CN105576171A - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN105576171A CN105576171A CN201610164344.5A CN201610164344A CN105576171A CN 105576171 A CN105576171 A CN 105576171A CN 201610164344 A CN201610164344 A CN 201610164344A CN 105576171 A CN105576171 A CN 105576171A
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- CN
- China
- Prior art keywords
- upper cover
- lower house
- battery core
- grid
- battery modules
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
- H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
- H01M50/278—Organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/227—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
- H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
- H01M50/276—Inorganic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
- H01M50/522—Inorganic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/591—Covers
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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
Abstract
The invention relates to a battery module, which comprises a lower shell, an upper cover and a plurality of naked electric cores; one end of the lower shell is open and a plurality of grids which are not communicated with each other are arranged in the lower shell; the bare cell is placed in the grid; a conductive connecting body is arranged in the upper cover; the conductive connecting body is electrically connected with the naked electric core; the upper cover is combined on the opening of the lower shell in a sealing mode and is connected with the grid in a sealing mode; this battery module directly encapsulates a plurality of naked electric cores, and the space between the naked electric core obtains make full use of, and battery energy density obtains very big improvement, and manufacturing process simplifies greatly moreover, has left out a large amount of welding to avoid the problem that the welding seam uniformity is low, improved production efficiency.
Description
Technical field
The present invention relates to battery technology field, be specifically related to a kind of battery modules.
Background technology
Electric automobile, as a kind of novel environment friendly automobile, is following development trend.But all the time, electric automobile is just limited by that battery capacity is low, a cost high-technology difficult problem, therefore, be necessary to develop a kind of with many battery cores for the integrated novel battery of cell height, in order to improve battery capacity, reduce battery cost simultaneously.
In prior art, the structure of many battery cores is generally first prepare single battery core, then is arranged in groups by single battery core according to demand, then is welded into a module by a base plate, four side plates and upper cover external packing.
The technological deficiency existed is: existing module, and all being arranged by single battery core forms, and battery core manufacturing cost is high, and between battery core, space waste is large; Module shell is formed by metal solder, and weld seam consistency is low, and technique is loaded down with trivial details, and cost of labor is high, and production efficiency is low; Battery core in groups after, connect between battery core and need neatly need to be arranged welding by copper bar, technology difficulty is large.
Summary of the invention
The object of the present invention is to provide a kind of battery modules, adopt and there is the lower house of multiple grid and be provided with the upper cover of conduction connector, directly multiple naked battery core is packaged into battery modules, eliminate the external packing of single battery core, only retain inner naked battery core (or claiming JR), operation is simple, and manufacture and cost of labor significantly decline, take full advantage of the space between battery core pole and top cover, energy density can improve about 20% in theory.
Concrete technical scheme of the present invention is:
A kind of battery modules, comprising: comprise lower house, upper cover and multiple naked battery core; Described lower house one end open and inside is provided with multiple not connected grid; Described naked battery core is placed with in described grid; Conduction connector is established in described upper cover; Described conduction connector is electrically connected with described naked battery core; Described upper cover seal combination is on the opening of described lower house and be tightly connected with described grid.
Preferably, described lower house becomes multiple not connected grid by baffle for separating.
Preferably, between described dividing plate and described lower house by glueing joint or being welded and fixed connection; Described welding can be laser welding or friction welding.
Preferably, described lower house and described grid integrated molding are integrated.
Preferably, the moulding process of described integrated molding can be injection molding process, plastics sucking moulding technique, blow moulding process, die press technology for forming, multi-layer co-extruded moulding process, casting, melt mold forming or other moulding process.
Preferably, the inner surface of described lower house and/or outer surface are provided with one or more layers and have water vapour and intercept and the lower house protective layer of oxygen barrier property.
Preferably, the surface of described dividing plate is provided with the dividing plate protective layer that one or more layers has water vapour obstruct and oxygen barrier property.
Preferably, the lower surface of described upper cover and/or upper surface are provided with one or more layers and have water vapour and intercept and the upper cover protective layer of oxygen barrier property.
