CN206040848U - Lithium cell with stabilize negative pole piece - Google Patents
Lithium cell with stabilize negative pole piece Download PDFInfo
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- CN206040848U CN206040848U CN201620972966.6U CN201620972966U CN206040848U CN 206040848 U CN206040848 U CN 206040848U CN 201620972966 U CN201620972966 U CN 201620972966U CN 206040848 U CN206040848 U CN 206040848U
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- negative pole
- spacing
- cell body
- section
- negative 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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- Primary Cells (AREA)
Abstract
The utility model discloses a lithium cell with stabilize negative pole piece, including the cylindrical battery body, the battery body has positive terminal and a negative pole end, and battery body top is arranged in to the positive terminal, and cylinder negative pole end and the bottom surface negative pole end of arranging the battery body face of cylinder and bottom surface respectively in is drawn together to the negative pole hand ladle, and the lithium cell is still including welding negative pole piece and the negative pole piece fastener of holding in battery body negative pole, the negative pole piece comprises welded fastening section and spacing canned paragraph, and welded fastening is held with the cylinder negative pole of the battery body to its welded fastening section, and spacing canned paragraph passes through negative pole piece fastener fixed connection on the battery body. The negative pole piece of lithium cell is high with the relative position stability of battery utmost point post, and it influences the stability of battery measurement process under the improvement vibration ring border can great degree ground not reduce the reliability that multidirectional macroseism is connected to battery utmost point post and pole piece to the current -carrying capacity that reduces the tie point changes, separates risks such as drawing the arc, promotes the life of battery, and practicality and economic benefits are high.
Description
Technical field：
The present invention relates to it is a kind of with the lithium battery for stablizing negative plate, it is related to cell art.
Background technology：
In all energy forms, electric energy is to be easiest to use, most clean environment firendly and the efficiency highest energy, and battery is most
The device of good storage electric energy, in all battery products, lithium battery is that most young, most advanced, technology contains gold in the world at present
The maximum energy products of amount highest, energy density, among which is widely used in electric motor car.And cylindrical lithium battery primary structure bag
Shell is included, the cover plate being placed on after winding at the top of the positive/negative plate and barrier film, and sealing shell of inside the shell, when manufacture is installed,
The anode ear of positive plate is gathered in the top of battery, and the negative electrode lug of negative plate is gathered in the bottom of battery, in the fabrication process, needs
Negative plate is welded with housing bottom surface, during use, the shell of cylindrical lithium battery is used as negative pole, and many cylindrical lithiums at present
Welding of the negative plate of battery without effective position limiting structure just directly with housing negative pole end（Or metal is close to and connects）, it is easy at tie point
By pole piece or the vibration effect of battery, the steadiness of connection is not high, thus can increase the sealing-off at GND tie point（It is de-
From）Risk.Battery is during high current charge-discharge, if the current-carrying capacity of tie point changes, can directly affect at tie point
Temperature rise, affect then battery life；When serious（Moment departs from）The arcing of generation, it is possible to puncture relatively thin negative metal,
Cause the catastrophic effects such as leakage.
The content of the invention：
The technical problem to be solved is：A kind of simple structure is provided, cost is not high, fabrication and installation are all cold
Connection, it is convenient to operate, and can make the negative plate of battery and GND end that there is the lithium battery of higher position stability.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions：
It is a kind of with the lithium battery for stablizing negative plate, including tubular cell body, the cell body has positive terminal
And negative pole end, the positive terminal is placed at the top of cell body, and the negative pole end includes being respectively placed in the cell body face of cylinder and bottom surface
Cylinder negative pole end and bottom surface negative pole end, the lithium battery also includes being welded in the negative plate and negative pole of cell body negative pole end
Piece securing member, by section is welded and fixed and spacing canned paragraph is constituted, which is welded and fixed the cylinder of section and cell body to the negative plate
Negative pole end is welded and fixed, and spacing canned paragraph is fixedly connected on cell body by negative plate securing member.
Preferably, being provided with annular groove on the cylinder of positive terminal in the cell body, the annular groove surround
The external cylindrical surface of cell body is arranged and parallel with the cross section of cell body, and the spacing canned paragraph of the negative plate is placed in annular groove
It is interior and be anchored in annular groove by negative plate securing member.
