CN201936949U - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN201936949U CN201936949U CN2010206976880U CN201020697688U CN201936949U CN 201936949 U CN201936949 U CN 201936949U CN 2010206976880 U CN2010206976880 U CN 2010206976880U CN 201020697688 U CN201020697688 U CN 201020697688U CN 201936949 U CN201936949 U CN 201936949U
- Authority
- CN
- China
- Prior art keywords
- water conservancy
- conservancy diversion
- conducting piece
- diversion heat
- negative pole
- 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 - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
Abstract
The utility model provides a battery comprising a cover plate, a casing, an electric core and electrolyte. The electric core and the electrolyte are sealed in the casing of the battery, and the cover plate and the casing are connected by sealing. The electric core comprises a positive pole piece, a negative pole piece and a diaphragm arranged between the positive pole piece and the negative pole piece. A positive pole ear is arranged on the positive pole piece, and a negative pole ear is arranged on the negative pole piece. A positive-pole flow diversion and heat conduction component and a negative-pole flow diversion and heat conduction component are also arranged in the electric core and are mutually insulated. The positive-pole flow diversion and heat conduction component is conducted with the positive pole ear; the negative-pole flow diversion and heat conduction component is conducted with the negative pole ear; and the positive-pole flow diversion and heat conduction component and/or the negative-pole flow diversion and heat conduction component penetrate through the cover plate and are used for leading out current. The heat of the inside of the electric core can be quickly lowered, and the further thermal reactions of substances on the pole pieces are prohibited, and the safety performance of the battery is enhanced. Meanwhile, the stability of the temperature of the inside of the electric core is ensured, and the circulation performance and the like of the battery are enhanced. Moreover, the uniformity of the temperature of each position of the inside of the electric core can be ensured, and the temperature difference is eliminated, so that the reaction temperature of each position of the pole pieces is uniform. Meanwhile, the flow diversion and heat conduction components can act as the functions of a framework and a bracket for supporting the electric core. The battery not only is easy to assemble but also is beneficial to coiling the electric core.
Description
Technical field
The utility model relates to a kind of battery.
Background technology
Day by day exhausted in non-renewable resources such as oil, under the serious all the more background of environmental pollution, people express very big expectation to new-energy automobile.Electrokinetic cell then is the heart of new-energy automobile, requires it to have good power performance, cycle life and environmental resistance etc.
Substantially be in mobile status, its operational environment variation during electrokinetic cell work.Electrokinetic cell is in order to provide high power discharge, macro-energy is supplied with, generally with a large amount of battery strings and be unified into battery pack and use, and leave seal cavity substantially in for automobile is attractive in appearance etc., the heat that produces in the process of using can constantly be gathered, and the housing radiating effect is slower and limited, can not guarantee in time distributing of electric in-core portion's temperature, the temperature of battery pack can constantly rise, high temperature can reduce the cycle performance of battery, gathering also of heat brought hidden danger for the security performance of battery simultaneously, particularly the environment for use of automobile power cell may be harsh thermal environment, and automobile is the people's that works long hours delivery vehicle, and its security performance is required more very.And the temperature heterogeneity at each position when discharging and recharging work, electrokinetic cell inside own, the lug of electricity core end is owing to be the electric current build-up area, heat is big, and electric in-core portion temperature is lower, brings certain influence for the charge-discharge performance of battery, when particularly battery is in harsh cold environment, operating state is not good, along with the growth of service time, its internal difference in temperature increases, and worsens the serviceability of battery.Therefore battery is under the actual service conditions of complexity, and performance is restricted, and seeks a kind ofly can keep electric in-core portion temperature homogeneous, controlled battery, improves the performance of battery, becomes the urgent now problem that solves.
The utility model content
The utility model is in order to solve existing internal temperature heterogeneity, uncontrollable when battery operated, electricity core shortcomings such as poor-performing, instability under the condition of work of complexity, a kind of internal temperature homogeneous, controlled is provided, can makes electric core be in the battery of more excellent operating state simultaneously always.
