CN206497935U - Soft bag lithium ionic cell - Google Patents
Soft bag lithium ionic cell Download PDFInfo
- Publication number
- CN206497935U CN206497935U CN201720017885.5U CN201720017885U CN206497935U CN 206497935 U CN206497935 U CN 206497935U CN 201720017885 U CN201720017885 U CN 201720017885U CN 206497935 U CN206497935 U CN 206497935U
- Authority
- CN
- China
- Prior art keywords
- battery core
- aluminium pole
- pole ears
- core bodies
- nickel sheet
- 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 - Fee Related
Links
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
A kind of soft bag lithium ionic cell, it includes battery core bodies, anode ear is provided with battery core bodies, anode ear includes aluminium pole ears, the first end of aluminium pole ears is located in battery core bodies, the second end extends, aluminium pole ears are bent to the lateral direction of battery core bodies, form the first folding line, nickel sheet is welded with the precalculated position of aluminium pole ears, the first end of nickel sheet is welded to connect with aluminium pole ears, using the first end of nickel sheet as bending position, aluminium pole ears are also bent towards the first width end direction of battery core bodies, aluminium pole ears are close to the U-bend folding part on the outside of battery core bodies in one, the first end of shown nickel sheet is located in the blind end of U-bend folding part, the second end is stretched out outside the first width end of battery core bodies from the opening of U-bend folding part, and extend over the second end of aluminium pole ears.Using the technical scheme, the risk that nickel sheet terminal spine wears barrier film is eliminated, improves the security performance of product.
Description
Technical field
The utility model is related to a kind of field of lithium ion battery, more particularly to a kind of soft bag lithium ionic cell.
Background technology
Because lithium ion battery belongs to the advantage of new energy environment-friendly products and is widely available application.Current square aluminum plastic film
Battery pack is more and more in pole switching problem points, extreme influence product qualification rate, while further having influence on product chemistry
Performance is played, and also there is sizable potential safety hazard, at the same time, product appearance is also poor.
Utility model content
The first purpose of the utility model embodiment is to provide a kind of soft bag lithium ionic cell.Using the technical scheme,
The risk that nickel sheet terminal spine wears barrier film is eliminated, improves the security performance of product.
In a first aspect, the utility model embodiment provides a kind of soft bag lithium ionic cell, it includes battery core bodies, described
Anode ear is provided with battery core bodies, the anode ear includes stretching out in the external aluminium pole ears of the battery core,
The first end of the aluminium pole ears is located in the battery core bodies, and the second end is stretched from the first width end of battery core bodies
Go out outside, the aluminium pole ears are being close at the first width end of the battery core bodies bend to the lateral direction of the battery core bodies,
The first folding line is formed,
It is welded with first folding line of the aluminium pole ears to the precalculated position between the second end of the aluminium pole ears
Nickel sheet, the first end of the nickel sheet is welded to connect with the aluminium pole ears,
Using the first end of the nickel sheet as bending position, the aluminium pole ears are also towards the first width end side of the battery core bodies
To bending, the aluminium pole ears are in a U-bend folding part being close on the outside of the battery core bodies, and the first end of shown nickel sheet is located at institute
In the blind end for stating U-bend folding part, the second end is stretched out from the opening of the U-bend folding part in the first wide of the battery core bodies
Spend outside end, and extend over the second end of the aluminium pole ears.
Alternatively, heat-conducting glue, the heat-conducting glue curing molding, the heat-conducting glue are additionally provided with the U-bend folding part
The weld part of the nickel sheet and the aluminium pole ears is firmly wrapped in interior.
Alternatively, heat-conducting glue, the heat-conducting glue curing molding, the heat-conducting glue are additionally provided with outside the U-bend folding part
The U-bend folding part is wrapped up, and is connected the outer surface of the battery core bodies.
Alternatively, the width of the nickel sheet is identical with the width of the aluminium pole ears.
Therefore, because the end of the nickel sheet connected on the anode ear of the soft bag lithium ionic cell of the present embodiment is wrapped
In the U-bend folding part of aluminium pole ears, the risk that nickel sheet terminal spine wears barrier film is eliminated, improves the security performance of product.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Do not constitute to improper restriction of the present utility model.
Fig. 1 is a kind of structural representation for soft bag lithium ionic cell that the utility model embodiment 1 is provided；
Fig. 2 is Fig. 1 partial structurtes enlarged diagram；
Fig. 3 is a kind of structural representation for pole positioner that the utility model embodiment 1 is provided；
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended as limiting of the present utility model.
Embodiment 1：
Referring to shown in Fig. 1,2, a kind of soft bag lithium ionic cell is present embodiments provided, it mainly includes battery core bodies, in electricity
Core body is wrapped with aluminum plastic film housing, and the anode ear being connected with positive plate is provided with battery core bodies 101, and the anode ear is included certainly
The aluminium pole ears 102 that first width end of battery core bodies 101 is stretched out.
The first end of the present embodiment aluminium pole ears 102 is located in battery core bodies 101, the second end from outside battery core bodies 101 the
One width end extends, and aluminium pole ears 102 are being close to the place of the first width end of the battery core bodies 101 to battery core bodies 101
Side surface direction bending (i.e. about 180 degree bend) the battery core bodies 101 first folding line of root formation, on aluminium pole ears 102
The first folding line be welded with nickel sheet 103 to a certain precalculated position (for example middle part) between the second end of the aluminium pole ears 102,
The first end of nickel sheet 103 is mutually welded with aluminium pole ears 102.At the first end welding position of nickel sheet 103, the aluminium pole ears 102
Also bent towards the first width end direction of battery core bodies 101, so that one is formed on aluminium pole ears 102 is close to the outside of battery core bodies 101
U-bend folding part, the first end of nickel sheet 103 is wrapped in the U-bend folding part, opening of the second end from U-bend folding part
Place is stretched out outside the first width end of battery core bodies 101.The aluminium pole ears 102 of the present embodiment and it is welded on aluminium pole ears 102
Nickel sheet 103 is the anode ear for constituting this soft bag lithium ionic cell, completes the aluminium-to-nickel connection of anode ear.
Therefore, due to the end quilt of nickel sheet 103 connected on the anode ear of the soft bag lithium ionic cell of the present embodiment
It is wrapped in the U-bend folding part of aluminium pole ears 102, eliminates the risk that the terminal spine of nickel sheet 103 wears barrier film, improves the security of product
Energy.
As the signal of the present embodiment, heat-conducting glue is additionally provided with U-bend folding part, the heat-conducting glue curing molding, this is led
The weld part of nickel sheet 103 and aluminium pole ears 102 is firmly wrapped in interior by hot glue, it is to avoid welding comes off.And can with but be not limited to
Further make heat-conducting glue further beyond the U-bend folding part so as to carry out solidifying and setting, so that U-bend folding part firmly be wrapped up
In the outside of battery core bodies 101, and with being linked together on the outside of lithium ion battery, coated metal section, it is to avoid welding damage and
Rock.
Shown in Figure 3, as the signal of the present embodiment, the present embodiment still further provides a kind of available for above-mentioned soft
The pole positioner of the anode ear welding of bag lithium ion battery.It includes the base 201 in platform-like, before base 201
End be additionally provided with projection side positioning edge 202, base 201 right-hand member be additionally provided with projection lug positioning table 203, setting
Timing, by the width design of lug positioning table 203 into the aluminium pole ears 102 with the anode ear of the soft bag lithium ionic cell of needs welding
Width it is identical.
As the signal of the present embodiment, present embodiments provide a kind of above-mentioned pole positioner of application and carry out anode ear weldering
Method is connect, its technological process is as follows：
Step1, soft bag lithium ionic cell is placed on the base 201 of pole positioner, and pushes ahead Soft Roll lithium
Ion battery, makes the side edge of soft bag lithium ionic cell be against before the side positioning edge 202 of pole positioner, and also to
The right bottom for promoting soft bag lithium ionic cell to make the width end of soft bag lithium ionic cell be against lug positioning table 203, it is now electric
The aluminium pole ears 102 in pond are identical with the position of lug positioning table 203, and bending aluminium pole ears 102 make aluminium pole ears 102 in lug positioning table
The first folding line is formed with 203 bottom, aluminium pole ears 102 bypass lug positioning table 203 after being bent at the first folding line and stretched out
The top surface of lug positioning table 203；
Nickel sheet 103, is welded on the top of aluminium pole ears 102 by Step2 on lug positioning table 203, forms anode ear, now
Nickel sheet 103 and aluminium pole ears are just right about 102, and the first end of nickel sheet 103 is located at the side of base 201 with lug positioning table 203
Edge aligns；
Step3, soft bag lithium ionic cell is removed from pole positioner, at the first folding line of aluminium pole ears 102, past soft
The outside of bag lithium ion battery bends downwards aluminium pole ears 102, whole anode ear is attached to the side of battery core bodies 101；
Step4, the first end position using nickel sheet 103 is folded upward at aluminium pole ears 102 as crooked place, makes aluminium pole ears 102
The U-bend folding part of an opening upwards is formed in the outside of soft bag lithium ionic cell, the first end of nickel sheet 103 is wrapped in aluminium pole
In the U-bend folding part of ear 102, the second end of nickel sheet 103 is stretched out from the opening of U-bend folding part, and nickel sheet 103 is in straight really
Shape stretches out from U-bend folding part.
Therefore, using the present embodiment technical matters, to tab welding position, bending position in anode ear welding process
Put and be accurately positioned, be conducive to improving the efficiency welded, improve product quality.
