CN201191622Y - Plastic case lithium ionic cell - Google Patents
Plastic case lithium ionic cell Download PDFInfo
- Publication number
- CN201191622Y CN201191622Y CNU200820300657XU CN200820300657U CN201191622Y CN 201191622 Y CN201191622 Y CN 201191622Y CN U200820300657X U CNU200820300657X U CN U200820300657XU CN 200820300657 U CN200820300657 U CN 200820300657U CN 201191622 Y CN201191622 Y CN 201191622Y
- Authority
- CN
- China
- Prior art keywords
- layer
- hole
- pole
- lithium ion
- protective layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a novel plastic casing lithium ion cell, which belongs to the technical field of lithium ion cells. The plastic casing cell comprises a cell core body and a casing body, wherein a positive pole rod and a negative pole rod are arranged on the casing body. The utility model is characterized in that the casing body comprises a corrosion-resisting layer which is arranged in the inner layer, a protective layer which is arranged on the outer layer and a metal isolated layer which is arranged between the corrosion-resisting layer and the protective layer. The novel plastic casing lithium ion cell adopts a special cell structure, which increases the sealing effect of a plastic casing body, and proves a small-volume plastic casing cell which has the advantages of security, reliability, low cost and easy getting for lithium ion cell filed, and can replace the existing metal casing cells.
Description
Technical field
The utility model relates to a kind of novel plastic housing lithium ion battery, belongs to technical field of lithium ion.
Technical background
Because lithium ion battery energy density height, the life-span is long, volume is little, pollution-free, be widely used in motor vehicle, space flight and aviation, communication apparatus and all kinds of portable electronics, be optimal portable power source.At present, the lithium ion battery on the market mainly contains three types:
One, the lithium ion battery of metal shell is mainly based on Stainless Steel Shell and aluminum enclosure.The battery of these two kinds of metal shells has occupied the overwhelming majority in lithium ion battery market.The advantage of the lithium ion battery of this metal shell, be to be assembled into battery after air-tightness comparatively reliable; Shell has certain mechanical strength, can bear suitable mechanical shock; And the heat dispersion excellence of metal shell.But because this inside battery structure is too compact, wait some abuse condition, can cause electric core bulging if in use be short-circuited, even generation battery explosion, because housing is a metal object, battery explosion is equivalent to bomblet, and the user is caused great personal safety.
Two, adopt the lithium ion battery of clad aluminum plastic film as external packing.The battery of this employing clad aluminum plastic film packing, its security performance has had very big improvement than the metal shell battery, and specific energy is from significant lifting.But the anti-zoned property of aluminum plastic film is poor, easily is scratched at the effect aluminum plastic film of external force, causes cell damage, and aluminum plastic film loses protective effect.
Three, the plastic shell lithium ion battery of injection mo(u)lding, i.e. so-called " electric battery with plastic case ".Because plastics are cheap and easy to get, are convenient to moulding again, it has remedied the deficiency of above two kinds of battery packaging materials, and beginning is as a kind of comparatively novel lithium ion battery packaging material.But, because and plastics self characteristics decision, existing electric battery with plastic case mould thickness of the shell more than 10mm, just can prevent battery gas leakage, leakage, so in order to guarantee its useful life and security performance, existing electric battery with plastic case has only the bigger rectangular cell of volume.And for the small size battery, particularly cylindrical battery of all kinds of portable electronics, adopt plastic housing to know from experience and cause ion battery gas leakage, leakage, can't satisfy useful life and security performance, can only adopt metal shell.
The utility model content
It is good that technical problem to be solved in the utility model provides a kind of air-tightness, can substitute the small size plastic casing battery of existing metal shell battery.