Battery comprises cover plate, housing, electric core and electrolyte.Electricity core and electrolyte are sealed in the battery container, and cover plate is connected with housing seal.The electricity core comprise positive plate, negative plate and be arranged at positive plate and negative plate between barrier film.Positive plate is provided with anode ear, and negative plate is provided with negative electrode lug.Wherein, also be provided with anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece in the electric core, mutually insulated between anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece spare.Anodal water conservancy diversion heat-conducting piece and anode ear conducting; Negative pole water conservancy diversion heat-conducting piece and negative electrode lug conducting; Anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece run through cover plate and are used for projected current.
Anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece run through cover plate and are used for projected current, be meant to be that anodal water conservancy diversion heat-conducting piece is connected with cover plate also can be that negative pole water conservancy diversion heat-conducting piece is connected derived current with cover plate, material according to housing is selected, when anodal water conservancy diversion heat-conducting piece was connected with cover plate, negative pole water conservancy diversion heat conductive rod can be connected with housing.Also can be that anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece run through the cover plate projected current simultaneously, the water conservancy diversion heat-conducting piece of at least one polarity and cover plate insulation in the opposite polarity water conservancy diversion heat-conducting piece at this moment.When anodal water conservancy diversion heat-conducting piece was connected derived current with cover plate, negative pole water conservancy diversion heat-conducting piece can be connected with housing, also can run through the cover plate derived current, needed to insulate with cover plate.When negative pole water conservancy diversion heat-conducting piece was connected derived current with cover plate, anodal water conservancy diversion heat-conducting piece can be connected with housing, also can run through the cover plate derived current, needed to insulate with cover plate.Also can anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece run through the cover plate projected current simultaneously, as the positive and negative electrode terminal or the positive and negative pole of battery, anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece and cover piece are equipped with insulating part.
Anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece the utility model are not particularly limited, and can also can be sheet for bar-shaped.
Cover plate the utility model can be one, is positioned at an end of housing, also can be two, lays respectively at the two ends of housing.
Preferred housing two ends are provided with cover plate, insulated enclosure between insulated enclosure and/or negative pole water conservancy diversion heat-conducting piece and cover plate between anodal water conservancy diversion heat-conducting piece and cover plate; The cover plate at housing two ends is run through at the two ends of anodal water conservancy diversion heat-conducting piece respectively, an end that is anodal water conservancy diversion heat-conducting piece passes from an end casing of housing, the other end of anodal water conservancy diversion heat-conducting piece passes from the other end cover plate of housing, respectively as the positive electrode terminal or the positive terminal of battery; The cover plate at housing two ends is run through at the two ends of negative pole water conservancy diversion heat-conducting piece respectively, an end that is anodal water conservancy diversion heat-conducting piece passes from an end casing of housing, the other end of anodal water conservancy diversion heat-conducting piece passes from the other end cover plate of housing, respectively as the negative electrode terminal or the negative terminal of battery, and projected current.It is the electric current that the same end of battery is drawn opposed polarity.Between anodal water conservancy diversion heat-conducting piece and cover plate between insulated enclosure and/or negative pole water conservancy diversion heat-conducting piece and cover plate insulated enclosure be meant anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece have at least one with the cover plate insulated enclosure, also can be two whiles and cover plate insulated enclosure.
Or preferred housing two ends are provided with cover plate, insulated enclosure between insulated enclosure and/or negative pole water conservancy diversion heat-conducting piece and cover plate between anodal water conservancy diversion heat-conducting piece and cover plate; The cover plate of housing one end is run through at the two ends of anodal water conservancy diversion heat-conducting piece, and the two ends of promptly anodal water conservancy diversion heat-conducting piece all pass from the cover plate of housing one end, as the positive electrode terminal or the positive terminal of battery; The cover plate of the housing other end is run through at the two ends of negative pole water conservancy diversion heat-conducting piece, and promptly the two ends of negative pole water conservancy diversion heat-conducting piece all pass from the cover plate of the housing other end, as the negative electrode terminal or the negative terminal of battery, projected current.It is the electric current that the same end of battery is drawn same polarity.