Preferably, the negative plate is set to integrally formed elongated metal piece, which is welded and fixed section and cell body
Cylinder negative pole end be welded and fixed, and the section that is welded and fixed is vertically arranged with the cross section of cell body, the spacing canned paragraph
It is set to the concave inward structure agreed with annular groove.
Preferably, the negative plate securing member is provided around the wire coil of annular groove setting, the metal wire
Enclose the groove through spacing canned paragraph and spacing canned paragraph is anchored in annular groove.
Preferably, the end of the spacing canned paragraph extends and is formed along the face of cylinder of the cell body on annular groove top
First spacing section, described first spacing section of end forms second spacing section in the upper horizontal bending of cell body, and described second
Spacing section of end bending extension forms external conductive connection end.
Preferably, the negative plate is set to integrally formed elongated metal piece, which is welded and fixed section and is placed in negative pole
Piece tail end is simultaneously welded and fixed with the cylinder negative pole end of cell body, and described is welded and fixed that section is vertical with the cross section of cell body to be set
Put, the spacing canned paragraph includes the 3rd spacing section, the 4th spacing section and the 5th spacing section, the end for being welded and fixed section
Bottom surface negative pole end toward cell body extends vertically to form the 3rd spacing section, and the 3rd spacing section of end is in bottom surface negative pole extreme direction water
Flat extension forms the 4th spacing section, and the 4th spacing section of end forms the 5th in the vertical bending of cylinder negative pole extreme direction of cell body
Spacing section, the five spacing sections end bendings and extension form external conductive connection end.
Preferably, be provided with the periphery of the cell body being coated on cylinder negative pole end, bottom surface negative pole end and negative plate
Outside plastic packaging film.
Preferably, the negative plate is welded and fixed the metal plate that section is set to strip.
Compared with prior art, usefulness of the present invention is：It is described with stablizing the lithium battery of negative plate using negative
Structure with the spacing fixation in GND end is set on pole piece, thus effectively can be fixed on what negative plate was consolidated on battery, energy
The stability of negative plate and GND end pad is kept preferably, it is to avoid cause negative pole when acting on negative plate due to external force
Piece enhances the bonding strength and steadiness of negative plate and battery, so as to extend electricity with negative pole end is in weld avulsion or separates
The service life in pond, largely saves use cost, thus with higher economic benefit, is adapted to popularization and application.
Description of the drawings：
The present invention is further described below in conjunction with the accompanying drawings：
Fig. 1 is the one of which embodiment of the present invention and does not cover positive structural representation during plastic packaging film；
Fig. 2 is another embodiment of the present invention and positive structure schematic when not covering plastic packaging film；
Fig. 3 is another embodiment of the present invention and positive structure schematic when not covering plastic packaging film；
Fig. 4 is that the plastic packaging film of the present invention installs partial cross structural representation when covering.
Specific embodiment：
Technical scheme in the utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model, rather than the embodiment of whole.Based on the enforcement in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made are belonged to
The scope of the utility model protection.
It is a kind of with the lithium battery for stablizing negative plate, as shown in figure 1, including tubular cell body 1, the cell body
1 has positive terminal 101 and negative pole end, and the positive terminal 101 is placed at the top of cell body 1, and the negative pole end includes being respectively placed in
1 face of cylinder of cell body and the cylinder negative pole end 102 and bottom surface negative pole end 103 of bottom surface, in actual applications, the cylinder negative pole
End and bottom surface negative pole end are the metal shell for being coated on the cell body face of cylinder and bottom surface, and the lithium battery also includes being welded in electricity
The negative plate 2 and negative plate securing member 3 of pond body negative pole end, the negative plate 2 is by being welded and fixed section 201 and spacing canned paragraph
202 compositions, which is welded and fixed section 201 and is welded and fixed with the cylinder negative pole end 102 of cell body 1, and spacing canned paragraph 202 passes through negative pole
Piece securing member 3 is fixedly connected on cell body 1.
A preferred embodiment in as the present embodiment, for further enhancing the spacing canned paragraph of the negative plate with electricity
The steadiness of the negative pole end connection of pond body, in concrete application, is provided with ring in the cell body 1 on the cylinder of positive terminal 101
Connected in star 4, the annular groove 4 are arranged and parallel with the cross section of cell body 1 around the external cylindrical surface of cell body 1, equivalent to
The ring-type neck of an indent is provided with cell body, and the spacing canned paragraph 202 of the negative plate 2 is placed in annular groove 4,
The profile of spacing canned paragraph is set to be matched with the cell body of annular groove the concave inward structure for agreeing with, and can be led to more conveniently then
Cross negative plate securing member 3 to be anchored in annular groove 4, on the outside of the negative plate 2, be pasted with fixation adhesive tape, play auxiliary solid
It is set for using；In addition, the negative plate 2 is typically both configured to integrally formed elongated metal piece, which is welded and fixed section 201 with electricity
The cylinder negative pole end 102 of pond body 1 is welded and fixed, and the section 201 that is welded and fixed is vertically arranged with the cross section of cell body 1, because
And, in actual applications, what is connected due to the other end of spacing canned paragraph is external conductive connection end, thus is relatively easy to be subject to
The effect of external force, when external force acts on external conductive connection end, can be applied to spacing canned paragraph by the conduction of power, and due to
The concave inward structure of spacing canned paragraph can be fixed with annular groove screens, so as to play to negative plate in the axial direction of cell body
Effective spacing fixation, and then effectively prevent the external force of cell body axial direction and further conducted by spacing canned paragraph
To section is welded and fixed, it has been effectively ensured then and has been welded and fixed the steadiness connect between section and the negative pole end of cell body.
And further, as shown in figure 4, it is welded and fixed what is connected between section and the negative pole end of cell body for further enhancing
Steadiness, in actual applications, can by the periphery of the cell body 1 be provided be coated on cylinder negative pole end 102, bottom surface bear
Extreme 103 and negative plate 2 outside plastic packaging film 11, and while plastic packaging film is increased, preferably, also
Can by the metal plate that section 201 is disposed as strip that is welded and fixed of the negative plate 2, thus, plastic packaging film can be effective
Negative plate constraint is fastened on the shell i.e. cylinder negative pole end of cell body, so as to the external force for working as cell body radial direction is acted on
During the external conductive connection end of negative plate, plastic packaging film can effectively reduce this active force to welding power of the canned paragraph in radial direction
Conduction, and when being welded and fixed section and being fixed on the cell body negative pole end of column of tablet-style, which is combined with plastic packaging film more can
Impact of the active force in the radial direction to welding canned paragraph effectively being reduced, and Duan Yu electricity is welded and fixed so as to further ensure that
The stability of the cylinder negative pole end connection of pond body.
In the present embodiment, the concave inward structure for further enhancing the spacing canned paragraph is connected with annular groove
Steadiness, in actual applications, preferably, also for convenience of fabrication and installation and later maintenance, the negative pole
Piece securing member 3 is provided around the wire coil of the setting of annular groove 4, and wire coil could be arranged to have higher machinery strong
The flexible wire of degree and toughness, by manually by the wire coil through the recessed of the concave inward structure of spacing canned paragraph 202
Groove soldier surround and is anchored in annular groove, so as to effectively the spacing canned paragraph 202 of negative plate is anchored in annular groove 4.
In the present embodiment, for further enhancing the bonding strength of the negative plate and negative pole end, reduce external force butt welding
The conduction of the power of canned paragraph is connect, in the end of the spacing canned paragraph 202 along the face of cylinder of the cell body 1 on 4 top of annular groove
Extend and formed first spacing section 5, described first spacing section 5 of end forms second in the upper horizontal bending of cell body 1 and limits
Position section 6, described second spacing section 6 of end bending simultaneously extend and form external conductive connection end 7, thus, first spacing section and
The bending section of second spacing section of composition effectively can be anchored on the other end of spacing canned paragraph on the cylinder on annular groove top, by
An opposed annular groove is defined between the top positive terminal of the cylinder and cell body of the cell body on annular groove top
Protruding end, thus have identical spacing solid by the spacing section of bending section for constituting of first spacing section and second and spacing canned paragraph
It is set for using, so as to further reduce the conduction of power when external force is acted on negative plate, further enhances and be welded and fixed
The steadiness that section is connected with GND end.