The technical solution of the utility model:
Comprise the airtight housing of plastic production and be arranged on battery core body in the housing; housing comprises lower house and upper cover plate; Positive Poles and negative pole pole fixedly install on the housing; the positive pole ear of battery core body and negative lug are electrically connected with Positive Poles and negative pole pole respectively, it is characterized in that: lower house comprise the anti-corrosion layer that is in the innermost layer, be in outermost protective layer and be arranged at anti-corrosion layer and protective layer between metallic spacer.
In order to guarantee the air-tightness of battery, protective layer, anti-corrosion layer and metallic spacer layer cooperate closely, and preferred scheme is: metallic spacer closely is wrapped in the anti-corrosion layer outer surface, seals with the epoxy resin adhesive curing between protective layer and metallic spacer.Described epoxide-resin glue is meant: epoxy resin E44 and corresponding curing agent (polyamine fat, PUR etc.).
Wherein, Positive Poles is arranged on the upper cover plate of housing, and the negative pole pole can be arranged on housing bottom or the upper cover plate.Upper cover plate can adopt PP or the injection mo(u)lding of PET material, and thickness 2-2.5mm also is provided with liquid injection hole, vacuumizes the hole.
Further, the anti-corrosion layer of lower house is by corrosion resistant engineering plastics injection mo(u)lding, and protective layer is by the engineering plastics injection mo(u)lding of anti-pressure and abrasion-proof, and the bottom of lower house is provided with through hole, and the embedded with metal inserts is the negative pole pole in the housing bottom through hole.
The battery core body of the utility model plastic casing battery is a lithium ion battery battery core body commonly used, by positive and negative electrode pole piece and membrane coil around forming.In order to prevent that lug from running into the battery core body and being short-circuited in assembling process, the utility model electric battery with plastic case also comprises insulating trip, and negative lug is passed insulating trip and is connected with the negative pole pole, and positive pole ear passes insulating trip and is connected with Positive Poles.Insulating trip is to have to pass for the both positive and negative polarity lug of battery core body, and prevents the thin slice in the slit that lug contacts with core body, and thickness can be 0.5～1mm, and material is PP, non-conductive polymer materials such as PE.Those skilled in the art can design the structure of insulating trip according to the effect of insulating trip arbitrarily, such as can be designed as shown in Figure 5, the lug of battery core body passes from the seam on the insulating trip limit, be welded on the positive and negative pole with ultrasonic bonding machine again, avoided lug in assembling process, to run into the situation that the battery core body is short-circuited.
Further, the anti-corrosion layer of housing innermost layer is corrosion resistant engineering plastics (as PP or the PET etc.) injection mo(u)lding of 0.5～1mm by thickness, top standard-sized sheet mouth and the outer is outwards arranged, and the bottom has the through hole of diameter 4～5mm to pass for battery core body negative lug.The intermediate layer is the thick metallic spacers (as aluminium foil) of 10～20 μ m, and major function is to intercept gas, liquid, prevents battery gas leakage leakage.Outermost protective layer is engineering plastics (as ABS or the SBS etc.) injection mo(u)lding of the anti-pressure and abrasion-proof of 0.5～1mm by thickness, and the through hole of diameter 4～5mm is arranged at top standard-sized sheet mouth bottom; The through hole of anti-corrosion layer bottom communicates with the through hole of protective layer bottom, and it is interior as the negative pole pole that the metal insert of diameter 910mm, thickness 0.3～0.5mm is embedded in the through hole of bottom of anti-corrosion layer or protective layer.
Further, the anti-corrosion layer of internal layer is than outer field protection floor height 1.0-1.5mm, and the outer of anti-corrosion layer upper, open end cooperates with protective layer accurately; The edge designs of metal insert is that zigzag and housing closely cooperate as the negative pole pole.
The shape of plastic casing can be cylindrical, polygon prism shapes such as (being polygons such as square, rectangle, hexagon as the cross section) as required.
The beneficial effects of the utility model:
The utility model has adopted unique battery structure and corresponding battery manufacture craft system, has strengthened the sealing effectiveness of plastic casing, saves cost in security performance that guarantees battery and discharge performance; Adopt the mode of the mode of ultrasonic waves welding as cell cover plate and plastic casing sealing, can satisfy under the bubble-tight prerequisite of housing, guarantee the precision of battery size to greatest extent, the small size plastic casing battery of preparation can substitute existing metal shell battery.The utility model battery not only can satisfy common discharge requirement, also can satisfy the required high-multiplying power discharge requirements of type cell such as electric tool.
Description of drawings
Fig. 1 is the cutaway view of electric battery with plastic case, and wherein 1 is upper cover plate, the 2nd, and Positive Poles, the 3rd, liquid injection hole, the 4th, vacuumize the hole; 5 look insulating trip, and the 6th, anti-corrosion layer, the 7th, protective layer, the 8th, metallic spacer layer; the 9th, negative pole pole, the 10th, battery core body, the 11st, positive pole ear, the 12nd, negative lug.
Fig. 2 is the upper cover plate cutaway view.
Fig. 3 is the lower house cutaway view of electric battery with plastic case.
Fig. 4 is the housing cutaway view of electric battery with plastic case.
Fig. 5 is a kind of insulating trip schematic diagram.
Embodiment
Particularly; a kind of scheme of the utility model plastic casing battery; its profile is seen Fig. 1; comprise the airtight housing of plastic production and be arranged on battery core body in the housing; housing comprises lower house and upper cover plate 1; Positive Poles 2 and negative pole pole 9 fixedly install on the housing; the positive pole ear 11 of battery core body and negative lug 12 are electrically connected with Positive Poles 2 and negative pole pole 9 respectively, it is characterized in that: lower house comprise the anti-corrosion layer 6 that is in the innermost layer, be in the protective layer of outermost layer 7 and be arranged at anti-corrosion layer and protective layer between metallic spacer 8.Be provided with the through hole suitable at housing bottom with battery core body negative lug 12, be inlaid with metal insert in the through hole as negative pole pole 9, negative lug 12 is connected with negative pole pole (metal insert) 9, upper cover plate 1 is provided with Positive Poles 2, liquid injection hole 3, vacuumizes hole 4, and positive pole ear 11 is connected with Positive Poles 2.
Further, between protective layer 7 and middle aluminium foil layer 8, seal, and seal with the epoxy resin adhesive curing at whole housing bottom with the epoxy resin adhesive curing; In addition, adopt the ultrasonic bonding mode to weld upper cover plate 1 and anti-corrosion layer 6 and protective layer 7 are welded as a whole, can effectively guarantee the air-tightness of electric battery with plastic case.
Further, the thickness of anti-corrosion layer 6 is 0.5～1mm, is by corrosion resistant engineering plastics injection mo(u)lding, top standard-sized sheet mouth, and the bottom has the through hole of diameter 4～5mm to pass for battery core body negative lug; The intermediate layer is the thick metallic spacers 8 of 10～20 μ m; The thickness of outermost layer protective layer 7 is 0.5～1mm, is the engineering plastics injection mo(u)lding by anti-pressure and abrasion-proof, top standard-sized sheet mouth, and the bottom has the through hole of diameter 4～5mm to communicate with the through hole of anti-corrosion layer 6 bottoms; The metal insert of diameter 9-10mm, thickness 0.3～0.5mm is embedded in anti-corrosion layer 6 or protective layer 7 bottom through-holes, and exposed portions is connected with electrical appliance as external negative pole pole.
In order to guarantee the air-tightness of battery, protective layer, anti-corrosion layer and metallic spacer layer cooperate closely, preferred scheme be anti-corrosion layer 6 than protective layer 7 high 1.0-1.5mm, and the outer of anti-corrosion layer 6 upper, open end cooperates with protective layer 7 accurately; In addition, metallic spacer 8 closely is wrapped in anti-corrosion layer 6 outer surfaces, is sealed into an integral body with the epoxy resin adhesive curing between protective layer 7 and the metallic spacer 8, thereby reaches the purpose of water proof trapping.The edge designs of metal insert is that zigzag and housing closely cooperate, and as negative pole pole 9, intensity and air-tightness between the shell of increase metal insert and injection mo(u)lding intercept gas, liquid thereby reach, and prevent the purpose of battery gas leakage leakage.
