CN202549998U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN202549998U CN202549998U CN2012201789660U CN201220178966U CN202549998U CN 202549998 U CN202549998 U CN 202549998U CN 2012201789660 U CN2012201789660 U CN 2012201789660U CN 201220178966 U CN201220178966 U CN 201220178966U CN 202549998 U CN202549998 U CN 202549998U
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- lithium ion
- ion battery
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- end cap
- plate
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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
Abstract
The utility model discloses a lithium ion battery which is in a cylinder shape. The lithium ion battery comprises a cylindrical shell, wherein an anode end cover and a cathode end cover are respectively arranged on two ends of the cylinder. The lithium ion battery further comprises an anode pole post and a cathode pole post, wherein an anode current collecting panel is arranged in the space between the anode end cover and a core shaft. The anode current collecting panel is connected with the anode end cover through an anode pole ear. A cathode current collecting panel is arranged in the space between the cathode end cover and the core shaft. The cathode current collecting panel is connected with the cathode end cover through a cathode pole ear. A rolling slot is arranged in a position of the cylindrical shell where the anode pole ear and the cathode pole ear are located. The rolling slot encircles the cylinder. The lithium ion battery adopts the cylindrical metal shell, and rolling slots are respectively arranged on two ends of the shell. A battery core coiling body arranged inside the battery is effectively fixed by a concave portion of each rolling slot, and therefore inner space of the battery is increased, integral performance of the battery is improved and service life of the battery is prolonged to 5-15 years.
Description
Technical field
The utility model relates to the new forms of energy technical field of chemical power relevant with storage station, in particular for the big capacity cylindrical lithium electronic cell technology that the energy storage and the power of wind energy and solar energy are used, refers in particular to a kind of lithium ion battery.
Background technology
Along with the fast development of wind energy, solar energy, the electric energy of its generation is because stable inadequately, and easy electrical network is produced impacted; Therefore set up corresponding storage station gesture and must go again, therefore want the high big capacity lithium ion battery of reliability to be used for energy storage, produce with storage wind energy, sun the subject of knowledge and the object of knowledge; Storage station is very high to the requirement of battery; Such as high reliability and long life etc., advantage such as big capacity column lithium ion battery has high-energy-density, and manufacturing process is simple.
The paper tinsel body of the position end face of big capacity column lithium ion battery lug needs to weld together with utmost point stream plate, so that the electric current of battery is exported from collector plate, the paper tinsel body of the position end face of lug is because thin thickness is soft; Yielding, if when welding with collector plate, exerting pressure to make whole paper tinsel body become curved or distortion; Cause columniform lug position end face diameter to become big or evagination, electric core winding can not go into thus shell or and shell between conducting and short circuit, and the end face of paper tinsel body again of directly exerting pressure; Because face deformation out-of-flatness; Can cause with the collector plate bonding area for a short time, weld strength is low, so the paper tinsel body shaping of lug position end face is necessary.
It is all modes of slot rolling not of an end slot rolling or two ends that existing cylindrical battery adopts shell usually; One end slot rolling or two ends all not slot rolling following deficiency is all arranged; Do not adopt organic sealing ring mechanical extruding type to seal between an end end cap of slot rolling and the housing, to compare reliability on the low side with laser welding sealing, and mechanical extruding type seals metallic walls with housing and wraps in after through bending several times and realize on organic sealing ring that machinery seals; But because long-time the use, machinery seals the little leakage phenomenon of easy appearance.
The utility model content
The technical problem that the utility model mainly solves provides a kind of long service life, battery capacious.For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of lithium ion battery is provided, and said lithium ion battery is a cylinder, comprises cylindrical shell; Said cylindrical two ends are provided with anode end cap and negative pole end cap; Said anode end cap, negative pole end cap cover the port at said cylinder two ends, and cylindrical centre is provided with the mandrel of battery, and the periphery of said mandrel is surrounded with electrical core coiling body; Said lithium ion battery also comprises Positive Poles, negative pole pole, and said Positive Poles is positioned at the centre of anode end cap, and the negative pole pole is positioned in the middle of the negative pole end cap; Be provided with the anode collection plate in the space between anode end cap and the mandrel, said anode collection plate is connected with said anode end cap through positive pole ear; Be provided with the negative pole currect collecting plate in the space between said negative pole end cap and the mandrel, said negative pole currect collecting plate is connected with said negative pole end cap through negative lug; The position that said cylindrical shell is positioned at said positive pole ear and negative lug is provided with slot rolling, and said slot rolling is around said one week of cylinder.
