagram that naked battery core enters shell.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of device that improves the lithium ion battery reliability, naked battery core baffle 1 is comprised of upper strata thin plate 8 and lower floor's thin plate 9, the thickness of upper strata thin plate 8 and lower floor's thin plate 9 is 2mm～10mm, material is the PP plate, the PE plate, the PVC plate, PET plate or silica gel plate, have the corresponding bolt hole 7 that both are fitted closely and are fixed together on upper strata thin plate 8 and the lower floor thin plate 9, the first hole 6 that has on the naked battery core baffle 1 corresponding to duricrust faucal size conveniently enters the handle 3 of extracting out behind the shell with being provided with from the battery core housing, hold diaphragm 2 at upper strata thin plate 8 and lower floor's thin plate 9 therebetween, have in the middle of the diaphragm 2 the second hole 10 and the second hole 10 around on have some breach 11 diaphragm 2 be divided into some parts of fritters 12, the material of diaphragm 2 is PA66 nylon, PP, PE, PET or PVC, the thickness of diaphragm 2 are 20 μ m～2.0mm; End at lower floor's thin plate 9 is provided with placement plate 4, one side of the close battery case of placement plate 4 is arcwall face or plane, placement plate 4 materials are PP plate, PE plate, PVC plate or PET plate, two relative sides of lower floor's thin plate 9 are equipped with the active module 5 of inside dimpling, inwardly pushed down fixation when entering shell, the material of active module 5 is PP plate, PE plate, PVC plate or PET plate.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, this using method of improving the device of lithium ion battery reliability is: diaphragm 2 correspondences are inserted between lower floor's thin plate 9 and the upper strata thin plate 8, and fix to clamp by bolt hole 7 with bolt; Left hand is held placement plate 4; battery case 13 is opening up; between two active modules 5, put into; near placement plate 4; push down duricrust it must not be moved with the little active module 5 of firmly holding of left hand again; the right hand unclamps active module 5 after arresting naked battery core 14 is tucked into requirement from the first hole 6 of naked battery core baffle 1 the degree of depth, and left hand pinches battery core shell 13, and the right hand is held handle 3 will install pulling out and get final product gently from a side.
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1:
With 523450(thickness 5.2mm, width 34mm, length 50mm) the fillet aluminum-shell battery is example, shell is aluminum hull, wall thickness 0.27mm, thickness direction fillet radian is 120 °; Cell positive material adopts LiCoO
2, negative pole adopts Delanium, through the both positive and negative polarity batching, and coating, film-making is reeled and is produced naked battery core, has used the device that improves the lithium ion battery reliability when naked battery core enters shell, and then through encapsulation, fluid injection changes into, and the operations such as partial volume are produced the finished product battery.The made device that improves the lithium ion battery reliability, its naked battery core baffle 1 material is PP, thickness is 2.5mm.Placement plate 4 materials are PP, and the Width radian is 120 °; The material of diaphragm 2 is PA66 nylon, and thickness is 25 μ m, length 40mm, and width 10mm opens 6 breach 11.Made diaphragm 2 correspondences are inserted in lower floor's thin plate 9 and the upper strata thin plate 8, and fix to clamp with bolt.
After use improved the device of lithium ion battery reliability, the excellent rate of shell operation that enters in the 523450AR battery production process was promoted to 99.6% by 95.2%.
Embodiment 2:
With 2770150PS(thickness 27mm, width 70mm, length 150mm) right angle plastic housing battery is example, shell is plastic housing, wall thickness 1.2mm; Cell positive material adopts LiFePO
4, negative pole adopts Delanium, through the both positive and negative polarity batching, and coating, film-making is reeled and is produced naked battery core, has used the device that improves the lithium ion battery reliability when naked battery core enters shell, and then through encapsulation, fluid injection changes into, and the operations such as partial volume are produced the finished product battery.The made device that improves the lithium ion battery reliability, its naked battery core baffle 1 material is PET, thickness is 9mm.The material of placement plate 4 is PE, and Width is a plane; The material of diaphragm 2 is PE, and thickness is 1.9mm, length 90mm, and width 40mm opens 8 breach 11.Made diaphragm 2 correspondences are inserted in lower floor's thin plate 9 and the upper strata thin plate 8, and fix to clamp with bolt.
After use improved the device of lithium ion battery reliability, the excellent rate of shell operation that enters in the 2770150PS battery production process was promoted to 98.3% by 94.1%.
Embodiment 3:
With 704058ST(thickness 7.0mm, width 40mm, length 58mm) the steel square housing battery is example, shell is box hat, wall thickness 0.6mm; Cell positive material adopts Li
2MnO
4, negative pole adopts native graphite, through the both positive and negative polarity batching, and coating, film-making is reeled and is produced naked battery core, has used the device that improves the lithium ion battery reliability when naked battery core enters shell, and then through encapsulation, fluid injection changes into, and the operations such as partial volume are produced the finished product battery.The made device that improves the lithium ion battery reliability, its naked battery core baffle 1 material is PVC, thickness is 3mm.The material of placement plate 4 is PET, and Width is a plane; The material of diaphragm 2 is PE, and thickness is 0.9mm, length 60mm, and width 10mm opens 4 breach 11.Made diaphragm 2 correspondences are inserted in lower floor's thin plate 9 and the upper strata thin plate 8, and fix to clamp with bolt.
