CN115395164A - Single battery, battery pack and battery pack - Google Patents
Single battery, battery pack and battery pack Download PDFInfo
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- CN115395164A CN115395164A CN202211129759.0A CN202211129759A CN115395164A CN 115395164 A CN115395164 A CN 115395164A CN 202211129759 A CN202211129759 A CN 202211129759A CN 115395164 A CN115395164 A CN 115395164A
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- battery pack
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- locking mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract 3
- 238000010168 coupling process Methods 0.000 claims abstract 3
- 238000005859 coupling reaction Methods 0.000 claims abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 239000011344 liquid material Substances 0.000 abstract description 2
- 239000012782 phase change material Substances 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing 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
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a single battery, group battery and battery package, single battery includes the shell, the core, the connection piece, the end cover, plastic support, single battery is whole prismatic, the cross-section is nearly triangle-shaped, square or regular hexagon, one of them corner is the arc surface, battery case is wrapped up and is had the heat dissipation membrane, the core is lamination formula or coiling formula, single battery passes through coupling mechanism connection group and is the group battery, single battery has the one corner of arc surface inwards, all single battery's arc surface constitutes a round hole that is used for putting into the cooling tube when several single battery close, the group battery combination is the battery package. The battery pack and the battery pack assembled by the single batteries have no gap, so that a power battery pack system with high space utilization rate and high heat dissipation performance is manufactured; the heat conducting pipe is arranged in the middle of the battery pack, and after the heat conducting pipe is connected with the cooling system, heat can be dissipated or heated for the battery pack through the flowing of gas, liquid or phase-change materials, so that the performance of the battery is improved.
Description
Technical Field
The invention relates to the field of power batteries, in particular to a single battery, a battery pack and a battery pack.
Background
The clean energy industries such as new energy automobiles and the like have been developed into the domestic strut industry, the total output value of related enterprises at upstream and downstream reaches nearly trillion yuan, the scale of the enterprises is advanced globally, and a large number of excellent enterprises are created. Besides new energy automobiles, energy storage power stations matched with wind power and photovoltaic industries are also required to be vigorous, and core components of the new energy automobiles or the energy storage power stations are new energy batteries. In 1-7 months, the production and sale of new energy automobiles in China reach 327.9 million and 319.4 million respectively, the comparable growth is 1.2 times, and the market share reaches 22.1%. In the main varieties of new energy automobiles, the production and sales of pure electric automobiles, plug-in hybrid electric automobiles and fuel cell automobiles keep high-speed growth potential compared with the same period of the last year. In 2021, the global power battery loading exceeds 280Gwh, and 3000Gwh is predicted to be reached in 2030. In 2021, the energy storage project bid amount is 18GWH, in 2025, more than 50Gwh is estimated, and the large environment determines that the new energy battery industry is in the period of blowout development.
The new energy battery comprises a lithium ion battery, a sodium ion battery, a solid-state battery and a quasi-solid-state battery. Structurally, the battery is divided into a cylindrical battery, a square aluminum shell battery and a soft package battery. The market share of the cylindrical batteries is below 6 percent, the maximum size of the batteries produced by the leadership enterprises is 4680 type, but in general, the single capacity is low, the connection cost is high and the energy density of the battery pack is low. The soft package battery shell adopts an aluminum-plastic film package, and the expansion resistance and the environmental reliability of the soft package battery shell are far inferior to those of cylindrical and square aluminum-shell batteries. Conventional aluminum-can cells have either low yield, poor heat dissipation, or low energy density.
Disclosure of Invention
The invention aims to provide a single battery, a battery pack and a battery pack, which solve the defect of low energy density of the conventional battery and also solve the defect of inconvenience in mounting a radiating pipe in the battery pack.
The object of the invention is achieved in the following way: a single battery comprises a shell, a core body, a connecting sheet, an end cover and a plastic bracket, wherein the single battery is integrally prismatic, the section of the single battery is nearly triangular, square or regular hexagon, and one corner of the single battery is an arc surface; the shell is a hollow body with a bottom or without a bottom, an end cover is buckled at the upper port of the shell with a bottom, the end covers are respectively buckled at the upper port and the lower port of the shell without a bottom, terminals which penetrate through the inner side and the outer side of the end cover and are correspondingly connected with the positive pole and the negative pole of the core body through plastic insulating materials with the end covers are arranged on the end covers, and the terminals of the positive pole and the terminals of the negative pole are arranged alternately; a laminated or wound core body is arranged in an inner cavity of the shell, tabs respectively connected with the anode and the cathode are arranged on the outer side of the core body, a plastic support is arranged at a corner of the inner cavity of the shell, which is far away from the arc surface, a connecting sheet is clamped and fixed through the plastic support, the tabs are welded with the connecting sheet, and the connecting sheets of the anode and the cathode are welded with corresponding terminals of the anode and the cathode; the cover plate is provided with a rectangular connecting groove at one corner close to the arc surface, the bottom of the connecting groove is provided with a space extending towards the side edge, the space can be formed by outward expanding of the bottom part of the thickness of the connecting groove on the cover plate, and can also be formed by a gap between the cover plate and the core body and used for enabling the locking machine hook to enter and hook on the connecting groove.
The shell is wrapped with a layer of heat dissipation film which is a graphene film, a silicon carbide film or a graphite film made of nonmetal materials.
The battery pack comprises single batteries, a connecting mechanism and a radiating pipe, wherein one corner of each single battery with an arc surface is inwards closed, the arc surfaces of all the single batteries form a circular hole when the single batteries are closed, and the cylindrical radiating pipe is placed in the circular hole; the battery pack is characterized in that the battery pack is provided with a connecting mechanism consisting of a connecting disc and locking mechanisms, a radiating pipe extending hole is formed in the center of the connecting disc, the locking mechanisms corresponding to each single battery are uniformly distributed in the circumferential direction of the connecting disc, each locking mechanism is aligned to a connecting groove corresponding to each single battery and clamped and locked, the radiating pipe extends out of the radiating pipe extending hole correspondingly, a plurality of single batteries are assembled together to form the battery pack, and the connecting mechanism is arranged at the upper end, the lower end or the upper end and the lower end of each single battery.
The locking mechanism is composed of a locking plate, a guide shaft and a pressure spring, the locking plate is an L-shaped body formed by laterally connecting locking hooks at the lower ends of vertical plates, a boss is arranged at the top of each vertical plate, a through hole is formed in the middle of each vertical plate, the locking hooks of the two vertical plates are oppositely arranged back to back, the guide shaft penetrates through the through holes of the two vertical plates, the pressure spring is sleeved on the guide shaft, and two ends of the pressure spring are correspondingly supported on the inner side surfaces of the two vertical plates; the connection pad is close to circumference edge and is equipped with the locking mechanism mounting groove along circumference equipartition, and the quantity of locking mechanism mounting groove equals with the monomer battery quantity that constitutes the group battery, and locking mechanism places in the locking mechanism mounting groove from above, and the boss of locking plate supports the both sides at the locking mechanism mounting groove. The prismatic single batteries with the approximately triangular cross sections form a battery pack which needs 6 single batteries, and the overall shape of the battery pack is hexagonal prism-shaped; 4 prismatic single batteries with approximately square cross sections are needed to form the battery pack, and the overall shape of the battery pack is quadrangular; 3 prismatic single batteries with the cross sections close to regular hexagon are needed to form the battery pack, and the overall shape of the battery pack is in a plum-blossom prism shape.
A plurality of battery packs are closely and densely arranged to form a battery pack, and the battery pack is formed by electrically connecting a plurality of battery packs in series and parallel.
And the single batteries are fixedly connected together by the screws which are connected with the screw threads on the cover plate through the screw holes on the connecting strip or the connecting plate.
Compared with the prior art, the invention has the following effects: the single batteries are triangular, square and hexagonal in cross section, and a battery pack assembled by the single batteries have no gap and highest energy density; the heat conduction pipe is arranged in the middle of the battery pack formed by the single batteries, and after the heat conduction pipe is connected with the cooling system, the heat conduction pipe can radiate or heat the battery pack through the flowing of gas, liquid or phase-change materials, so that the performance of the battery is improved; the connecting mechanism can reliably and conveniently connect the single batteries together to form a battery pack to form the battery unit.
Drawings
Fig. 1 is a schematic end view of a battery pack formed by triangular single batteries.
Fig. 2 is an internal configuration diagram of a triangular unit cell.
Fig. 3 is a schematic view of the external structure of the upper end of a triangular unit cell.
Fig. 4 is an external view of a triangular core.
Fig. 5 is a structural view of the connection mechanism.
Fig. 6 is a structural view of the latch in the connecting mechanism.
Fig. 7 is a schematic end view of a battery pack formed of square unit batteries.
Fig. 8 is a schematic end view of a battery pack formed of hexagonal unit cells.
In the figure: 1-a single cell; 11-a housing; 12-a core; 121-pole ear; 13-connecting piece; 14-an end cap; 141-a connecting groove; 142-a terminal; 143-threaded hole; 15-plastic support; 16-a heat dissipation film; 17-arc surface; 2-a battery pack; 3-a battery pack; 4-a connection mechanism; 41-connecting disc; 42-radiating pipe extending holes; 43-a locking mechanism; 431-a locking plate; 432-a guide shaft; 433-a pressure spring; 44-locking mechanism mounting groove; 5-radiating pipe.
Detailed Description
Example 1
Referring to fig. 2-4, a single battery comprises a shell 11, a core 12, a connecting sheet 13, an end cover 14 and a plastic bracket 15, wherein the single battery 1 is prism-shaped as a whole, the cross section of the single battery is approximately triangular, and one corner of the single battery is an arc surface 17; the shell 11 is a hollow body with a bottom or without a bottom, an end cover 14 is buckled on the upper port of the shell 11 with a bottom, the end cover 14 is buckled on the upper port and the lower port of the shell 11 without a bottom respectively, a terminal 142 which penetrates through the inner side and the outer side of the end cover 14 and is correspondingly connected with the positive pole and the negative pole of the core body 12 through plastic insulating materials with the end cover 14 is arranged on the end cover 14, and the terminal 142 of the positive pole and the terminal 142 of the negative pole are arranged alternately; a laminated or wound core body 12 is arranged in the inner cavity of the shell 11, tabs 121 connected with the positive electrode and the negative electrode are arranged on the outer side of the core body 12, a plastic support 15 is arranged at a corner of the inner cavity of the shell 11, which is far away from the arc surface 17, a connecting sheet 13 is clamped and fixed through the plastic support 15, the tabs 121 are welded with the connecting sheet 13, and the connecting sheets 13 of the positive electrode and the negative electrode are welded with the corresponding terminals 142 of the positive electrode and the negative electrode; a rectangular connecting groove 141 is arranged at one corner of the cover plate 14 close to the arc surface 17, and the bottom of the connecting groove 141 is provided with a space extending towards the side edge; the shell 11 is covered with a layer of heat dissipation film 16, and the heat dissipation film 16 is a graphene film, a silicon carbide film or a graphite film made of a non-metallic material.
Referring to fig. 1, 5 and 6, the battery pack 2 is composed of single batteries 1, a connecting mechanism 4 and a radiating pipe 5, wherein one corner of each single battery 1 with an arc surface 17 is inwardly closed, the arc surfaces 17 of all the single batteries 1 form a circular hole when the 6 single batteries 1 are closed, and the cylindrical radiating pipe 5 is placed in the circular hole; there is a connection mechanism 4 formed by a connection plate 41 and locking mechanisms 43, the center of the connection plate 41 is provided with a heat radiation pipe extending hole 42, 6 locking mechanisms 43 are uniformly distributed on the circumference of the connection plate 41, each locking mechanism 43 is aligned with the connection groove 141 of the corresponding single battery 1 to be clamped and locked, the heat radiation pipe 5 extends from the heat radiation pipe extending hole 42, the 6 single batteries 1 are assembled together to form the battery pack 2, and the connection mechanism 4 is arranged at the upper end, the lower end or the upper and lower ends of the single battery 1.
Referring to fig. 6, the locking mechanism 43 is composed of a locking plate 431, a guide shaft 432 and a pressure spring 433, the locking plate 431 is an L-shaped body formed by laterally connecting locking hooks to the lower end of a vertical plate, a boss is arranged at the top of the vertical plate, a through hole is formed in the middle of the vertical plate, the locking hooks of the two vertical plates are oppositely arranged back to back, the guide shaft 432 penetrates through the through holes of the two vertical plates, the pressure spring 433 is sleeved on the guide shaft 432, and two ends of the pressure spring 433 are correspondingly supported on the inner side surfaces of the two vertical plates; locking mechanism mounting grooves 44 are uniformly distributed on the connecting disc 41 close to the circumferential edge along the circumferential direction, the number of the locking mechanism mounting grooves 44 is 6, locking mechanisms 43 are placed in the locking mechanism mounting grooves 44 from the top, and bosses of the locking plate 431 are supported on two sides of the locking mechanism mounting grooves 44; during installation, the locking mechanism 43 is aligned with the connecting groove 141 corresponding to the single battery 1 and pressed down, two locking hooks corresponding to each connecting groove 141 and arranged oppositely enter the connecting groove 141, the two locking hooks are respectively hooked on the bottom surface of the end part of the connecting groove 141 in the length direction, the locking mechanism 43 and the single battery 1 are fixed together, and all the single batteries 1 are connected and fixed together through the connecting disc 41.
In the embodiment, the prismatic single batteries 1 with triangular sections and the scheme for forming the battery pack 2 and the battery pack 3 are described, wherein the battery pack 2 formed by 6 single batteries 1 is hexagonal prism-shaped; the battery packs 2 are closely and densely arranged to form a battery pack 3, and the battery pack 3 is formed by connecting a plurality of battery packs 2 in series and parallel; in addition, a connecting bar or a connecting plate with screw holes is provided, the cover plate 14 of the single batteries 1 is provided with screw holes 143, and screws are connected with the screw holes on the connecting bar or the connecting plate and the screw threads 143 on the cover plate to fixedly connect the single batteries 1 together, as shown in fig. 1.
Example 2
Referring to fig. 2-7, the whole single battery 1 is prismatic, the cross section is approximately square, a battery pack 2 is formed by 4 single batteries 1, and a battery pack 3 is formed by the battery pack 2; the battery pack 2 is quadrangular, and the connecting mechanism 4 is provided with 4 locking mechanisms 43 for locking the 4 single batteries 1 together. The other portions are the same as in example 1.
Example 3
Referring to fig. 2-6 and 8, the single batteries 1 are prismatic as a whole, the cross sections of the single batteries are nearly regular hexagons, 3 single batteries 1 form a battery pack 2, and then the battery pack 2 is combined into a battery pack 3; the battery pack 2 is in a quincuncial prism shape as a whole, and the connecting mechanism 4 is provided with 3 locking mechanisms 43 for locking 3 single batteries 1 together. The other portions are the same as in example 1.
Claims (6)
1. The utility model provides a single battery, includes shell, core, connection piece, end cover and plastic support, its characterized in that: the single battery (1) is integrally prismatic, the section of the single battery is approximately triangular, square or regular hexagon, and one corner of the single battery is an arc surface (17); the shell (11) is a hollow body with a bottom or without a bottom, an end cover (14) is buckled at the upper end opening of the shell (11) with a bottom, the end cover (14) is buckled at the upper end opening and the lower end opening of the shell (11) without a bottom respectively, a terminal (142) which penetrates through the inner side and the outer side of the end cover (14) and is correspondingly connected with the anode and the cathode of the core body (12) and separated from the end cover (14) by plastic insulating materials is arranged on the end cover (14), and the terminal (142) of the anode and the terminal (142) of the cathode are arranged alternately; a laminated or wound core body (12) is arranged in an inner cavity of a shell (11), tabs (121) connected with the anode and the cathode are arranged on the outer side of the core body (12), a plastic support (15) is arranged at a corner of the inner cavity of the shell (11) far away from an arc surface (17), connecting pieces (13) are clamped and fixed through the plastic support (15), the tabs (121) are welded with the connecting pieces (13), and the connecting pieces (13) of the anode and the cathode are welded with corresponding terminals (142) of the anode and the cathode; a rectangular connecting groove (141) is arranged at one corner of the cover plate (14) close to the arc surface (17), and the bottom of the connecting groove (141) is provided with a space extending towards the side edge.
2. The cell according to claim 1, wherein: the shell (11) is wrapped with a layer of heat dissipation film (16), and the heat dissipation film (16) is a graphene film, a silicon carbide film or a graphite film made of nonmetal materials.
3. A battery pack composed of the unit cells according to claim 1 or 2, characterized in that: the battery pack (2) consists of single batteries (1), a connecting mechanism (4) and a radiating pipe (5), wherein one corner of each single battery (1) with an arc surface (17) is inwardly closed, the arc surfaces (17) of all the single batteries (1) form a round hole when the single batteries (1) are closed, and the cylindrical radiating pipe (5) is placed in the round hole; there is a coupling mechanism (4) that constitutes by connection pad (41) and locking mechanism (43), the center of connection pad (41) is equipped with the cooling tube and stretches out hole (42), connection pad (41) circumference equipartition is equipped with locking mechanism (43) that correspond every battery cell (1), every locking mechanism (43) are aimed at connecting groove (141) card that correspond battery cell (1) and are locked, cooling tube (5) correspond and stretch out from cooling tube stretch out hole (42), a plurality of battery cell (1) assemble together and have formed group battery (2), coupling mechanism (4) device is at the upper end of battery cell (1), lower extreme or both ends from top to bottom.
4. The battery pack according to claim 3, characterized in that: the locking mechanism (43) is composed of a locking plate (431), a guide shaft (432) and a pressure spring (433), the locking plate (431) is an L-shaped body formed by laterally connecting locking hooks at the lower ends of vertical plates, a boss is arranged at the top of each vertical plate, a through hole is formed in the middle of each vertical plate, the locking hooks of the two vertical plates are oppositely arranged back to back, the guide shaft (432) penetrates through the through holes of the two vertical plates, the pressure spring (433) is sleeved on the guide shaft (432), and two ends of the pressure spring (433) are correspondingly supported on the inner side surfaces of the two vertical plates; the connecting disc (41) is close to the circumferential edge and is provided with locking mechanism mounting grooves (44) along the circumferential direction in an evenly distributed mode, the number of the locking mechanism mounting grooves (44) is equal to that of the single batteries (1) forming the battery pack (2), the locking mechanisms (43) are placed in the locking mechanism mounting grooves (44) from the top, and bosses of the locking plate (431) are supported on two sides of the locking mechanism mounting grooves (44).
5. A battery pack constituted by the battery pack according to claim 3 or 4, characterized in that: the battery packs (2) are closely and densely arranged to form the battery pack (3), and the battery pack (3) is formed by connecting a plurality of battery packs (2) in series and parallel electrically.
6. The battery pack according to claim 5, wherein: and in addition, a connecting strip or a connecting plate with screw holes is arranged, the cover plate (14) of the single batteries (1) is provided with screw holes (143), and screws are connected with the screw threads (143) on the cover plate through the screw holes on the connecting strip or the connecting plate so as to fixedly connect the single batteries (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129759.0A CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129759.0A CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN115395164A true CN115395164A (en) | 2022-11-25 |
| CN115395164B CN115395164B (en) | 2023-09-15 |
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| CN202211129759.0A Active CN115395164B (en) | 2022-09-16 | 2022-09-16 | Single battery, battery pack and battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115882126A (en) * | 2022-12-14 | 2023-03-31 | 江苏正力新能电池技术有限公司 | Battery case, cylindrical battery and battery module |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106520A (en) * | 1996-09-26 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Storage battery power supply device |
| JP2006032240A (en) * | 2004-07-21 | 2006-02-02 | Nissan Motor Co Ltd | Battery pack |
| CN102394284A (en) * | 2011-11-17 | 2012-03-28 | 茵卡动力系统（上海）有限公司 | Power battery pack of new-energy automobile |
| CN202308179U (en) * | 2011-08-08 | 2012-07-04 | 珠海银通新能源有限公司 | Ring-shaped power battery pack |
| US20130059223A1 (en) * | 2011-09-01 | 2013-03-07 | Watt Fuel Cell Corp. | Process for producing tubular ceramic structures of non-circular cross section |
| WO2015075004A1 (en) * | 2013-11-21 | 2015-05-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Electrochemical cell including a hollow tubular gas electrode |
| CN104882290A (en) * | 2015-06-08 | 2015-09-02 | 中航锂电（洛阳）有限公司 | Housing, supercapacitor applying housing and capacitor bank |
| CN107978698A (en) * | 2017-12-01 | 2018-05-01 | 合肥国盛电池科技有限公司 | Vehicular battery bag |
| CN208240775U (en) * | 2018-06-05 | 2018-12-14 | 大连中比动力电池有限公司 | A kind of integrated assembling support of lithium ion battery mould group |
| CN111261976A (en) * | 2020-03-25 | 2020-06-09 | 上海比耐信息科技有限公司 | Large-capacity battery with radiating pipe |
| CN111384353A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN211670237U (en) * | 2020-03-18 | 2020-10-13 | 湖北亿纬动力有限公司 | Battery module |
| CN212011103U (en) * | 2020-06-18 | 2020-11-24 | 黄晓萍 | Single column lithium battery composite structure |
| CN212725476U (en) * | 2020-09-09 | 2021-03-16 | 常州市金坛碳谷新材料科技有限公司 | Graphite heat dissipation module for new energy power battery |
| CN214774434U (en) * | 2021-01-17 | 2021-11-19 | 泰兴挚富显示技术有限公司 | Compound heat dissipation membrane of graphite alkene |
-
2022
- 2022-09-16 CN CN202211129759.0A patent/CN115395164B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10106520A (en) * | 1996-09-26 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Storage battery power supply device |
| JP2006032240A (en) * | 2004-07-21 | 2006-02-02 | Nissan Motor Co Ltd | Battery pack |
| CN202308179U (en) * | 2011-08-08 | 2012-07-04 | 珠海银通新能源有限公司 | Ring-shaped power battery pack |
| US20130059223A1 (en) * | 2011-09-01 | 2013-03-07 | Watt Fuel Cell Corp. | Process for producing tubular ceramic structures of non-circular cross section |
| CN102394284A (en) * | 2011-11-17 | 2012-03-28 | 茵卡动力系统（上海）有限公司 | Power battery pack of new-energy automobile |
| WO2015075004A1 (en) * | 2013-11-21 | 2015-05-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Electrochemical cell including a hollow tubular gas electrode |
| CN104882290A (en) * | 2015-06-08 | 2015-09-02 | 中航锂电（洛阳）有限公司 | Housing, supercapacitor applying housing and capacitor bank |
| CN107978698A (en) * | 2017-12-01 | 2018-05-01 | 合肥国盛电池科技有限公司 | Vehicular battery bag |
| CN208240775U (en) * | 2018-06-05 | 2018-12-14 | 大连中比动力电池有限公司 | A kind of integrated assembling support of lithium ion battery mould group |
| CN111384353A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN211670237U (en) * | 2020-03-18 | 2020-10-13 | 湖北亿纬动力有限公司 | Battery module |
| CN111261976A (en) * | 2020-03-25 | 2020-06-09 | 上海比耐信息科技有限公司 | Large-capacity battery with radiating pipe |
| CN212011103U (en) * | 2020-06-18 | 2020-11-24 | 黄晓萍 | Single column lithium battery composite structure |
| CN212725476U (en) * | 2020-09-09 | 2021-03-16 | 常州市金坛碳谷新材料科技有限公司 | Graphite heat dissipation module for new energy power battery |
| CN214774434U (en) * | 2021-01-17 | 2021-11-19 | 泰兴挚富显示技术有限公司 | Compound heat dissipation membrane of graphite alkene |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115882126A (en) * | 2022-12-14 | 2023-03-31 | 江苏正力新能电池技术有限公司 | Battery case, cylindrical battery and battery module |
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