Concrete, the groove depth of said slot rolling is between the 0.1-5mm.
Further, said electrical core coiling body comprises positive plate, negative plate and barrier film; Said positive pole ear be positive plate and membrane coil around the time, positive plate is the position end face that forms of the edge of coating not; Said negative lug be negative plate and membrane coil around the time, negative plate is the position end face that forms of the edge of coating not.
The material that plastifies for moment in the 0.1-2mm scope of the position end face of said positive pole ear and negative lug.
Concrete, said positive plate comprises active material, plus plate current-collecting body and binding agent; Said negative plate comprises active material, negative current collector and binding agent.
In certain improved technical scheme, said Positive Poles and anode end cap, negative pole pole and negative pole end cap adopt the sealing ring sealing.
Concrete, said sealing ring is the solubility teflin ring.
In certain embodiment, the diameter of the cylinder of said lithium ion battery is 65mm, highly is 280mm, and the battery capacity of said lithium ion battery is 60mA/h.
In certain embodiment, the diameter of the cylinder of said lithium ion battery is 65mm, highly is 160mm, and the battery capacity of said lithium ion battery is 30mA/h.
The beneficial effect of the utility model: the described lithium ion battery of the utility model, this battery adopts columniform shell, at the two ends of shell slot rolling is set; The purpose of slot rolling compared with prior art is not to seal for mechanical; But with the inner electrical core coiling body of the effective self-contained battery of the female parts of slot rolling, thereby increase the inside battery space, reduce the built-in electrical insulation stator and fill; The inside battery space increases the reservoir quantity that can improve electrolyte; Reduce laser welding produces when sealing high temperature suitable the bad risk to electric in-core portion coiling body barrier film, the increase in inside battery space can reduce the interior pressure of inside battery, the fail safe of increase battery; Help the connection of the lug between collector plate and the positive and negative terminals simultaneously; Thereby help the output of the big electric current of battery, the overall performance of battery is improved, and can extend to 5 to 15 years the useful life of battery.
Description of drawings
Fig. 1 is the structural representation of the lithium ion battery of the utility model embodiment;
Fig. 2 is the structural representation that the series connection of the lithium ion battery of the utility model embodiment is used;
Fig. 3 is the structural representation of the electrical core coiling body of the lithium ion battery of the utility model embodiment when not reeling;
Fig. 4 is the structural representation after the electrical core coiling body of the lithium ion battery of the utility model embodiment is reeled;
Fig. 5 is the structural representation of the lug position end face after the electrical core coiling body of the lithium ion battery of the utility model embodiment is reeled;
Fig. 6 is the structural representation of positive plate of the lithium ion battery of the utility model embodiment;
Fig. 7 is the structural representation of negative plate of the lithium ion battery of the utility model embodiment.
Label declaration:
Shell 1 electrical core coiling body 2 mandrels 3 negative pole currect collecting plates 4 slot rollings 5
Negative pole end cap 6 negative pole poles 7 negative lug 8 insulation cushions 9 positive pole ears 10
Positive Poles 11 steel balls 12 anode end caps 13 anode collection plates 14 barrier films 15
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
See also Fig. 1, the structural representation of a kind of lithium ion battery of the utility model, lithium ion battery shown in the figure are cylinder; Comprise cylindrical shell 1, said cylindrical two ends are provided with anode end cap 13 and negative pole end cap 6, and said anode end cap 13, negative pole end cap 6 cover the port at said cylinder two ends; Cylindrical centre is provided with the mandrel 3 of battery, and the periphery of said mandrel 3 is surrounded with electrical core coiling body 2, consults accompanying drawing 3 and accompanying drawing 4; Said electrical core coiling body 2 comprises positive plate 17, negative plate 16 and barrier film 15; The shape of said positive plate and negative plate is consulted accompanying drawing 6 and accompanying drawing 7, and said lithium ion battery also comprises Positive Poles 11, negative pole pole 7, and said Positive Poles 11 is positioned at the centre of anode end cap 13; Negative pole pole 7 is positioned at negative pole end cap 6, centre; Be provided with anode collection plate 14 in the space between anode end cap 13 and the mandrel 3, said anode collection plate 14 is connected with said anode end cap 13 through positive pole ear 10; Be provided with negative pole currect collecting plate 4 in the space between said negative pole end cap 6 and the mandrel 3, said negative pole currect collecting plate 4 is connected with said negative pole end cap 6 through negative lug; The position that said cylindrical shell 1 is positioned at said positive pole ear 10 and negative lug is provided with slot rolling 5, and said slot rolling 5 is around said one week of cylinder.
Concrete, the groove depth of said slot rolling 5 is between the 0.1-5mm, wherein 3mm is best design size.Described lithium ion battery an end of cylindrical shell 1 slot rolling 5 in advance, is put into electrical core coiling body 2 during fabrication then, and its other end is processed slot rolling 5 and formed and all have the structure of the lithium ion battery of slot rolling 5 like the described two ends of Fig. 1 again.This uses aluminum alloy casing 1 structure of novel employing two ends slot rolling 5, and effectively the fixing internal electric core winding is carried, and increases the inside battery space; Reduce the filling of insulating trip, improve the reservoir quantity of electrolyte, reduce the risk of the high temperature of laser welding when sealing the damage of the barrier film 15 of electrical core coiling body 2; Reduce in the inside battery and press; Increase the fail safe of battery, help the connection of the lug between collector plate and the output pole, thereby help big electric current output; Improved the overall performance of battery, the useful life that prolongs battery is to more than the 5-15.
Consult accompanying drawing 5, when the positive pole ear 10 of described lithium ion battery was positive plate 17 and barrier film 15 coilings, positive plate 17 is the position end face of the edge formation of coating not; When said negative lug was negative plate 16 and barrier film 15 coilings, negative plate 16 is the position end face of the edge formation of coating not.Said positive plate 17 can adopt aluminum foil material; Negative plate 16 adopts copper foil material, and the structure of said positive pole ear 10 and negative lug is equal to electrical core coiling body 2 columniform bottom surfaces; Because the very thin thickness and the softness of aluminium foil, Copper Foil; Paper tinsel body to the section of the positive pole ear 10 of the electrical core coiling body 2 of inside lithium ion cell and negative lug in the plate technique scheme carries out shaping, uses high-power ultrasonic lug position end face 18 is carried out the higher-order of oscillation, softening; And exert pressure; Paper tinsel body in the scope of said positive pole ear 10 and the 0.1-2mm of negative lug position end face can be plastified by moment, and softening makes the material that becomes the moment plasticizing in the 0.1-2mm scope of positive pole ear 10 and the position end face of negative lug.Descend greatly in higher-order of oscillation moment paper tinsel body rigidity; Mutual mat between paper tinsel body and the paper tinsel body; And be compressed, the paper tinsel body of the position end face of positive pole ear 10 and negative lug is compressed respectively and is reduced to 1.5mm, i.e. and the overall height of coiling body minimizing is about 3mm.Consult accompanying drawing 5; The weight density of paper tinsel body strengthens in the structural representation of said lug position end face, unit volume, and lug position end face 18 is rubbed flat simultaneously; The rigidity that is compressed the paper tinsel body of position end face increases greatly; Laid firm base for next step lug position end face 18 and the laser welding of collector plate, positive pole ear 10 and the position end face of negative lug and the laser welding effective area of collector plate are strengthened, weld strength improves.
See also Fig. 1, described lithium ion battery comprises cylinder blanket 1, electrical core coiling body 2, anode collection plate 14, negative pole currect collecting plate 4, positive pole ear 10, negative lug, Positive Poles 11, negative pole pole 7, anode end cap 13 and negative pole end cap 6, and the shell 1 of battery is an aluminium alloy; Adopting laser welding between the shell 1 of battery and anode end cap 13, the negative pole end cap 6 is one, and Positive Poles 11 is an aluminium alloy, and negative pole pole 7 is copper nickel plating; Anode collection plate 14 is an aluminium alloy, and negative pole currect collecting plate 4 is copper nickel plating, and anode collection plate 14 is provided with 4 holes with negative pole currect collecting plate 4; Inflow for electrolyte; Anode collection plate 14 and positive pole ear 10 laser welding together, positive pole ear 10 is an aluminium alloy, the another side of positive pole ear 10 welds with anode end cap 13 mutually; Thus with Positive Poles 11 conductings; Negative pole currect collecting plate 4 and negative lug laser welding together, the other end of negative lug and negative pole pole 7 laser welding together, the electric core winding of the shell 1 of battery is put forward employing ultrasonic wave higher-order of oscillation squeezing shaping technology and is carried out shaping; The paper tinsel body of the position end face of lug is compressed and dwindles 1.5mm; The paper tinsel body of the position end face of lug tangles each other, forms " face knot ", and the rigidity of the paper tinsel body of the position end face of lug increases greatly; Electrical core coiling body 2 comprises positive plate 17, negative plate 16 and barrier film 15, and said positive plate 17 comprises active material, plus plate current-collecting body and binding agent; Concrete; Said positive plate 17 active materials are that LiFePO 4, cobalt acid lithium, LiMn2O4, cobalt nickel oxide manganses lithium, lithium manganese phosphate, iron manganese phosphate for lithium, manganese silicate of lithium, said plus plate current-collecting body are aluminium foil, and said binding agent is Arabic gum, modification polyethylene glycol oxide, Kynoar, styrene butadiene rubber latex or carboxymethyl cellulose.Said negative plate 16 comprises active material, negative current collector and binding agent, and negative electrode active material is mixture, carbonaceous mesophase spherules, metallic tin, silicon or the lithium titanate of Delanium, native graphite, Delanium and native graphite.Said binding agent is Arabic gum, modification polyethylene glycol oxide, Kynoar, styrene butadiene rubber latex or carboxymethyl cellulose or polyene nitrile LA132, LA133 series; Said barrier film 15 is polypropylene, polyethylene, three layers of compound micro-pore septum 15 of polypropylene, monolayer polyethylene micro-pore septum 15 or polyimides micro-pore septum 15; The polytetrafluoroethylene micro-pore septum is just listed more than 15 and is lifted the some of them execution mode, the goal of the invention that adopts positive plate 17 that other material constitutes or negative plate 16 can realize the utility model equally.The Positive Poles 11 of battery is provided with liquid injection port, and fluid injection seals with 12 pairs of liquid injection port of steel ball after accomplishing.Inject electrolyte through described liquid injection port to cylinder inside; Said electrolyte comprises solvent, solubility lithium salts and additive; Said solvent is ethylene carbonate, methyl ethyl carbonate, propene carbonate, dimethyl carbonate, diethyl carbonate, carbonic acid first propyl ester or ethyl acetate; Said solubility lithium salts is lithium hexafluoro phosphate, di-oxalate lithium borate or imines lithium salts, and said additive is propane sultone, vinylene carbonate, fluorocarbons acid esters, ethylene sulfite, HMDS or triphenyl phosphite.
Said Positive Poles 11 adopts the sealing ring sealing with anode end cap 13, negative pole pole 7 with negative pole end cap 6, and said sealing ring is the solubility teflin ring.The soluble poly tetrafluoroethene directly is cast on the hole wall of anode end cap 13 top and bottom and centre; Therefore the upper-lower seal circle is real is one; Negative pole pole 7 adopts with Positive Poles 11 same modes and seals, and promptly Positive Poles 11 is integrated with negative pole end cap 6 with anode end cap 13, negative pole pole 7, and so battery container is neutral; Not with voltage, battery container not can with the negative or positive electrode conducting.
In the optimized technical scheme of the utility model; Said anode collection plate 14 and positive pole ear 10; Negative pole currect collecting plate 4 is provided with insulation cushion 9 with negative lug 8 contacted one sides, and the method for using that be applied as in prior art comparison convention of insulation cushion 9 in battery just do not given unnecessary details at this.
In a kind of execution mode of the utility model, the diameter of the cylinder of said lithium ion battery is 65mm, highly is 280mm; The battery capacity of said lithium ion battery is 60mA/h, and said battery can highly be adjusted its battery capacity through changing it, thereby satisfies the needs of practical use; Total at a kind of improved technical scheme Huang; The diameter of the cylinder of said lithium ion battery is 65mm, highly is 160mm, and the battery capacity of said lithium ion battery is 30mA/h.
In the middle of the process that reality is used, can be with to use of connecting each other of aforesaid lithium ion battery, concrete method for using adopts nut and nickel-clad copper brace to connect each other lithium ion battery referring to accompanying drawing 2, and the application nut is fixed.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (9)
1. lithium ion battery; It is characterized in that: said lithium ion battery is a cylinder; Comprise cylindrical shell, said cylindrical two ends are provided with anode end cap and negative pole end cap, and said anode end cap, negative pole end cap cover the port at said cylinder two ends; Cylindrical centre is provided with the mandrel of battery, and the periphery of said mandrel is surrounded with electrical core coiling body;
Said lithium ion battery also comprises Positive Poles, negative pole pole, and said Positive Poles is positioned at the centre of anode end cap, and the negative pole pole is positioned in the middle of the negative pole end cap; Be provided with the anode collection plate in the space between anode end cap and the mandrel, said anode collection plate is connected with said anode end cap through positive pole ear; Be provided with the negative pole currect collecting plate in the space between said negative pole end cap and the mandrel, said negative pole currect collecting plate is connected with said negative pole end cap through negative lug;
The position that said cylindrical shell is positioned at said positive pole ear and negative lug is provided with slot rolling, and said slot rolling is around said one week of cylinder.
2. lithium ion battery according to claim 1 is characterized in that: the groove depth of said slot rolling is between the 0.1-5mm.
3. lithium ion battery according to claim 1 is characterized in that:
Said electrical core coiling body comprises positive plate, negative plate and barrier film;
Said positive pole ear be positive plate and membrane coil around the time, positive plate is the position end face that forms of the edge of coating not;
Said negative lug be negative plate and membrane coil around the time, negative plate is the position end face that forms of the edge of coating not.
4. lithium ion battery according to claim 3 is characterized in that: the material that plastifies for moment in the 0.1-2mm scope of the position end face of said positive pole ear and negative lug.
5. according to claim 1 or 3 described lithium ion batteries, it is characterized in that: said positive plate comprises active material, plus plate current-collecting body and binding agent;
Said negative plate comprises active material, negative current collector and binding agent.
6. lithium ion battery according to claim 1 is characterized in that: said Positive Poles and anode end cap, negative pole pole and negative pole end cap adopt the sealing ring sealing.
7. lithium ion battery according to claim 1 is characterized in that: said sealing ring is the solubility teflin ring.
8. lithium ion battery according to claim 1 is characterized in that: the diameter of the cylinder of said lithium ion battery is 65mm, highly is 280mm, and the battery capacity of said lithium ion battery is 60mA/h.
9. lithium ion battery according to claim 1 is characterized in that: the diameter of the cylinder of said lithium ion battery is 65mm, highly is 160mm, and the battery capacity of said lithium ion battery is 30mA/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201789660U CN202549998U (en) | 2012-04-24 | 2012-04-24 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201789660U CN202549998U (en) | 2012-04-24 | 2012-04-24 | Lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN202549998U true CN202549998U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201789660U Expired - Fee Related CN202549998U (en) | 2012-04-24 | 2012-04-24 | Lithium ion battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811013A (en) * | 2016-04-01 | 2016-07-27 | 秦皇岛市芯驰光电科技有限公司 | High-rate anti-explosion lithium battery structure and fixing method for battery cell and steel shell |
| CN106099018A (en) * | 2016-07-25 | 2016-11-09 | 长兴三通能源科技有限公司 | Lithium battery |
| CN106099205A (en) * | 2016-07-25 | 2016-11-09 | 长兴三通能源科技有限公司 | A kind of lithium battery |
| CN114300734A (en) * | 2022-01-08 | 2022-04-08 | 江苏耐驰新能源科技有限公司 | Cylindrical lithium battery structure and manufacturing method thereof |
| CN114868304A (en) * | 2020-01-23 | 2022-08-05 | 株式会社村田制作所 | Secondary battery, electronic device, and electric power tool |
-
2012
- 2012-04-24 CN CN2012201789660U patent/CN202549998U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811013A (en) * | 2016-04-01 | 2016-07-27 | 秦皇岛市芯驰光电科技有限公司 | High-rate anti-explosion lithium battery structure and fixing method for battery cell and steel shell |
| CN106099018A (en) * | 2016-07-25 | 2016-11-09 | 长兴三通能源科技有限公司 | Lithium battery |
| CN106099205A (en) * | 2016-07-25 | 2016-11-09 | 长兴三通能源科技有限公司 | A kind of lithium battery |
| CN114868304A (en) * | 2020-01-23 | 2022-08-05 | 株式会社村田制作所 | Secondary battery, electronic device, and electric power tool |
| CN114300734A (en) * | 2022-01-08 | 2022-04-08 | 江苏耐驰新能源科技有限公司 | Cylindrical lithium battery structure and manufacturing method thereof |
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Free format text: FORMER OWNER: ZHANG GUIPING Effective date: 20130528 Owner name: SHILIAN CHANGYI HUAIAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG PANYI Effective date: 20130528 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 518053 SHENZHEN, GUANGDONG PROVINCE TO: 223112 HUAIAN, JIANGSU PROVINCE |
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Effective date of registration: 20130528 Address after: 223112, No. 8 Union Road, salt chemical new district, Huaian economic and Technological Development Zone, Huaian, Jiangsu Patentee after: Shilian Changyi Huaian Technology Co., Ltd. Address before: 518053 Shenzhen, Guangdong, Shahe, Hui Wen Lou,, 18G Patentee before: Zhang Panyi Patentee before: Zhang Guiping |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20160424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |