CN202905889U - Lithium ion battery - Google Patents

Lithium ion battery Download PDF

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Publication number
CN202905889U
CN202905889U CN2012205168541U CN201220516854U CN202905889U CN 202905889 U CN202905889 U CN 202905889U CN 2012205168541 U CN2012205168541 U CN 2012205168541U CN 201220516854 U CN201220516854 U CN 201220516854U CN 202905889 U CN202905889 U CN 202905889U
Authority
CN
China
Prior art keywords
battery core
battery cell
battery
lithium ion
metal thin
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
Application number
CN2012205168541U
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Chinese (zh)
Inventor
谢一鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Nvt Technology Co Ltd
Original Assignee
Dongguan Nvt Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Nvt Technology Co Ltd filed Critical Dongguan Nvt Technology Co Ltd
Priority to CN2012205168541U priority Critical patent/CN202905889U/en
Application granted granted Critical
Publication of CN202905889U publication Critical patent/CN202905889U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a lithium ion battery which comprises a front cover, a battery cell component and a metal thin sheet, wherein the front cover is connected with one end of the battery cell component; the battery cell component is arranged in a cavity body formed by the metal thin sheet; the upper surface of the battery cell component is connected with one inner surface of the metal thin sheet through a double-sided mucilage glue layer; and the lower surface of the battery cell component is connected with the other inner surface of the metal thin sheet through a double-sided mucilage glue layer. According to the utility model, a battery cell is packaged by adopting the front cover and the metal thin sheet, and the spaces at the length and thickness directions are utilized fully, so that the battery cell capacity is maximized; the battery cell is wrapped by utilizing the metal thin sheet, so that the puncture-resistant strength of the surface of the battery is increased; the battery and terminal equipment are connected by adopting multiple modes of the metal sheet, or gold fingers or connectors and the like, so that the different requirements of equipment and using environments for customers are met; and moreover, the battery disclosed by the utility model adopts less parts, is simple in structure, is simple and easy to assemble, and saves labor cost and material cost.

Description

Lithium ion battery
Technical field
The utility model relates to technical field of lithium ion, particularly a kind of simple in structure, simple and convenient assembly, lithium ion battery that energy density is high and preparation method thereof.
Background technology
Lithium ion battery is a kind of as clean energy resource, because it has the voltage height, the cycle charge discharge electric life is long, the plurality of advantages such as the little and self-discharge rate of environmental pollution is low, be widely used on each electronic product, such as smart mobile phone, notebook computer, digital camera and portable compact electric apparatus etc.Along with people to improving constantly that the miniaturization of electronic product requires, lithium ion battery requires accordingly also to accomplish that slimming, structural strength are high, accomplishes simultaneously high-energy-density.
At present the packaging structure of traditional lithium ion battery generally comprises protecgulum, bonnet, shell and baffle, or loam cake add lower cover in conjunction with etc., generally be connected perhaps ultrasonic bonding connection by bonding between protecgulum and bonnet and the battery core.Shell is generally metal material or plastic cement material, and shell and protecgulum and bonnet generally by bonding or be welded to connect, perhaps adopt the method for injection moulding integrated molding.Between battery core and the shell, and the space between protecgulum and the battery core, between bonnet and the battery core need adopt and fill the PUR sealing, so that battery core is unlikely to loosening.But generally all to adopt two or more positions injecting glue just can satisfy the demands, the processing more complicated, although what use is 100 ℃ ~ 120 ℃ left and right sides low-temperature hot melt adhesives, has after all certain temperature, can cause certain damage to electronic component or battery core, affecting the life-span of product. protecgulum and bonnet or loam cake and lower cover are most to be plastic cement material, need injection moulding to form certain thickness frame, with proof strength, it is large to take up room, the battery core energy density can not be improved, can not satisfy the demand of slimming lithium ion battery; And assembly technology is complicated, is unfavorable for enhancing productivity and reducing production costs, and in view of this, is necessary a kind of simple in structure, simple and convenient assembly of utility model, the lithium ion battery that energy density is high.
The utility model content
The purpose of this utility model is the weak point that exists for prior art and a kind of lithium ion battery is provided to have simple in structure and the high advantage of energy density, has solved the deficiencies in the prior art.
To achieve these goals, the utility model adopts following technical scheme: the utility model provides a kind of lithium ion battery, comprise protecgulum and battery core assembly, also comprise sheet metal, described protecgulum is connected with an end of battery core assembly, described battery core assembly is arranged at the inside cavity that described sheet metal forms, the upper surface of described battery core assembly is connected with a wherein inner surface of described sheet metal by the double-sided adhesive glue-line, and the lower surface of described battery core assembly is connected with another inner surface of described sheet metal by the double-sided adhesive glue-line.
Described battery core assembly comprises battery core, insulation material layer and battery core baffle, and described insulation material layer is arranged at the energising end of described battery core, and described battery core baffle is arranged at described insulation material layer, and described protecgulum is connected with described battery core baffle.
The surface of described sheet metal is coated with one deck label.
Described battery core baffle is welded in described battery core.
The junction of described protecgulum and described sheet metal is provided with sealant layer.
The beneficial effects of the utility model: battery core of the present utility model adopts protecgulum to add the sheet metal packing, the space of length direction and thickness is fully utilized, make the battery core capacity can accomplish maximization, use sheet metal parcel battery core, increase the puncture-resistant intensity of battery surface, battery adopts sheet metal or the various ways such as golden finger or connector to be connected with terminal equipment, satisfy client's distinct device and the demand of environment for use, and, the utility model battery adopts part few, simple in structure, easily assembled, saved cost of labor and material cost.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of the embodiment 1 of lithium ion battery of the present utility model.
Fig. 2 is the decomposing schematic representation of the embodiment 1 of lithium ion battery of the present utility model.
Fig. 3 is the structural representation of the embodiment 2 of lithium ion battery of the present utility model.
Fig. 4 is the decomposing schematic representation of the embodiment 2 of lithium ion battery of the present utility model.
In Fig. 1 to Fig. 4, comprise:
1---protecgulum
2---the battery core assembly
3---sheet metal
4---the double-sided adhesive glue-line
5---battery core
6---insulation material layer
7---the battery core baffle
8---label.
Embodiment
See Fig. 1 and Fig. 2, this is the embodiment 1 of lithium ion battery of the present utility model, comprise protecgulum 1 and battery core assembly 2, also comprise sheet metal 3, protecgulum 1 is connected with an end of battery core assembly 2, battery core assembly 2 is arranged at the inside cavity that sheet metal 3 forms, and the upper surface of battery core assembly 2 is connected with a wherein inner surface of sheet metal 3 by double-sided adhesive glue-line 4, and the lower surface of battery core assembly 2 is connected with another inner surface of sheet metal 3 by double-sided adhesive glue-line 4.
Battery core assembly 2 comprises battery core 5, insulation material layer 6 and battery core baffle 7, and insulation material layer 6 is arranged at the energising end of battery core 5, and battery core baffle 5 is arranged at insulation material layer 6, and protecgulum 1 is connected with battery core baffle 7.
Preferably, battery core baffle 7 is welded in battery core 5.
Preferably, protecgulum 1 is provided with sealant layer with the junction of sheet metal 3, and sealant layer is that injecting glue forms at normal temperatures, and injecting glue can guarantee that electronic component and battery core are not impaired under the normal temperature.
See Fig. 3 and Fig. 4, this is the embodiment 2 of lithium ion battery of the present utility model, and is different from embodiment 1, in the present embodiment, the surface of sheet metal 3 is coated with one deck label 8, and label 8 can be pasted according to client's demand, other structure is identical with embodiment 1, no longer repeats here.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection range; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.

