CN111244525A - Bullet-shaped battery - Google Patents
Bullet-shaped battery Download PDFInfo
- Publication number
- CN111244525A CN111244525A CN202010063495.8A CN202010063495A CN111244525A CN 111244525 A CN111244525 A CN 111244525A CN 202010063495 A CN202010063495 A CN 202010063495A CN 111244525 A CN111244525 A CN 111244525A
- Authority
- CN
- China
- Prior art keywords
- battery
- bullet
- pole piece
- core
- cavity
- 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.)
- Pending
Links
- 239000003792 electrolyte Substances 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention belongs to the technical field of battery manufacturing, in particular to a bullet-shaped battery, which comprises a battery shell, wherein the battery shell comprises a lower cavity and an upper cavity, the interior of the battery shell can be arranged by adopting various schemes, one scheme is that a winding core wound by a rectangular pole piece is arranged in the upper cavity, and the lower cavity is filled with electrolyte, so that the characteristics of long service life and high multiplying power are realized; the other type is a winding core structure which is flat at the upper part and convex at the lower part and is wound by adopting a trapezoidal or trapezoid-like pole piece, the design capacity of the battery core is increased, and the battery core in the shape of the bullet head is suitable for a small-sized wireless Bluetooth headset, so that the service life of a product is prolonged or the service life of a product battery is prolonged.
Description
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a bullet-shaped battery cell.
Background
The appearance of present small-size wireless bluetooth headset is various, and in order to adapt to the appearance of product, the space that is used for depositing the battery is not necessarily the regular hexahedron of side, like cuboid or square, also probably is that the cross sectional shape is trapezoidal polyhedron. If the space with a special shape still uses a common rectangular battery cell, the following defects can exist: the battery cell storage space reserved by the rectangular battery cell cannot be fully utilized, so that the battery cell design capacity is low, and the equipment standby time is short.
Therefore, there is a need for a cell that can better accommodate product appearance while increasing cell design capacity.
Disclosure of Invention
In order to solve the problems, the invention provides a bullet-shaped battery which can maximally utilize the reserved space of a battery cavity of a small wireless Bluetooth headset, improve the design capacity of a battery core, prolong the service life of the battery and increase the multiplying power.
In order to achieve the purpose, the invention adopts the following technical scheme:
the bullet-shaped battery is characterized by comprising a battery shell, a battery core and a lug, wherein the upper part of the battery shell is a cylinder, the lower part of the battery shell is protruded and comprises a lower cavity and an upper cavity, the lower cavity is of a protruded structure, and the upper cavity is of a cylinder structure; the battery case is internally provided with a battery core and electrolyte, the battery core is made by winding a rectangular pole piece or a trapezoidal pole piece, one end of the lug is connected with the battery core, and the other end of the lug extends out of the battery case.
Furthermore, the lower part of the battery shell is any one of a cone, a circular truncated cone or a truncated pyramid.
Further, the lower cavity is any one of a cone or a circular truncated cone.
Furthermore, the battery core adopts a rectangular pole piece as a battery core pole piece, and the lower cavity is an electrolyte storage cavity.
Furthermore, the battery core adopts a trapezoidal pole piece as a battery core pole piece, the upper part of the battery core is cylindrical, and the lower part of the battery core is conical or similar conical.
Furthermore, the trapezoid pole piece is a right-angle trapezoid or a trapezoid-like pole piece.
Furthermore, the upper edge of the battery shell is provided with a hole.
Furthermore, the tab is led out from the center of the battery cell.
The invention has the beneficial effects
The invention provides a bullet-shaped battery cell which is suitable for a narrow battery cavity of equipment, in the same space, the reserved space of the equipment is used to the maximum extent, and the design capacity of the cell is improved, so that the standby time of the equipment is prolonged, and the problem of short standby time of the equipment caused by the limitation of the capacity of the battery is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional view of a cylindrical cell of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
fig. 4 is a schematic cross-sectional view of a bullet cell of the present invention;
description of reference numerals: the battery comprises an upper battery cell 1, a lower battery cell 2, a laminated negative plate 3, a laminated positive plate 4, a diaphragm 5 and a connecting part 6.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout, which are exemplary only and are not to be construed as limiting the invention, and the description is thus for illustrative purposes only, and thus the practice of the inventive concepts herein is not limited solely to the exemplary embodiments described herein and the illustrations in the drawings, and the drawings are not to be construed as limiting.
As shown in fig. 1-2
Example 1
The bullet-shaped battery is characterized by comprising a battery shell, a battery core and a lug, wherein the upper part of the battery shell is a cylinder, the lower part of the battery shell is protruded and comprises a lower cavity and an upper cavity, the lower cavity is of a protruded structure, and the upper cavity is of a cylinder structure; the battery shell is internally provided with an electric core and electrolyte, the electric core is made by winding a rectangular pole piece or a trapezoidal pole piece, one end of a lug is connected with the electric core, the other end of the lug extends out of the battery shell, the lower part of the battery shell is a prismatic table, a lower cavity is a round table, the electric core adopts the rectangular pole piece as an electric core pole piece, the lower cavity is an electrolyte storage cavity, the upper edge of the battery shell is provided with a hole for leading the lug out of the shell, and the connecting end of the lug and the electric core is positioned at.
The production and manufacture can be carried out by the battery processing method in the prior art.
As shown in fig. 3-4
Example 2
The bullet-shaped battery is characterized by comprising a battery shell, a battery core and a lug, wherein the upper part of the battery shell is a cylinder, the lower part of the battery shell is protruded and comprises a lower cavity and an upper cavity, the lower cavity is of a protruded structure, and the upper cavity is of a cylinder structure; the battery case is internally provided with an electric core and electrolyte, the electric core is made by winding a rectangular pole piece or a trapezoidal pole piece, one end of a lug is connected with the electric core, the other end of the lug extends out of the battery case, the lower part of the battery case is a round table, a lower cavity is a cone, the electric core adopts the trapezoidal pole piece as the pole piece of the electric core, the upper part of the structure formed by winding the electric core is cylindrical, the lower part of the structure is a cone, the trapezoidal pole piece is a right-angled trapezoidal pole piece, the upper edge of the battery case is provided with a hole, and the lug is led out from the.
Example 3
The bullet-shaped battery is characterized by comprising a battery shell, a battery core and a lug, wherein the upper part of the battery shell is a cylinder, the lower part of the battery shell is protruded and comprises a lower cavity and an upper cavity, the lower cavity is of a protruded structure, and the upper cavity is of a cylinder structure; the battery shell is internally provided with an electric core and electrolyte, the electric core is made by winding a rectangular pole piece or a trapezoidal pole piece, one end of a lug is connected with the electric core, the other end of the lug extends out of the battery shell, the lower part of the battery shell is a round table, a lower cavity is a cone, the electric core adopts the trapezoidal pole piece as the pole piece of the electric core, the upper part of the structure formed by winding the electric core is cylindrical, the lower part of the structure is conical, the trapezoidal pole piece is a trapezoidal pole piece similar to the pole piece, the upper edge of the battery shell is provided with a hole, and the lug is led.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (8)
1. The bullet-shaped battery is characterized by comprising a battery shell, a battery core and a lug, wherein the upper part of the battery shell is a cylinder, the lower part of the battery shell is protruded and comprises a lower cavity and an upper cavity, the lower cavity is of a protruded structure, and the upper cavity is of a cylinder structure; the battery case is internally provided with a battery core and electrolyte, the battery core is made by winding a rectangular pole piece or a trapezoidal pole piece, one end of the lug is connected with the battery core, and the other end of the lug extends out of the battery case.
2. The bullet-shaped battery according to claim 1, wherein said lower battery case portion is any one of a cone, a truncated cone, and a truncated pyramid.
3. The bullet-shaped battery according to claim 1, wherein said lower chamber is any one of conical and truncated conical.
4. The bullet-shaped battery according to claim 1, wherein said cell has rectangular pole pieces as cell pole pieces, and said lower chamber is an electrolyte storage chamber.
5. The bullet-shaped battery according to claim 1, wherein the battery core adopts trapezoidal pole pieces as pole pieces of the battery core, and the upper portion of the battery core is cylindrical and the lower portion of the battery core is conical or cone-like.
6. The bullet-shaped battery according to claim 1, wherein said trapezoidal pole pieces are right-angled trapezoidal or trapezoid-like pole pieces.
7. The bullet-shaped battery according to claim 1, wherein said battery case has a hole formed at an upper edge thereof.
8. The bullet-shaped battery according to claim 1, wherein the tab is led out from the center of the battery core or from both ends of the pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063495.8A CN111244525A (en) | 2020-01-20 | 2020-01-20 | Bullet-shaped battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063495.8A CN111244525A (en) | 2020-01-20 | 2020-01-20 | Bullet-shaped battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111244525A true CN111244525A (en) | 2020-06-05 |
Family
ID=70879657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010063495.8A Pending CN111244525A (en) | 2020-01-20 | 2020-01-20 | Bullet-shaped battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111244525A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764794A (en) * | 2021-06-04 | 2021-12-07 | 广州倬粤电能科技有限公司 | Novel horizontal structure battery case |
| CN114300796A (en) * | 2021-12-30 | 2022-04-08 | 三一技术装备有限公司 | Battery with a battery cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340021A (en) * | 2010-07-16 | 2012-02-01 | 苹果公司 | Design and construction of non-rectangular batteries |
| KR20170054347A (en) * | 2017-04-28 | 2017-05-17 | 주식회사 엘지화학 | Electrode assembly and Method of forming electrode assemly, Secondary battery and Method of forming secondary battery |
| CN211700451U (en) * | 2020-01-20 | 2020-10-16 | 惠州惠峰科技有限公司 | Bullet-shaped battery |
-
2020
- 2020-01-20 CN CN202010063495.8A patent/CN111244525A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340021A (en) * | 2010-07-16 | 2012-02-01 | 苹果公司 | Design and construction of non-rectangular batteries |
| KR20170054347A (en) * | 2017-04-28 | 2017-05-17 | 주식회사 엘지화학 | Electrode assembly and Method of forming electrode assemly, Secondary battery and Method of forming secondary battery |
| CN211700451U (en) * | 2020-01-20 | 2020-10-16 | 惠州惠峰科技有限公司 | Bullet-shaped battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764794A (en) * | 2021-06-04 | 2021-12-07 | 广州倬粤电能科技有限公司 | Novel horizontal structure battery case |
| CN113764794B (en) * | 2021-06-04 | 2023-06-06 | 广州倬粤电能科技有限公司 | Novel horizontal structure battery box |
| CN114300796A (en) * | 2021-12-30 | 2022-04-08 | 三一技术装备有限公司 | Battery with a battery cell |
| CN114300796B (en) * | 2021-12-30 | 2024-05-28 | 三一技术装备有限公司 | Battery cell |
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