The shape of plastic casing according to actual needs with the design of electrical appliance, can be cylindrical or polygon prism such as chewing gum formula.
One of preparation method of the utility model electric battery with plastic case housing:
1. be injection molded into anti-corrosion layer 6 by corrosion resistant engineering plastics such as PP or PET, thickness 0.5～1, top standard-sized sheet mouth and the outer is outwards arranged, the bottom has the through hole of diameter 4～5mm to pass for battery core body negative lug;
Be injection molded into protective layer 7 by wear-resisting resistance to compression engineering plastic materials such as ABS, top standard-sized sheet mouth, the through hole of diameter 4～5mm is arranged at the bottom, and through hole is embedded with diameter 9-10mm, and the metal insert of the round thin slice of thickness 0.3～0.5mm is connected with electrical appliance as the external negative pole of battery; Can with the edge designs of metal insert zigzag, intensity and air-tightness between the shell of increase metal insert and injection mo(u)lding;
By the PP of thickness 2-2.5mm, antifriction resistance to compression engineering plastics such as PET are injection molded into the upper cover plate that has Positive Poles, liquid injection hole, vacuumizes the hole.
2. with anode pole piece, cathode pole piece and membrane coil coiled cylindrical battery core body, the lug at battery core body two ends passes insulating trip, put into anti-corrosion layer 6, negative lug is passed its bottom through-hole, metallic spacer layer (aluminium foil layer) with thickness 10～20 μ m, be wrapped in inner layer outer surface, and embed in the protective layer 7;
3. battery core body negative lug is by metal insert 9 welding of conventional resistance spot welding welding manner and protective layer 7 bottom-exposed; Can between shell and middle aluminium foil layer, seal, and seal with the epoxy resin adhesive curing at whole housing bottom with the epoxy resin adhesive curing;
4. positive pole ear is welded on the metal pole of upper cover plate 1, on the Positive Poles 2; And upper cover plate and anti-corrosion layer 6 and protective layer 7 be welded as a whole; For precision and the intensity that improves welding, make simultaneously and outside batteries pattern better appearance can adopt the ultrasonic bonding mode to weld;
5. vacuum oven fully after, fluid injection changes into, behind the sealing liquid injection hole promptly.
The preparation method's of the utility model electric battery with plastic case housing two:
1. by PP, corrosion resistant engineering plastics such as PET are injection molded into the square inner housing, it is anti-corrosion layer 6, thickness 0.5～1mm, top standard-sized sheet mouth and the outer is outwards arranged, the through hole of diameter 4～5mm is arranged at the bottom, is inlaid with diameter 9-10mm in the through hole, and the metal insert 9 of the round thin slice of thickness 0.3～0.5mm is external negative pole;
Engineering plastics by anti-pressure and abrasion-proofs such as ABS are injection molded into the square shell body, and promptly protective layer 7, top standard-sized sheet mouth, and the through hole coupling of through hole and the anti-corrosion layer 6 of diameter 4～5mm is arranged at the bottom;
Be injection molded into the upper cover plate that has Positive Poles, liquid injection hole, vacuumizes the hole by wear-resisting resistance to compression engineering plastics;
2. with anode pole piece, cathode pole piece and membrane coil coiled cylindrical battery core body, the lug at battery core body two ends passes insulating trip, puts into inner housing, the metal insert welding at negative lug and square shell body bottom through-hole place;
3. the aluminium foil layer with thickness 10～20 μ m is wrapped in anti-corrosion layer 6 outer surfaces, and embeds in the shell body, and metal insert (9) and shell body bottom through-hole coupling are as the external negative pole of battery;
4. positive pole ear is welded on the Positive Poles 2 of upper cover plate 1; And upper cover plate and inner housing and shell body be welded as a whole;
5. vacuum oven fully after, fluid injection changes into, behind the sealing liquid injection hole promptly.
