CN201508864U - Battery cover plate assembly, single battery and battery pack - Google Patents
Battery cover plate assembly, single battery and battery pack Download PDFInfo
- Publication number
- CN201508864U CN201508864U CN2009202048989U CN200920204898U CN201508864U CN 201508864 U CN201508864 U CN 201508864U CN 2009202048989 U CN2009202048989 U CN 2009202048989U CN 200920204898 U CN200920204898 U CN 200920204898U CN 201508864 U CN201508864 U CN 201508864U
- Authority
- CN
- China
- Prior art keywords
- battery
- cover board
- battery cover
- board assembly
- hole
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a battery cover plate assembly and a single battery and a battery pack comprising the same, wherein the battery cover plate assembly comprises a battery cover plate and at least one electrode assembly penetrating through the battery cover plate and leading out the current; the electrode assembly comprises a bottom plate, a safety diaphragm, an insulating ring, a pressure deformed part and a top cover; a through hole is arranged at the center of the bottom plate; the safety diaphragm covers the through hole and is connected with the bottom plate; a connecting point is arranged at the center of the safety diaphragm; nicks are arranged at the periphery of the connecting point and above the through hole; the insulating ring is arranged on the bottom plate and covers the edge of the bottom plate; the pressure deformed part is arranged on the insulating ring; the center of the pressure deformed part is depressed downward to form a boss which penetrates through the insulating ring and is connected with the connecting point of the safety diaphragm; and a vent hole is arranged at the periphery of the through hole on the bottom plate. The battery cover plate assembly can realize the power cut and explosion-proof functions under the pressure of 0.15-0.6MPa, has sensitive reaction, stops the internal reaction of the battery in earlier stage, checks erroneous ideas at the outset and controls the safety performance of the battery early.
Description
Technical field
The utility model relates to a kind of battery cover board assembly, contains the cell and the battery pack of this battery cover board assembly.
Background technology
At present, advantage such as lithium ion battery is little with its volume, energy is high, pollution-free is used for portable electronic products such as mobile phone, digital camera more and more widely.Along with the extensive use of lithium ion battery, its security performance also more and more comes into one's own.
Under can taking place because of fortuitous events such as external short circuits, lithium ion battery is subjected to the impact of big electric current in storage, transportation, chemical reaction takes place and cause excessive, the cell fracture of cell internal pressure at inside battery generation abnormal gas, battery is overheated simultaneously, even may cause battery explosion; Battery is subjected to the impact of big electric current when discharging and recharging, also may cause the blast of battery, and simultaneously battery also can reduce the security performance and the reliability of battery greatly under the state that overcharges with overdischarge.
The lithium ion battery of prior art generally by adopting explosion-proof valve to realize release, is realized outage by thermistor or Thermal Cutoffs.The universal method of explosion-proof valve is at battery container upper punch tool mark, when battery causes inner pressure of battery to continue to increase because of reasons such as overshoot, short circuits, pressure is during greater than the damaged pressure of explosion-proof valve, explosion-proof valve breaks, inside battery electrolyte and gas leak together, avoid inner pressure of battery to continue to increase and produce blast.By between loam cake and electrode assemblie pole, promptly being close to the battery outer wall between battery plus-negative plate, or in the inboard of battery lid, welding thermistor (PTC), when battery generation external short circuit, PTC sharply raises owing to function of current internal resistance meeting, thereby reduces short circuit current, prevents that battery is overheated.When overcharging, because the temperature of battery surface raises, the PTC internal resistance of being heated is raise, shared overcharged voltage, stoped further overcharging of battery.But existing explosion-proof valve is owing to be engraved on the battery container, for transportation, consideration safe in utilization, the indentation area generally can not be too big, makes the indentation required pressure that breaks bigger, react insensitive, fail safe can not effectively be guaranteed,, is making and use breakage easily again for reducing the thin metallic film that starting pressure adopts at existing, reduced rate of finished products, improved fraction defective, and the consistency of product reduction, quality assurance reduced; Explosion-proof valve generally is exposed on battery container in the air simultaneously, and is aging easily in production and use, loses its function; Perhaps battery factors such as explosion-proof impression may be stopped in general parallel connection, assembling use lost efficacy and had potential safety hazard.And thermistor or Thermal Cutoffs only rely on the temperature on battery container surface, and sense temperature there are certain scope and response time, reaction sensitivity is not high, therefore, only use the security performance of battery of thermistor or Thermal Cutoffs also unsatisfactory, safe serious accidents such as existing battery explosion also happen occasionally.
Especially for the existing focus automobile batteries of studying, its operational environment complexity, require more strict, particularly safety problem is the emphasis and the difficult point of prior art research always, because its required power supply is big, generally a plurality of battery strings are composed in parallel, connect complicated, and the operational environment of battery is to move the state that jolts substantially, increased the generation probability of short circuit, and battery capacity is big, reacts more violent, and the string of a plurality of batteries and connection inevitably cause the explosion-proof valve on the battery container to be stopped inefficacy, bring serious potential safety hazard to battery.
The utility model content
Still there is hidden danger in the security performance that the utility model has solved existing battery, and the problem that serious security incident such as blast still happens occasionally solves the safety problem of electrokinetic cell especially.
Provide a kind of security performance higher, can realize that fast break and release improve the battery cover board assembly of battery safety, comprise battery cover board, at least one runs through the electrode assemblie that battery cover board is used for derived current, wherein, electrode assemblie comprises base plate, safety diaphragm, insulated ring, pressure distortion spare and top cover; The base plate central part contains through hole, and safety diaphragm covers through hole and is connected with base plate; Tie point is contained in the centre of safety diaphragm, and the tie point periphery is provided with indentation, and indentation is positioned on the through hole; Insulated ring is positioned on the base plate, and covers bottom edge; Insulated ring contains centre bore; Pressure distortion spare is positioned on the insulated ring, and the mediad lower recess of pressure distortion spare forms boss, and the centre bore that boss passes insulated ring is connected with the tie point of safety diaphragm; The periphery of through hole is provided with steam vent on the base plate.
Another order of the present utility model has provided that a kind of security performance is higher, quality reliable battery more, comprise battery cover board assembly, battery container, pole piece and electrolyte, pole piece and electrolyte level are in battery container, battery cover board assembly and battery container are tightly connected, and the electrode assemblie on the battery cover board assembly is connected projected current with pole piece.
Battery of the present utility model is overcharging or when unexpected, when expanding gas pressure is high slightly, air pressure can be with the depression of the pressure distortion spare of the utility model electrode assemblie projection round about, thereby upwards spur connected part safety diaphragm, safety diaphragm is fixed on again on the base plate simultaneously, and pulling force forces safety diaphragm to rupture in indentation, thereby realize outage and release, react sensitiveer, can cut off the electricity supply rapidly stops charging, forces the inside battery reaction to stop gradually.
Pressure distortion spare and safety diaphragm and safety diaphragm and base plate also can be realized the disconnection of tie point.For high capacity cell, the conducting of electric current must need certain conducting area, otherwise may cause the internal resistance of battery to increase serious problems such as the heating of tie point because the conducting area is not enough, the utility model can well guarantee the area of tie point, guarantee the current lead-through ability, prevent that difficulty is drawn back from tie point because the tie point area is excessive, and draw back dual fast break and the release that has guaranteed battery cover board assembly under the atmospheric pressure from indentation.Guarantee the stability of battery runs down, reacted sensitiveer, the security performance of battery has been played more early prevention effect, improved the security performance of battery.
Battery cover board assembly of the present utility model can be realized outage, the inside battery reaction is stopped, also can realize simultaneously the release of inside battery gas, the buffer battery pressure inside, prevent that battery explosion from guaranteeing the safety of battery, ensured the producer and user's personal safety, very sensitive promptly realizes the release of cutting off the power supply from little pressure, prevent the rapid accumulation of gas, and can't start outage rapidly, pressure relief or outage, pressure relief can not be dealt with problems rapidly, has reaction time and hysteresis effect, and the gas that causes accumulation expands rapidly and uncontrollable, blast, jeopardize life safety; Also can eliminate simultaneously the potential safety hazard that factors such as the in use explosion-proof impression of battery may be stopped lost efficacy; React sensitiveer, the inside battery that stops early reacts, check erroneous ideas at the outset, and the security performance of control battery early, battery cover board assembly of the present utility model can realize that the outage of 0.15-0.6MP pressure is explosion-proof, is quick on the draw.The utility model is preferably by being provided with conventional explosion-proof impression on the housing of battery, be used for realizing the dual release of bigger pressure, further improve security performance, for example cell reaction is too violent, still can not stop the generation of reacting gas after the outage rapidly, then explosion-proof impression breaks, and expanding gas is discharged from rent, reach the purpose of release, further ensure the producer and user's personal safety.
Another purpose of the present utility model provides a kind ofly forms battery pack by above-mentioned cell serial or parallel connection.
Description of drawings
Fig. 1 is the structural representation of a kind of execution mode of the utility model electrode assemblie;
Fig. 2 is the structural representation of battery of the present utility model;
Fig. 3 is the partial enlarged drawing at A place;
Fig. 4 is the vertical view of safety diaphragm and safety diaphragm fixed pressure ring
Fig. 5 is the generalized section of safety diaphragm and safety diaphragm fixed pressure ring.
The 1-battery cover board
2-electrode assemblie 21-top cover 22-safety diaphragm 221-safety diaphragm fixed pressure ring 222-tie point 223-indentation 23-base plate 231-insulated ring 232-steam vent 233-through hole
24-pressure distortion spare 241-boss 25-sealing plate 26-trip bolt 27-lead-out tablet 28-electric current leading-out terminal
3-electricity core 31-electrode slice
Embodiment
The utility model provides a kind of security performance higher, can realize that fast break and release improve the battery cover board assembly of battery safety, comprise battery cover board, at least one runs through the electrode assemblie that battery cover board is used for derived current, wherein, electrode assemblie comprises base plate, safety diaphragm, insulated ring, pressure distortion spare and top cover; The base plate central part contains through hole, and safety diaphragm covers through hole and is connected with base plate; Tie point is contained in the centre of safety diaphragm, and the tie point periphery is provided with indentation, and indentation is positioned on the through hole; Insulated ring is positioned on the base plate, covers bottom edge, realizes that indentation disconnects or tie point disconnects the outage that promptly realizes electrode assemblie; Insulated ring contains centre bore; Pressure distortion spare is positioned on the insulated ring, and the mediad lower recess of pressure distortion spare forms boss, and the centre bore that boss passes insulated ring is connected with the tie point of safety diaphragm; The periphery of through hole is provided with steam vent on the base plate.Battery cover board assembly of the present utility model can realize that the outage of 0.15-0.6MP pressure is explosion-proof, is quick on the draw, and the inside battery that stops early reacts, and checks erroneous ideas at the outset the security performance of control battery early.
Wherein, the steam vent on the base plate is preferably peripheral and be centrosymmetric at through hole, presses when raising fast in centrosymmetric a plurality of holes can be implemented in, and the compression area of pressure distortion spare is evenly distributed.
Wherein, also be provided with the safety diaphragm fixed pressure ring on the safety diaphragm, safety diaphragm is fixed on the base plate, the indentation of safety diaphragm is positioned at the hole of safety diaphragm fixed pressure ring.Thereby realize safety diaphragm fixedly securing on base plate, strengthen two-way function power, make the easier realization fracture of indentation, easier realization outage.The safety diaphragm fixed pressure ring is realized with adopting laser welding or brazing mode being connected of base plate and safety diaphragm.
The stepped hole that the preferred through hole of the utility model increases successively for radius from top to bottom, the lower surface of base plate also preferably is provided with sealing plate simultaneously, and sealing plate is positioned under the through hole, and the sealing through hole, helps focus pressure in the indentation periphery, is more conducive to the fracture of indentation.
The thickness of safety diaphragm can be optimized the ducting capacity of electrode assemblie, can optimize the size of outage pressure again to a certain extent, therefore the thickness of safety diaphragm can be optimized the internal resistance and the security performance of battery of the present utility model, the deformability under certain pressure of the utility model preferred security film, thickness is preferably 0.01-0.10mm, 0.02-0.05mm more preferably makes the best performanceization of battery.The shape of safety diaphragm is adjusted according to battery and base plate etc., and the utility model is not particularly limited, and can be big square of conducting area, also can be circle, ellipse etc.The material of safety diaphragm, the utility model is not particularly limited, and can select the 0.1-0.2mm fine copper sheet with good admittance ability and corrosion resistance for use, or conduction organic elastomer film etc.Base plate the utility model is not particularly limited, and thickness can be preferably 0.1-0.5mm, 0.1-0.2mm more preferably, and material can adopt hard attitude red copper, high-strength copper alloy etc.
Indentation of the present utility model can adopt and well known to a person skilled in the art that various technology realize, for example laser ablation or machining etc.
Being connected the utility model and can being preferably welding of pressure distortion spare and safety diaphragm, welding manner includes but not limited to electric resistance welding, Laser Welding, soldering etc.
The area of the utility model tie point is directly proportional with the conductive capability of tie point, and for making electric current admittance ability optimization, the area of preferred tie point is 5-20mm
2, further reduce the outage pressure of electrode assemblie.The admittance ability of the utility model preferred electrode assembly is that 40A-70A outage starting pressure is 0.15-0.25MP, makes the best performanceization of battery.
The top cover of electrode assemblie of the present utility model, pressure distortion spare, sealing ring, and the connection of floor piece can adopt the various technology that well known to a person skilled in the art, for example bound edge spare welding, the utility model preferably passes through bolt, realization is fastenedly connected, and needs the ground of insulation can adopt minor insulation or add insulating particle.
Wherein, the utility model is the clamping insulating sealer between electrode assemblie and battery cover board assembly, and the insulating sealer structure can adopt and well known to a person skilled in the art various insulation technologies realizations.For example, adopt integral molded plastic after the electrode assemblie assembly that assembles and the installation of cover plate.
Electrode assemblie of the present utility model can comprise at least two same polarity electrode assemblies of deriving same current, be connected in parallel between the same polarity electrode assemblie, adopt this a plurality of same polarity electrode assemblie to increase security performance, overcome tie point area that this safeguard construction that high capacity cell improves security performance must reduce safety diaphragm and base plate by the conducting area that reduces electrode assemblie and mentioned the sensitivity of battery runs down, thereby improved the internal resistance of battery, reduced the difficulty of the heat-conducting area of battery, especially for electrokinetic cell, influence will be bigger, overcome this losing more than gain cleverly, be connected in parallel by a plurality of this same polarity electrode assemblies with power down function, each connects the less electrode assemblie of area can realize outage fast under inside battery air pressure, each electrode assemblie realizes that the required impulsive force of outage reduces, both made pressure less, also can sensitively realize outage, guaranteed the stability of battery runs down, react sensitiveer, security performance to battery plays the more prevention effect of morning, has improved the security performance of battery; The utility model adopts a plurality of same polarity electrode assemblies to come derived current simultaneously, increases the conducting area of electric current, has reduced the internal resistance of battery; And improve the heat-conducting area of battery simultaneously, further improve the security performance of battery.
Form hollow-core construction between top cover and the safety diaphragm; The air pressure that is used for better buffer battery inside.Fix an electric current leading-out terminal on the cover plate, draw the inside battery electric current.Be electrically connected to adopt between the top cover of same polarity electrode assemblie and well known to a person skilled in the art various connected modes, but on the utility model preferred electrode assembly top cover lead-out tablet is set, adopt lead-out tablet that the top cover of a plurality of same polarity electrode assemblies is connected, realize the parallel connection of same polarity electrode assemblie, be connected with the electric current leading-out terminal again, lead-out tablet can adopt the various technology that well known to a person skilled in the art with being connected of electrode assemblie and electric current leading-out terminal, for example welding or applying etc., for reducing the internal resistance of cell, increase the conducting area of electric current, preferred lead-out tablet is a sheet, is connected to be fitted and connected.The electric current leading-out terminal can adopt and well known to a person skilled in the art that various technology are fixing on the cover board, for example welding or be injected into integrative-structure with cover plate, the utility model can be connected by an electrode assemblie preferably direct and in the same polarity electrode assemblie, save the current lead-through area, connection can be adopted by open screw hole on the top cover of connected electrode assemblie, electrode assemblie is connected by bolted with the electric current leading-out terminal, increase the fastness of electrode assemblie, mobile influence to him prevents to jolt, sealed insulation between bolt and top cover for example can be taked minor insulation or add insulating particle simultaneously.
The utility model provides the battery that uses above-mentioned battery cover board assembly simultaneously, comprises battery cover board assembly, battery container, pole piece and electrolyte, and pole piece and electrolyte level are in battery container, and battery cover board assembly and battery container are tightly connected; Pole piece is connected with electrode assemblie conducting on the battery cover board assembly.Wherein, the shape of battery cover board assembly and material are as well known to those skilled in the art, and battery cover board assembly of the present utility model is generally greater than 28mm * 100mm, and material is generally aluminium alloy, stainless steel etc.Battery container also is a various battery container known in those skilled in the art, and for example thick 57mm * wide 145mm * high 390mm, material are generally aluminium alloy, aluminum steel composite plate, stainless steel etc.Pole piece, lug and electrolyte also are various Battery Pole Core known in those skilled in the art, lug and electrolyte.Can be by lug and the direct conducting of two electrode assemblies, also can be by other connection conductings of optimizing structure such as splicing ears.The utility model is not particularly limited, and can adopt existing optimizing structure of various batteries to optimize square battery cover plate assembly of the present utility model and battery.
The two ends of the utility model preferred battery housing are provided with cover plate.Drawing a plurality of lugs on the pole piece is electrically connected with electrode assemblie, lug comprises the negative electrode lug that is used to draw the anode ear of positive current and is used to draw negative current, positive and negative lug lays respectively at the two ends of pole piece and is connected with electrode assemblie on the double-end cover plate of battery container, and preferably the electrode assemblie on each cover plate is the same polarity electrode assemblie.
The utility model can preferably be provided with explosion-proof impression on the housing of battery, be used for realizing the dual release of bigger pressure, further improves security performance.Explosion-proof impression adopts and well known to a person skilled in the art various explosion-proof impressions.
Another purpose of the present utility model provides a kind ofly forms battery pack by above-mentioned cell serial or parallel connection.The serial or parallel connection of battery adopts and well known to a person skilled in the art that various technology connect the electric current leading-out terminal and realize.
Describe the present invention with reference to the accompanying drawings.
Fig. 1,2,3,4 is the structural representation of a kind of execution mode of battery of the present utility model, be penetrated with the electrode assemblie 2 of the same polarity of three parallel connections in the battery cover board assembly 1, electrode assemblie 2 comprise top cover 21 and and the base plate 23 of its formation hollow-core construction and be in top cover 21 and base plate 23 between pressure distortion spare 24, a through hole 233 is contained in base plate 23 central authorities, the fixing safety diaphragm 22 that can cover through hole 233 on through hole 233, by safety diaphragm fixed pressure ring 221 safety diaphragm 22 is being pressed on the base plate 23, is passing through insulated ring 231 again base plate 23 edges and pressure distortion spare 24 and top cover 21 insulation.The mediad lower recess of pressure distortion spare 24 forms boss 241, centre bore and safety diaphragm 22 that boss 241 passes insulated ring 231 weld by electric resistance welding, form tie point 222 conducting electric currents, it is indentation 223 that safety diaphragm 22 has a circle shallow slot in tie point 222 peripheral machinings.The top cover 21 of electrode assemblie 2, pressure distortion spare 24, insulated ring 231 and 23 of base plates all can adopt trip bolt 26 assemblings, need the filling the adopted insulating particle insulation of insulation.Outside through hole 233, be with along centrosymmetric plurality of rows pore 232 on the base plate 23, be used for ventilation; For concentrating gas pressure, can be at 233 times fixing seal plates 25 of through hole.The base plate 23 of electrode assemblie 2 is realized current lead-through with the pole piece 3 of battery container inside by electrode slice 31, the electrode assemblie 2 of same polarity is realized in parallel by the lead-out tablet 24 that links to each other with top cover 21, electric current leading-out terminal 28 adds on the top cover that laser welding is defined in second electrode assemblie by bolt, be connected with lead-out tablet 24, draw inside battery same polarity electric current.The also fixedly connected cover plate roughly the same of the other end of battery is drawn opposite polarity electric current.
Battery cover board assembly of the present utility model can be realized outage, the inside battery reaction is stopped, also can realize simultaneously the release of inside battery gas, the buffer battery pressure inside, prevent that battery explosion from guaranteeing the safety of battery, ensured the producer and user's personal safety, very sensitive promptly realizes the release of cutting off the power supply from little pressure, prevent the rapid accumulation of gas, and can't start outage rapidly, pressure relief or outage, pressure relief can not be dealt with problems rapidly, has reaction time and hysteresis effect, and the gas that causes accumulation expands rapidly and uncontrollable, blast, jeopardize life safety; Also can eliminate simultaneously the potential safety hazard that factors such as the in use explosion-proof impression of battery may be stopped lost efficacy; React sensitiveer, the inside battery that stops early reacts, check erroneous ideas at the outset, and the security performance of control battery early, battery cover board assembly of the present utility model can realize that the outage of 0.15-0.6MP pressure is explosion-proof, is quick on the draw.The utility model is preferably by being provided with conventional explosion-proof valve on the housing of battery, be used for realizing the dual release of bigger pressure, further improve security performance, for example cell reaction is too violent, still can not stop the generation of reacting gas after the outage rapidly, then explosion-proof impression breaks, and expanding gas is discharged from rent, reach the purpose of release, further ensure the producer and user's personal safety.
Claims (11)
1. a battery cover board assembly is characterized in that, comprises battery cover board, at least one runs through the electrode assemblie that battery cover board is used for derived current;
Described electrode assemblie comprises base plate, safety diaphragm, insulated ring, pressure distortion spare and top cover;
Described base plate central part contains through hole, and described safety diaphragm covers through hole and is connected with base plate; Tie point is contained in the centre of described safety diaphragm, and described tie point periphery is provided with indentation, and described indentation is positioned on the through hole;
Described insulated ring contains centre bore; Described insulated ring is positioned on the base plate, and covers bottom edge;
Described pressure distortion spare is positioned on the insulated ring, and the mediad lower recess of described pressure distortion spare forms boss, and the centre bore that described boss passes insulated ring is connected with the tie point of safety diaphragm;
The periphery of through hole is provided with steam vent on the described base plate.
2. battery cover board assembly according to claim 1 is characterized in that, also is provided with the safety diaphragm fixed pressure ring on the described safety diaphragm, and safety diaphragm is fixed on the base plate.
3. battery cover board assembly according to claim 1 is characterized in that, the stepped hole that described through hole increases successively for radius from top to bottom, and the lower surface of described base plate is provided with sealing plate, and described sealing plate is positioned at stepped hole under also sealed step hole.
4. battery cover board assembly according to claim 1 is characterized in that, the thickness of described safety diaphragm is 0.01-0.10mm.
5. battery cover board assembly according to claim 1 is characterized in that, the area of described tie point is 5-20mm
2
6. battery cover board assembly according to claim 1 is characterized in that, clamping insulating sealer between described electrode assemblie and battery cover board assembly.
7. battery cover board assembly according to claim 1 is characterized in that, described electrode assemblie comprises at least two same polarity electrode assemblies of deriving same current, and is in parallel between described same polarity electrode assemblie;
Fix an electric current leading-out terminal on the described battery cover board;
Also all be connected with lead-out tablet on the top cover of described each same polarity electrode assemblie, described each lead-out tablet all is connected with the electric current leading-out terminal.
8. cell, comprise battery cover board assembly, battery container, pole piece and electrolyte, pole piece and electrolyte level are in battery container, battery cover board assembly and battery container are tightly connected, electrode assemblie on the battery cover board assembly is connected projected current with pole piece, it is characterized in that described battery cover board assembly is any described battery cover board assembly of claim 1-7.
9. cell according to claim 8 is characterized in that the two ends of described battery container are equipped with cover plate;
Draw a plurality of lugs on the described pole piece and be electrically connected with electrode assemblie, described lug comprises the negative electrode lug that is used to draw the anode ear of positive current and is used to draw negative current, and described positive and negative lug lays respectively at the two ends of pole piece.
10. cell according to claim 8 is characterized in that, also is provided with explosion-proof indentation on the described battery container.
11. a battery pack is characterized in that described battery pack is made up of the cell serial or parallel connection, described cell is any described cell of claim 8-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202048989U CN201508864U (en) | 2009-09-10 | 2009-09-10 | Battery cover plate assembly, single battery and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202048989U CN201508864U (en) | 2009-09-10 | 2009-09-10 | Battery cover plate assembly, single battery and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508864U true CN201508864U (en) | 2010-06-16 |
Family
ID=42469988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202048989U Expired - Lifetime CN201508864U (en) | 2009-09-10 | 2009-09-10 | Battery cover plate assembly, single battery and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508864U (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403482A (en) * | 2011-11-30 | 2012-04-04 | 江苏富朗特新能源有限公司 | Method for connecting pole column of high-capacity metal shell battery and top cover |
| CN103219482A (en) * | 2012-01-20 | 2013-07-24 | 东莞超霸电池有限公司 | Battery |
| EP3188280A1 (en) * | 2016-01-04 | 2017-07-05 | Samsung SDI Co., Ltd | Cap assembly and secondary battery including the same |
| WO2017143753A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| WO2017143750A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| WO2017143754A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, battery pack, and electric vehicle |
| WO2017143752A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| WO2017143749A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric automobile |
| CN107123768A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123783A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123756A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Current interrupt device, cell, battery modules, electrokinetic cell and electric automobile |
| CN107123775A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123780A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123778A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123782A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| EP3255698A1 (en) * | 2016-06-07 | 2017-12-13 | Contemporary Amperex Technology Co., Limited | Top cover of power battery and power battery |
| CN107634157A (en) * | 2017-09-19 | 2018-01-26 | 东莞市奕东电子有限公司 | A kind of the stable response method and its capping structure of power lithium battery power-off protection |
| CN108232044A (en) * | 2016-12-13 | 2018-06-29 | 比亚迪股份有限公司 | Battery pack and with its vehicle |
| CN108490717A (en) * | 2018-02-28 | 2018-09-04 | 歌尔股份有限公司 | Panorama camera shell and panorama camera device |
| CN110611058A (en) * | 2018-06-14 | 2019-12-24 | 罗伯特·博世有限公司 | Method for producing a housing for a lithium ion battery and housing for a lithium ion battery |
| EP3836298A1 (en) * | 2019-12-13 | 2021-06-16 | Proterra Inc. | Battery vent system |
| US20210278479A1 (en) * | 2019-02-22 | 2021-09-09 | Lg Chem, Ltd. | Bus bar for battery cell connection, battery pack, and manufacturing method therefor |
| CN113437426A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
-
2009
- 2009-09-10 CN CN2009202048989U patent/CN201508864U/en not_active Expired - Lifetime
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403482A (en) * | 2011-11-30 | 2012-04-04 | 江苏富朗特新能源有限公司 | Method for connecting pole column of high-capacity metal shell battery and top cover |
| CN103219482A (en) * | 2012-01-20 | 2013-07-24 | 东莞超霸电池有限公司 | Battery |
| US10665851B2 (en) | 2016-01-04 | 2020-05-26 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery including the same |
| EP3188280A1 (en) * | 2016-01-04 | 2017-07-05 | Samsung SDI Co., Ltd | Cap assembly and secondary battery including the same |
| CN106941136A (en) * | 2016-01-04 | 2017-07-11 | 三星Sdi株式会社 | Cap assemblies and the secondary cell including the cap assemblies |
| CN106941136B (en) * | 2016-01-04 | 2021-07-13 | 三星Sdi株式会社 | Cap assembly and secondary battery including the same |
| CN107123775B (en) * | 2016-02-25 | 2020-09-15 | 比亚迪股份有限公司 | Single battery, battery module, power battery and electric automobile |
| US10797296B2 (en) | 2016-02-25 | 2020-10-06 | Byd Company Limited | Single-cell battery, battery module, power battery, and electric vehicle |
| WO2017143749A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric automobile |
| CN107123768A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123783A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123756A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Current interrupt device, cell, battery modules, electrokinetic cell and electric automobile |
| CN107123776A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123775A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123769A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, battery bag and electric automobile |
| CN107123780A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123778A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| CN107123782A (en) * | 2016-02-25 | 2017-09-01 | 比亚迪股份有限公司 | Cell, battery modules, electrokinetic cell and electric automobile |
| WO2017143753A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| CN107123783B (en) * | 2016-02-25 | 2020-10-20 | 比亚迪股份有限公司 | Single battery, battery module, power battery and electric automobile |
| US10804522B2 (en) | 2016-02-25 | 2020-10-13 | Byd Company Limited | Single-cell battery, battery module, power battery, and electric vehicle |
| WO2017143752A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| CN107123769B (en) * | 2016-02-25 | 2019-09-13 | 比亚迪股份有限公司 | Single battery, battery modules, battery pack and electric car |
| WO2017143750A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, power battery, and electric vehicle |
| CN107123776B (en) * | 2016-02-25 | 2019-11-08 | 比亚迪股份有限公司 | Single battery, battery modules, power battery and electric car |
| CN107123778B (en) * | 2016-02-25 | 2020-07-10 | 比亚迪股份有限公司 | Single battery, battery module, power battery and electric automobile |
| WO2017143754A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Single-cell battery, battery module, battery pack, and electric vehicle |
| CN107123780B (en) * | 2016-02-25 | 2020-06-19 | 比亚迪股份有限公司 | Single battery, battery module, power battery and electric automobile |
| CN107123782B (en) * | 2016-02-25 | 2020-06-19 | 比亚迪股份有限公司 | Single battery, battery module, power battery and electric automobile |
| US10418619B2 (en) | 2016-06-07 | 2019-09-17 | Contemporary Amperex Technology Co., Limited | Top cover of power battery and power battery |
| EP3255698A1 (en) * | 2016-06-07 | 2017-12-13 | Contemporary Amperex Technology Co., Limited | Top cover of power battery and power battery |
| CN108232044A (en) * | 2016-12-13 | 2018-06-29 | 比亚迪股份有限公司 | Battery pack and with its vehicle |
| CN107634157A (en) * | 2017-09-19 | 2018-01-26 | 东莞市奕东电子有限公司 | A kind of the stable response method and its capping structure of power lithium battery power-off protection |
| CN108490717A (en) * | 2018-02-28 | 2018-09-04 | 歌尔股份有限公司 | Panorama camera shell and panorama camera device |
| CN108490717B (en) * | 2018-02-28 | 2021-01-15 | 歌尔股份有限公司 | Panoramic camera housing and panoramic camera device |
| CN110611058A (en) * | 2018-06-14 | 2019-12-24 | 罗伯特·博世有限公司 | Method for producing a housing for a lithium ion battery and housing for a lithium ion battery |
| US20210278479A1 (en) * | 2019-02-22 | 2021-09-09 | Lg Chem, Ltd. | Bus bar for battery cell connection, battery pack, and manufacturing method therefor |
| EP3836298A1 (en) * | 2019-12-13 | 2021-06-16 | Proterra Inc. | Battery vent system |
| US11374284B2 (en) | 2019-12-13 | 2022-06-28 | Proterra Operating Company, Inc. | Battery vent system |
| CN113437426A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201508864U (en) | Battery cover plate assembly, single battery and battery pack | |
| CN106207075B (en) | A kind of battery with overcurrent protection function | |
| CN202285251U (en) | Special-shaped lithium battery module | |
| CN102136552B (en) | The manufacture method of battery protecting apparatus, battery and battery protecting apparatus | |
| CN112531295A (en) | Lithium ion battery structure and tab electric connection method | |
| CN102347512B (en) | Large-capacity lithium ion battery | |
| WO2007076693A1 (en) | Secondary batery | |
| CN101262050B (en) | Explosion-proof cover cap for high-time discharging column lithium ion battery | |
| CN206961931U (en) | A kind of cylindrical batteries | |
| CN213989125U (en) | Lithium ion battery structure | |
| CN212182379U (en) | Aluminum-shell cylindrical battery with directional pressure relief at bottom | |
| CN203631651U (en) | Current cut-off device and aluminum-shell lithium ion battery with same | |
| CN101388471A (en) | Secondary battery | |
| CN211789137U (en) | Button cell | |
| CN2845183Y (en) | Sefety explosion-proof screw cap of cylindrical lithium ion battery | |
| CN201369353Y (en) | Novel high-rate discharge cylindrical lithium-ion battery explosion-proof cap | |
| CN208797052U (en) | A kind of rectangular cell cap structure | |
| CN106328856A (en) | High-reliability lithium battery cap | |
| US20230282914A1 (en) | Battery cover plate, battery, and power system | |
| CN220672605U (en) | Lithium battery | |
| CN205177898U (en) | Take battery apron of blast resistant construction | |
| CN116365132A (en) | Battery, battery module and electric equipment | |
| CN216015603U (en) | Button cell with safety device | |
| CN211208493U (en) | Square power lithium battery cover plate structure with high power safety | |
| WO2023173656A1 (en) | Battery structure assembly, battery, and electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100616 |