CN110021776A - Battery unit, battery modules and automobile - Google Patents

Battery unit, battery modules and automobile Download PDF

Info

Publication number
CN110021776A
CN110021776A CN201810475762.5A CN201810475762A CN110021776A CN 110021776 A CN110021776 A CN 110021776A CN 201810475762 A CN201810475762 A CN 201810475762A CN 110021776 A CN110021776 A CN 110021776A
Authority
CN
China
Prior art keywords
dilatation
area
pole
cooling structure
battery unit
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.)
Granted
Application number
CN201810475762.5A
Other languages
Chinese (zh)
Other versions
CN110021776B (en
Inventor
蒋露霞
程晗
颜海鹏
潘仪
何科峰
袁万颂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to PCT/CN2019/070631 priority Critical patent/WO2019134698A1/en
Priority to TW108100605A priority patent/TW201947810A/en
Publication of CN110021776A publication Critical patent/CN110021776A/en
Application granted granted Critical
Publication of CN110021776B publication Critical patent/CN110021776B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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 of a single cell or a single battery
    • H01M50/147—Lids or covers
    • 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 of a single cell or a single battery
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • 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
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • 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
    • 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
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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

Landscapes

  • 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)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to field of batteries, disclose a kind of battery unit, battery modules and automobile, wherein, the battery unit includes shell (3), cover board (4) and pole piece, first dilatation end (12) of the pole piece is provided with cooling structure adaptation area (121) and the first dilatation area (122), first dilatation area (122) is at least partially housed in the shell dilatation chamber (31), and cooling structure adaptation area (121) is recessed relative to the first dilatation area (122) and forms cooling structure installation space.Through the above technical solution, in some surfaces of pole piece main body, the cooling structure adaptation area corresponding to external cooling structure and the dilatation area relative to cooling structure adaptation area protrusion is respectively set, the shell dilatation chamber for accommodating dilatation area is correspondingly set on the shell, to increase the volume of pole piece main body in the confined space near external cooling structure, battery capacity is improved.

Description

Battery unit, battery modules and automobile
Cross reference to related applications
This application claims submit on January 8th, 2018 application No. is 201810015504.9 Chinese patent applications, 2018 On January 8, submit application No. is submit in 201810016060.0 Chinese patent application, on January 8th, 2018 application No. is Submit in 201810015506.8 Chinese patent application, on January 8th, 2018 application No. is 201810016052.6 China specially Submit in benefit application, on January 8th, 2018 application No. is the Chinese patent application of 201810015502.X, on January 8th, 2018 to pass Hand over application No. is the Chinese patent application of 201810016520.X, on January 8th, 2018 submit application No. is Submit in 201810015503.4 Chinese patent application, on January 8th, 2018 application No. is 201810016056.4 China specially The priority of benefit application.
Technical field
The present invention relates to field of batteries, more particularly to a kind of battery unit, battery modules and automobile.
With the development of science and technology, various electronic equipments, electric tool etc. are used widely, such as mobile phone, electric vehicle Deng as core component, the performance of battery has great influence, particularly, the appearance of battery to whole performance and usage experience Amount determines the significant concern point of whole continuation of the journey and user.
Battery includes the pole piece of shell and setting in the shell, and the volume of battery unit determines pole piece to a certain extent Volume, be the important determinant of battery capacity, in electronic equipment, electric tool, the installation environment where battery is basic Determine the occupied space size of battery, the overall volume of battery is difficult to increase without restriction, and the capacity of battery is therefore It is restricted.
Summary of the invention
The object of the present invention is to provide a kind of battery units, to increase battery capacity there are space limitation.
To achieve the goals above, the present invention provides a kind of battery units, wherein the battery unit include shell, Cover board and pole piece, the shell have opening, and the shell is provided with the shell dilatation chamber outwardly protruded, and the opening passes through institute Cover board capping is stated, in the housing, the pole piece includes the pole piece main body with the first dilatation end, described for the pole piece setting First dilatation end is provided with cooling structure adaptation area and the first dilatation area relative to cooling structure adaptation area protrusion, described First dilatation area is at least partially housed in the shell dilatation chamber, and cooling structure adaptation area is recessed relative to the first dilatation area It falls into and forms cooling structure installation space.
Preferably, first dilatation end, which is provided with, is located in the middle cooling structure adaptation area and two are located at First dilatation area of cooling structure adaptation area two sides.
Preferably, first dilatation end be provided be located in the middle first dilatation area and two be located at it is described The cooling structure in the first dilatation area two sides is adapted to area.
Preferably, there are three first dilatation areas and two cooling structure adaptations for the setting of first dilatation end Area, cooling structure adaptation area are arranged between two adjacent first dilatation areas.
Preferably, the pole piece main body includes multiple first dilatation ends, and each first dilatation end is provided with First dilatation area and the cooling structure are adapted to area.
Preferably, the pole piece main body includes being located at two first dilatations of the pole piece main body opposite end End, each first dilatation end are provided with a cooling structure adaptation area, two cooling structures adaptation areas that This is aligned or is staggered.
Preferably, the pole piece main body includes the second dilatation end, and second dilatation end is provided with pole adaptation Qu Hexiang For the second dilatation area of pole adaptation area protrusion, the pole adaptation area is recessed and shape relative to second dilatation area At pole installation space.
Preferably, the cover board include cover board body and relative to the cover board body protrusion cover board dilatation chamber, it is described Second dilatation area is at least partially accommodated into the cover board dilatation chamber.
Preferably, the battery unit includes pole, the pole be connected to the pole piece main body and extending be pierced by it is described Cover board body, the pole are at least partially disposed in the pole installation space.
Preferably, the pole piece includes the tab for being connected to the pole piece main body, and the tab is electrically connected to the pole.
Preferably, the battery unit includes the interior lead-out tablet that fitting is arranged on the inside of the cover board body, the pole The tab is connected to by the interior lead-out tablet.
Preferably, the tab setting is adapted to area in the pole.
Preferably, the tab and the pole piece main body are integrally formed.
In addition, the present invention also provides a kind of battery modules, wherein the battery modules include electricity described in above scheme Pool unit.
In addition, the present invention also provides a kind of automobiles, wherein the automobile includes electricity described at least more than one scheme Chi Mo group.
Through the above technical solutions, being respectively set in some surfaces of pole piece main body corresponding to external cooling structure Cooling structure is adapted to area and the dilatation area relative to cooling structure adaptation area protrusion, and correspondingly setting accommodates dilatation area on the shell Shell dilatation chamber, thus in the confined space near external cooling structure increase pole piece main body volume, improve battery Capacity.
Detailed description of the invention
Fig. 1 is the perspective view of pole piece described in embodiment of the present invention；
Fig. 2 is the explosive view of battery unit described in embodiment of the present invention；
Fig. 3 is the perspective view of battery unit described in embodiment of the present invention；
Fig. 4 is the perspective view of cover board described in embodiment of the present invention；
Fig. 5 is the perspective view of shell described in embodiment of the present invention；
Fig. 6 is the perspective view of cover board described in embodiment of the present invention.
Description of symbols
1 pole piece main body, 2 tab
3 shell, 4 cover board
Lead-out tablet in 5 poles 6
11 second dilatation end, 12 first dilatation end
111 second dilatation area, 112 pole is adapted to area
121 cooling structures are adapted to 122 first dilatation area, area
31 shell dilatation chambers 32 opening
41 cover board dilatation chamber, 42 cover board body
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of battery units, wherein the battery unit includes shell 3, cover board 4 and pole piece, described Shell 3 has opening 32, and the shell 3 is provided with the shell dilatation chamber 31 outwardly protruded, and the opening 32 passes through the cover board 4 Capping, the pole piece are arranged in the shell 3, and the pole piece includes the pole piece main body 1 with the first dilatation end 12, and described the The first dilatation that one dilatation end 12 is provided with cooling structure adaptation area 121 and protrudes relative to cooling structure adaptation area 121 Area 122, first dilatation area 122 are at least partially housed in the shell dilatation chamber 31, and the cooling structure is adapted to area 121 It is recessed relative to the first dilatation area 122 and forms cooling structure installation space.
In the present solution, cover board 4 and shell 3 collectively constitute the shell of receiving pole piece.The pole piece includes pole piece main body 1, Wherein one end of pole piece main body 1 is the first dilatation end 12, and the first dilatation end 12 is provided with cooling structure adaptation area 121 and first and expands Hold area 122, the first dilatation area 122 realizes dilatation relative to the cooling structure adaptation protrusion of area 121, and cooling structure is adapted to area 121 The space for being recessed compared to the first dilatation area 122 and being formed is cooling structure installation space, and cooling structure adaptation area can use It is located in the pole installation space in at least part for accommodating pole 5.
In the inventive concept of this programme, one end progress dilatation for pole piece main body 1 and external cooling structure cooperation is First dilatation end 12 is cooled down in the first dilatation end 12 with the region (i.e. cooling structure is adapted to area 121) of cooling structure cooperation The limitation of structure cannot outwardly protrude, and other regions are occupied due to being not cooled by structure and there are available space, will The pole piece main body 1 of this partial region is set as outwardly protruding i.e. the first dilatation area 122.First dilatation area 122 and cooling structure The drop space that adaptation area 121 is formed is the cooling structure installation space for being used to install cooling structure, certainly, the cooling knot Structure can be provided entirely in the cooling structure installation space, can also be arranged with only a part in the cooling structure installation space In.
As shown in Figure 2, Figure 3, Figure 4, in order to cooperate the second dilatation end 12 of pole piece main body 1, one end of shell 3 also substantially shape As shape corresponding with the first dilatation end 12, that is, shell dilatation chamber 31 is formed to accommodate at least one of the first dilatation area 122 Point.
A kind of embodiment according to the present invention, first dilatation end 12, which is provided with, is located in the middle the cooling structure It is adapted to area 121 and two is located at first dilatation area 122 that the cooling structure is adapted to 121 two sides of area.First dilatation The middle section at end 12 need with cooling structure cooperation and be restricted by size, and do not limited by cooling structure can be in other regions Two the first dilatation areas 122 to be formed positioned at cooling structure adaptation 121 two sides of area are outwardly protruded, the structure that is not cooled is made full use of The space occupied and realize dilatation.
A kind of embodiment according to the present invention, first dilatation end 12, which is provided with, is located in the middle first dilatation Area 122 and two cooling structures for being located at first dilatation area, 122 two sides are adapted to area 121.As shown in Figure 1, Figure 2, Fig. 3 Shown, the first dilatation end 12 needs to cooperate with cooling structure in two opposite edges and size is restricted, in interposition The region set is not limited by cooling structure and can outwardly protrude to form the first dilatation area 122, and the structure that is not cooled is made full use of The space occupied and realize dilatation.
A kind of embodiment according to the present invention, there are three first dilatation areas 122 for the setting of first dilatation end 12 It is adapted to area 121 with two cooling structures, first dilatation of adjacent two is arranged in cooling structure adaptation area 121 Between area 122.That is, the first dilatation area 122 and cooling structure adaptation area 121 are alternately arranged along straight line, two coolings The two sides of the setting of the interval of physical fit area 121, each cooling structure adaptation area 121 are provided with a first dilatation area 122, i.e., It, can the first dilatation area 122 of corresponding setting when the two sides in cooling structure adaptation area 121 have un-occupied space.
In addition, the pole piece main body 1 includes multiple first dilatation ends 12, each first dilatation end 12 is respectively provided with There are first dilatation area 122 and cooling structure adaptation area 121.The battery unit is cold by cooling structure at different ends Corresponding when but, multiple first dilatations end 12 also can be set in pole piece main body 1, and each first dilatation end 12 is respectively provided with cooling knot Structure is adapted to area 121 and the first dilatation area 122.
Further, the pole piece main body 1 includes two described first for being located at 1 opposite end of pole piece main body Dilatation end 12, each first dilatation end 12 are provided with a cooling structure adaptation area 121, two cooling knots Structure adaptation area 121 is in alignment with each other or is staggered.Two dilatation ends 12 are provided with a cooling structure adaptation area 121, two coolings Physical fit area 121 is in alignment with each other or is staggered.
In addition, the pole piece main body 1 includes the second dilatation end 11, second dilatation end 11 is provided with pole adaptation area 112 and relative to the second dilatation area 111 that pole adaptation area 112 is protruded, pole adaptation area 112 is relative to described the Two dilatation areas 111 are recessed and form pole installation space.(below will to adapt to the pole 5 of battery unit at the second dilatation end 11 Illustrate) and be arranged, pole adaptation area 112 for cooperating pole 5 and size is restricted, other region the second dilatation ends 11 to Outer protrusion forms the second dilatation area 111, and pole is adapted to the pole installation space that area 112 is recessed relative to the second dilatation area and is formed Can be used for that pole is installed.
In addition, the cover board 4 includes cover board body 42 and the cover board dilatation chamber 41 protruded relative to the cover board body 42, Second dilatation area 111 is at least partially accommodated into the cover board dilatation chamber 41.Cover board 4 is for covering the second dilatation end 11, and as shown in Figure 5 and Figure 6, cover board 4 forms shape corresponding with the second dilatation end 11, that is, forms the cover board outwardly protruded Dilatation chamber 41, cover board dilatation chamber 41 can accommodate at least part in the second dilatation area 111, and cover board body 42 is adapted to area with pole 112 is corresponding.
In addition, the battery unit includes pole 5, the pole 5 be connected to the pole piece main body 1 and extending be pierced by it is described Cover board body 42, the pole 5 are at least partially disposed in the pole installation space.Generally, battery unit includes two A pole 5 being electrically connected respectively with pole piece main body 1, pole 5 pass through cover board body 42 and extend to outside, and pole 5 can be whole It is arranged in the pole installation space, the height of pole 5 can be less than or equal to the height in the second dilatation area 111 at this time, certainly, Pole 5 can also be partially disposed in the pole installation space, and the height of pole 5 can be greater than the second dilatation area at this time 111 height.
In addition, the pole piece includes the tab 2 for being connected to the pole piece main body 1, the tab 2 is electrically connected to the pole 5.Two tabs 2 for corresponding respectively to positive and negative anodes can be set in pole piece main body 1, and two tabs 2 are connected to described in two Pole 5.
Further, the battery unit includes the interior lead-out tablet 6 that 42 inside of cover board body is arranged in fitting, described Pole 5 is connected to the tab 2 by the interior lead-out tablet 6.As shown in fig. 6, interior lead-out tablet 6 is arranged in cover board body 42 Side, pole 5 passes through cover board body 42 and is connected to interior lead-out tablet 6, and tab 2 is connected to interior lead-out tablet 6, to realize tab 2 are electrically connected with pole 5, are used as transition by interior lead-out tablet 6, can increase the contact area of tab 2 Yu pole 5.Tab 2, Interior lead-out tablet 6 and pole 5 are made of electrically conductive material.
Wherein, the setting of tab 2 is adapted to area 112 in the pole.Tab 2 can be provided entirely in pole adaptation area 112, or pole adaptation area 112 is only partially set, tab 2, which can connect, is adapted to area 112 in pole, or is connected to the The other positions of two dilatation areas 111 or pole piece main body 1 and extend to pole adaptation area 112, so as to be connect with pole 5.
Preferably, the tab 2 is integrally formed with the pole piece main body 1.Tab 2 and pole piece main body 1 are by being made pole piece Material integrated molding is made, and tab 2 includes two tabs as anode and cathode.Certainly, in other embodiments, tab In addition 2 can also be processed into and be connected in pole piece main body 1.
In addition, the present invention also provides a kind of battery modules, wherein the battery modules include electricity described in above scheme Pool unit.The battery modules may include multiple battery units, and multiple battery units connect in series or in parallel And it powers.
In addition, the present invention also provides a kind of automobiles, wherein the automobile includes electricity described at least more than one scheme Chi Mo group.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this , can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention, including each particular technique Feature is combined in any suitable manner, and in order to avoid unnecessary repetition, the present invention is to various combinations of possible ways No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention Protection scope.

Claims (15)

1. a kind of battery unit, which is characterized in that the battery unit includes shell (3), cover board (4) and pole piece, the shell (3) there is opening (32), the shell (3) is provided with the shell dilatation chamber (31) outwardly protruded, and the opening (32) passes through institute Cover board (4) capping is stated, the pole piece is arranged in the shell (3), and the pole piece includes the pole with the first dilatation end (12) Core main body (1), first dilatation end (12) are provided with cooling structure adaptation area (121) and are adapted to relative to the cooling structure First dilatation area (122) of area (121) protrusion, first dilatation area (122) is at least partially housed in the shell dilatation chamber (31) in, cooling structure adaptation area (121) is recessed relative to the first dilatation area (122) and forms cooling structure installation sky Between.
2. battery unit according to claim 1, which is characterized in that first dilatation end (12), which is provided with, is located at centre Cooling structure adaptation area (121) and two be located at the cooling structure is adapted to area (121) two sides described first Dilatation area (122).
3. battery unit according to claim 1, which is characterized in that first dilatation end (12), which is provided with, is located at centre First dilatation area (122) and two cooling structures adaptations for being located at first dilatation area (122) two sides Area (121).
4. battery unit according to claim 3, which is characterized in that there are three described for first dilatation end (12) setting First dilatation area (122) and two cooling structure adaptations area (121), cooling structure adaptation area (121) are arranged in phase Between two adjacent first dilatation areas (122).
5. battery unit according to claim 1, which is characterized in that the pole piece main body (1) includes multiple described first Dilatation end (12), each first dilatation end (12) is provided with first dilatation area (122) and the cooling structure is suitable With area (121).
6. battery unit according to claim 5, which is characterized in that the pole piece main body (1) is described including being located at Two first dilatation ends (12) of pole piece main body (1) opposite end, each first dilatation end (12) are provided with one A cooling structure adaptation area (121), two cooling structure adaptations area (121) are in alignment with each other or are staggered.
7. battery unit according to claim 1, which is characterized in that the pole piece main body (1) includes the second dilatation end (11), second dilatation end (11) are provided with pole adaptation area (112) and relative to pole adaptation area (112) protrusions Second dilatation area (111), pole adaptation area (112) are recessed relative to second dilatation area (111) and form pole peace Fill space.
8. battery unit according to claim 7, which is characterized in that the cover board (4) includes cover board body (42) and phase For the cover board dilatation chamber (41) of the cover board body (42) protrusion, second dilatation area (111) is at least partially accommodated into In the cover board dilatation chamber (41).
9. battery unit according to claim 8, which is characterized in that the battery unit includes pole (5), the pole (5) it is connected to the pole piece main body (1) and extends and be pierced by the cover board body (42), the pole (5) is at least partly arranged In the pole installation space.
10. battery unit according to claim 9, which is characterized in that the pole piece includes being connected to the pole piece main body (1) tab (2), the tab (2) are electrically connected to the pole (5).
11. battery unit according to claim 10, which is characterized in that the battery unit includes that fitting is arranged described Interior lead-out tablet (6) on the inside of cover board body (42), the pole (5) are connected to the tab by the interior lead-out tablet (6) (2)。
12. battery unit according to claim 10, which is characterized in that tab (2) setting is adapted in the pole Area (112).
13. battery unit according to claim 10, which is characterized in that the tab (2) and the pole piece main body (1) one It is body formed.
14. a kind of battery modules, which is characterized in that the battery modules include electricity described in any one of claim 1-13 Pool unit.
15. a kind of automobile, which is characterized in that the automobile includes battery modules described at least one claim 14.
CN201810475762.5A 2018-01-08 2018-05-17 Battery unit, battery module and car Active CN110021776B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/070631 WO2019134698A1 (en) 2018-01-08 2019-01-07 Battery cell, battery module and automobile
TW108100605A TW201947810A (en) 2018-01-08 2019-01-07 Battery unit, battery module and car

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
CN201810016520 2018-01-08
CN201810015504 2018-01-08
CN2018100155068 2018-01-08
CN2018100160600 2018-01-08
CN201810015506 2018-01-08
CN201810016056 2018-01-08
CN201810016052 2018-01-08
CN201810015503 2018-01-08
CN2018100160564 2018-01-08
CN2018100155034 2018-01-08
CN201810015502 2018-01-08
CN201810016060 2018-01-08
CN2018100155049 2018-01-08
CN201810015502X 2018-01-08
CN2018100160526 2018-01-08
CN201810016520X 2018-01-08

Publications (2)

Publication Number Publication Date
CN110021776A true CN110021776A (en) 2019-07-16
CN110021776B CN110021776B (en) 2021-06-18

Family

ID=67188252

Family Applications (9)

Application Number Title Priority Date Filing Date
CN201810475688.7A Active CN110021775B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car
CN201810476322.1A Active CN110021777B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car
CN201810476328.9A Pending CN110021779A (en) 2018-01-08 2018-05-17 Battery unit, battery modules and automobile
CN201810476313.2A Active CN110021719B (en) 2018-01-08 2018-05-17 Battery unit, battery module and car
CN201810476315.1A Active CN110021716B (en) 2018-01-08 2018-05-17 Battery unit, battery module and car
CN201810474862.6A Active CN110021774B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car
CN201810475762.5A Active CN110021776B (en) 2018-01-08 2018-05-17 Battery unit, battery module and car
CN201810474865.XA Active CN110021721B (en) 2018-01-08 2018-05-17 Battery module and car
CN201810476325.5A Active CN110021778B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car

Family Applications Before (6)

Application Number Title Priority Date Filing Date
CN201810475688.7A Active CN110021775B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car
CN201810476322.1A Active CN110021777B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car
CN201810476328.9A Pending CN110021779A (en) 2018-01-08 2018-05-17 Battery unit, battery modules and automobile
CN201810476313.2A Active CN110021719B (en) 2018-01-08 2018-05-17 Battery unit, battery module and car
CN201810476315.1A Active CN110021716B (en) 2018-01-08 2018-05-17 Battery unit, battery module and car
CN201810474862.6A Active CN110021774B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201810474865.XA Active CN110021721B (en) 2018-01-08 2018-05-17 Battery module and car
CN201810476325.5A Active CN110021778B (en) 2018-01-08 2018-05-17 Pole core, battery unit, battery module and car

Country Status (2)

Country Link
CN (9) CN110021775B (en)
TW (5) TW201947810A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023133855A1 (en) * 2022-01-14 2023-07-20 宁德时代新能源科技股份有限公司 Battery, electronic device, and preparation method and preparation apparatus for battery

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467263B (en) * 2020-09-29 2023-03-31 昆山兴能能源科技有限公司 Plastic battery and production method thereof
CN112310514A (en) * 2020-10-27 2021-02-02 合肥国轩高科动力能源有限公司 Lithium ion battery
CN112701386B (en) * 2020-12-28 2022-04-26 合肥国轩高科动力能源有限公司 Winding core assembling structure and assembling method
WO2022166804A1 (en) * 2021-02-08 2022-08-11 华为技术有限公司 Cell, battery, and electronic device
CN112820982A (en) * 2021-02-19 2021-05-18 湖北亿纬动力有限公司 Battery monomer and battery module
CN115347280A (en) * 2021-05-14 2022-11-15 中创新航科技股份有限公司 Battery, battery pack and battery pack
EP4254610A4 (en) * 2021-10-22 2024-03-13 Contemporary Amperex Technology Co Ltd Battery, electric device, method for preparing battery cell, and device
CN114024082B (en) * 2021-11-04 2024-04-30 欣旺达动力科技股份有限公司 Battery, battery module and battery pack
WO2023082152A1 (en) * 2021-11-11 2023-05-19 宁德时代新能源科技股份有限公司 Battery cell, battery, electric device, and method and apparatus for preparing battery cell
CN116529934A (en) * 2021-11-11 2023-08-01 宁德时代新能源科技股份有限公司 Battery cell, manufacturing method and manufacturing system thereof, battery and electricity utilization device
CN216698663U (en) * 2021-12-20 2022-06-07 北京卫蓝新能源科技有限公司 Lithium ion battery convenient to it is in groups
CN216389486U (en) * 2021-12-20 2022-04-26 北京卫蓝新能源科技有限公司 Square shell lithium ion battery
CN114284610A (en) * 2021-12-24 2022-04-05 中创新航科技股份有限公司 Battery cover plate assembly, battery and battery pack

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428750A (en) * 2014-09-15 2016-03-23 株式会社Lg化学 Battery module, battery pack and device comprising battery pack
CN206727177U (en) * 2017-03-16 2017-12-08 宁德时代新能源科技股份有限公司 Secondary cell and battery bag

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6387561B1 (en) * 1998-10-13 2002-05-14 Ngk Insulators, Ltd. Electrolyte-solution filling method and battery structure of lithium secondary battery
US6372382B2 (en) * 1999-08-21 2002-04-16 Gnb Technologies, Inc. Low profile front terminal lead-acid battery
CN2504768Y (en) * 2001-11-07 2002-08-07 湖北汽车蓄电池厂 High performance sedan battery
KR100440934B1 (en) * 2002-02-06 2004-07-21 삼성에스디아이 주식회사 Secondary battery
CN2840334Y (en) * 2005-06-17 2006-11-22 深圳市比克电池有限公司 Lithium ion battery covering plate, battery case and battery
CN101315990B (en) * 2007-05-29 2010-06-09 上海比亚迪有限公司 Battery
KR100995417B1 (en) * 2008-08-14 2010-11-18 삼성에스디아이 주식회사 Secondary Battery
CN201298568Y (en) * 2008-09-03 2009-08-26 李国兴 Power-supply box for mobile phone battery
CN201387915Y (en) * 2008-12-25 2010-01-20 天津力神电池股份有限公司 Improved polymer lithium ion battery structure
CN101877413B (en) * 2009-04-30 2013-10-30 比亚迪股份有限公司 Monomer battery and power battery pack containing same
CN201438492U (en) * 2009-06-18 2010-04-14 天津市捷威动力工业有限公司 Polymer lithium-ion traction battery
CN101626092A (en) * 2009-07-25 2010-01-13 惠州亿纬锂能股份有限公司 Lead-type anode post lithium battery
CN201717326U (en) * 2010-06-29 2011-01-19 超威电源有限公司 Battery with built-in connecting terminal
US20150079427A1 (en) * 2011-10-11 2015-03-19 Zhejiang Narada Power Source Co. Ltd. Case system, battery and battery rack with improved stacking
JP5699909B2 (en) * 2011-11-11 2015-04-15 株式会社豊田自動織機 Secondary battery electrode body, secondary battery and vehicle
CN202495510U (en) * 2012-02-20 2012-10-17 宁德新能源科技有限公司 Lithium-ion battery and tab structure thereof
KR20130106755A (en) * 2012-03-20 2013-09-30 주식회사 엘지화학 Electrode assembly and composite electrode assembly of stair-like structure
KR20130118716A (en) * 2012-04-20 2013-10-30 주식회사 엘지화학 Electrode assembly, battery cell and device comprising the same
US10205151B2 (en) * 2012-04-20 2019-02-12 Greatbatch Ltd. Connector from the tab of an electrode current collector to the terminal pin of a feedthrough in an electrochemical cell
CN102969477B (en) * 2012-11-09 2014-11-12 中航锂电（洛阳）有限公司 Lithium ion battery and tab and pole connecting pieces thereof
KR101573691B1 (en) * 2013-03-04 2015-12-03 주식회사 엘지화학 Battery Cell Provided With Cut Portion and Battery Pack Comprising The Same
KR101572836B1 (en) * 2013-03-04 2015-12-01 주식회사 엘지화학 Battery Cell Having Structure of Steps-Formed
CN103219477A (en) * 2013-04-11 2013-07-24 德朗能（张家港）动力电池有限公司 High-capacity lithium ion battery pack
CN203351681U (en) * 2013-05-21 2013-12-18 宝钢发展有限公司 Storage battery and connecting wire thereof
CN203377271U (en) * 2013-07-23 2014-01-01 山东精工电子科技有限公司 Lithium ion battery pack
CN203503714U (en) * 2013-09-26 2014-03-26 中航锂电（洛阳）有限公司 Battery cover plate assembly and lithium ion power battery using same
CN104681877B (en) * 2013-11-28 2017-11-21 比亚迪股份有限公司 A kind of electrokinetic cell pole piece, electrokinetic cell and preparation method thereof
JP6221778B2 (en) * 2014-01-28 2017-11-01 株式会社豊田自動織機 Power storage device
KR101595498B1 (en) * 2014-04-17 2016-02-18 주식회사 아이티엠반도체 Polymer battery cell and electronic device including the same
CN105576182B (en) * 2014-11-04 2018-09-14 矢崎总业株式会社 Battery terminal
KR102394688B1 (en) * 2015-08-21 2022-05-06 삼성에스디아이 주식회사 Battery module
CN205376650U (en) * 2015-11-19 2016-07-06 上海与德通讯技术有限公司 Mobile terminal and built -in battery thereof
CN105576161A (en) * 2016-02-03 2016-05-11 深圳市三讯电子有限公司 Electrode terminal, power battery cover plate assembly and power battery
CN205406647U (en) * 2016-03-11 2016-07-27 东风商用车有限公司 Lithium iron phosphate starting source
CN105845851B (en) * 2016-06-07 2018-07-17 宁德时代新能源科技股份有限公司 Power battery top cover and power battery thereof
CN205828568U (en) * 2016-07-06 2016-12-21 宁德时代新能源科技股份有限公司 Secondary cell
CN206271774U (en) * 2016-11-01 2017-06-20 深圳市瑞德丰精密制造有限公司 Battery cap
CN106684287A (en) * 2016-12-20 2017-05-17 常州普莱德新能源电池科技有限公司 Battery module
CN206401459U (en) * 2017-01-12 2017-08-11 深圳市新昊青科技有限公司 A kind of cylindrical flexible packaged battery core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428750A (en) * 2014-09-15 2016-03-23 株式会社Lg化学 Battery module, battery pack and device comprising battery pack
CN206727177U (en) * 2017-03-16 2017-12-08 宁德时代新能源科技股份有限公司 Secondary cell and battery bag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023133855A1 (en) * 2022-01-14 2023-07-20 宁德时代新能源科技股份有限公司 Battery, electronic device, and preparation method and preparation apparatus for battery

Also Published As

Publication number Publication date
CN110021777A (en) 2019-07-16
TW201947798A (en) 2019-12-16
CN110021774B (en) 2021-02-23
CN110021774A (en) 2019-07-16
TWI703755B (en) 2020-09-01
CN110021721A (en) 2019-07-16
CN110021778B (en) 2021-03-26
CN110021719A (en) 2019-07-16
CN110021775A (en) 2019-07-16
CN110021777B (en) 2021-03-26
CN110021779A (en) 2019-07-16
CN110021721B (en) 2021-04-20
TW201947797A (en) 2019-12-16
TW201947803A (en) 2019-12-16
CN110021776B (en) 2021-06-18
CN110021716B (en) 2022-03-18
CN110021775B (en) 2021-04-20
TWI703753B (en) 2020-09-01
CN110021716A (en) 2019-07-16
TW201947810A (en) 2019-12-16
CN110021719B (en) 2020-08-25
TW201947811A (en) 2019-12-16
TWI735836B (en) 2021-08-11
CN110021778A (en) 2019-07-16

Similar Documents

Publication Publication Date Title
CN110021776A (en) Battery unit, battery modules and automobile
CN103219554B (en) Electrical storage device
CN103380512A (en) Secondary cell device
CN216750230U (en) Battery monomer, battery and power consumption device
CN106981596A (en) Secondary cell
JP2022554108A (en) Devices that use battery modules, battery packs and battery cells as power sources
KR20140072689A (en) Battery Module Assembly
CN111490191B (en) Battery unit, battery module and car
JP2001084981A (en) Sealed lead-acid battery
WO2006102219A1 (en) Battery assembly having a lug profile comprising a corrugated portion
WO2019134697A1 (en) Battery unit, battery module, and vehicle
CN208111590U (en) Secondary cell
KR20160144764A (en) Battery Pack
CN112234244B (en) Lithium ion battery
WO2019134698A1 (en) Battery cell, battery module and automobile
JP2003197169A (en) Battery module
CN209822776U (en) Single battery, battery module and electric automobile
CN104518234B (en) Battery and method for manufacturing battery
CN110299477B (en) Battery module and method for manufacturing battery module
JP2021106088A (en) Battery wiring module
CN220774630U (en) Battery cell
CN220400861U (en) Battery module
CN218385454U (en) Top cap subassembly, battery monomer, battery package, electric installation
CN219832848U (en) Battery module and vehicle
CN209963093U (en) Casing and secondary battery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40004103

Country of ref document: HK

GR01 Patent grant
GR01 Patent grant