Below be specific embodiment, those skilled in the art can prepare other electric battery with plastic case of national standard size according to the thinking of following examples.
The preparation of embodiment 1 the utility model electric battery with plastic case
With national standard battery size 18650 is example, and the concrete preparation method of the utility model electric battery with plastic case is as follows:
1, being injection molded into thickness by the ABS material is 1mm, top standard-sized sheet mouth, and diameter is arranged at the bottom is the cylinder blanket of the through hole of 9-10mm, and inlays the nickel metal insert of diameter 9-10mm at shell, nickel metal insert and outer casing bottom through hole closely cooperate; External diameter Φ 18mm, height 62.5mm.
Being injection molded into thickness by the PP material is 0.5mm, upper opening and have 0.5mm the outer, the cylindrical inner casing of diameter 4-5mm through hole is arranged at the bottom; External diameter φ 17mm or φ 25mm, height 62.5mm.
Be injection molded into the upper cover plate that has Positive Poles, liquid injection hole, vacuumizes the hole by the PET material;
2, with anode pole piece, cathode pole piece and membrane coil coiled cylindrical battery core body, the lug at battery core body two ends passes insulating trip, puts into inner casing, and negative lug is passed its bottom through-hole;
3, the aluminium foil layer with thickness 12 μ m closely is wrapped in the inner casing outer surface, then it is embedded in the shell, and adopts the electric resistance welding mode to weld the nickel metal insert of negative lug and outer casing bottom; And between aluminium foil layer and shell and housing bottom be cured sealing with epoxide-resin glue (epoxy resin E44 and corresponding curing agent);
4, positive pole ear is welded on the metal pole of upper cover plate;
5, adopting the ultrasonic bonding mode to weld is welded as a whole upper cover plate and inner casing and shell.
6, vacuum oven fully after, fluid injection is tested after the sealing.
The performance test of the utility model electric battery with plastic case
Test result is as follows:
1, battery change into the loop test process in, do not produce gas, sealing part does not have damaged vestige.
2, actual capacity has reached design capacity substantially.
3, multiplying power discharging property:
5C: discharge time 12～12.6min,
10C: discharge time～6min,
15C: discharge time: 3.1～3.9min.
4, rate charge-discharge performance test:
Table 1
5, high power charging-discharging capacity loop test.
Carry out the capacity loop test with 3C current charges and 10C current discharge, 95 all backs telecommunications are bulging not yet.
The above results shows: of the present utility model mould the case lithium ion electricity under the high power charging-discharging rigor condition Wai the battery Guan No change, and the normal charge-discharge performance of maintenance battery, the sealing effectiveness that the utility model plastic casing is described is good, has simultaneously good charge-discharge performance again in the security performance that guarantees battery, the small size plastic casing battery of preparation can substitute existing metal shell battery.
Claims (6)
1. plastic shell lithium ion battery; comprise the airtight housing of plastic production and be arranged on battery core body in the housing; housing comprises lower house and upper cover plate; Positive Poles (2) and negative pole pole (9) fixedly install on the housing; positive pole ear of battery core body (11) and negative lug (12) are electrically connected with Positive Poles (2) and negative pole pole (9) respectively, it is characterized in that: lower house comprise the anti-corrosion layer (6) that is in the innermost layer, be in outermost protective layer (7) and be arranged at anti-corrosion layer (6) and protective layer (7) between metallic spacer (8).
2. plastic shell lithium ion battery according to claim 1 is characterized in that: metallic spacer (8) closely is wrapped in anti-corrosion layer (6) outer surface, seals with the epoxy resin adhesive curing between protective layer (7) and metallic spacer (8).
3. plastic shell lithium ion battery according to claim 1 is characterized in that: Positive Poles (2) is arranged on the upper cover plate (1), and upper cover plate (1) is provided with liquid injection hole (3) and vacuumizes hole (4), and negative pole pole (9) is arranged on the lower house bottom; The anti-corrosion layer of lower house (6) is by corrosion resistant engineering plastics injection mo(u)lding, and protective layer (7) is by the engineering plastics injection mo(u)lding of anti-pressure and abrasion-proof, and the bottom of lower house is provided with through hole, and negative pole pole (9) is arranged in the through hole of bottom of lower house.
4. plastic shell lithium ion battery according to claim 3 is characterized in that: negative pole pole (9) adopts metal insert, the edge designs of metal insert to be zigzag and to be made as integrative-structure with it when the lower house injection mo(u)lding.
5. plastic shell lithium ion battery according to claim 4, it is characterized in that: the two ends end face of battery core body is respectively arranged with insulating trip (5), and positive pole ear of battery core body (11) and negative lug (12) are passed insulating trip (5) respectively and be electrically connected with Positive Poles (2) and negative pole pole (9).
6. according to each described plastic shell lithium ion battery of claim 1-5, it is characterized in that: the shape of plastic casing is cylindrical or polygon prism, anti-corrosion layer (6) is to be the corrosion resistant engineering plastics injection mo(u)lding of 0.5～1mm by thickness, top standard-sized sheet mouth and the outer is outwards arranged, the bottom has the through hole of diameter 4～5mm to pass for battery core body negative lug (12); The intermediate layer is the thick metallic spacers (8) of 10～20 μ m; Outermost layer protective layer (7) is to be the engineering plastics injection mo(u)lding of the anti-pressure and abrasion-proof of 0.5～1mm by thickness, top standard-sized sheet mouth, and the bottom has the through hole of diameter 4～5mm to communicate with the through hole of anti-corrosion layer (6) bottom; The metal insert of diameter 9-10mm, thickness 0.3～0.5mm is embedded in the through hole of bottom of anti-corrosion layer (6) or protective layer (7) as negative pole pole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820300657XU CN201191622Y (en) | 2008-04-30 | 2008-04-30 | Plastic case lithium ionic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820300657XU CN201191622Y (en) | 2008-04-30 | 2008-04-30 | Plastic case lithium ionic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191622Y true CN201191622Y (en) | 2009-02-04 |
Family
ID=40335785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820300657XU Expired - Lifetime CN201191622Y (en) | 2008-04-30 | 2008-04-30 | Plastic case lithium ionic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191622Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267023B (en) * | 2008-04-30 | 2010-07-07 | 成都中科来方能源科技有限公司 | Plastic shell lithium ion battery and its making method |
| CN101794912A (en) * | 2010-02-11 | 2010-08-04 | 广州市云通磁电有限公司 | Temperature-resisting cylindrical nickel-metal hydride battery |
| CN102290604A (en) * | 2011-07-30 | 2011-12-21 | 苏州金科发锂电池有限公司 | Li/SOCl2 battery capable of vibration and impact resistance |
| CN103107293A (en) * | 2011-11-15 | 2013-05-15 | 通用电气公司 | Electrochemical battery, shell and manufacture method thereof |
| CN103280542A (en) * | 2013-04-01 | 2013-09-04 | 宜兴奕润新能源科技有限公司 | Lithium iron phosphate cell |
| CN103311969A (en) * | 2012-03-09 | 2013-09-18 | 天宇通讯科技(昆山)有限公司 | Intelligent holster power bank capable of expanding capacity |
| CN111403637A (en) * | 2020-03-30 | 2020-07-10 | 珠海冠宇电池有限公司 | Shell structure and battery |
-
2008
- 2008-04-30 CN CNU200820300657XU patent/CN201191622Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267023B (en) * | 2008-04-30 | 2010-07-07 | 成都中科来方能源科技有限公司 | Plastic shell lithium ion battery and its making method |
| CN101794912A (en) * | 2010-02-11 | 2010-08-04 | 广州市云通磁电有限公司 | Temperature-resisting cylindrical nickel-metal hydride battery |
| CN101794912B (en) * | 2010-02-11 | 2012-02-01 | 广州市云通磁电有限公司 | Temperature-resisting cylindrical nickel-metal hydride battery |
| CN102290604A (en) * | 2011-07-30 | 2011-12-21 | 苏州金科发锂电池有限公司 | Li/SOCl2 battery capable of vibration and impact resistance |
| CN103107293A (en) * | 2011-11-15 | 2013-05-15 | 通用电气公司 | Electrochemical battery, shell and manufacture method thereof |
| CN103311969A (en) * | 2012-03-09 | 2013-09-18 | 天宇通讯科技(昆山)有限公司 | Intelligent holster power bank capable of expanding capacity |
| CN103280542A (en) * | 2013-04-01 | 2013-09-04 | 宜兴奕润新能源科技有限公司 | Lithium iron phosphate cell |
| CN103280542B (en) * | 2013-04-01 | 2015-09-23 | 蒋美娣 | A kind of ferric phosphate lithium cell |
| CN111403637A (en) * | 2020-03-30 | 2020-07-10 | 珠海冠宇电池有限公司 | Shell structure and battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101267023B (en) | Plastic shell lithium ion battery and its making method | |
| CN201191622Y (en) | Plastic case lithium ionic cell | |
| CN206461019U (en) | The aluminum shell column battery of end face flow guiding structure | |
| CN106207075B (en) | A kind of battery with overcurrent protection function | |
| CN201146222Y (en) | Novel lamination type lithium ion secondary battery | |
| CN103137343A (en) | Cylinder battery capacitor | |
| CN102456910B (en) | A kind of lithium-ion-power cell | |
| CN212113760U (en) | Energy storage device | |
| CN102637835A (en) | Cover plate structure and battery case for lithium ion battery and lithium ion battery | |
| CN205508961U (en) | Lithium ion power battery | |
| CN110649186A (en) | Production method of button lithium battery steel shell and battery thereof | |
| CN211182258U (en) | Novel lithium battery shell and shell cover applying same | |
| CN109037505A (en) | A kind of explosion-proof type cylindrical high-capacity aluminum formula lithium battery cover plate | |
| CN209232828U (en) | Lithium ion battery with aluminum shell and its shell and its top cover | |
| CN207896133U (en) | A kind of power battery cap assembly | |
| CN216773371U (en) | Cover plate of lithium battery and square battery structure | |
| CN201868522U (en) | Lithium ion power battery | |
| CN208608234U (en) | A kind of battery case of high-energy density lithium battery | |
| CN209675339U (en) | A kind of high security cover plate of power battery structure | |
| CN209592152U (en) | A kind of composite lithium ion battery of high life | |
| CN112751113A (en) | Riveting top cover, assembling method thereof and square-shell battery cell | |
| CN215377531U (en) | Square battery cover plate | |
| CN110880564A (en) | Novel lithium battery shell and shell cover applying same | |
| CN202662723U (en) | Cylindrical battery with plastic casing | |
| CN201877468U (en) | Shell for forming flexible-packaged manganic acid lithium battery for communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 611436 Xinghua Road, Xinjin Industrial Park, Sichuan, Chengdu, China, 5 Patentee after: Chengdu Zhongke energy Polytron Technologies Inc Address before: 610200 Sichuan Province, Chengdu City Industrial Port Shuangliu Jiaolong Park Nanhai Road 15 Patentee before: Chengdu Zhongke Laifang Energy Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
|
| CX01 | Expiry of patent term |