And as another preferred embodiment in the present embodiment, as shown in Fig. 2 the negative plate 2 is arranged it is formed in one
Elongated metal piece, which is welded and fixed section 201 and is placed in 2 tail end of negative plate solid with the welding of the cylinder negative pole end 102 of cell body 1
It is fixed, and the section 201 that is welded and fixed is vertically arranged with the cross section of cell body 1, the post for being welded and fixed section and cell body herein
The welding position of face negative pole end is located near the position at bottom cathode end, and the spacing canned paragraph 202 passes through three bendings simultaneously
The 3rd spacing section 8, the 4th spacing section 9 and the 5th spacing section 10 is formed, specifically, the end for being welded and fixed section 201 is past
The bottom surface negative pole end 103 of cell body 1 extends vertically to form the 3rd spacing section 8, and the 3rd spacing section 8 of end is in bottom surface negative pole end
103 directions are horizontal-extending to form the 4th spacing section 9, the 4th spacing section and bottom surface negative pole end abutting contact, the 4th spacing section 9 of end
Portion forms the 5th spacing section 10 in the vertical bending in 102 direction of cylinder negative pole end of cell body 1, and the 5th spacing section of 10 end bendings are simultaneously
Extend and form external conductive connection end 7, thus in actual applications, by the 3rd spacing section 8, the 4th spacing section 9 and the 5th
Spacing section of spacing section 10 composition is connected with cell body bottom cylinder and bottom, reduces the outer of radial direction so as to effectively play
Impact of the power to welding canned paragraph, and combine and plastic packaging film is set at bottom cathode end, so as to spacing effectively by the 4th of bottom the
Section with bottom surface negative pole end firm contact against, so as to further reduce the external force of axial direction to weld canned paragraph impact,
So as to also can effectively strengthen the bonding strength and steadiness that are welded and fixed section and cell body negative pole end.
As another preferred embodiment in the present embodiment, as shown in figure 3, the negative plate 2 is set to integrally formed L
Shape sheet metal, it is L-shaped and be placed in 2 tail end of negative plate the cylinder negative pole end 102 with cell body 1 which is welded and fixed 201 outward appearance of section
Be welded and fixed, and the free end for being welded and fixed section 201 be vertically arranged with the axis of cell body 1, herein be welded and fixed section
It is located near the position at bottom cathode end with the welding position of the cylinder negative pole end of cell body, and the spacing canned paragraph 202 sets
It is set to vertical canned paragraph and is fixed on the top of the cylinder negative pole end of cell body, by L-shaped sheet metal, increases by 2 bottom of negative plate
The steadiness for dividing, specifically, the end for being welded and fixed section 201 passes through L-shaped metal with the cylinder negative pole end 102 of cell body 1
In the presence of the L-shaped part of piece and plastic packaging film, impact of the external force of radial direction to welding canned paragraph is effectively reduced, while entering one
Step reduces the external force of axial direction to welding the impact of canned paragraph, is welded and fixed section and bears with cell body so as to also effectively strengthen
Extreme bonding strength and steadiness.
It is above-mentioned with stablizing the lithium battery of negative plate using the knot arranged on negative plate with the spacing fixation in GND end
Structure, thus effectively can be fixed on what negative plate was consolidated on battery, negative plate can be preferably kept with GND end pad
Stability, it is to avoid cause as external force is acted on negative plate negative plate and negative pole end in weld avulsion or separate, strengthen
Negative plate and the bonding strength and steadiness of battery, so as to extending the service life of battery, largely save and use into
This, practicality is high.
It is emphasized that：The above is only presently preferred embodiments of the present invention, not make any formal to the present invention
Restriction, every technical spirit any simple modification, equivalent variations and modification that above example is made according to the present invention,
Still fall within the range of technical solution of the present invention.
Claims (8)
1. a kind of with the lithium battery for stablizing negative plate, including tubular cell body（1）, the cell body（1）With just
Extremely（101）And negative pole end, the positive terminal（101）It is placed in cell body（1）Top, the negative pole end include being respectively placed in electricity
Pond body（1）The cylinder negative pole end of the face of cylinder and bottom surface（102）And bottom surface negative pole end（103）, it is characterised in that：The lithium battery
Also include being welded in the negative plate of cell body negative pole end（2）And negative plate securing member, the negative plate（2）By being welded and fixed section
（201）And spacing canned paragraph（202）Composition, which is welded and fixed section（201）With cell body（1）Cylinder negative pole end（102）Weldering
Connect fixation, spacing canned paragraph（202）Cell body is fixedly connected on by negative plate securing member（1）On.
2. according to claim 1 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：In the cell body
（1）Near positive terminal（101）Cylinder be provided with annular groove（4）, the annular groove（4）Around cell body（1）It is cylindrical
Cylinder is arranged and and cell body（1）Cross section it is parallel, the negative plate（2）Spacing canned paragraph（202）It is placed in annular groove
（4）It is interior and pass through negative plate securing member（3）It is anchored on annular groove（4）It is interior.
3. according to claim 2 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：The negative plate（2）
Integrally formed elongated metal piece is set to, which is welded and fixed section（201）With cell body（1）Cylinder negative pole end（102）Weldering
Fixation is connect, and described is welded and fixed section（201）With cell body（1）Cross section be vertically arranged, the spacing canned paragraph（202）If
It is set to and annular groove（4）The concave inward structure for agreeing with.
4. according to claim 3 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：The negative plate fastening
Part is provided around annular groove（4）The wire coil of setting（12）, the wire coil（12）Through spacing canned paragraph（202）
Groove and by spacing canned paragraph（202）It is anchored on annular groove（4）It is interior.
5. according to claim 3 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：The spacing canned paragraph
（202）End along annular groove（4）The cell body on top（1）The face of cylinder extend and form first spacing section（5）, described
One spacing section（5）End in cell body（1）Upper horizontal bending formed second spacing section（6）, described second spacing section（6）
End bending and extension form external conductive connection end（7）.
6. according to claim 1 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：The negative plate（2）
Integrally formed elongated metal piece is set to, which is welded and fixed section（201）It is placed in negative plate（2）Tail end and cell body（1）
Cylinder negative pole end（102）It is welded and fixed, and described is welded and fixed section（201）With cell body（1）Cross section be vertically arranged, institute
State spacing canned paragraph（202）Including the 3rd spacing section（8）, the 4th spacing section（9）And the 5th spacing section（10）, the welding is admittedly
Determine section（201）End toward cell body（1）Bottom surface negative pole end（103）Extend vertically to form the 3rd spacing section（8）, the 3rd is spacing
Section（8）End in bottom surface negative pole end（103）Direction is horizontal-extending to form the 4th spacing section（9）, the 4th spacing section（9）End
In cell body（1）Cylinder negative pole end（102）The vertical bending in direction forms the 5th spacing section（10）, the 5th spacing section（10）End
Bending and extension form external conductive connection end（7）.
7. according to claim 1 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：In the cell body
（1）Periphery be provided with and be coated on cylinder negative pole end（102）, bottom surface negative pole end（103）And negative plate（2）Outside plastic packaging film
（11）.
8. according to claim 1 a kind of with the lithium battery for stablizing negative plate, it is characterised in that：The negative plate（2）
Be welded and fixed section（201）It is set to the metal plate of strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972966.6U CN206040848U (en) | 2016-08-30 | 2016-08-30 | Lithium cell with stabilize negative pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972966.6U CN206040848U (en) | 2016-08-30 | 2016-08-30 | Lithium cell with stabilize negative pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040848U true CN206040848U (en) | 2017-03-22 |
Family
ID=58301663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620972966.6U Active CN206040848U (en) | 2016-08-30 | 2016-08-30 | Lithium cell with stabilize negative pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252708A (en) * | 2016-08-30 | 2016-12-21 | 苏州市莱赛电车技术有限公司 | A kind of lithium battery with stable negative pole piece |
-
2016
- 2016-08-30 CN CN201620972966.6U patent/CN206040848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252708A (en) * | 2016-08-30 | 2016-12-21 | 苏州市莱赛电车技术有限公司 | A kind of lithium battery with stable negative pole piece |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200514 Address after: 215300 workshop 6, No. 586, Zhenxin East Road, Zhangpu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: SUZHOU MODU INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 215600 science and Technology Innovation Park, old 204 National Road, Yue Yu Town, Suzhou City, Zhangjiagang, Jiangsu Patentee before: SUZHOU LECE E-BUS ENGINEERING TECHNOLOGY Co.,Ltd. |