Claims (5)

1. lithium ion battery, comprise protecgulum and battery core assembly, it is characterized in that: also comprise sheet metal, described protecgulum is connected with an end of battery core assembly, described battery core assembly is arranged at the inside cavity that described sheet metal forms, the upper surface of described battery core assembly is connected with a wherein inner surface of described sheet metal by the double-sided adhesive glue-line, and the lower surface of described battery core assembly is connected with another inner surface of described sheet metal by the double-sided adhesive glue-line.
2. lithium ion battery according to claim 1; it is characterized in that: described battery core assembly comprises battery core, insulation material layer and battery core baffle; described insulation material layer is arranged at the energising end of described battery core; described battery core baffle is arranged at described insulation material layer, and described protecgulum is connected with described battery core baffle.
3. lithium ion battery according to claim 1, it is characterized in that: the surface of described sheet metal is coated with one deck label.
4. lithium ion battery according to claim 1, it is characterized in that: described battery core baffle is welded in described battery core.
5. lithium ion battery according to claim 1, it is characterized in that: the junction of described protecgulum and described sheet metal is provided with sealant layer.
CN2012205168541U 2012-10-10 2012-10-10 Lithium ion battery Expired - Lifetime CN202905889U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205168541U CN202905889U (en) 2012-10-10 2012-10-10 Lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205168541U CN202905889U (en) 2012-10-10 2012-10-10 Lithium ion battery

Publications (1)

Publication Number Publication Date
CN202905889U true CN202905889U (en) 2013-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205168541U Expired - Lifetime CN202905889U (en) 2012-10-10 2012-10-10 Lithium ion battery

Country Status (1)

Country Link
CN (1) CN202905889U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916141A (en) * 2012-10-10 2013-02-06 东莞新能德科技有限公司 Lithium ion battery and manufacturing method thereof
CN104953170A (en) * 2015-06-03 2015-09-30 北京波士顿动力电池有限公司 Structure for improving safety of needling operation outside battery
US10266264B2 (en) 2016-12-05 2019-04-23 Autel Robotics Co., Ltd. Unmanned aerial vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916141A (en) * 2012-10-10 2013-02-06 东莞新能德科技有限公司 Lithium ion battery and manufacturing method thereof
CN104953170A (en) * 2015-06-03 2015-09-30 北京波士顿动力电池有限公司 Structure for improving safety of needling operation outside battery
US10266264B2 (en) 2016-12-05 2019-04-23 Autel Robotics Co., Ltd. Unmanned aerial vehicle
US10407171B2 (en) 2016-12-05 2019-09-10 Autel Robotics Co., Ltd. Unmanned aerial vehicle
US10906643B2 (en) 2016-12-05 2021-02-02 Autel Robotics Co., Ltd. Unmanned aerial vehicle
US11498677B2 (en) 2016-12-05 2022-11-15 Autel Robotics Co., Ltd. Unmanned aerial vehicle

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GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130424