CN210167384U - Novel battery shell and novel lithium-manganese needle-shaped battery - Google Patents
Novel battery shell and novel lithium-manganese needle-shaped battery Download PDFInfo
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- CN210167384U CN210167384U CN201920950210.5U CN201920950210U CN210167384U CN 210167384 U CN210167384 U CN 210167384U CN 201920950210 U CN201920950210 U CN 201920950210U CN 210167384 U CN210167384 U CN 210167384U
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Abstract
The utility model discloses a novel battery case and novel lithium manganese aciculiform battery, battery case body formula structure as an organic whole, battery case body are equipped with shell body and sealing, sealing sets up the upper end at the shell body, sealing's upper end opening sets up, shell body cavity sets up and forms and hold the cavity, sealing's surface is equipped with the leak protection structure, the leak protection structure be with sealing integrated into one piece's thickening layer. The utility model discloses mainly increase the leak protection structure on the sealing of battery case body, a thickness for increasing on the battery case sealing, on the one hand can avoid the sealing slot rolling to seal when taking place deformation, the inhomogeneous partial position that leads to of sealing atress forms husky eye, on the other hand, the leak protection structure increases battery case's sealing wall thickness, even the sealing slot rolling takes place deformation, wall thickness can still be guaranteed to the sealing, prevent the damaged weeping phenomenon of sealing, and then increase the dwell time of battery, promote the product quality of battery.
Description
Technical Field
The utility model relates to a battery production field, in particular to novel battery case and lithium manganese needle battery.
Background
The luminous buoy of present needle battery when fishing night, the general pen of commercial that uses night, arrow tail pilot lamp etc. field wide use as lighting power supply for archery motion uses, nevertheless because the unique structural design requirement of needle battery, current needle battery is depositing a period back, and the sealed plug often appears leaking liquid and corrodes with anodal aluminium shell contact department, leads to the battery to scrap, seriously influences the product quality of battery, and the reason that causes this phenomenon has threely, and one of them is: as shown in fig. 1, the wall thickness of the shell body of the battery case, which is commonly used at present, is uniform, the thickness is about 0.2 MM to 0.3MM, and when the upper part of the battery case is subjected to pressure slot rolling sealing, the sealing position of a rubber plug and a battery aluminum case slot rolling sealing part becomes quite thin; secondly, the inconsistency of the aluminum shell material leads to tiny sand holes at the sealing position; thirdly, chemical substances in the battery and the aluminum shell slowly generate electrochemical corrosion reaction, the sealing part of the rolling groove is quite thin, even sand holes appear, and the sealing part is corroded at first to cause liquid leakage when the slow corrosion reaction occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel battery case and novel lithium manganese aciculiform battery aims at solving battery sealing weeping, influences battery product quality and save time's problem.
The utility model discloses can realize through following technical scheme:
the utility model provides a novel battery case, includes the battery case body, battery case body formula structure as an organic whole, the battery case body is equipped with shell body and sealing, sealing sets up the upper end at the shell body, the upper end opening setting of sealing, shell body cavity sets up and forms and holds the cavity, the surface of sealing is equipped with the leak protection structure, the leak protection structure be with sealing integrated into one piece's thickening layer. The utility model discloses an increase the leak protection structure on the sealing of battery case body, the leak protection structure is used for increasing the thickness in the battery case sealing, can avoid battery case's sealing rolling slot to seal inhomogeneous and form the sand eye on the one hand, and on the other hand, the leak protection structure increases battery case's sealing wall thickness, can increase the time that takes place electrochemical corrosion reaction between the inside electrolyte of battery and the sealing, plays and prevents the damaged weeping phenomenon of sealing, and then increases the dwell time of battery, promotes the product quality of battery.
Further, the thickness of the leakage-proof structure is 0.05-0.5 mm. Therefore, the thickness of the sealing part can be increased, the liquid leakage phenomenon can be prevented, and the sealing part is prevented from being too thick and protruding outwards to influence the overall shape of the battery.