Be provided with the water conservancy diversion heat-conducting piece in the electric core of battery of the present utility model, when internal temperature of battery raises rapidly, the water conservancy diversion heat-conducting piece can be taken away electric in-core portion heat rapidly, lower the temperature to battery rapidly, the further thermal response that stops material on the pole piece, prevent further gathering and can not distributing potential safety hazards such as bringing blast rapidly of heat, improve the security performance of battery.Simultaneously the water conservancy diversion heat-conducting piece can guarantee distributing of internal temperature of battery, guarantees the stable of electric in-core portion temperature, and the inside battery heat does not gather, and battery is in more excellent operating state always, improves the cycle performance of battery etc.Particularly the water conservancy diversion heat-conducting piece is in the electric core, can guarantee the rapid transmission of electric in-core portion heat, guarantee electric in-core portion temperature unanimity everywhere, eliminate temperature difference, make the active material on the pole piece be in preferable reactivity always, and the reaction temperature unanimity reduces internal resistance everywhere, guarantees the performance of battery, and when battery is in extreme thermal environment, can help electric in-core portion heat and distribute, reduce electric in-core portion temperature, guarantee the operating state of battery; Anodal water conservancy diversion heat-conducting piece is connected with negative electrode lug with anode ear respectively with negative pole water conservancy diversion heat-conducting piece, when battery is in extreme cold environment, heat can be concentrated the heat of lug bonding pad, position be delivered to rapidly on the collector of electric in-core portion, guarantee the temperature equalization of inside battery, not only a large amount of heats can not assembled in the lug bonding pad, potential safety hazard takes place, and make battery be in preferable working temperature, just guarantee battery, the temperature equalization of negative pole end, and can transmit heat rapidly, and make battery recovery to assigned temperature rapidly, reach operating state, guarantee the service behaviour of battery, make battery can adapt to various complex environments.Anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece have also been accelerated heat transfer as the anode and cathode terminals or the positive and negative terminals projected current of battery simultaneously.And positive and negative electrode water conservancy diversion heat-conducting piece is in the electric core, can play key and support effect, support electric core, not only be easy to assembling, and help the coiling of electric core, help the fastening and tight of electric core, prevent that jolting in the battery moving process, vibrations etc. from causing the loosening and distortion of electric core etc., damage battery and battery pack, so that the inefficacy of the battery pack of string and a large amount of batteries, tremendous loss brought.
Between preferred anodal water conservancy diversion heat-conducting piece and cover plate insulating part is set; Between negative pole water conservancy diversion heat-conducting piece and cover plate insulating part is set.Insulating part can help penetrating and passing of anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece for conical plug with loudspeaker hollow-core construction etc., helps the insulated enclosure between anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece and cover plate simultaneously.
Be provided with the anode ear connector between further preferred anodal water conservancy diversion heat-conducting piece of the utility model and the anode ear; And/or be provided with the negative electrode lug connector between negative pole water conservancy diversion heat-conducting piece and the negative electrode lug.Guarantee being connected of positive and negative electrode water conservancy diversion heat-conducting piece and positive and negative lug by connector, not only easy to operate, be easy to connection, and can guarantee switching performance, avoid lug fracture, come off, the problem of bad connection such as virtual connection.
Preferred positive plate comprises that positive pole covers the material district and positive pole does not cover the material district, and negative plate comprises that negative pole covers the material district and negative pole does not cover the material district, and positive pole does not cover material district and negative pole and do not cover to expect to distinguish and be positioned at electric core two ends respectively as anode ear and negative electrode lug; The anode ear connector is not electrically connected in the dressing district with positive pole, and the negative electrode lug connector is not electrically connected in the dressing district with negative pole.
Preferred anode ear connector is a ring-type, the anode ear shape that is in electric core end that forms adapts with reeling, do not cover material district's socket with positive pole, can be with pressing between the multilayer lug after reeling, be connected with the positive pole ear connector that shape adapts after the pressing, connected mode can adopt but be not limited to welding, bonding, riveted joint etc. again; And/or the negative electrode lug connector is ring-type, adapts with the negative electrode lug shape that is in electric core the other end, do not cover material district's socket with negative pole, and mode can adopt the method identical with the positive pole ear connector.Bending part can be contained in anode ear connector and negative lug connector top, by simple being connected of bending part realization with anodal water conservancy diversion heat-conducting piece, negative pole water conservancy diversion heat-conducting piece.Prevent losing of lug.