As the signal of the present embodiment, the both sides of lug positioning table 203 of the tab positioning apparatus of the present embodiment are additionally provided with
Spacing fin 204, makes aluminium pole ears 102, nickel sheet 103 spacing in two spacing fins 204 of lug positioning table 203 respectively, enters one
Step is conducive to tab welding to position.
Embodiments described above, does not constitute the restriction to the technical scheme protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (4)
1. a kind of soft bag lithium ionic cell, it is characterized in that, including battery core bodies, anode ear is provided with the battery core bodies, it is described
Anode ear includes stretching out in the external aluminium pole ears of the battery core,
The first end of the aluminium pole ears is located in the battery core bodies, and the second end stretches out from the first width end of battery core bodies
Outside, the aluminium pole ears are being close at the first width end of the battery core bodies bend to the lateral direction of the battery core bodies, are formed
First folding line,
To the precalculated position between the second end of the aluminium pole ears nickel sheet is welded with first folding line of the aluminium pole ears,
The first end of the nickel sheet is welded to connect with the aluminium pole ears,
Using the first end of the nickel sheet as bending position, first width end direction of the aluminium pole ears also towards the battery core bodies is curved
Folding, the aluminium pole ears are in a U-bend folding part being close on the outside of the battery core bodies, and the first end of shown nickel sheet is located at the U
In the blind end of shape kink, the second end stretches out the first width in the battery core bodies from the opening of the U-bend folding part
Outside end, and extend over the second end of the aluminium pole ears.
2. soft bag lithium ionic cell according to claim 1, it is characterized in that,
Be additionally provided with heat-conducting glue in the U-bend folding part, the heat-conducting glue curing molding, the heat-conducting glue by the nickel sheet with
In the weld part of the aluminium pole ears is firmly wrapped in.
3. soft bag lithium ionic cell according to claim 1, it is characterized in that,
Heat-conducting glue is additionally provided with outside the U-bend folding part, the heat-conducting glue curing molding, the heat-conducting glue wraps up the U-shaped
Kink, and connect the outer surface of the battery core bodies.
4. soft bag lithium ionic cell according to claim 1, it is characterized in that,
The width of the nickel sheet is identical with the width of the aluminium pole ears.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138869 | 2016-02-24 | ||
| CN2016201388697 | 2016-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497935U true CN206497935U (en) | 2017-09-15 |
Family
ID=59803023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017885.5U Expired - Fee Related CN206497935U (en) | 2016-02-24 | 2017-01-09 | Soft bag lithium ionic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228200A1 (en) * | 2018-05-31 | 2019-12-05 | 比亚迪股份有限公司 | Lithium ion secondary battery component and manufacturing method therefor, and lithium ion secondary battery |
-
2017
- 2017-01-09 CN CN201720017885.5U patent/CN206497935U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228200A1 (en) * | 2018-05-31 | 2019-12-05 | 比亚迪股份有限公司 | Lithium ion secondary battery component and manufacturing method therefor, and lithium ion secondary battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206250267U (en) | Battery core and secondary cell | |
| CN206250261U (en) | Secondary cell | |
| CN207818739U (en) | Electrode assembly | |
| CN206432322U (en) | Battery core pole piece and the naked battery core of takeup type | |
| CN104577025B (en) | Soft packed battery tab welding method | |
| CN206250224U (en) | Battery core encapsulating structure | |
| CN202167546U (en) | Square flexibly packaged battery | |
| CN208923266U (en) | Cell connector, battery and vehicle | |
| CN104466074A (en) | Flexible package battery lug welding method | |
| CN206497935U (en) | Soft bag lithium ionic cell | |
| CN105720226B (en) | Soft bag lithium ionic cell and its anode ear welding method | |
| CN105742721A (en) | High-energy-ratio low-internal-resistance cylindrical lithium ion battery | |
| CN204614883U (en) | A kind of small-sized arc lithium ion battery | |
| CN204991890U (en) | Arc lithium ion battery | |
| CN107293806A (en) | Takeup type battery core | |
| CN109361010A (en) | A kind of discoid poly-lithium battery of takeup type and preparation method thereof | |
| CN107302110A (en) | Takeup type battery core | |
| CN102489857A (en) | Method for welding positive electrode aluminum electrode tab of lithium ion battery and nickel strap | |
| CN204680727U (en) | Flexible package 18650 cell electrode structure | |
| CN209071487U (en) | A kind of electric connecting sheet and the battery modules using the electric connecting sheet | |
| CN104201300B (en) | A kind of lithium battery | |
| CN206040717U (en) | Arc battery | |
| CN214043711U (en) | Multi-tab electrode structure of miniature lithium ion battery | |
| CN101179136A (en) | Battery lamination type electric core and manufacturing method thereof | |
| CN205680740U (en) | A kind of full lug coiled square battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20210109 |