CN208460877U - A kind of lithium manganese aciculiform battery - Google Patents
A kind of lithium manganese aciculiform battery Download PDFInfo
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- CN208460877U CN208460877U CN201820954810.4U CN201820954810U CN208460877U CN 208460877 U CN208460877 U CN 208460877U CN 201820954810 U CN201820954810 U CN 201820954810U CN 208460877 U CN208460877 U CN 208460877U
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- metal shell
- negative pole
- collecting cylinder
- battery
- currect collecting
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Abstract
The utility model discloses a kind of lithium manganese aciculiform battery, comprising: metal shell, negative pole currect collecting cylinder, battery core component, conducting medium, sealing-plug, metal shell upper end are equipped with opening；Negative pole currect collecting cylinder is set in the middle part of metal shell, and default spacing is equipped between the outer end of upper surface opening；Battery core component includes cathode lithium piece, diaphragm and the positive plate in ectonexine setting, cathode lithium piece is twined set on negative pole currect collecting cylinder lower periphery, diaphragm is twined set on cathode lithium piece outer surface, positive plate is twined set on outer membrane surface, positive plate and metal shell are electrically connected, and cathode lithium piece and negative pole currect collecting cylinder are electrically connected；Conducting medium is filled in the electrolyte fill area between metal shell and negative pole currect collecting cylinder；Sealing-plug is set between opening inner wall and negative pole currect collecting cylinder upper outside face, and metal shell is inwardly convexly equipped with annular protrusion, radially to position to sealing-plug in metal shell.Lithium manganese aciculiform battery provided by the utility model, compact-sized, safety coefficient is high.
Description
Technical field
The utility model relates to field of battery production, in particular to a kind of lithium manganese aciculiform battery.
Background technique
Battery variety is various, there is rectangular cell, aluminum-shell battery, soft-package battery, cylindrical battery, and aciculiform battery is due to it at present
Unique size requirement, so that luminous buoy of aciculiform battery when as fishing fan in night fishing, commercial pen universal
Mains lighting supply when night use, existing aciculiform battery cathode afflux cylinder stretches out metal shell setting, and sealing-plug seals
Insecure, safety coefficient is not high.
Utility model content
The main purpose of the utility model is to propose a kind of lithium manganese aciculiform battery, it is intended to solve existing aciculiform cell safety system
The not high problem of number.
To achieve the above object, the utility model proposes a kind of lithium manganese aciculiform batteries, comprising:
Metal shell, inside are arranged in hollow cavity, and the metal shell upper end is equipped with opening；
Negative pole currect collecting cylinder is set in the middle part of the hollow cavity, and the upper surface of the negative pole currect collecting cylinder is opened with described
Default spacing is equipped between the outer end face of mouth；
Battery core component, including cathode lithium piece, diaphragm and the positive plate in ectonexine setting, the cathode lithium piece is set to described
Negative pole currect collecting cylinder lower periphery, and the positive plate and the metal shell are electrically connected, the cathode lithium piece is born with described
Pole afflux cylinder is electrically connected；
Conducting medium is filled in the electrolyte formed between the metal shell inner sidewall and the negative pole currect collecting cylinder and fills out
Fill area；And
Sealing-plug is set between the opening inner wall and the negative pole currect collecting cylinder upper outside face, and the metal
The upper inner sidewall of shell is convexly equipped with annular protrusion to the corresponding position of the inherent sealing-plug, and the annular protrusion is to described
Radially positioning of the sealing-plug in the metal shell.
Preferably, the outside of the metal shell, which is circumferentially recessed, is formed with one or more interval setting annular grooves,
The corresponding spaced annular protrusion of one or more is formed with the inside in the metal shell.
Preferably, the default spacing is 0.2-3 millimeters.
Preferably, the metal shell with a thickness of 0.1-2 millimeters, it is highly 5-100 millimeters that outer diameter, which is 2-10 millimeters,.
Preferably, the diaphragm includes polypropylene screen, polyethylene film, glass fibre membrane.
Preferably, the middle part of the negative pole currect collecting cylinder is equipped with annular convex rib, the lower end surface of the sealing-plug and the ring
The upper surface of shape convex ribs abuts.
Preferably, the sealing-plug includes butyl rubber bung.
Preferably, the negative pole currect collecting cylinder includes one of copper needle, copper nickel plating needle or stainless pin.
