CN107808940A - A kind of lithium battery - Google Patents
A kind of lithium battery Download PDFInfo
- Publication number
- CN107808940A CN107808940A CN201710890341.4A CN201710890341A CN107808940A CN 107808940 A CN107808940 A CN 107808940A CN 201710890341 A CN201710890341 A CN 201710890341A CN 107808940 A CN107808940 A CN 107808940A
- Authority
- CN
- China
- Prior art keywords
- battery core
- battery
- nickel strap
- lithium battery
- housing
- 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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of lithium battery, including：Battery core component, nickel strap component, housing and battery management system；Battery core component includes multiple battery cores；Housing is provided with multiple storage tanks for being used to house battery core, and multiple storage tanks are in honeycomb arrangement；Nickel strap component includes two nickel strap pieces positioned at battery core component both ends, and nickel strap piece includes the multiple weld parts being adapted with battery core and the connecting portion for being connected two adjacent solder portions；Weld part includes spot-welded structures and the fusing structure positioned at spot-welded structures both ends, the end connection of spot-welded structures and battery core；One end of fusing structure is connected with spot-welded structures, and the other end of fusing structure is connected with connecting portion；Battery management system electrically connects with battery core component.When the dangerous blast of a battery core or leakage, abnormal battery core and remaining battery core are separated, ensure that other battery cores are unaffected, the danger caused by battery core internal cause is rationally avoided, so as to ensure the security of lithium battery.
Description
Technical field
The present invention relates to energy-storage battery technical field, more particularly to a kind of lithium battery.
Background technology
At present, develop with the technology of energy-storage battery, whole energy-storage battery industry gradually realizes lead-acid accumulator to lithium
The upgrading of battery, increasing product have used lithium battery, due to the activity of lithium battery, such as improper use, it may occur that let out
Leak, catch fire, explode, the property safety of people is caused damage.And most lithium battery is all very simple lithium electricity at present
Pond battery core stack up does not have spacing, nickel strap is also common by common bar shaped nickel strap connection in series-parallel between battery core and battery core
Bar shaped, without any rational safeguard measure, even some lithium battery groups do not have protection board, are easily sent out during use
The problem of life is dangerous, and the event of a lot of battery packs blast occurred in actual life is due to single battery core mostly causes whole
The chain reaction of Battery pack group, cause immeasurable loss.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of lithium battery, to solve existing lithium electricity
The problem of Chi Yi causes danger.
The purpose of the present invention adopts the following technical scheme that realization：
A kind of lithium battery, including：Battery core component, nickel strap component, housing and battery management system；The battery core component includes
Multiple battery cores；The housing is provided with multiple storage tanks for being used to house the battery core, and multiple storage tanks are in cellular row
Row；The nickel strap component includes two nickel strap pieces positioned at the battery core component both ends, and the nickel strap piece includes and the battery core
The connecting portion in the two adjacent solder portions of multiple weld parts and connection being adapted；The weld part includes spot-welded structures and position
Fusing structure in the spot-welded structures both ends, the spot-welded structures are connected with the end of the battery core；The fusing structure
One end is connected with the spot-welded structures, and the other end of the fusing structure is connected with the connecting portion；The battery management system
Electrically connected with the battery core component.
Further, the fusing structure includes kink, and the kink causes between the connecting portion and the battery core
Every setting.
Further, the nickel strap piece is made up of multiple nickel strap bars being adapted with the battery core.
Further, the nickel strap bar is formed in one structure.
Further, in addition to positioned at hull outside radiator structure.
Further, the radiator structure includes the fin positioned at the housing both ends.
Further, the fin is silica gel piece.
Further, slot is formed between the connecting portion, the slot is sticked on the housing.
Further, the housing is provided with the projection being adapted with the slot.
Further, the housing includes upper casing support and lower casing support, and the upper casing support and the lower casing support are equal
For alveolate texture, the storage tank is engaged and formed by the upper casing support and the lower casing support.
Compared with prior art, the beneficial effects of the present invention are：Housing uses alveolate texture, each battery core is had independence
Cavity, and certain space is reserved between each battery core, will not be fast so as to when the dangerous blast of a battery core or leakage
Other battery cores of the influence of speed；Connected between spot-welded structures and connecting portion by fusing structure, fusing structure breaks when electric current is excessive
Open, so as to which abnormal battery core and remaining battery core be separated, ensure that other battery cores are unaffected, rationally avoid because battery core internal cause is led
The danger of cause, so as to ensure the security of lithium battery.
Brief description of the drawings
Fig. 1 is the schematic diagram of lithium battery provided in an embodiment of the present invention；
Fig. 2 is the exploded view of lithium battery shown in Fig. 1；
Fig. 3 is the enlarged drawing shown in Fig. 2 at lithium battery A；
Fig. 4 is the enlarged drawing shown in Fig. 2 at lithium battery B；
Fig. 5 is the enlarged drawing shown in Fig. 2 at lithium battery C.
In figure：1st, battery core component；11st, battery core；2nd, nickel strap component；21st, nickel strap piece；211st, weld part；2111st, spot welding knot
Structure；2112nd, fusing structure；21121st, kink；212nd, connecting portion；213rd, slot；22nd, nickel strap bar；221st, fixed part；3rd, shell
Body；31st, storage tank；32nd, it is raised；33rd, upper casing support；34th, lower casing support；4th, battery management system；5th, radiator structure；51st, dissipate
Backing.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As Figure 1-5, lithium battery provided in an embodiment of the present invention, including：Battery core component 1, nickel strap component 2, housing 3 and
Battery management system 4；Battery core component 1 includes multiple battery cores 11, and battery core 11 is cylindrical structure, for storing electric energy；On housing 3
Provided with multiple storage tanks 31 for being used to house battery core 11, multiple storage tanks 31 are in honeycomb arrangement；Each battery core 11 is respectively positioned on appearance
Put in groove 31, ensure each battery core 11 in an independent cavity, and be not in contact with each other between each two battery core 11, so as to work as
One battery core 11 is caused danger blast or during leakage, only influences current abnormal battery core, will not rapid contribution other battery cores.Nickel strap
Component 2 includes two nickel strap pieces 21 positioned at the both ends of battery core component 1, and nickel strap piece 21 includes the multiple welding being adapted with battery core 11
Portion 211 and the connecting portion 212 for connecting two adjacent solder portions 211；Weld part 211 includes spot-welded structures 2111 and positioned at point
The fusing structure 2112 at the both ends of welding structure 2111, spot-welded structures 2111 are connected with the end of battery core 11 so as to conduct electric current；Fusing
One end of structure 2112 is connected with spot-welded structures 2111, and the other end of fusing structure 2112 is connected with connecting portion 212；Fusing structure
2112 have certain overcurrent capability, if the electric current passed through is excessive, can generate heat and burn red until disconnecting, so as to by abnormal battery core
Separated with remaining battery core, ensure that remaining battery core is without damage, so as to ensure the security of lithium battery.Battery management system 4 and electricity
Core assembly 1 electrically connects, and battery management system 4 is the control unit of lithium battery, plays overcharge, overdischarge, overcurrent, excess temperature guarantor
The effect of shield, and function with battery core voltage balancing function and real-time integration metered capacity etc..
As shown in Fig. 2 spot-welded structures 2111 are two semicircular structures being adapted with the both positive and negative polarity of battery core 11, spot welding knot
Structure 2111 is welded on the negative or positive electrode of battery core 11, and fusing structure 2112 is the list structure being adapted with size of current,；Phase
For connecting portion 212, the sectional area of fusing structure 2112 is smaller and length is longer, and the capacity of heat transmission is small very relative to the nickel strap of whole piece
More, when current battery core 11 is short-circuit, the huge heating of battery core 11 will not be delivered to the battery core 11 on side by fusing structure 2112
Up, so as to ensure sprawling that heat will not be quickly, the security of lithium battery is ensured.Fusing structure 2112 includes kink
21121, kink 21121 is bent to form to along the extension of the both ends of spot-welded structures 2111 and to the direction of remote battery core 11；It is curved
Folding part 21121 has certain bending angle by being stamped and formed out so that connecting portion 212 is arranged at intervals with battery core 11, is ensured
Not in one plane, so that when fusing structure 2112 disconnects, connecting portion 212 will not for the end of connecting portion 212 and battery core 11
Play a part of conducting, ensure the security of lithium battery.
As preferred embodiment, nickel strap piece 21 is made up of multiple nickel strap bars 22 being adapted with battery core 11, weld part
211 are set along the length direction of nickel strap bar 22 in two row, and connecting portion 212, nickel strap bar 22 are provided between two neighboring weld part 211
Be formed in one structure, is easy to processing and structure is reliable.Slot 213 is formed between connecting portion 212, slot 213 is sticked in
On housing 3, housing 3 is provided with the projection 32 being adapted with slot 213 so that nickel strap bar 22 is firmly secured in battery core 11.
Nickel strap bar 22 positioned at the both sides of the wherein one end of battery core component 1 is provided with the fixed part 221 bent to the direction of housing 3, fixed part
221 are fixed on housing 3, ensure being fixedly secured for each part of lithium battery.
As preferred embodiment, housing 3 includes upper casing support 33 and lower casing support 34, upper casing support 33 and lower casing branch
Frame 34 is molded by fireproof PC+ABS materials, is closely connected by screw, is fixed into an entirety, battery management system
4 are assemblied in the outside of housing 3, and upper casing support 33 and lower casing support 34 are alveolate texture, and storage tank 31 is by upper casing support 33
It is engaged and forms with lower casing support 34, is easy to assemble.Lithium battery also includes the radiator structure 5 positioned at the outside of housing 3, to conduct electricity
The heat of core 11, ensure that each temperature of battery core 11 is consistent.Further, radiator structure 5 includes the fin positioned at the both ends of housing 3
51, fin 51 is silica gel piece, and fin 51 is covered in the positive pole and negative pole of battery core 11, ensures that battery core 11 quickly conducts heat.
Lithium battery provided by the invention, housing use alveolate texture, each battery core is had independent cavity, and each electricity
Certain space is reserved between core, so as to when the dangerous blast of a battery core or leakage, will not quickly influence other electricity
Core；Connected between spot-welded structures and connecting portion by fusing structure, fusing structure disconnects when electric current is excessive, so as to which exception is electric
Core separates with remaining battery core, ensures that other battery cores are unaffected, the danger caused by battery core internal cause is rationally avoided, so as to protect
Demonstrate,prove the security of lithium battery.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
- A kind of 1. lithium battery, it is characterised in that including：Battery core component, nickel strap component, housing and battery management system；The electricity Core assembly includes multiple battery cores；The housing is provided with multiple storage tanks for being used to house the battery core, multiple storage tanks In honeycomb arrangement；The nickel strap component includes two nickel strap pieces positioned at the battery core component both ends, and the nickel strap piece includes Multiple weld parts for being adapted with the battery core and the connecting portion for being connected two adjacent solder portions；The weld part includes spot welding Structure and the fusing structure positioned at the spot-welded structures both ends, the spot-welded structures are connected with the end of the battery core；It is described One end of fusing structure is connected with the spot-welded structures, and the other end of the fusing structure is connected with the connecting portion；The electricity Pond management system electrically connects with the battery core component.
- 2. lithium battery according to claim 1, it is characterised in that the fusing structure includes kink, the kink So that the connecting portion is arranged at intervals with the battery core.
- 3. lithium battery according to claim 2, it is characterised in that the nickel strap piece is adapted with the battery core by multiple Nickel strap bar forms.
- 4. lithium battery according to claim 3, it is characterised in that the nickel strap bar is formed in one structure.
- 5. lithium battery according to claim 1, it is characterised in that also include the radiator structure positioned at hull outside.
- 6. lithium battery according to claim 5, it is characterised in that the radiator structure is included positioned at the housing both ends Fin.
- 7. lithium battery according to claim 6, it is characterised in that the fin is silica gel piece.
- 8. the lithium battery stated according to claim 1, it is characterised in that slot, the slot are formed between the connecting portion It is sticked on the housing.
- 9. lithium battery according to claim 8, it is characterised in that the housing is provided with what is be adapted with the slot It is raised.
- 10. lithium battery according to claim 1, it is characterised in that the housing includes upper casing support and lower casing support, institute It is alveolate texture to state upper casing support and the lower casing support, and the storage tank is by the upper casing support and the lower casing support It is engaged and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890341.4A CN107808940B (en) | 2017-09-27 | 2017-09-27 | Lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890341.4A CN107808940B (en) | 2017-09-27 | 2017-09-27 | Lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107808940A true CN107808940A (en) | 2018-03-16 |
| CN107808940B CN107808940B (en) | 2021-05-28 |
Family
ID=61591797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710890341.4A Active CN107808940B (en) | 2017-09-27 | 2017-09-27 | Lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107808940B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459725A (en) * | 2018-05-08 | 2019-11-15 | 欣旺达电动汽车电池有限公司 | Aluminium dish composite bar connection scheme |
| CN112024427A (en) * | 2020-07-08 | 2020-12-04 | 惠州金源精密自动化设备有限公司 | Battery discharging device and battery |
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| KR100934459B1 (en) * | 2006-11-27 | 2009-12-30 | 주식회사 엘지화학 | Battery pack with excellent productivity and structural stability |
| CN102122726A (en) * | 2010-01-08 | 2011-07-13 | 富港电子(昆山)有限公司 | Lithium battery and manufacturing method thereof |
| CN102623651A (en) * | 2012-04-17 | 2012-08-01 | 山东精工电子科技有限公司 | Cylindrical lithium battery |
| CN204760437U (en) * | 2015-05-28 | 2015-11-11 | 北京波士顿动力电池有限公司 | Lithium battery module and this lithium battery module's block structure |
| CN105449150A (en) * | 2015-12-25 | 2016-03-30 | 成都雅骏新能源汽车科技股份有限公司 | Bus bar applied to lithium ion battery pack |
| CN206134784U (en) * | 2016-06-07 | 2017-04-26 | 上海鼎研智能科技有限公司 | Electrode connector |
| CN206471393U (en) * | 2017-02-28 | 2017-09-05 | 北京新能源汽车股份有限公司 | A kind of battery modules and electric automobile |
| CN206516696U (en) * | 2017-03-10 | 2017-09-22 | 上海鼎研智能科技有限公司 | A kind of electrode connecting piece |
-
2017
- 2017-09-27 CN CN201710890341.4A patent/CN107808940B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100934459B1 (en) * | 2006-11-27 | 2009-12-30 | 주식회사 엘지화학 | Battery pack with excellent productivity and structural stability |
| CN102122726A (en) * | 2010-01-08 | 2011-07-13 | 富港电子(昆山)有限公司 | Lithium battery and manufacturing method thereof |
| CN102623651A (en) * | 2012-04-17 | 2012-08-01 | 山东精工电子科技有限公司 | Cylindrical lithium battery |
| CN204760437U (en) * | 2015-05-28 | 2015-11-11 | 北京波士顿动力电池有限公司 | Lithium battery module and this lithium battery module's block structure |
| CN105449150A (en) * | 2015-12-25 | 2016-03-30 | 成都雅骏新能源汽车科技股份有限公司 | Bus bar applied to lithium ion battery pack |
| CN206134784U (en) * | 2016-06-07 | 2017-04-26 | 上海鼎研智能科技有限公司 | Electrode connector |
| CN206471393U (en) * | 2017-02-28 | 2017-09-05 | 北京新能源汽车股份有限公司 | A kind of battery modules and electric automobile |
| CN206516696U (en) * | 2017-03-10 | 2017-09-22 | 上海鼎研智能科技有限公司 | A kind of electrode connecting piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459725A (en) * | 2018-05-08 | 2019-11-15 | 欣旺达电动汽车电池有限公司 | Aluminium dish composite bar connection scheme |
| CN112024427A (en) * | 2020-07-08 | 2020-12-04 | 惠州金源精密自动化设备有限公司 | Battery discharging device and battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107808940B (en) | 2021-05-28 |
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