Preferably, described protective layer is metal level or plastic layer; Described metal level, as aluminium, copper, nickel, silver, gold etc., generally can pass through the methods such as plating, chemical plating, deposition, spraying and evaporation attachment and form surface compact structure on surface; More preferably the method for electroplating deposition; Described plastic layer, as polyethylene, polypropylene, fluoroplastics etc. can be the material membranes of the high-barrier formed by the mode of plastic uptake or blowing.
Preferably, described metal level be aluminium lamination, cost performance is relatively high.
Preferably, described plastic film is fluoroplastics film, and its decay resistance is relatively better.
Preferably, the grid number in described lower house is more than or equal to two.
Preferably, in described grid, place one or more naked battery core, more preferably place a naked battery core in a grid.
Preferably, the cross section of described grid is square, circular, triangle, ellipse or other any structures formed by integrated forming technique.
Preferably, linearly distributing side by side between multiple described grid, also can be that circle waits arrangement mode.
Preferred, the cross section of described grid is square, and multiple described grid linearly distributes side by side.
Preferably, the top in described naked battery core is provided with positive pole ear and negative lug.
Preferably, described conduction connector and described positive pole ear contact with negative lug and connect; Form parallel circuits or series circuit.
Preferably, described conduction connector is provided with and protrudes from the total output stage of positive pole outside described upper cover and the total output stage of negative pole.
Preferably, the described conduction connector partial denudation that connect corresponding to described positive pole ear and negative lug, all the other embed in described upper cover.
Preferably, the position covering corresponding described positive pole ear and negative lug on described is provided with perforate, described conduction connector and described positive pole ear contact the partial denudation that connects in described perforate with negative lug, all the other embed in described upper cover.
Preferably, cover on described and be provided with safety valve.
Preferably, described safety valve is equal with the quantity of described naked battery core; Described safety valve be positioned at described on cover the region corresponding with the upper surface of described naked battery core.When battery overcharges or for drift bolt experiment etc., the inner bulging of battery core can be caused, make internal pressure excessive, set off an explosion and wait danger.Safety valve is when internal pressure is excessive, and valve is rushed to open, and release internal pressure, ensures fail safe.
Preferably, described safety valve be fuse, the band rotating sheet of indentation, Explosion-proof valve or other possess the safety component of current fusing or open circuit mechanism.In Explosion-proof valve, unidirectional valve can be selected.
Preferably, cover on described and be provided with liquid injection hole.
Preferably, described liquid injection hole is equal with the quantity of described naked battery core, can inject electrolyte by liquid injection hole in described naked battery core; Described liquid injection hole be positioned at described on cover the region corresponding with the upper surface of described naked battery core.
Preferably, the material of described conduction connector is the metal material that copper bar, aluminium bars etc. have conducting function; Be more preferably copper bar.
Preferably, the material of described lower house is composite, fiber reinforced polymer matrix composite, metal material or the Inorganic Non-metallic Materials etc. of single polymeric material, multiple polymers material.
Preferably, the material of described upper cover is composite, fiber reinforced polymer matrix composite, metal material or the Inorganic Non-metallic Materials etc. of single polymeric material, multiple polymers material.
Preferably, described Inorganic Non-metallic Materials is ceramic material.
Preferably, described single polymeric material is selected from the engineering plastics such as polyamide, Merlon, polyformaldehyde, polybutylene terephthalate (PBT) and polyphenylene oxide, also can be the general-purpose plastics such as polypropylene, polyvinyl chloride, polystyrene, acrylonitrile-butadiene-styrene copolymer.
Preferred further, described monomer-polymer material is polyphenylene oxide.
Preferably, the fortifying fibre of described fiber reinforced polymer matrix composite is selected from the fiber material that glass fibre, carbon fiber, mineral fibres and metallic fiber etc. can be used for strengthening base material; Further preferably glass fibre.
Preferably, described metal material be selected from aluminium, aluminium alloy, steel, copper etc. can by casting or the metal of powder metallurgy forming; Further preferably aluminium alloy.
Described upper cover and lower house are not defined as commaterial, can be that above different materials combinationally uses.
The present invention and then the manufacture method of described a kind of battery modules is also provided:
(1) prepare lower house, and multiple grid is set in lower house;
(2) preparation is provided with the upper cover of conduction connector;
(3) in the grid of described lower house, naked battery core is placed;
(4) by upper cover seal combination on described lower house, and upper cover and grid are tightly connected.
Wherein,
Preferably, described lower house is formed by integrated forming technique.
Preferably, in step (2), cover in the region corresponding with the upper surface of described naked battery core on described and safety valve is set.
Preferably, in step (2), cover in the region corresponding with the upper surface of described naked battery core on described and liquid injection hole is set, electrolyte can be injected by described liquid injection hole in described naked battery core.
Preferably, before described lower house and upper cover seal combination, in described naked battery core, electrolyte is injected by described liquid injection hole.
Preferably, adopt the method for pre-buried injection moulding in step (2), conduction connector and safety valve and upper cover integrated molding are integrated.
Preferably, in described (1), adopt dividing plate that described lower house is divided into multiple not connected grid.
Preferably, lower house and grid integrated molding is made to be integrated in step (1).The process of described integrated molding is same as above.
The seal combination mode of described upper cover and lower house can be physical combination or chemical method combination.Physical combination, comprises friction welding, laser welding etc.; Chemical combination, comprises splicing etc.
Technical scheme provided by the invention can reach following beneficial effect:
Adopt and there is the lower house of multiple grid and be provided with the upper cover of conduction connector and safety valve, because be that naked battery core is directly put into lower house, seal the process of upper cover again, so be fully used in the space between battery core, space between battery core, between battery core and upper cover is utilized, and battery energy density is greatly improved; And upper cover and the lower house of integrated molding can be adopted, directly naked battery core is encapsulated, eliminate a large amount of welding, thus avoid the low problem of weld seam consistency, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the upper cover top view of the battery modules of the embodiment of the present invention;
Fig. 2 is the cutaway view (A-A) of the upper cover of the battery modules of the embodiment of the present invention;
The enlarged drawing (5:1) that Fig. 3 is the Local C of the cutaway view of the upper cover of the battery modules shown in Fig. 2;
Fig. 4 is the cutaway view (B-B) of the upper cover of the battery modules of the embodiment of the present invention;
Fig. 5 is the axis side views such as the upper cover of the battery modules of the embodiment of the present invention;
Fig. 6 is the axis side view such as grade of the lower house of the battery modules of the embodiment of the present invention;
Fig. 7 is the vertical view of the lower house of the battery modules of the embodiment of the present invention;
Fig. 8 is the axis side view such as grade of the lower house of the battery modules of another embodiment of the present invention;
The enlarged drawing of the local D that Fig. 9 is the vertical view of the lower house of the battery modules shown in Fig. 7;
Figure 10 is the axis side view such as grade of the battery modules of the embodiment of the present invention;
Figure 11 is the explosive view of the battery modules of the embodiment of the present invention;
Figure 12 is the longitudinal sectional view of the battery modules of the embodiment of the present invention;
Reference numeral,
1-upper cover;
2-safety valve;
3-conduction connector;
The total output stage of 4-1 negative pole;
The total output stage of 4-2-positive pole;
5-upper cover protective layer;
6-lower house;
7-grid;
8-lower house protective layer;
The naked battery core of 9-.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the embodiment of the present invention and accompanying drawing, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on technical scheme provided by the invention and given embodiment, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Described in literary composition " on ", D score, "left", "right", "front", "rear" all with the laying state of the battery in accompanying drawing for reference.
Embodiment 1
The present embodiment provides a kind of battery modules, is formed by upper cover 1, lower house 6 and multiple naked battery core 9 seal combination, specific as follows:
Die press technology for forming integrated molding is adopted to be the lower house 6 of aluminium alloy in material as shown in Figure 6, upper end open, 12 cross sections of inner integrated molding are square grid 7, and linearly arrange, and grid 7 only has upper end open, grid 7 inner chamber is just agreed with mutually with square naked battery core 9 external structure.Four inclines of lower house 6 can have certain radian, as shown in Figure 9.
The top of the square naked battery core 9 selected is with positive pole ear and negative lug, and during seal combination, 12 naked battery cores 9 be directly placed in respectively in 12 grids 7, lug is towards the direction of grid 7 opening; As shown in figure 11;
By the processing method of pre-buried injection moulding, be that the upper cover 1 of aluminium alloy assembles an entirety using copper bar sheet, 12 one-way vent valves and material as conduction connector, as shown in Fig. 1-3 and Figure 11, wherein, position corresponding with the positive pole ear of naked battery core 9 and negative lug on upper cover 1 is provided with corresponding perforate, the positive pole ear of described conduction connector 3 and naked battery core 9 and the partial denudation of negative lug close contact are in described perforate, and all the other embed in upper covers 1; And establish positive pole total output stage 4-2 and the total output stage 4-1 of negative pole on copper bar sheet, and protrude from outside upper cover 1; A unidirectional valve is respectively established in position corresponding with the center of the upper surface of each naked battery core 9 on upper cover 1; And in region corresponding with the upper surface of each naked battery core 9 on upper cover 1, also liquid injection hole is set;
As shown in figure 11, after upper cover 1 and the equal integrated molding of lower house 6, carry out seal combination again, naked battery core 9 is placed in the grid 7 of lower house 6, in naked battery core 9, electrolyte is injected again by liquid injection hole, then pass through the mode of friction welding by upper cover 1 and lower house 6 (aluminium alloy own material can reach to intercept and require) seal combination, and upper cover 1 is also tightly connected with the openend of grid 7; Battery modules after seal combination, exposed copper in the perforate of upper cover 1 clings to and is connected with the anode ear of naked battery core 9 and negative electrode lug close contact, as shown in figure 12, ensures the normal operation of battery; The longitudinal sectional view of battery modules as shown in figure 12.
After above-mentioned assembling is complete, line attachment on conduction connector 3 in theory, just can carry out discharge and recharge.Actual use procedure, also has temperature sampling line, the wiring harness structures such as high-low pressure sample line.
After having assembled, because the aluminum hull between adjacent naked battery core 9 eliminates, and the space between naked battery core 9 and upper cover 1 is also fully utilized, and battery energy density is improved.Meanwhile, lower house 6 is one-body molded by injection molding manner, and upper cover 1 is integrated, and up-down structure seals, and eliminate the welding between conduction connector 3, the welding of module surrounding end plate, enhances productivity significantly.
Embodiment 2
The present embodiment provides a kind of battery modules, is formed by upper cover 1, lower house 6 and multiple naked battery core 9 seal combination, specific as follows:
Injection molding process integrated molding is adopted to be the lower house 6 of polyphenylene oxide in material as shown in Figure 6 and Figure 7, upper end open, 12 cross sections of inner integrated molding are square grid 7, and linearly arrange, and grid 7 only has upper end open, grid 7 inner chamber is just agreed with mutually with square naked battery core 9 external structure.Four inclines of lower house 6 can have certain radian, as shown in Figure 9.
Then surface treatment is carried out to the inner surface of lower house 6 and each grid 7, by the method for electroplating deposition, form the fine and close lower house protective layer 8 of waterproof of layer of metal aluminium at inner surface, as shown in Figure 9.
The square naked battery core 9 selected is with positive pole ear and negative lug, and during seal combination, 12 naked battery cores 9 be directly placed in respectively in 12 grids 7, lug is towards the direction of grill openings;
By the processing method of pre-buried injection moulding, be that the upper cover 1 of polyphenylene oxide assembles an entirety using copper bar sheet, 12 one-way vent valves and material as conduction connector 3, as Figure 1-5, wherein, position corresponding with the positive pole ear of naked battery core 9 and negative lug on upper cover 1 is provided with corresponding perforate, the partial denudation that conduction connector 3 is electrically connected with positive pole ear and the negative lug close contact of naked battery core 9 is in described perforate, and all the other embed in upper cover 1; And establish positive pole total output stage 4-2 and the total output stage 4-1 of negative pole on copper bar sheet, and protrude from outside upper cover 1; A unidirectional valve is respectively established in position corresponding with the center of the upper surface of each naked battery core 9 on upper cover 1; The lower surface of upper cover 1 carries out electroplating surface and to aluminize process, forms the fine and close upper cover protective layer 5 of waterproof; And upper cover 1 is also provided with liquid injection hole in the region corresponding with the upper surface of each naked battery core 9;
After upper cover 1 and the equal integrated molding of lower house 6, naked battery core 9 is placed in the grid 7 of lower house 6, in naked battery core 9, electrolyte is injected again by liquid injection hole, then by the mode of friction welding by upper cover 1 and lower house 6 seal combination, and upper cover 1 is tightly connected with the opening of grid 7; Battery modules after seal combination, exposed copper in the perforate of upper cover 1 clings to and is connected with the anode ear of naked battery core 9 and negative electrode lug close contact, ensures the normal operation of battery.
Embodiment 3
As shown in Figure 8, the cross section of grid 7 is circular to the structure of the lower house 6 of the present embodiment battery modules, upper end open, built-in cylindrical electrical core.It is identical with embodiment 1 with preparation process with structure.
Except embodiment 1-3, as embodiments of the invention, can also be in following embodiment appoint one or more of:
As the material of upper cover 1 and lower house 6, for polyamide, Merlon, polyformaldehyde, polybutylene terephthalate (PBT), the monomer-polymers such as polypropylene, polyvinyl chloride, polystyrene or acrylonitrile-butadiene-styrene copolymer or multiple polymers material composite; Or the fibre-reinforced polymer such as glass fibre, carbon fiber, mineral fibres and metallic fiber; Or aluminium, steel, copper etc. can by casting or the metals of powder metallurgy forming.
Integrated forming technique adopts plastics sucking moulding technique, blow moulding process, multi-layer co-extruded moulding process, casting, melts mold forming or other moulding process; Here plastics sucking moulding technique, blow moulding process, multi-layer co-extruded moulding process are applicable to plastics, casting, melt mould and are applicable to metal.
The seal combination mode of upper cover 1 and lower house 6, except friction welding, can also be laser welding, cementing etc.Embodiment 1-3 upper cover 1 and lower house 6 adopt same material, but do not require to be necessary for same material, adopt the upper cover 1 of above-mentioned different materials and lower house 6 also can realize technical scheme of the present invention.
As the material of the lower house protective layer 8 of the upper cover protective layer 5 of the lower surface of upper cover 1 and the inner surface of lower house 6, except aluminium lamination and fluoroplastics film, can also be other one or more layers there is water vapour intercept and the metal level of oxygen barrier property or plastic layer, as copper, nickel, silver, the metals such as gold, and polyethylene, the plastics such as polypropylene; Metal level generally by plating, chemical plating, deposition, spraying and method such as evaporation attachment etc. in surface formation surface compact structure, plastic film can form the diaphragm of high-barrier by the mode of plastic uptake or blowing.
The shape of cross section of grid 7 can also be triangle, ellipse etc., adapts with the structure of naked battery core 9.
Material as conduction connector 3 clings to except copper, can also be aluminium bars;
As the safety component of safety valve 2, except unidirectional valve, also can use the rotating sheet etc. of fuse, band indentation.
Although the application with preferred embodiment openly as above; but be not for limiting claim; any those skilled in the art are under the prerequisite not departing from the application's design; can make some possible variations and amendment, the scope that therefore protection range of the application should define with the application's claim is as the criterion.
Claims (10)
1. a battery modules, is characterized in that, comprises lower house, upper cover and multiple naked battery core; Described lower house one end open and inside is provided with multiple not connected grid; Described naked battery core is placed with in described grid; Conduction connector is established in described upper cover; Described conduction connector is electrically connected with described naked battery core; Described upper cover seal combination is on the opening of described lower house and be tightly connected with described grid.
2. a kind of battery modules according to claim 1, it is characterized in that, described lower house becomes multiple not connected described grid by baffle for separating.
3. a kind of battery modules according to claim 1 or 2, is characterized in that, described lower house and described grid integrated molding are integrated.
4. a kind of battery modules according to claim 1, it is characterized in that, the cross section of described grid is square, and multiple described grid linearly distributes side by side.
5. a kind of battery modules according to claim 1, is characterized in that, the inner surface of described lower house and/or outer surface are provided with one or more layers to be had water vapour and intercept and the lower house protective layer of oxygen barrier property.
6. a kind of battery modules according to claim 1, is characterized in that, the lower surface of described upper cover and/or upper surface are provided with one or more layers to be had water vapour and intercept and the upper cover protective layer of oxygen barrier property.
7. a kind of battery modules according to claim 1, it is characterized in that, the top of described naked battery core is provided with positive pole ear and negative lug; Described conduction connector is electrically connected with described positive pole ear and negative lug.
8. a kind of battery modules according to claim 7, it is characterized in that, the position covering corresponding described positive pole ear and negative lug on described is provided with perforate, the partial denudation that described conduction connector is electrically connected with described positive pole ear and negative lug is in described perforate, and all the other embed in described upper cover.
9. a kind of battery modules according to claim 1, is characterized in that, cover and be provided with safety valve and liquid injection hole on described.
10. a kind of battery modules according to claim 9, it is characterized in that, described safety valve is equal with the quantity of described naked battery core; Described liquid injection hole is equal with the quantity of described naked battery core; Described safety valve and liquid injection hole be positioned at described on cover the region corresponding with the upper surface of described naked battery core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164344.5A CN105576171A (en) | 2016-03-22 | 2016-03-22 | Battery module |
| PCT/CN2016/097782 WO2017161835A1 (en) | 2016-03-22 | 2016-09-01 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164344.5A CN105576171A (en) | 2016-03-22 | 2016-03-22 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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| CN201610164344.5A Pending CN105576171A (en) | 2016-03-22 | 2016-03-22 | Battery module |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201904409U (en) * | 2010-10-29 | 2011-07-20 | 上海卡能迪蓄能科技有限公司 | Restorable large lithium-ion secondary battery |
| CN202174779U (en) * | 2011-07-07 | 2012-03-28 | 昆山雅森电子材料科技有限公司 | Battery shell layer structure |
| CN203521509U (en) * | 2013-08-12 | 2014-04-02 | 深圳市沃特玛电池有限公司 | High-capacity lithium ion battery pack |
| CN205429047U (en) * | 2016-03-22 | 2016-08-03 | 宁德时代新能源科技股份有限公司 | Battery module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3166163B1 (en) * | 2009-05-20 | 2019-01-23 | Johnson Controls Advanced Power Solutions LLC | Lithium ion battery module |
| CN101789522A (en) * | 2010-04-20 | 2010-07-28 | 沧州荣泰新能源科技有限公司 | Power lithium battery with plastic shell |
| CN103647112B (en) * | 2013-12-24 | 2016-02-24 | 淄博洁力特种电池材料科技有限公司 | Side pole multivoltage Ni-MH battery module |
| CN203660011U (en) * | 2013-12-24 | 2014-06-18 | 淄博洁力特种电池材料科技有限公司 | Side pole column multi-voltage nickel-metal hydride battery module |
| CN105576171A (en) * | 2016-03-22 | 2016-05-11 | 宁德时代新能源科技股份有限公司 | Battery module |
-
2016
- 2016-03-22 CN CN201610164344.5A patent/CN105576171A/en active Pending
- 2016-09-01 WO PCT/CN2016/097782 patent/WO2017161835A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201904409U (en) * | 2010-10-29 | 2011-07-20 | 上海卡能迪蓄能科技有限公司 | Restorable large lithium-ion secondary battery |
| CN202174779U (en) * | 2011-07-07 | 2012-03-28 | 昆山雅森电子材料科技有限公司 | Battery shell layer structure |
| CN203521509U (en) * | 2013-08-12 | 2014-04-02 | 深圳市沃特玛电池有限公司 | High-capacity lithium ion battery pack |
| CN205429047U (en) * | 2016-03-22 | 2016-08-03 | 宁德时代新能源科技股份有限公司 | Battery module |
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