CN109923692A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN109923692A CN109923692A CN201780067100.8A CN201780067100A CN109923692A CN 109923692 A CN109923692 A CN 109923692A CN 201780067100 A CN201780067100 A CN 201780067100A CN 109923692 A CN109923692 A CN 109923692A
- Authority
- CN
- China
- Prior art keywords
- lug plate
- battery pack
- positive electrode
- circuit module
- lead lug
- 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
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
- H01M50/20—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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Disclose a kind of battery pack.The present invention includes: secondary cell；The electrode tabs of circuit module, secondary cell are connected to circuit module；And lead lug plate, it is arranged on circuit module, and the electrode tabs of secondary cell are attached to lead lug plate, wherein, circuit module be disposed at lead lug plate be arranged it is fluted, and the opening portion of groove be arranged in and secondary cell back to direction on.
Description
Technical field
This disclosure relates to a kind of equipment, more particularly, to a kind of battery pack.
Background technique
In recent years, with the fast development of electronics, communication and computer industry, such as field camera, cellular phone,
Laptop computer and the device of tablet PC are widely used, therefore to high reliability light-weight and with long service life, height
The demand of the secondary cell of performance is continuously increased.To the existing great interest of the lithium secondary battery for meeting the demand, and lithium two
The application wide spread of primary cell.
There are Hard Roll type battery pack and interior pouch-type battery pack.In Hard Roll type battery pack, for protection purposes, shell is accommodated
Plain battery, safety device etc..In interior pouch-type battery pack, the gap filling between plain battery and protection circuit module has hot melt to set
Rouge, and for protection purposes, plain battery and protection circuit module case material casing are simultaneously labeled.
Summary of the invention
Technical problem
Lithium secondary battery can classify according to the type of electrolyte.For example, lithium metal battery and lithium ion battery make
With organic solvent electrolyte, lithium polymer battery uses solid polymer electrolyte.In addition, according to accommodate electrod component and electrolysis
The type of the tank of matter, lithium secondary battery can be classified as cylindrical type, prismatic and pouch-type.
In general, the polymer battery using solid polymer electrolyte has bag shape, and it is electrolysed using organic solvent
The lithium ion battery of matter has cylindrical shape or prism shape.
Technical solution
Embodiment of the disclosure provides battery pack.
The aspect of the disclosure can provide a kind of battery pack, and the battery pack includes: secondary cell；Circuit module, connection
To the electrode tabs of secondary cell；And lead lug plate, it is located on circuit module, the electrode tabs of secondary cell are attached
Arrive lead lug plate, wherein circuit module may include recess, recess be located at is located in the part of lead lug plate, and
And recess open side can with secondary cell back to.
Technical effect
In accordance with an embodiment of the present disclosure, stable battery pack can be provided.In addition, in accordance with an embodiment of the present disclosure, battery
Group can be assembled easily and rapidly.
Detailed description of the invention
Fig. 1 is the decomposition perspective view for showing battery pack according to an embodiment of the present disclosure.
Fig. 2 is the perspective view of the side for showing circuit module shown in Fig. 1 and the part of secondary cell.
Fig. 3 is the perspective view of the other side for showing circuit module shown in Fig. 1 and the part of secondary cell.
Fig. 4 is the partial cutaway view for showing the part of battery pack shown in Fig. 1.
Specific embodiment
The aspect of the disclosure can provide a kind of battery pack, and the battery pack includes: secondary cell；Circuit module, connection
To the electrode tabs of secondary cell；And lead lug plate, it is located on circuit module, the electrode tabs of secondary cell are attached
Arrive lead lug plate, wherein circuit module may include recess, recess be located at is located in the part of lead lug plate, and
And recess open side can with secondary cell back to.
In addition, lead lug plate can be folding, and electrode tabs can be placed on the folding of lead lug plate
Between folded part.
In addition, the depth of recess can be greater than the width of lead lug plate.
In addition, battery pack can also include the shell for being wherein placed with circuit module.