Further, the setting length of the leakage-proof structure is 2-10 mm. If the length of the leakage-proof structure is too short, the deformation length of the sealing part during the rolling groove sealing cannot be ensured; the length of the leakage-proof structure is too long, so that on one hand, the material required for producing the battery shell is increased, the production cost is increased, and on the other hand, the whole volume of the battery is increased, and the installation of the battery is influenced.
Further, the length range of the sealing part is the same as the length range of the leakage preventing structure. Therefore, the leakage-proof structure can be effectively arranged on the sealing part, and the deformation length of the sealing of the rolling groove is ensured.
The utility model provides a novel lithium manganese aciculiform battery, includes battery case and the battery negative pole mass flow body, battery case includes the battery case body, battery case body formula structure as an organic whole, the battery case body is equipped with shell body and sealing, the sealing sets up the upper end at the shell body, the upper end opening setting of sealing, shell body cavity sets up and forms and holds the cavity, the surface of sealing is equipped with the leak protection structure, the leak protection structure is for the thickening layer with sealing integrated into one piece. The lower part of the battery negative current collector is inserted in the containing cavity of the battery shell, the upper part of the battery negative current collector extends to the outside of the battery shell, a battery positive plate, diaphragm paper and a battery negative plate are arranged between the outer surface of the lower part of the battery negative current collector and the inner surface of the battery shell, the battery negative plate is wound on the outer surface of the lower part of the battery negative current collector, the diaphragm paper is wound on the outer surface of the battery negative plate, the battery positive plate is wound on the outer surface of the diaphragm paper, a sealing rubber plug is further arranged in a sealing part of the battery shell, and the sealing rubber plug is sleeved. The utility model discloses, battery case has increased the thickness of sealing, can effectually play and prevent the weeping phenomenon, increases the use and the depositing time of battery, and then can effectual promotion battery quality.
Furthermore, the battery shell is made of aluminum, the wall thickness range of the battery shell is 0.2-0.3mm, and the outer diameter range of the battery shell is 2-10 mm. The aluminum material is a common battery shell material in the battery industry, and has wide source and low cost; the wall thickness range of the battery shell is 0.2-0.3mm, the outer diameter range of the battery shell is 2-10mm, the battery can be small enough, and the battery can be applied to various specific occasions, such as electronic luminous floats for fishing, business pens for night use, arrow tail indicating lamps for archery sports and the like.
Further, the current collector of the negative electrode of the battery is made of stainless steel, copper or other metal alloys, and the diameter range of the current collector is 0.6-2.0 mm.
Further, the battery positive plate is a mixture of manganese dioxide and a conductive agent.
Furthermore, the material of the diaphragm paper is PP or PE hair adhesive film.
Furthermore, the material of the battery negative electrode sheet is metal lithium.
The utility model discloses among the technical scheme, mainly increase the leak protection structure on the sealing of battery case body, the leak protection structure is used for increasing the thickness on the battery case sealing, when can avoid the sealing rolling slot of battery case to seal to take place deformation on the one hand, the inhomogeneous partial position that leads to of sealing atress forms the sand eye, on the other hand, the leak protection structure increases the sealing wall thickness of battery case, even the sealing rolling slot takes place deformation, the wall thickness still can be guaranteed to the sealing, can increase the time of taking place electrochemical corrosion reaction between the inside electrolyte of battery and the sealing, play and prevent the damaged weeping phenomenon of sealing, and then increase the dwell time of battery, promote the product quality of battery.
Drawings
FIG. 1 is a schematic view of a conventional battery case;
fig. 2 is a schematic structural view of the battery case of the present invention;
fig. 3 is a schematic structural diagram of a lithium manganese needle-shaped battery according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.
As shown in fig. 2, a novel battery case, including battery case body 100, battery case body 100 formula structure as an organic whole, battery case body 100 are equipped with shell 101 and sealing portion 102, sealing portion 102 sets up the upper end at shell 101, the upper end opening setting of sealing portion 102, shell 101 cavity setting forms and holds the cavity, sealing portion 102's surface is equipped with leak protection structure 103, leak protection structure 103 is the thickening layer with sealing portion 102 integrated into one piece. The utility model discloses, mainly increase leak protection structure 103 on the sealing 102 of battery case body 100, leak protection structure 103 is used for increasing the thickness on the battery case sealing 102, when can avoid the sealing 102 slot rolling of battery case 1 to seal to take place deformation on the one hand, the inhomogeneous partial position that leads to of sealing 102 atress forms the sand eye, on the other hand, leak protection structure 103 increases the sealing 102 wall thickness of battery case, even sealing 102 takes place deformation when the slot rolling is sealed, wall thickness can still be guaranteed to sealing 102, can increase the time that takes place electrochemical corrosion reaction between the inside electrolyte of battery and sealing 102, play and prevent the damaged weeping phenomenon of sealing 102, and then increase the depositing time of battery, promote the product quality of battery.
As shown in fig. 2, the thickness of the leakage-proof structure 103 is 0.05-0.5mm, which not only can increase the thickness of the sealing part 102 to prevent leakage, but also can prevent the sealing part 102 from being too thick and protruding outward to affect the overall shape of the battery.
As shown in fig. 2, the length of the leakage-proof structure 103 is 2-10mm, and if the length of the leakage-proof structure 103 is too short, the deformation length of the sealing portion during the roll groove sealing cannot be ensured; the leakage preventing structure 103 is too long, which increases the material required for producing the battery case and the production cost, and increases the overall volume of the battery, which affects the installation of the battery.
As shown in fig. 2, the length range of the sealing part 102 is the same as the length range of the leakage-proof structure 103, so that the leakage-proof structure 103 can be effectively arranged on the sealing part 102, and the deformation length of the rolling groove seal can be ensured.
As shown in fig. 2 and fig. 3, a novel lithium manganese needle-shaped battery comprises a battery case 1 and a battery negative electrode current collector 4, wherein the battery case 1 comprises a battery case body 100, the battery case body 100 is of an integrated structure, the battery case body 100 is provided with a case body 101 and a sealing part 102, the sealing part 102 is arranged at the upper end of the case body 101, an upper end opening of the sealing part 102 is arranged, the case body 101 is hollow and forms a containing cavity, the outer surface of the sealing part 102 is provided with a leakage-proof structure 103, and the leakage-proof structure 103 is a thickening layer integrally formed with the sealing part 102. The lower part of the battery negative current collector 4 is inserted in the containing cavity of the battery shell 1, and the upper part extends to the outside of the battery shell 1, be equipped with battery positive plate 5, diaphragm paper 6 and battery negative plate 7 between the surface of the battery negative current collector 4 lower part and the internal surface of the battery shell 1, the winding of battery negative plate 7 is at the surface of the battery negative current collector 4 lower part, the winding of diaphragm paper 6 is on the surface of battery negative plate 7, the winding of battery positive plate 5 is on the surface of diaphragm paper 6, still be equipped with sealing rubber plug 2 in the sealing portion 102 of the battery shell 1, the cover of sealing rubber plug 2 is established on the battery negative current collector 4. After the battery equipment is accomplished, need exert pressure to battery case sealing portion 102 and seal to form on sealing portion 102 by the inside sunken sealed slot rolling 3 of outside battery case, the utility model discloses, set up leak protection structure 103 on sealing portion 102 of battery case 1, shown leak protection structure 103 is used for increasing the thickness on the battery sealing portion 102, can play the production that prevents the sand eye, promotes product quality's effect.
As shown in fig. 3, the battery case 1 is made of aluminum, the thickness of the battery case 1 is 0.2-0.3mm, and the outer diameter of the battery case 1 is 2-10 mm. The aluminum material is a common battery shell material in the battery industry, and has wide source and low cost; the wall thickness range of the battery shell is 0.2-0.3mm, the outer diameter range of the battery shell is 2-10mm, the battery can be small enough, and the battery can be applied to various specific occasions, such as electronic luminous floats for fishing, business pens for night use, arrow tail indicating lamps for archery sports and the like.
As shown in fig. 3, the battery negative current collector 4 is made of stainless steel, copper or other metal alloy, and has a length range of 1-50mm and a diameter range of 0.6-2.0 mm. The battery positive plate 5 is a mixture of manganese dioxide and a conductive agent. The diaphragm paper 6 is made of PP or PE hair adhesive film. The material of the battery negative electrode sheet 7 is metal lithium.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations that are equivalent to those of the above-described embodiments may be made without departing from the scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. A novel battery case, including battery case body (100), its characterized in that: battery case body (100) formula structure as an organic whole, battery case body (100) are equipped with shell body (101) and sealing portion (102), sealing portion (102) set up the upper end at shell body (101), the upper end opening setting of sealing portion (102), shell body (101) cavity setting forms and holds the cavity, the surface of sealing portion (102) is equipped with leak protection structure (103), leak protection structure (103) are for the thickening layer with sealing portion (102) integrated into one piece.
2. The novel battery housing of claim 1, wherein: the thickness of the leakage-proof structure (103) is 0.05-0.5 mm.
3. The novel battery housing of claim 2, wherein: the setting length of the leakage-proof structure (103) is 2-10 mm.
4. The novel battery housing of claim 3, wherein: the length range of the sealing part (102) is the same as that of the leakage-proof structure (103).
5. A novel lithium manganese needle battery is characterized in that: including battery case (1) and battery negative pole mass flow body (4), battery case (1) be according to claim 1 to 4 battery case (1), the lower part of battery negative pole mass flow body (4) is inserted and is established in the holding cavity of battery case (1), and outside upper portion extended to battery case (1), be equipped with battery positive plate (5), diaphragm paper (6) and battery negative plate (7) between the surface of battery negative pole mass flow body (4) lower part and battery case (1) internal surface, battery negative plate (7) winding is at battery negative pole mass flow body (4) lower part surface, diaphragm paper (6) winding is on the surface of battery negative plate (7), the winding of battery positive plate (5) is on the surface of diaphragm paper (6), still be equipped with sealing rubber stopper (2) in sealing portion (102) of battery case (1), the sealing rubber plug (2) is sleeved on the battery negative current collector (4).
6. The novel lithium manganese needle battery of claim 5, characterized by: the battery shell (1) is made of aluminum, the wall thickness range of the battery shell (1) is 0.2-0.3mm, and the outer diameter range of the battery shell (1) is 2-10 mm.
7. The novel lithium manganese needle battery of claim 6, characterized by: the battery negative current collector (4) is made of stainless steel, copper or other metal alloys, and the diameter range is 0.6-2.0 mm.
8. The novel lithium manganese needle battery of claim 7, characterized by: the battery positive plate (5) is a mixture of manganese dioxide and a conductive agent.
9. The novel lithium manganese needle battery of claim 8, characterized by: the material of the diaphragm paper (6) is PP or PE hair adhesive film.
10. The novel lithium manganese needle battery of claim 9, characterized by: the battery negative plate (7) is made of metal lithium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950210.5U CN210167384U (en) | 2019-06-21 | 2019-06-21 | Novel battery shell and novel lithium-manganese needle-shaped battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950210.5U CN210167384U (en) | 2019-06-21 | 2019-06-21 | Novel battery shell and novel lithium-manganese needle-shaped battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167384U true CN210167384U (en) | 2020-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950210.5U Active CN210167384U (en) | 2019-06-21 | 2019-06-21 | Novel battery shell and novel lithium-manganese needle-shaped battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210167384U (en) |
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- 2019-06-21 CN CN201920950210.5U patent/CN210167384U/en active Active
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Effective date of registration: 20210430 Address after: 518000 No. 3039 Baoan North Road, Luohu District, Shenzhen, Guangdong. Patentee after: Huang Zaibo Address before: 516000 room 2504, building 43, longguangcheng South District, 88 southwest Avenue, Dayawan West District, Huizhou City, Guangdong Province (office only) Patentee before: Huizhou night guest Energy Technology Co.,Ltd. |