After use improved the device of lithium ion battery reliability, the excellent rate of shell operation that enters in the 704058ST battery production process was promoted to 99.4% by 96.2%.
Explanation is at last, above embodiment is that preferred implementation of the present invention is only unrestricted in order to technical scheme of the present invention to be described, other modification that those of ordinary skills make technical scheme of the present invention or be equal to replacement, only otherwise break away under the prerequisite of technical solution of the present invention design, all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. device that improves the lithium ion battery reliability, it is characterized in that: naked battery core baffle (1) is comprised of upper strata thin plate (8) and lower floor's thin plate (9), have the corresponding bolt hole (7) that both are fitted closely and are fixed together on described upper strata thin plate (8) and the lower floor's thin plate (9), have corresponding to first hole (6) of duricrust faucal size on the described naked battery core baffle (1) and be provided with and conveniently enter the handle (3) of from the battery core housing, extracting out behind the shell, hold diaphragm (2) at described upper strata thin plate (8) and lower floor's thin plate (9) therebetween, have in the middle of the described diaphragm (2) the second hole (10) and described the second hole (10) around on have some breach (11) described diaphragm (2) be divided into some parts of fritters (12); End at described lower floor thin plate (9) is provided with placement plate (4), one side of the close battery case of described placement plate (4) is arcwall face or plane, and two relative sides of described lower floor thin plate (9) are equipped with the active module (5) of inside dimpling.
2. the device that improves the lithium ion battery reliability according to claim 1, it is characterized in that: the thickness of described upper strata thin plate (8) and described lower floor thin plate (9) is 2mm～10mm.
3. the device that improves the lithium ion battery reliability according to claim 1 and 2, it is characterized in that: the material of described upper strata thin plate (8) and described lower floor thin plate (9) is PP plate, PE plate, PVC plate, PET plate or silica gel plate.
4. the device that improves the lithium ion battery reliability according to claim 1 and 2, it is characterized in that: the material of described diaphragm (2) is PA66 nylon, PP, PE, PET or PVC, the thickness of described diaphragm (2) is 20 μ m～2.0mm.
5. the device that improves the lithium ion battery reliability according to claim 1 and 2, it is characterized in that: the material of described placement plate (4) is PP plate, PE plate, PVC plate or PET plate.
6. the device that improves the lithium ion battery reliability according to claim 1 and 2, it is characterized in that: the material of described active module (5) is PP plate, PE plate, PVC plate or PET plate.
7. right to use requires the 1 described using method of improving the device of lithium ion battery reliability, it is characterized in that: described diaphragm (2) correspondence is inserted between described lower floor thin plate (9) and the described upper strata thin plate (8), and fixes to clamp by bolt hole (7) with bolt; One holds described placement plate (4); battery case (13) is opening up; between two described active modules (5), put into; near described placement plate (4); push down duricrust it must not be moved with the little described active module (5) of firmly holding of hand again; the another hand unclamps described active module (5) after arresting naked battery core (14) is tucked into requirement from described first hole (6) of described naked battery core baffle (1) the degree of depth; left hand pinches described battery core shell (13), and the right hand is held described handle (3) will install pulling out and get final product gently from a side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310027590.2A CN103078144B (en) | 2013-01-24 | 2013-01-24 | Device for improving reliability of lithium ion battery and use method of device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310027590.2A CN103078144B (en) | 2013-01-24 | 2013-01-24 | Device for improving reliability of lithium ion battery and use method of device |
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| Publication Number | Publication Date |
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| CN103078144A true CN103078144A (en) | 2013-05-01 |
| CN103078144B CN103078144B (en) | 2014-11-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2862351Y (en) * | 2005-12-06 | 2007-01-24 | 比亚迪股份有限公司 | Battery casing clamp |
| CN2865022Y (en) * | 2006-01-19 | 2007-01-31 | 深圳市比克电池有限公司 | Battery electric core package device |
| CN200941400Y (en) * | 2006-08-22 | 2007-08-29 | 比亚迪股份有限公司 | Casing of battery |
| CN101399360A (en) * | 2007-09-28 | 2009-04-01 | 深圳市比克电池有限公司 | Electric core package clip |
-
2013
- 2013-01-24 CN CN201310027590.2A patent/CN103078144B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2862351Y (en) * | 2005-12-06 | 2007-01-24 | 比亚迪股份有限公司 | Battery casing clamp |
| CN2865022Y (en) * | 2006-01-19 | 2007-01-31 | 深圳市比克电池有限公司 | Battery electric core package device |
| CN200941400Y (en) * | 2006-08-22 | 2007-08-29 | 比亚迪股份有限公司 | Casing of battery |
| CN101399360A (en) * | 2007-09-28 | 2009-04-01 | 深圳市比克电池有限公司 | Electric core package clip |
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| Publication number | Publication date |
|---|---|
| CN103078144B (en) | 2014-11-05 |
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Owner name: HUNAN GAOYUAN BATTERY CO., LTD. Free format text: FORMER NAME: ZHUZHOU GAOYUAN BATTERY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 412007 No. 1700, Taishan Road, Tianyuan District, Hunan, Zhuzhou Patentee after: Hunan Gaoyuan Battery Co., Ltd. Address before: 45 412007 zone, chestnut rain Industrial Park, hi tech Development Zone, Hunan, Zhuzhou Patentee before: Zhuzhou Gaoyuan Battery Co., Ltd. |