Preferably, the negative pole currect collecting cylinder and the concentric setting of the metal shell.
Preferably, the lateral surface of the negative pole currect collecting cylinder is equipped with lines, and the lines includes screw thread, annular knurl line and striped
One of.
In technical solutions of the utility model, by the way that negative pole currect collecting cylinder is arranged in the metal shell of lithium manganese aciculiform battery,
And twined on the outside of the negative pole currect collecting cylinder and set battery core interlayer, the battery core interlayer successively includes negative electrode layer, cathode interlayer, anode
Layer, and positive interlayer, compact-sized, the charging cycle for realizing aciculiform battery utilizes, and the battery core interlayer is provided with two
Layer diaphragm, i.e., positive interlayer and cathode interlayer, so that this lithium manganese aciculiform cell safety coefficient is high.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram of the section structure of the first embodiment of lithium manganese aciculiform battery provided by the utility model；
Fig. 2 is the schematic diagram of the section structure of the second embodiment of lithium manganese aciculiform battery provided by the utility model.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
Battery variety is various, there is rectangular cell, aluminum-shell battery, soft-package battery, cylindrical battery, and aciculiform battery is due to it at present
Unique size requirement, so that luminous buoy of aciculiform battery when as fishing fan in night fishing, commercial pen universal
Mains lighting supply when night use, existing aciculiform battery cathode afflux cylinder stretches out metal shell setting, and sealing-plug seals
Insecure, safety coefficient is not high.
To solve the above-mentioned problems, the utility model provides a kind of lithium manganese aciculiform battery, and Fig. 1 and Fig. 2 are the utility model
The embodiment of the lithium manganese aciculiform battery of offer.
It please refers to shown in Fig. 1 and Fig. 2, the lithium manganese aciculiform battery includes metal shell 1, negative pole currect collecting cylinder 2, battery core
Component 3, conducting medium 4, sealing-plug 5, in hollow cavity (setting is cylindrical in shape in this example) setting inside metal shell 1, and
1 upper end of metal shell is equipped with 11 (lower end closeds) of opening；The negative pole currect collecting cylinder 2 is set in the middle part of the hollow cavity,
And default spacing (the i.e. described cathode collection is equipped between the upper surface of the negative pole currect collecting cylinder 2 and the outer end face of the opening 11
Fluid is retracted to the inside of the opening 11)；The battery core component 3 includes the cathode lithium piece 31 being arranged in ectonexine, diaphragm 32
With positive plate 33, the cathode lithium piece 31 is twined set on 2 lower periphery of negative pole currect collecting cylinder, and the diaphragm 32 is twined set on institute
The outer surface of cathode lithium piece 31 is stated, the positive plate 33 is twined set on the outer surface of the diaphragm 32, and the positive plate 33 and institute
State the electric connection of metal shell 1, wherein according to the prior art, the positive plate 33 can by heat treated electrolytic manganese dioxide,
It compresses acetylene black, graphite, adhesive etc. and is suppressed on twin rollers at after paste.The cathode lithium piece 31 and the cathode
Afflux cylinder 2 is electrically connected；It should be noted that battery core component 3 is set as the prior art, concrete technology is referring to the prior art
Relevant criterion, i will not repeat them here；The conducting medium 4 is filled in 1 inner sidewall of metal shell and the negative pole currect collecting
The electrolyte fill area formed between cylinder 2, according to the prior art, the conducting medium 4 can be used LiClO4, LiAsF6,
The combination of one or more of LiAlCl4, LiBF4, LiBr, LiCl, organic solvent therein can be PC, EC, DME, BL,
The combination of one or more of THF, AN, MF.The sealing-plug 5 is set to 11 inner walls of the opening and the negative pole currect collecting
Between 2 upper outside face of cylinder, and corresponding position projection of the upper inner sidewall of the metal shell 1 to the inherent sealing-plug 5
Have an annular protrusion 12, the annular protrusion 12 to the sealing-plug 5 the metal shell 1 radially positioning.
Technical solution provided by the utility model by by the upper surface of the negative current collector of lithium manganese aciculiform battery with it is described
Default spacing is equipped between the outer end face of opening 11, so that negative pole currect collecting cylinder 2 is not easy by other metals (such as installation lithium manganese aciculiform
The metal material shell of battery product) it is shorted, battery short circuit is caused, and sealing-plug 5 is positioned radially by annular protrusion 12,
The occurrence of reducing this lithium manganese aciculiform battery leakage possibility so that the safety of entire lithium manganese aciculiform battery mentions significantly
It is high.
Fig. 1 and Fig. 2 are please referred to, the annular protrusion 12 includes and 11 lists disposed in parallel of the opening in the present embodiment
Slot rolling 12a (as shown in Figure 1) or with 11 double slot rolling 12b (as shown in Figure 2) disposed in parallel of the opening.Certainly two are set as
A above slot rolling is also in the range of the technical program is related to.Using the setting of the double slot rolling 12b of the list slot rolling 12a or described,
Facilitate processing, battery core component 3 can be first installed, then wear sealing-plug 5, finally to by machine slot rolling, sealing-plug 5 is pressed
Tightly, the sealing-plug 5 generates elastic deformation after the metal shell 1 carries out slot rolling processing, elastic deformation part be filled with
Gap at the metal shell 1 and 2 cooperation of negative pole currect collecting cylinder, so that this lithium manganese aciculiform battery is difficult to happen leakage
Problem, and facilitate processing.
In the present embodiment, it is equipped between the upper surface of the negative pole currect collecting cylinder 2 and the outer end face of the opening 11 pre-
If spacing is 0.2-3 millimeters.Not only it ensure that negative pole currect collecting cylinder 2 was not easy to be shorted by extraneous metal, but also user facilitated to be directed at installation
The corresponding pole piece in storehouse.
Specifically, in the present embodiment, the metal shell 1 with a thickness of 0.1-2 millimeters, outer diameter is 2-10 millimeter, height
Degree is 5-100 millimeters.The thickness of the metal shell 1 is set as 0.1-2 millimeters, both ensure that necessity of this lithium manganese aciculiform battery is strong
Degree, and be unlikely to blocked up and be difficult to slot rolling；2-10 millimeters of the outer diameter of the metal shell 1, highly ensure that this lithium for 5-100 millimeters
The integrally-built compactedness of manganese aciculiform battery is easily installed on the lesser product of the battery compartments such as electronic luminescence stick.
Specifically, the diaphragm 32 includes one of polypropylene screen, polyethylene film, glass fibre membrane.The diaphragm 32
Setting positive plate 33 and the isolation of cathode lithium piece 31 are come, reduce caused by being shorted because of positive plate 33 and cathode lithium piece 31
The dangerous possibility occurrence of battery short circuit, and then improve the safety of lithium manganese aciculiform battery.
Specifically, further referring to Fig. 1 and Fig. 2, the middle part of the negative pole currect collecting cylinder 2 is equipped with annular convex rib 21, institute
The lower end surface for stating sealing-plug 5 is abutted with the upper surface of the annular convex rib 21.The setting of the annular convex rib 21, it is convenient to cathode
Afflux cylinder 2 is positioned, and negative current collector and metal caused by reaching deep down into excessively because of the negative pole currect collecting cylinder 2 are avoided
The short circuit of shell and the generation for generating short circuit, and then improve the safety of this lithium manganese aciculiform battery.
Specifically, fourth is utilized in 5 butyl rubber bung of sealing-plug, the use of the butyl rubber bung in the present embodiment
The resistance to acid and alkali of base rubber avoids the corrosion because of electrolyte, causes the seal failure of sealing-plug 5, and then improves this lithium manganese
The safety of aciculiform battery.
Specifically, the negative current collector includes one of copper needle, copper nickel plating needle or stainless pin, the negative pole currect collecting
Body is set as aciculiform and is easily installed in the metal shell of small volume.
Specifically, the negative current collector and the concentric setting of the metal shell 1.The negative current collector and the gold
The concentric setting for belonging to shell 1, the side wall for farthest avoiding negative current collector and the metal shell 1 are shorted, in turn
Improve the safety of this lithium manganese aciculiform battery.
Specifically, the lateral surface of negative pole currect collecting cylinder 2 be equipped with lines 22, the lines 22 include screw thread 22a, annular knurl line and
One of striped (as depicted in figs. 1 and 2 by taking screw thread 22a as an example), the setting of the lines 22, increase cathode lithium piece 31 with
The contact friction force amount of metal collector, it is instant rolled to set cathode lithium piece 31.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of lithium manganese aciculiform battery characterized by comprising
Metal shell, inside are arranged in hollow cavity, and the metal shell upper end is equipped with opening；
Negative pole currect collecting cylinder is set in the middle part of the hollow cavity, and the upper surface of the negative pole currect collecting cylinder and the opening
Default spacing is equipped between outer end face；
Battery core component, including cathode lithium piece, diaphragm and the positive plate in ectonexine setting, the cathode lithium piece is set to the cathode
Afflux cylinder lower periphery, and the positive plate and the metal shell are electrically connected, the cathode lithium piece and the cathode collection
Fluidization tower body is electrically connected；
Conducting medium is filled in the electrolyte filling formed between the metal shell inner sidewall and the negative pole currect collecting cylinder
Area；And
Sealing-plug is set between the opening inner wall and the negative pole currect collecting cylinder upper outside face, and the metal shell
Upper inner sidewall be convexly equipped with annular protrusion to the corresponding position of the inherent sealing-plug, the annular protrusion is to the sealing
Fill in the radially positioning in the metal shell.
2. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the outside of the metal shell circumferentially concave shape
At there are one or more interval setting annular grooves, corresponding one or more intervals are formed with the inside in the metal shell
The annular protrusion being arranged.
3. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the default spacing is 0.2-3 millimeters.
4. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the metal shell with a thickness of 0.1-2 millimeters,
Outer diameter is 2-10 millimeters, is highly 5-100 millimeters.
5. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the diaphragm include polypropylene screen, polyethylene film,
One of glass fibre membrane.
6. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the middle part of the negative pole currect collecting cylinder (2) is equipped with
Annular convex rib, the lower end surface of the sealing-plug are abutted with the upper surface of the annular convex rib.
7. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the sealing-plug includes butyl rubber bung.
8. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the negative pole currect collecting cylinder includes copper needle, copper plating
One of nickel needle or stainless pin.
9. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the negative pole currect collecting cylinder and the metal shell
Concentric setting.
10. lithium manganese aciculiform battery as described in claim 1, which is characterized in that the lateral surface of the negative pole currect collecting cylinder is equipped with
Lines, the lines include one of screw thread, annular knurl line and striped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954810.4U CN208460877U (en) | 2018-06-20 | 2018-06-20 | A kind of lithium manganese aciculiform battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954810.4U CN208460877U (en) | 2018-06-20 | 2018-06-20 | A kind of lithium manganese aciculiform battery |
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| Publication Number | Publication Date |
|---|---|
| CN208460877U true CN208460877U (en) | 2019-02-01 |
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| CN201820954810.4U Active CN208460877U (en) | 2018-06-20 | 2018-06-20 | A kind of lithium manganese aciculiform battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233212A (en) * | 2019-05-15 | 2019-09-13 | 广东微电新能源有限公司 | Needle-type battery |
| CN112968234A (en) * | 2021-01-22 | 2021-06-15 | 刘昌国 | Lithium battery shell, lithium battery positive electrode cover plate and lithium battery |
| CN113036210A (en) * | 2021-03-05 | 2021-06-25 | 广东格林赛福能源科技有限公司 | Preparation method of needle type chargeable and dischargeable battery |
-
2018
- 2018-06-20 CN CN201820954810.4U patent/CN208460877U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233212A (en) * | 2019-05-15 | 2019-09-13 | 广东微电新能源有限公司 | Needle-type battery |
| CN112968234A (en) * | 2021-01-22 | 2021-06-15 | 刘昌国 | Lithium battery shell, lithium battery positive electrode cover plate and lithium battery |
| CN113036210A (en) * | 2021-03-05 | 2021-06-25 | 广东格林赛福能源科技有限公司 | Preparation method of needle type chargeable and dischargeable battery |
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| CP02 | Change in the address of a patent holder |
Address after: Room 1905, Block A, Building 2, COFCO Xiangyun, Ailian Community, Longcheng Street, Longgang District, Shenzhen, Guangdong 518172 Patentee after: SHENZHEN DONGLIYUAN DEVELOPMENT CO.,LTD. Address before: 518116 room 506, 5 / F, Wanhui building, Longgang Avenue, Longgang street, Longgang District, Shenzhen, Guangdong Patentee before: SHENZHEN DONGLIYUAN DEVELOPMENT CO.,LTD. |
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