In addition, shell can close open side.
In addition, the distance of one end from the inner surface of shell to circuit module can be less than from the inner surface of shell to lead
The distance of one end of lug plate.
In addition, the distance from the inner surface of shell to one end of lead lug plate can be less than from the inner surface of shell to electricity
The distance of one end of pole lug plate.
In addition, secondary cell can be bag type secondary battery.
In addition, the circuit pattern of circuit module can not be stacked with lead lug plate.
In addition, battery pack can also include the connector for being connected to circuit module.
In addition, battery pack can also include insulating part, electrode tabs are located around circuit module in insulating part thereon
Part.
Disclosed mode
By the embodiment described in detail with reference to the accompanying drawings, the disclosure be will be apparent from.However, embodiment can have
There is different forms, and should not be understood as being limited to description set forth herein.On the contrary, thesing embodiments are provided so that
This disclosure will be thorough and complete, and will sufficiently convey the scope of the present disclosure to those skilled in the art.Therefore, the disclosure
Range should be defined by the claims.In the following description, technical term be only used for explain example embodiment, rather than in order to
The purpose of limitation.Except non-clearly referring to, otherwise the term of singular may include plural form." comprising " and/or its modification
Meaning explanation there are element, step, operation and/or devices, but do not preclude the presence or addition of other elements, step, operation
And/or device.It will be appreciated that although term " first ", " second " etc. may be used herein to describe various elements, this
A little elements should not be limited by these terms.These terms are only used to distinguish an element with another element.
Fig. 1 is the decomposition perspective view for showing battery pack according to an embodiment of the present disclosure.Fig. 2 is shown shown in Fig. 1
The perspective view of circuit module.Fig. 3 is the perspective of the other side for showing circuit module shown in Fig. 1 and the part of secondary cell
Figure.Fig. 4 is the partial cutaway view for showing the part of battery pack shown in Fig. 1.
Referring to figs. 1 to Fig. 4, battery pack 100 may include shell 110, secondary cell 120, circuit module 130, connector
140, insulating part 150 and outer cover 160.
Shell 110, which may be constructed such that, accommodates secondary cell 120 within the case 110.In addition, shell 110 can be formed
It is placed with the space of circuit module 130.Shell 110 may include insulating materials.For example, shell 110 may include such as plastics
Synthetic resin.
Secondary cell 120 can be bag type secondary battery.In this case, secondary cell 120 may include bag 121,
Electrode assembly (not shown), electrolyte (not shown) and electrode tabs 122.
Bag 121 may include the first insulating layer (not shown) sequentially stacked, metal layer (not shown) and the second insulation
Layer (not shown).Specifically, the first insulating layer and second insulating layer can be by such as polypropylene (PP), poly terephthalic acid second two
The material of alcohol ester (PET) or nylon is formed, and metal layer can be formed by the material of such as aluminium, steel or stainless steel.Bag 121 can
To be formed in various ways.For example, bag 121 can have three-decker, which includes being formed by polypropylene (PP)
First insulating layer, the metal layer formed by aluminium and the second insulating layer formed by polyethylene terephthalate (PET).
Electrode assembly includes: positive electrode plate (not shown), is coated with positive electrode slurry, and positive electrode slurry is added with positive electrode
Active material；Negative electrode plate (not shown), is coated with negative electrode slurry, and negative electrode slurry is added with negative electrode active material；With
And partition (not shown), it is placed between positive electrode plate and negative electrode plate.
Positive electrode plate may include: positive electrode coated portion, by using the coating of positive electrode slurry by the material of such as aluminium
The positive electrode current collector of formation and formed；And positive electrode non-coated part, it is that positive electrode current collector is not coated with positive electricity
The part of pole slurry.Positive electrode active substance is included in positive electrode slurry.Positive electrode active substance can be such as LiCoO2、
LiNiO2、LiMnO2Or LiMnO4Lithium-containing transition metal oxide or lithium chalcogenide.In embodiment, positive electrode
Lug plate 122a is integrated to the non-coated part of positive electrode, and a part of positive electrode lug plate 122a extends outwardly from bag 121.
Negative electrode plate may include: negative electrode coated portion, by using the coating of negative electrode slurry by the material of such as nickel
The negative current collector of formation and formed；And negative electrode non-coated part, it is that negative current collector is not coated with negative electricity
The part of pole slurry.Negative electrode active material is included in negative electrode slurry.The example of negative electrode active material may include all
Such as the carbon material of crystalline carbon, amorphous carbon, carbon complex or carbon fiber, lithium metal or lithium alloy.In embodiment, negative electrode wiring
Piece 122b is integrated to the non-coated part of negative electrode, and a part of negative electrode lug plate 122b extends outwardly from bag 121.
Partition may include porous polypropylene (PP) or porous polyethylene (PE), allow lithium ion positive electrode plate with
It is easily migrated between negative electrode plate.
Electrode tabs 122 may include the positive electrode lug plate 122a and negative electrode lug plate for being connected to electrode assembly
122b.Each of positive electrode lug plate 122a and negative electrode lug plate 122b can be wrapped up using bonding lug plate band 123, with
Improve the sealing between positive electrode lug plate 122a and negative electrode lug plate 122b and bag 121, and makes positive electrode lug plate
122a and negative electrode lug plate 122b are electrically insulated with bag 121.
Circuit module 130 may be coupled to secondary cell 120 and connector 140.In this case, circuit module 130
It can be connected to outside by connector 140, and can control the charging operations and discharge operation of secondary cell 120.
Circuit module 130 may include circuit board 131, the circuit device 132 on the circuit board being mounted on 131, lead
Lug plate 133 and safety device 134.Circuit device 132, lead lug plate 133 and safety device 134 can all be arranged in electricity
On the side of road plate 131.
Lead lug plate 133 can be arranged on circuit board 131, for being electrically connected with secondary cell 120.In this feelings
Under condition, lead lug plate 133 may include positive electrode lead lug plate 133a and negative electrode lead lug plate 133b.Positive electrode draws
Line lug plate 133a is electrically connected to the positive electrode lug plate 122a of secondary cell 120, negative electrode lead lug plate by welding
133b is electrically connected to the negative electrode lug plate 122b of secondary cell 120 by welding.In this case, positive electrode lead wiring
Each of piece 133a and negative electrode lead lug plate 133b can be folding.In this case, positive electrode lug plate
122a can be inserted between the folded portion of positive electrode lead lug plate 133a, and negative electrode lug plate 122b can be inserted in negative electrode
Between the folded portion of lead lug plate 133b.Specifically, positive electrode lead lug plate 133a and negative electrode lead lug plate
133b may include protruding portion, and positive electrode lug plate 122a and negative electrode lug plate 122b are easily soldered to respectively
Positive electrode lead lug plate 133a and negative electrode lead lug plate 133b.
Circuit board 131 may include recess 135.In this case, recess 135 can be formed in its of circuit board 131
On be disposed in the part of positive electrode lead lug plate 133a and negative electrode lead lug plate 133b.Recess 135 can be arranged in
On the side with the side back pair in face of bag 121 of circuit board 131 of circuit board 131.That is, the open side of recess 135 can not face
Bag 121, but shell 110 can be faced.In addition, recess 135 can be formed in circuit board 131 be not disposed with lead wiring thereon
In the side (or side for being disposed with circuit device 132 thereon of circuit board 131) of piece 133.Recess 135 can be arranged in circuit board
On 131 part corresponding with positive electrode lug plate 122a and negative electrode lug plate 122b respectively.In this case, work as positive electricity
Pole lug plate 122a and negative electrode lug plate 122b are welded to positive electrode lead lug plate 133a and negative electrode lead wiring
When piece 133b, positive electrode lug plate 122a, negative electrode lug plate 122b, positive electrode lead lug plate 133a and negative electricity can be prevented
At least one of pole lead lug plate 133b is connected to and (is described later on) circuit pattern.
The depth D of recess 135 can be greater than in positive electrode lead lug plate 133a and negative electrode lead lug plate 133b
The width W of at least one.In this case, the 135 depth D of being recessed can be in the open side from recess 135 towards bag 121
Direction on the value that measures, and the width W of positive electrode lead lug plate 133a and negative electrode lead lug plate 133b can be
The value measured on from the open side of recess 135 towards the direction of bag 121.
Circuit board 131 includes: charge-discharge circuit pattern (not shown), for the charging behaviour by control secondary cell 120
Make the state-of-charge that secondary cell 120 is equably kept with discharge operation；Or protection circuit pattern (not shown), for preventing
Overdischarge and overcharge.Circuit device 132 can be arranged on circuit board 131, to realize charge-discharge circuit pattern and protection electricity
Road pattern.In this case, charge-discharge circuit pattern and protection circuit pattern can be connected respectively to positive electrode lead wiring
Piece 133a and negative electrode lead lug plate 133b, and may be coupled to connector 140.Specifically, charge-discharge circuit pattern and
At least one of protection circuit pattern can be arranged on circuit board 131.In embodiment, charge-discharge circuit pattern and protection
What at least one of circuit pattern can be arranged in circuit board 131 is disposed with positive electrode lead lug plate 133a and negative electricity thereon
On the side of pole lead lug plate 133b.In this case, the side of circuit board 131 can be already coated with other insulation
Material.In another embodiment, at least one of charge-discharge circuit pattern and protection circuit pattern can be arranged in circuit board
On 131 other side.In this case, the other side of circuit board 131 can be disposed with positive electrode with circuit board 131 thereon
The side back pair of lead lug plate 133a and negative electrode lead lug plate 133b.In this case, as described above, circuit board
131 side can be coated with insulating materials.Hereinafter, charge and discharge electricity will mainly be described in detail for ease of description,
At least one of road pattern and protection circuit pattern are arranged in the situation on the other side of circuit board 131.
As described above, at least one of charge-discharge circuit pattern and protection circuit pattern can be arranged in circuit board 131
The other side on, it is stacked with positive electrode lug plate 122a and negative electrode lug plate 122b to prevent.In this case, charge and discharge
Circuit pattern and protection at least one of circuit pattern can be arranged on the other side of circuit board 131, and therefore can be with
Far from recess 135.In this case, charge-discharge circuit pattern and the part of at least one of protection circuit pattern can edges
The curved edge of recess 135.Therefore, as described above, charge-discharge circuit pattern and protection at least one of circuit pattern can be with
It is not stacked with positive electrode lug plate 122a and negative electrode lug plate 122b, and therefore can not with positive electrode lug plate 122a and
Negative electrode lug plate 122b contact.
When the temperature of secondary cell 120 increase to permissible value or it is bigger when, 134 interruptive current of safety device is to prevent by heat
Caused abnormal phenomenon.Safety device 134 can be positive thermal coefficient (PTC) device or thermal cut-out device (TCO).
Connector 140 may be coupled to circuit module 130, and can be exposed to the outside of shell 110.In such case
Under, connector 140 may include the cable 141 for being connected to circuit module 130 and the connection terminal 142 for being attached to cable 141.
Insulating part 150 can cover a part of circuit module 130.Specifically, insulating part 150 can cover circuit module
Part on 130 platform 124 for being arranged in secondary cell 120.Insulating part 150 can be insulating tape, and can be attached to
Circuit module 130.
Outer cover 160 can be with the side of shielding casing 110, or can be attached to shell 110 so that secondary cell 120 is fixed
To shell 110.In such a case, it is possible to multiple outer covers 160 be arranged, and multiple outer covers 160 can be attached to secondary cell
120 and shell 110 part, to cover secondary cell 120 from such environmental effects.
In addition, circuit module 130 and secondary cell 120 can be connected to each other by welding when manufacturing battery pack 100.
Specifically, positive electrode lug plate 122a can be connected by welding to positive electrode lead lug plate 133a.In addition, negative electrode wiring
Piece 122b can be connected by welding to negative electrode lead lug plate 133b.In this case, due to by positive electrode lug plate
122a is welded to the step of positive electrode lead lug plate 133a and negative electrode lug plate 122b is welded to negative electrode lead wiring
The step of piece 133b, is same or similar, therefore will mainly describe in detail now by positive electrode lug plate for ease of description,
122a is welded to the step of positive electrode lead lug plate 133a.
When positive electrode lug plate 122a is welded to positive electrode lead lug plate 133a, can be connect by positive electrode lead
While the folded portion expansion of line piece 133a or positive electrode lug plate 122a is placed on positive electrode lead lug plate later
On 133a.Hereafter, a part of positive electrode lead lug plate 133a can be folded, so that the folding of positive electrode lead lug plate 133a
Folded part can face the other parts of positive electrode lead lug plate 133a.In such a case, it is possible to by positive electrode lug plate
122a is placed between the part of positive electrode lead lug plate 133a.At this point, one end of positive electrode lug plate 122a can be just
It is shielded between the part of contact conductor lug plate 133a, or can be prominent from the part of positive electrode lead lug plate 133a.
Specifically, when positive electrode lug plate 122a is prominent from one end of positive electrode lead lug plate 133a, can after being welded by
The protrusion of positive electrode lug plate 122a folds, and positive electrode lug plate 122a is placed in recess 135.
It, can be by the one of positive electrode lead lug plate 133a after arrangement positive electrode lug plate 122a as described above
Side applies energy to execute welding.At this point it is possible to be pressed by contacting welder with positive electrode lead lug plate 133a
Positive electrode lead lug plate 133a.
When execution welding as described above, circuit board 131 can be placed on positive electrode lead lug plate in the art
On the other side of 133a.In this case, due to the burr formed during welding, positive electrode lead lug plate 133a and just
At least one of electrode tabs 122a can be undesirably connected to negative electrode lead lug plate 133b and negative electrode wiring
At least one of piece 122b is connected at least one of charge-discharge circuit pattern and protection circuit pattern of connector 140.
In this case, the meeting of battery pack 100 abnormally operation or short circuit, therefore the safety of battery pack 100 can reduce.
However, in accordance with an embodiment of the present disclosure, problems noted above can be by being disposed with lead lug plate on it
Recess 135 is formed in 133 part to solve.That is, since recess 135 is arranged in positive electrode lead lug plate 133a and positive electrode
At the position that lug plate 122a is welded to one another, at least one of circuit board 131, charge-discharge circuit pattern and protection circuit pattern
It does not appear at the position, therefore during welding, in positive electrode lead lug plate 133a and positive electrode lug plate 122a extremely
Few one can not connect at least one of negative electrode lead lug plate 133b and negative electrode lug plate 122b to be connected to
The contact of at least one of the charge-discharge circuit pattern and protection circuit pattern of device 140.
After being completed as previously described welding, one end of positive electrode lead lug plate 133a can be than the opening of recess 135
Side is close to bag 121.In addition, the first distance H1 from the inner surface of shell 110 to one end of circuit module 130 can be less than from shell
Second distance H2 of the inner surface of body 110 to one end of positive electrode lead lug plate 133a.In addition, from the inner surface of shell 110
First distance H1 to one end of circuit module 130 can be less than the inner surface from shell 110 to positive electrode lug plate 122a's
The third distance H3 of one end.Therefore, positive electrode lead lug plate 133a and positive electrode lug plate 122a are not contacted with shell 110,
Therefore electric current is without going past shell 110.
In addition, when positive electrode lead lug plate 133a and positive electrode lug plate 122a are connected to each other as described above, circuit
Insulating part 150 has can be set in plate 131.Specifically, insulating part 150 can be arranged around on the platform 124 of secondary cell 120
Circuit board 131.
In positive electrode lead lug plate 133a and positive electrode lug plate 122a is connected to each other as described above and negative electrode draws
After line lug plate 133b and negative electrode lug plate 122b is connected to each other as described above, can on shell 110 cloth circuits mould
Block 130 and secondary cell 120.At this point, connector 140 can have been coupled to circuit module 130.
After completing above-mentioned technique, outer cover 160 can be adhered to complete the manufacture of battery pack 100.
Therefore, because preventing at least one of lead lug plate 133 and electrode tabs 122 and circuit during welding
The circuit pattern of module 130 contacts, it is possible to improve the stability of battery pack 100.
In addition, in battery pack 100, since electrode tabs 122 are more prominent than circuit module 130, when assembling shell
When body 110, minimum interference can be made.
Although it have been described that preferred embodiment of the present disclosure, but the case where not departing from spirit and scope of the present disclosure
Under, it can make various changes and modifications wherein.Therefore, appended claims covering fall into spirit and scope of the present disclosure it
Interior all such changes and modification.
Industrial applicibility
Embodiment of the disclosure offer can be assembled easily and can be applied to electric vehicle, hybrid vehicle, ship
The battery pack of oceangoing ship, portable electronic device etc..
Claims (11)
1. a kind of battery pack, the battery pack include:
Secondary cell；
Circuit module is connected to the electrode tabs of secondary cell；And
Lead lug plate, is located on circuit module, and the electrode tabs of secondary cell are attached to lead lug plate,
Wherein, circuit module include recess, recess be located at is located in the part of lead lug plate, and be recessed open side with
Secondary cell back to.
2. battery pack according to claim 1, wherein lead lug plate is folding, and electrode tabs are placed
Between the folded portion of lead lug plate.
3. battery pack according to claim 1, wherein the depth of recess is greater than the width of lead lug plate.
4. battery pack according to claim 1, the battery pack further includes the shell for being wherein placed with circuit module.
5. battery pack according to claim 4, wherein housings close open side.
6. battery pack according to claim 4, wherein the distance of one end from the inner surface of shell to circuit module is less than
From the inner surface of shell to the distance of one end of lead lug plate.
7. battery pack according to claim 4, wherein the distance from inner surface to one end of lead lug plate of shell is small
Distance in one end from the inner surface of shell to electrode tabs.
8. battery pack according to claim 1, wherein secondary cell is bag type secondary battery.
9. battery pack according to claim 1, wherein the circuit pattern of circuit module is not stacked with lead lug plate.
10. battery pack according to claim 1, the battery pack further includes the connector for being connected to circuit module.
11. battery pack according to claim 1, the battery pack further includes insulating part, and insulating part is around circuit module
The part of electrode tabs is located thereon.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160143429A KR102183994B1 (en) | 2016-10-31 | 2016-10-31 | Battery pack |
| KR10-2016-0143429 | 2016-10-31 | ||
| PCT/KR2017/009393 WO2018080002A1 (en) | 2016-10-31 | 2017-08-29 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109923692A true CN109923692A (en) | 2019-06-21 |
| CN109923692B CN109923692B (en) | 2023-04-18 |
Family
ID=62023738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780067100.8A Active CN109923692B (en) | 2016-10-31 | 2017-08-29 | Battery pack |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102183994B1 (en) |
| CN (1) | CN109923692B (en) |
| WO (1) | WO2018080002A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044701A (en) * | 2009-10-09 | 2011-05-04 | 三星Sdi株式会社 | Battery pack and method of manufacturing the same |
| CN102742043A (en) * | 2010-02-01 | 2012-10-17 | 株式会社Lg化学 | Battery cell binding body having a novel structure and a battery pack comprising the same |
| US20130059171A1 (en) * | 2011-09-01 | 2013-03-07 | Samsung Sdi Co., Ltd. | Battery pack |
| CN103367684A (en) * | 2012-04-06 | 2013-10-23 | 三星Sdi株式会社 | Rechargeable battery pack |
| US20160093920A1 (en) * | 2014-09-29 | 2016-03-31 | Samsung Sdi Co., Ltd. | Battery pack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855183B1 (en) * | 2006-02-09 | 2008-08-28 | 주식회사 엘지화학 | PCM of Assembling Type Structure and Battery Pack Employed with the Same |
| EP2002495B1 (en) * | 2006-04-03 | 2015-09-09 | LG Chem, Ltd. | Lithium secondary battery improved safety and capacity |
| KR100973313B1 (en) * | 2008-03-28 | 2010-07-30 | 삼성에스디아이 주식회사 | Protection circuit board and battery pack using the same |
| KR101152471B1 (en) * | 2010-09-14 | 2012-06-01 | 삼성에스디아이 주식회사 | Battery Pack |
| US20130089755A1 (en) * | 2011-10-11 | 2013-04-11 | In-Soo Park | Battery Pack |
-
2016
- 2016-10-31 KR KR1020160143429A patent/KR102183994B1/en active IP Right Grant
-
2017
- 2017-08-29 WO PCT/KR2017/009393 patent/WO2018080002A1/en active Application Filing
- 2017-08-29 CN CN201780067100.8A patent/CN109923692B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044701A (en) * | 2009-10-09 | 2011-05-04 | 三星Sdi株式会社 | Battery pack and method of manufacturing the same |
| CN102742043A (en) * | 2010-02-01 | 2012-10-17 | 株式会社Lg化学 | Battery cell binding body having a novel structure and a battery pack comprising the same |
| US20130059171A1 (en) * | 2011-09-01 | 2013-03-07 | Samsung Sdi Co., Ltd. | Battery pack |
| CN103367684A (en) * | 2012-04-06 | 2013-10-23 | 三星Sdi株式会社 | Rechargeable battery pack |
| US20160093920A1 (en) * | 2014-09-29 | 2016-03-31 | Samsung Sdi Co., Ltd. | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109923692B (en) | 2023-04-18 |
| KR20180047406A (en) | 2018-05-10 |
| KR102183994B1 (en) | 2020-11-27 |
| WO2018080002A1 (en) | 2018-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5274026B2 (en) | Square battery | |
| US8778530B2 (en) | Battery and battery pack using the same | |
| US8663831B2 (en) | Rechargeable battery and its fabrication method | |
| US8216715B2 (en) | Prismatic battery | |
| US10910673B2 (en) | Rectangular secondary battery and method of manufacturing the same | |
| EP2899790A1 (en) | Electrode assembly, battery comprising same, and method for manufacturing same | |
| US20150037658A1 (en) | Stack type battery | |
| KR101074780B1 (en) | Cap assembly, can, and secondary battery using the same | |
| US20120301757A1 (en) | Rectangular battery | |
| US7425386B2 (en) | Electrode group for battery and non-aqueous electrolyte secondary battery using the same | |
| CN105990544A (en) | Battery pack | |
| JP7118242B2 (en) | secondary battery | |
| JP2003007346A (en) | Secondary lithium battery and manufacturing method of the same | |
| KR102486134B1 (en) | Cylindrical-type Battery Comprising Gasket- Washer for High-effective Sealing | |
| US11545705B2 (en) | Secondary battery and battery pack including the same | |
| CN217768705U (en) | Pole piece structure, electric core subassembly, battery monomer, battery and power consumption device | |
| US11705587B2 (en) | Terminal case having the improved function of estimating state of secondary battery | |
| CN109923692A (en) | Battery pack | |
| US11217830B2 (en) | Battery pack | |
| CN113924674A (en) | Secondary battery | |
| KR20190112575A (en) | busbar structure for high voltage of Battery module | |
| JP2003022791A (en) | Lithium secondary battery | |
| KR102650540B1 (en) | Secondary battery and method of manufacturing the same | |
| CN116247276A (en) | Secondary battery | |
| US9196893B2 (en) | 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |