CN116154377A - Column type battery - Google Patents

Column type battery Download PDF

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Publication number
CN116154377A
CN116154377A CN202211463699.6A CN202211463699A CN116154377A CN 116154377 A CN116154377 A CN 116154377A CN 202211463699 A CN202211463699 A CN 202211463699A CN 116154377 A CN116154377 A CN 116154377A
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CN
China
Prior art keywords
shell
negative electrode
positive electrode
battery
cylindrical battery
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
Application number
CN202211463699.6A
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Chinese (zh)
Inventor
廖栋梁
廖栋霞
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202211463699.6A priority Critical patent/CN116154377A/en
Publication of CN116154377A publication Critical patent/CN116154377A/en
Pending legal-status Critical Current

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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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • 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
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The invention provides a column type battery, which comprises a main body assembly, wherein the main body assembly comprises a shell, positive and negative pole pieces and a diaphragm; the top of the shell is fixedly connected with an anode, and the top of the shell is fixedly connected with a cathode; the outer side wall of the shell is fixedly connected with a protection assembly, and the protection assembly comprises an insulation protection sleeve, a first through groove and a second through groove; the invention mainly designs a structure of the anode and the cathode which is convenient to be electrically connected with the outside, and the electrode of the battery can be fixed by adding the insulating protective sleeve on the cylindrical battery shell, so that the electrode of the battery is effectively prevented from being broken in the using process, the service life of the battery is prolonged, and under the condition of the shell breakage, the insulating protective sleeve can prevent electrolyte and heavy metal in the battery from leaking, and the influence of the electrolyte and the heavy metal on a human body is avoided.

Description

Column type battery
Technical Field
The invention relates to the technical field of batteries, in particular to a column type battery.
Background
With the development of electronic products and new energy automobiles, new electronic products put higher demands on the performance of batteries. The rectangular battery is easy to deform under the action of external force, and the column shape has better performance of bearing the external force and not deforming. Conventional steel-shelled cylindrical batteries have the disadvantages of being explosive, not waterproof and low in mass energy density, and are currently being replaced by polymer batteries with good safety and high energy density in some consumer electronics. Conventional polymer batteries are generally manufactured as square batteries, but with the advent of new electronic products such as shavers, point-to-read pens, page-turning pens, electric toothbrushes, atomizers and wireless headphones, the polymer batteries in these application scenarios are now beginning to be converted from square batteries to cylindrical batteries.
The current polymer cylindrical battery is easy to generate the condition of port damage in the use process, so that toxic organic matters, corrosive strong acid and heavy metal are atomized and enter a human body to cause injury to the human body, meanwhile, the number of times of bending the battery is limited, the battery is bent for many times under the unprotected condition and is easy to break, and the battery is damaged and cannot be used.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a cylindrical battery that solves or mitigates the technical problems of the prior art, and at least provides a beneficial choice.
The technical scheme of the embodiment of the invention is realized as follows: a cylindrical battery comprising a body assembly including a housing, a positive electrode, and a negative electrode;
the top of the shell is fixedly connected with a positive electrode, one end of the positive electrode penetrates through the top of the inner side wall of the shell, the top of the shell is fixedly connected with a negative electrode, and one end of the negative electrode penetrates through the top of the inner side wall of the shell;
the outer side wall of the shell is fixedly connected with a protection assembly, and the protection assembly comprises an insulation protection sleeve, a first through groove and a second through groove;
the casing is connected to the inner side wall of the insulation protective sleeve, and a first through groove and a second through groove are formed in the upper surface of the insulation protective sleeve.
Further preferred is: the positive electrode is fixedly connected with the inner side wall of the first through groove.
Further preferred is: the negative electrode is fixedly connected with the inner side wall of the second through groove.
Further preferred is: the shape of the negative electrode is a cylinder and/or a cube.
Further preferred is: the shape of the positive electrode is a cylinder and/or a cube.
Further preferred is: the negative electrode is raised, recessed or parallel relative to the insulating protective sleeve.
Further preferred is: the positive electrode is raised, recessed or parallel relative to the insulating protective sleeve.
Further preferred is: the negative electrode is used for being externally connected with a conductive ring or a conductive ring.
Further preferred is: the positive electrode is used for being externally connected with a conductive ring or a conductive ring.
Further preferred is: the negative electrode and the positive electrode are positioned at the same end.
Further preferred is: the negative electrode and the positive electrode are distributed in a left-right structure or an inside-outside structure.
Further preferred is: the insulation protective sleeve is provided with a pcb circuit board or a microphone, and the pcb circuit board or the microphone is connected with the anode and the cathode.
Further preferred is: the outside of the insulating protective sleeve is provided with a mark, and the mark is used for distinguishing positive and negative poles.
Further preferred is: the insulating protective sleeve is an elliptic cylinder, a cylindrical cylinder or a polygonal cylinder.
By adopting the technical scheme, the embodiment of the invention has the following advantages:
1. according to the invention, the insulation protective sleeve is added on the cylindrical battery shell, so that the poles of the battery can be fixed, the poles of the battery are effectively prevented from being broken in the using process, and the service life of the battery is prolonged.
2. According to the invention, under the condition that the shell is damaged, the insulating protective sleeve can prevent electrolyte and heavy metal in the battery from leaking, so that the influence of the electrolyte and the heavy metal on a human body is avoided, and meanwhile, the whole battery is sealed in the insulating protective sleeve, so that external air and moisture can be prevented from entering the battery, and the battery has better safety performance.
The cylindrical battery prepared by packaging is provided with the outer packaging and the insulating layer which are made of elastic materials because of no steel or aluminum shell, so that the problem that the explosion of the battery is damaged by the explosion-proof valve when the steel-shell battery is in short circuit can be solved.
The battery prepared by the invention increases the energy density, and the adoption of the deformable material as the outer packaging and insulating layer can effectively solve the problem that 10 percent of the volume of the columnar battery with the steel shell needs to be reserved for overcoming the volume change in the charge and discharge processes of the battery.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an insulating protective sleeve according to the present invention;
FIG. 2 is a diagram showing the structure in which the same ends of the positive electrode and the negative electrode are parallel to the insulating protective sheath in the first embodiment of the present invention;
FIG. 3 is a diagram showing the structure in which the same ends of the positive electrode and the negative electrode protrude from the insulating protective sleeve in the second embodiment of the present invention;
FIG. 4 is a schematic diagram showing a structure in which the same ends of the positive electrode and the negative electrode are recessed in an insulating protective sleeve in a third embodiment of the present invention;
FIG. 5 is a diagram showing an internal and external distribution structure of a fourth negative electrode and a positive electrode according to an embodiment of the present invention;
FIG. 6 is an internal cross-sectional structural view of the present invention;
FIG. 7 is a diagram showing a structure in which the positive electrode and the negative electrode are parallel to the insulating protective sheath;
FIG. 8 is a diagram showing a structure in which the positive electrode and the negative electrode are parallel to the insulating protective sheath;
FIG. 9 is a partial cross-sectional view of the insulating sleeve and first channel of the present invention;
fig. 10 is a block diagram of an insulation shield and a second through slot of the present invention.
Reference numerals: 10. a body assembly; 15. a housing; 16. a positive electrode; 17. a negative electrode; 20. a protective assembly; 21. an insulating protective sleeve; 22. a first through groove; 23. and a second through slot.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one:
as shown in fig. 1 to 10, an embodiment of the present invention provides a cylindrical battery including a body assembly 10, the body assembly 10 including a case 15, a positive electrode 16, and a negative electrode 17;
the top of the shell 15 is fixedly connected with a positive electrode 16, one end of the positive electrode 16 penetrates through the top of the inner side wall of the shell 15, the top of the shell 15 is fixedly connected with a negative electrode 17, and one end of the negative electrode 17 penetrates through the top of the inner side wall of the shell 15;
the outer side wall of the shell 15 is fixedly connected with a protective assembly 20, and the protective assembly 20 comprises an insulating protective sleeve 21, a first through groove 22 and a second through groove 23;
the casing 15 is connected to the inner side wall of the insulation protection sleeve 21, and a first through groove 22 and a second through groove 23 are formed in the upper surface of the insulation protection sleeve 21.
As shown in fig. 9, in this embodiment, specifically: the positive electrode 16 is fixedly connected to the inner side wall of the first through groove 22.
As shown in fig. 10, in this embodiment, specifically: the negative electrode 17 is fixedly connected with the inner side wall of the second through groove 23.
As shown in fig. 6 to 10, in this embodiment, specifically: the shape of the negative electrode 17 is a cube.
As shown in fig. 6 to 10, in this embodiment, specifically: the positive electrode 16 is cubic in shape.
As shown in fig. 2 and 7, in this embodiment, specific: the negative electrode 17 is parallel to the insulating sheath 21.
As shown in fig. 2 and 7, in this embodiment, specific: the positive electrode 16 is parallel to the insulating sheath 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are parallel to the surface of the insulating sheath 21.
In this embodiment, specific: a negative electrode 17 for circumscribing the conductive ring or rings.
In this embodiment, specific: a positive electrode 16 for circumscribing a conductive ring or ring.
In this embodiment, specific: the negative electrode 17 and the positive electrode 16 are positioned at the same end ， One pole is led to the direction of the other pole through a lead so that the positive and negative poles are positioned on the same side.
In this embodiment, specific: the negative electrode 17 and the positive electrode 16 are distributed in a left-right configuration.
In this embodiment, specific: the insulation protection sleeve 21 is provided with a PCB circuit board or a microphone, the PCB circuit board or the microphone is connected with the anode and the cathode, the PCB circuit board or the microphone is selected from a known public authorized invention (CN 201621017331.7) for an automatic cigarette lighting module for electronic cigarettes and the electronic cigarettes using the module, and the PCB board component and the microphone (not described in detail) are provided in the module.
In this embodiment, specific: the outside of the insulating protective cover 21 is provided with a mark for distinguishing the positive and negative electrodes.
In this embodiment, specific: the insulating protective sleeve 21 is an elliptic, cylindrical column or a polygonal column; the polygonal column is like a common electronic cigarette lithium battery (not described in detail).
As shown in fig. 2, 7, and 8, the thickness of the insulating sheath 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process so that the surfaces of the positive electrode 16 and the negative electrode 17 are leveled with the surface on which the insulating sheath 21 is designed.
Embodiment two:
in this embodiment, specific: the negative electrode 17 is raised with respect to the insulating sheath 21.
In this embodiment, specific: the positive electrode 16 is raised relative to the insulating protective cover 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are raised relative to the surface of the insulating protective cover 21.
As shown in fig. 3 and 9, the thickness of the insulating sheath 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process, so that the positive electrode 16 and the negative electrode 17 protrude with respect to the surface of the insulating sheath 21.
Embodiment III:
in this embodiment, specific: the negative electrode 17 is recessed relative to the insulating sheath 21.
In this embodiment, specific: the positive electrode 16 is recessed with respect to the insulating sheath 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are recessed with respect to the surface of the insulating sheath 21.
As shown in fig. 4 and 10, the thickness of the insulating protective cover 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process, so that the surfaces of the positive electrode 16 and the negative electrode 17 are recessed with respect to the surface of the insulating protective cover 21.
Embodiment four:
as shown in figure 5 of the drawings,
in this embodiment, specific: the negative electrode 17 is cylindrical in shape.
In this embodiment, specific: the positive electrode 16 is cylindrical in shape.
In this embodiment, specific: the negative electrode 17 and the positive electrode 16 are distributed in an internal and external structure.
The invention works when in work: the positive electrode 16 and the negative electrode 17 at two ends are protected through the insulating protective sleeve 21, the two end polar posts are prevented from being damaged by external force, the service life of the battery is prolonged, the insulating protective sleeve 21 can prevent electrolyte and heavy metal inside the battery from leaking, the electrolyte and the heavy metal are prevented from affecting the human body, meanwhile, the whole battery is sealed inside the insulating protective sleeve 21, external air and moisture can be prevented from entering the battery, the safety is better, the size of the insulating protective sleeve 21 can be customized according to different use conditions, the use requirements under different environments are met, and the practicability of the cylindrical battery is improved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (12)

1. A cylindrical battery comprising a body assembly (10), characterized in that: the main body assembly (10) comprises a shell (15), a positive electrode (16) and a negative electrode (17);
the top of the shell (15) is fixedly connected with a positive electrode (16), one end of the positive electrode (16) penetrates through the top of the inner side wall of the shell (15), the top of the shell (15) is fixedly connected with a negative electrode (17), and one end of the negative electrode (17) penetrates through the top of the inner side wall of the shell (15);
the outer side wall of the shell (15) is fixedly connected with a protection assembly (20), and the protection assembly (20) comprises an insulation protection sleeve (21), a first through groove (22) and a second through groove (23);
the shell (15) is connected to the inner side wall of the insulation protection sleeve (21), and a first through groove (22) and a second through groove (23) are formed in the upper surface of the insulation protection sleeve (21).
2. A cylindrical battery according to claim 1, wherein: the positive electrode (16) is fixedly connected with the inner side wall of the first through groove (22).
3. A cylindrical battery according to claim 1, wherein: the negative electrode (17) is fixedly connected with the inner side wall of the second through groove (23).
4. A cylindrical battery according to claim 1, wherein: the negative electrode (17) is raised, recessed or parallel relative to the insulating protective sleeve (21).
5. A cylindrical battery according to claim 1, wherein: the positive electrode (16) is raised, recessed or parallel relative to the insulating protective sleeve (21).
6. A cylindrical battery according to claim 4, wherein: the negative electrode (17) is used for externally connecting a conductive ring or a conductive ring.
7. A cylindrical battery according to claim 5, wherein: the positive electrode (16) is used for externally connecting a conductive ring or a conductive ring.
8. A cylindrical battery according to claim 1, wherein: the negative electrode (17) and the positive electrode (16) are positioned at the same end.
9. A cylindrical battery according to claim 1, wherein: the negative electrode (17) and the positive electrode (16) are distributed in a left-right structure or an inside-outside structure.
10. A cylindrical battery according to claim 1, wherein: the insulation protection sleeve (21) is provided with a pcb circuit board or a microphone, and the pcb circuit board or the microphone is connected with the anode and the cathode.
11. A cylindrical battery according to claim 1, wherein: the outside of the insulating protective sleeve (21) is provided with a mark, and the mark is used for distinguishing positive and negative poles.
12. A cylindrical battery according to claim 1, wherein: the insulating protective sleeve (21) is an elliptic cylinder, a cylindrical cylinder or a polygonal cylinder.
CN202211463699.6A 2022-11-22 2022-11-22 Column type battery Pending CN116154377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211463699.6A CN116154377A (en) 2022-11-22 2022-11-22 Column type battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211463699.6A CN116154377A (en) 2022-11-22 2022-11-22 Column type battery

Publications (1)

Publication Number Publication Date
CN116154377A true CN116154377A (en) 2023-05-23

Family

ID=86351453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211463699.6A Pending CN116154377A (en) 2022-11-22 2022-11-22 Column type battery

Country Status (1)

Country Link
CN (1) CN116154377A (en)

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