Be welded with some conduction connectors between further preferred anode ear connector and the anodal water conservancy diversion heat-conducting piece; And/or be welded with some conduction connectors between negative electrode lug connector and the negative pole water conservancy diversion heat-conducting piece.Realize being connected of lug connector of water conservancy diversion heat-conducting piece and closed circular flexibly by conduction connector, not only simple to operate, be easy to welding etc.
Can increase the water conservancy diversion area of electric current by this kind mode, reduce resistance, improve the multiplying power discharging property of battery, can further help heat conduction simultaneously, increase the heat-transfer rate of inside battery.
Preferred anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece surface are coated with insulating barrier, realize the insulation of adiabatic and anodal water conservancy diversion heat-conducting piece and negative plate, negative pole water conservancy diversion heat-conducting piece and positive plate between positive and negative electrode water conservancy diversion heat-conducting piece by insulating barrier.
The further preferred anodal water conservancy diversion heat-conducting piece of the utility model, negative pole water conservancy diversion heat-conducting piece and insulating barrier are one-body molded to be insulation core body, and extend outside the insulation core body at the two ends of anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece, and electric core winding is outside insulation core body.The insulating core physical efficiency is by one injection moulding simple realization the utility model, the shape of the support that can form according to the realization heat pipe of the simple shape of battery battery core simultaneously, better assemble electric core, and can fix anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece, prevent the electric cores of damage such as it rocks.Preferred insulation chipware is square, be positioned at the center of electric core, this moment electric core can by positive plate, negative plate and be interval in positive plate and negative plate between membrane coil be around in the insulation chipware outside, with support and the skeleton of insulation chipware as electric core, be easy to reel, can not only improve the coiling packing of electric core, and reduce technology.
Preferred anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece are hollow pipe, further strengthen the conduction of heat, when internal temperature of battery raises rapidly, can take away the inside battery heat rapidly, lower the temperature to battery rapidly, prevent that heat from can not distribute potential safety hazards such as bringing blast rapidly, improve the security performance of battery.Can guarantee simultaneously the control of internal temperature of battery constantly, guarantee the stable of internal temperature of battery.
Preferred anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece surface are furnished with the heat radiation projection, and for example bur increases water conservancy diversion, heat-conducting area, accelerates the transmission speed of heat.
Preferred anodal water conservancy diversion heat-conducting piece is an aluminium bar, and negative pole water conservancy diversion heat-conducting piece is a copper rod, reduces inside, is easy to welding.
Description of drawings
Fig. 1 is the cross-sectional view of the anodal water conservancy diversion heat-conducting piece of a kind of execution mode of the present utility model;
Fig. 2 is the cross-sectional view of the insulation chipware of a kind of execution mode of the present utility model;
Fig. 3 is the structural representation of the electric core of a kind of execution mode of the present utility model;
Fig. 4 is the structural representation of the electric core that contains positive pole ear connector and negative lug connector of a kind of execution mode of the present utility model;
Fig. 5 is the structural representation of the battery of a kind of execution mode of the present utility model;
Fig. 6 is the cross-sectional view of the insulation chipware of another kind of execution mode of the present utility model;
Fig. 7 is the structural representation of the electric core of another kind of execution mode of the present utility model;
Fig. 8 is the structural representation of the electric core that contains positive pole ear connector and negative lug connector of another kind of execution mode of the present utility model;
Fig. 9 is the structural representation of the battery of a kind of another kind of execution mode of the present utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Below in conjunction with accompanying drawing the utility model is further described.
As accompanying drawing 1-5 is the structural representation of a kind of electric core of the present utility model.
After the anodal water conservancy diversion heat-conducting piece 1 of parallel sheet and negative pole water conservancy diversion heat-conducting piece 2 parallel interval are placed, in its surperficial injection moulding, the insulation chipware 3 that all exposes of the end of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2.Anodal water conservancy diversion heat-conducting piece 1 and 2 of negative pole water conservancy diversion heat-conducting pieces have been filled insulant 5 simultaneously, and anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 be positioned at insulation chipware 3, and promptly anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 surface coverage have insulating barrier.
The volume cost utility model of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 is not particularly limited, and can design according to the size of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 and the size of electric core 6 etc.Shape the utility model of the anodal water conservancy diversion heat-conducting piece 1 of sheet also is not particularly limited, and can also can be solid sheet for hollow, and the thickness and the width of anodal water conservancy diversion heat-conducting piece 1 of sheet or negative pole water conservancy diversion heat-conducting piece 2 also can be adjusted according to concrete designing requirement.The material of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 can be selected metal for use, and the utility model is preferably anodal water conservancy diversion heat-conducting piece 1 and is aluminium flake, and negative pole water conservancy diversion heat-conducting piece 2 is a copper sheet.Preferably be furnished with bur 4 on the surface of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2, when anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 when being hollow, the surface of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 comprises outer surface and inner surface, promptly the inwall of pipe also can be furnished with bur 4, shape the utility model of the shape 4 of furcella 4 also is not particularly limited, can be aciculiform, taper, sheet, column etc., accelerate the speed of heat conduction.
Shape the utility model of the insulation chipware 3 of injection moulding also is not particularly limited, and adjusts according to the shape of electric core 6, and it can be reeled by the volume core when reeling, and its material can be engineering plastic, as PPS etc.
With the insulation chipware 3 of above-mentioned injection formed as the volume pin its outer surface winding positive electrode sheet, negative plate and be interval in positive plate and negative plate between barrier film, positive plate comprises that positive pole covers the material district and positive pole does not cover the material district, negative plate comprises that negative pole covers the material district and negative pole does not cover the material district, positive pole is not covered the material district extend barrier film, negative pole does not cover the material district and extends barrier film at the other end, coiling is made electric core 6, make positive pole not cover material district and negative pole and do not cover material and distinguish and be positioned at electric core two ends respectively, with it as anode ear 61 and negative electrode lug 62; Shape the utility model of electricity core 6 is not particularly limited, can be for square, circle etc.Wherein, anode ear connector 71 is enclosed within positive pole not in the dressing district, and negative electrode lug connector 72 is enclosed within negative pole not in the dressing district.Also not dressing district and the not dressing district hot pressing respectively of multilayer negative pole of the multilayer positive pole that can form reeling forms the anode ear 61 of the ring-type pressing of sealing and the negative electrode lug 62 of ring-type pressing in the end of electric core 6.
The end of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 all passes electric core 6, ring-type anode ear connector 71 and ring-type negative electrode lug connector 72 that the anode ear 61 of the ring-type pressing that can be provided with in the end of electric core 6 and seal and the negative electrode lug 62 of ring-type pressing adapt, promptly respectively around the both ends of electric core 6, its shape designs according to the end shape of electric core 6, help and being connected and shortening conducting path of positive pole ear 61 and negative lug 62, its thickness can be 1mm～10mm, be preferably 3mm～5mm, can design as the case may be.Its material can be a metal, and preferential anode ear connector 71 is identical with anode ear 61 materials, is aluminium; Negative electrode lug connector 72 is identical with negative electrode lug 61 materials, is copper material.The connected mode of positive pole ear connector 71 and anode ear 61 and negative electrode lug connector 72 and negative electrode lug 62 can adopt but be not limited to welding, bonding, riveted joint etc., and is easy to connect, is easy to realize, prevents to rupture, comes off, bad connection such as virtual connection.It is bigger to design this ring-type anode ear connector 71 and ring-type negative electrode lug connector 72 areas, has increased the conduction surface of electric current and heat, not only reduces internal resistance, and accelerates conduction of velocity.
By between anode ear connector 71 and anodal water conservancy diversion heat-conducting piece 1, being provided with some conduction connectors 8; Also be provided with some conduction connectors 8 between negative electrode lug connector 72 and the negative pole water conservancy diversion heat-conducting piece 2 and realize being connected of lug connector of water conservancy diversion heat-conducting piece and closed circular flexibly, not only simple to operate, be easy to welding, and increase conduction surface.The shape of conduction connector 8 and volume cost utility model are not particularly limited, and can design according to battery.Conduction connector 8 can be at last and anode ear connector 71, negative electrode lug connector 72 and anodal water conservancy diversion heat-conducting piece 1,2 welding of negative pole water conservancy diversion heat-conducting piece, also can be made of one structure prior to anode ear connector 71, negative electrode lug connector 72, after again with 2 welding of anodal water conservancy diversion heat-conducting piece 1, negative pole water conservancy diversion heat-conducting piece etc.The material of conduction connector 8 also can be metal, and Material Selection also can be complementary with the lug with its conducting.
The electricity core 6 put into battery container, the both ends of anodal water conservancy diversion heat-conducting piece 1 pass the battery cover board 9 at battery container two ends respectively, and and battery cover board 9 between be provided with the insulating part insulated enclosure, draw anodal electric current.Being provided with of insulating part can be to pass the back injection moulding, and for example elder generation passes battery cover board 9 after anodal water conservancy diversion heat-conducting piece 1 is penetrated insulation spacer, and high-temperature injection is filled insulating part again, prevents the influence of high-temperature liquid state polymer confrontation inside battery.Also can be that the extrusion pressing type insulating part make etc. is set, for example have the cone rubber plug with loudspeaker hollow-core construction of good importing performance etc.The both ends of negative pole water conservancy diversion heat-conducting piece 2 pass the battery cover board 9 at battery container two ends respectively, and and battery cover board 9 between be provided with the insulating part insulated enclosure, draw cathodal current.The battery cover board 9 at two ends is tightly connected with battery container, and connected mode includes but not limited to welding such as laser or electron beam, bonding, riveted joint, sweat soldering, ultra-sonic welded etc.Electrolyte is injected in the back, and sealing changes into.
The water conservancy diversion heat-conducting piece not only runs through cover plate 9 projected currents, electrode terminal or electrode pole as battery, equally also as the heat conducting path of inside battery, the heat of inside battery can be derived rapidly, improve the security performance of battery, heat also helps keeping the even of internal temperature of battery in the conduction of inside battery simultaneously, helps the operate as normal of battery under extreme temperature conditions.
Shown in Fig. 6-9, adopt the mode identical to prepare battery with embodiment 1, different is that anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 are all made U type solid bar, the opposed interval, U type bottom of U type solid bar is placed, in its surperficial injection moulding, the insulation chipware 3 that all exposes of the end of anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2.Anodal water conservancy diversion heat-conducting piece 1 and 2 of negative pole water conservancy diversion heat-conducting pieces have been filled insulant 5 simultaneously, and anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 be positioned at insulation chipware 3, and promptly anodal water conservancy diversion heat-conducting piece 1 and negative pole water conservancy diversion heat-conducting piece 2 surface coverage have insulating barrier.
The outer surface electric core 6 of reeling at insulation chipware 3, all extend from an end of electric core 6 at the both ends of anodal water conservancy diversion heat-conducting piece 1, all extend from the other end of electric core 6 at the both ends of negative pole water conservancy diversion heat-conducting piece 2, the electric current that is same polarity is all drawn from an end of battery, avoid battery just, the short circuit of negative pole, this moment, the both ends of anodal water conservancy diversion heat-conducting piece 1 all can be connected with positive pole ear connector 71 by conduction connector 8, the both ends of negative pole water conservancy diversion heat-conducting piece 2 also all can be connected with negative lug connector 72 by conduction connector 8, have increased the cross-sectional area of current flowing and heat transferred.
The electricity core 6 put into battery container, the both ends of anodal water conservancy diversion heat-conducting piece 1 pass the battery cover board 9 of battery container one end respectively, and and battery cover board 9 between be provided with the insulating part insulated enclosure, draw anodal electric current.The both ends of negative pole water conservancy diversion heat-conducting piece 2 pass the battery cover board 9 of the battery container other end respectively, and and battery cover board 9 between be provided with the insulating part insulated enclosure, draw cathodal current.The battery cover board 9 at two ends is tightly connected with battery container, and connected mode includes but not limited to welding such as laser or electron beam, bonding, riveted joint, sweat soldering, ultra-sonic welded etc.Electrolyte is injected in the back, and sealing changes into.
This kind structure adopts with end and draws the same polarity electric current, not only avoid the short circuit of battery positive and negative electrode, and the both ends of anodal water conservancy diversion heat-conducting piece 1 all can with 71 conductings of positive pole ear connector, the both ends of negative pole water conservancy diversion heat-conducting piece 2 all can with 72 conductings of negative lug connector, be simple and easy to welding, prevent short circuit, the of the present utility model anodal water conservancy diversion heat-conducting piece of this kind structure and the shape of negative pole water conservancy diversion heat-conducting piece include but not limited to U type rod, snake, back-shaped rod etc., only need the both ends of water conservancy diversion heat-conducting piece to extend from electric core one end and get final product.
Internal temperature of battery homogeneous of the present utility model, controlled, and can guarantee to be in more excellent operating state always.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (13)
1. a battery is characterized in that, comprises cover plate, housing, electric core and electrolyte,
Described electric core and electrolyte are sealed in the battery container, and described cover plate is connected with housing seal;
Described electric core comprise positive plate, negative plate and be arranged at positive plate and negative plate between barrier film;
Described positive plate is provided with anode ear, and described negative plate is provided with negative electrode lug;
Also be provided with anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece in the described electric core, mutually insulated between described anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece spare;
Described anodal water conservancy diversion heat-conducting piece and anode ear conducting;
Described negative pole water conservancy diversion heat-conducting piece and negative electrode lug conducting;
Described anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece run through cover plate and are used for projected current.
2. battery according to claim 1 is characterized in that, described housing two ends are provided with cover plate, insulated enclosure between insulated enclosure and/or negative pole water conservancy diversion heat-conducting piece and cover plate between described anodal water conservancy diversion heat-conducting piece and cover plate;
The cover plate at housing two ends is run through at the two ends of anodal water conservancy diversion heat-conducting piece respectively;
The cover plate at housing two ends is run through at the two ends of negative pole water conservancy diversion heat-conducting piece respectively.
3. battery according to claim 1 is characterized in that, described housing two ends are provided with cover plate, insulated enclosure between insulated enclosure and/or negative pole water conservancy diversion heat-conducting piece and cover plate between described anodal water conservancy diversion heat-conducting piece and cover plate;
The cover plate of housing one end is run through at the two ends of anodal water conservancy diversion heat-conducting piece;
The cover plate of the housing other end is run through at the two ends of negative pole water conservancy diversion heat-conducting piece.
4. according to claim 2 or 3 described batteries, it is characterized in that, between described anodal water conservancy diversion heat-conducting piece and cover plate insulating sealer is set; Between described negative pole water conservancy diversion heat-conducting piece and cover plate insulating sealer is set.
5. battery according to claim 1 is characterized in that, is provided with the anode ear connector between described anodal water conservancy diversion heat-conducting piece and the anode ear;
And/or be provided with the negative electrode lug connector between described negative pole water conservancy diversion heat-conducting piece and the negative electrode lug.
6. battery according to claim 5, it is characterized in that, described positive plate comprises that positive pole covers the material district and positive pole does not cover the material district, described negative plate comprises that negative pole covers the material district and negative pole does not cover the material district, and described positive pole does not cover expects that district and negative pole do not cover the material district and be positioned at electric core two ends respectively as anode ear and negative electrode lug;
Described anode ear connector is not electrically connected in the dressing district with positive pole, and described negative electrode lug connector is not electrically connected in the dressing district with negative pole.
7. battery according to claim 6 is characterized in that, described anode ear connector is a ring-type, is set in positive pole not in the dressing district;
And/or described negative electrode lug connector is ring-type, is set in negative pole not in the dressing district.
8. battery according to claim 7 is characterized in that, is welded with some conduction connectors between the anode ear connector of ring-type and the anodal water conservancy diversion heat-conducting piece;
And/or be welded with some conduction connectors between the negative electrode lug connector of ring-type and the negative pole water conservancy diversion heat-conducting piece.
9. battery according to claim 1 is characterized in that, described anodal water conservancy diversion heat-conducting piece and negative pole water conservancy diversion heat-conducting piece surface are coated with insulating barrier.
10. battery according to claim 9 is characterized in that, described anodal water conservancy diversion heat-conducting piece, negative pole water conservancy diversion heat-conducting piece and insulating barrier are one-body molded to be insulation core body, and electric core winding is outside described insulation core body.
11. battery according to claim 1 is characterized in that, described anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece are hollow pipe.
12. battery according to claim 1 is characterized in that, described anodal water conservancy diversion heat-conducting piece and/or negative pole water conservancy diversion heat-conducting piece surface are furnished with the heat radiation projection.
13. battery according to claim 1 is characterized in that, described anodal water conservancy diversion heat-conducting piece is an aluminium bar;
Described negative pole water conservancy diversion heat-conducting piece is a copper rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976880U CN201936949U (en) | 2010-12-31 | 2010-12-31 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976880U CN201936949U (en) | 2010-12-31 | 2010-12-31 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936949U true CN201936949U (en) | 2011-08-17 |
Family
ID=44448463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206976880U Expired - Fee Related CN201936949U (en) | 2010-12-31 | 2010-12-31 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936949U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089133A1 (en) * | 2010-12-31 | 2012-07-05 | Byd Company Limited | Battery |
| WO2012089134A1 (en) * | 2010-12-31 | 2012-07-05 | Byd Company Limited | Battery |
| CN103700904A (en) * | 2012-09-27 | 2014-04-02 | 高达能源科技股份有限公司 | Battery pack with heat dissipation system |
| CN105870392A (en) * | 2016-05-13 | 2016-08-17 | 深圳市科陆电子科技股份有限公司 | Electrode, battery cell, battery module, as well as preparation method and application of battery module |
| CN109860951A (en) * | 2019-03-05 | 2019-06-07 | 苏州阿福机器人有限公司 | A kind of core strueture of the electric storage device of high efficiency and heat radiation |
| CN111384331A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN113471555A (en) * | 2020-09-29 | 2021-10-01 | 欣旺达电动汽车电池有限公司 | Intelligent battery core, battery system and electric automobile |
| CN114006081A (en) * | 2021-10-29 | 2022-02-01 | 珠海冠宇电池股份有限公司 | Battery and battery system |
-
2010
- 2010-12-31 CN CN2010206976880U patent/CN201936949U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089133A1 (en) * | 2010-12-31 | 2012-07-05 | Byd Company Limited | Battery |
| WO2012089134A1 (en) * | 2010-12-31 | 2012-07-05 | Byd Company Limited | Battery |
| EP2659540A1 (en) * | 2010-12-31 | 2013-11-06 | BYD Company Limited | Battery |
| EP2659540A4 (en) * | 2010-12-31 | 2014-10-01 | Shenzhen Byd Auto R & D Co Ltd | Battery |
| US9490458B2 (en) | 2010-12-31 | 2016-11-08 | Byd Company Limited | Electric vehicle battery with temperature control |
| CN103700904A (en) * | 2012-09-27 | 2014-04-02 | 高达能源科技股份有限公司 | Battery pack with heat dissipation system |
| CN103700904B (en) * | 2012-09-27 | 2018-04-20 | 高达能源科技股份有限公司 | Battery pack with cooling system |
| CN105870392A (en) * | 2016-05-13 | 2016-08-17 | 深圳市科陆电子科技股份有限公司 | Electrode, battery cell, battery module, as well as preparation method and application of battery module |
| CN111384331A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN109860951A (en) * | 2019-03-05 | 2019-06-07 | 苏州阿福机器人有限公司 | A kind of core strueture of the electric storage device of high efficiency and heat radiation |
| CN113471555A (en) * | 2020-09-29 | 2021-10-01 | 欣旺达电动汽车电池有限公司 | Intelligent battery core, battery system and electric automobile |
| CN114006081A (en) * | 2021-10-29 | 2022-02-01 | 珠海冠宇电池股份有限公司 | Battery and battery system |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |