CN100585933C - Secondary battery module - Google Patents
Secondary battery module Download PDFInfo
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- CN100585933C CN100585933C CN200510119170A CN200510119170A CN100585933C CN 100585933 C CN100585933 C CN 100585933C CN 200510119170 A CN200510119170 A CN 200510119170A CN 200510119170 A CN200510119170 A CN 200510119170A CN 100585933 C CN100585933 C CN 100585933C
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- aggregation
- battery
- secondary battery
- element cell
- battery module
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
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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 present invention relates to a secondary battery module including at least more than two battery aggregates having a plurality of unit batteries continuously arranged, and a housing receiving the battery aggregates, wherein, with respect to the arrangement direction of the unit batteries, each of the unit batteries of each of the battery aggregates is disposed in an oblique direction against the arrangement direction of the unit batteries. The present invention minimizing the size and preventing the heat unbalance caused by partly cooling cell batteries in the batteries congeries by improving the arranging structure of the cell batteries in the housing. So the present invention makes the efficiency of the cooling cell battery highest to improve the charging and discharging efficiency more.
Description
Technical field
The present invention relates to a kind of secondary battery module, particularly a kind of improved element cell (unit batteries) arrangement architecture that is used for secondary battery module.
Background technology
Different with primary cell, secondary cell can recharge.Low-power battery is used in various portable electron devices for example in cell phone, laptop computer and the camcorder.The battery (bulk size batteries) that big capacity divides into groups by size is used as the motor drive power supply in the fuel electron convertible car for example.
Secondary cell can be divided into variety classes according to profile, for example rectangular cell and cylindrical battery.If when they were used for motor-driven as the machinery that needs large power supply of fuel electron convertible car and so on, secondary cell (hereinafter to be referred as " element cell ") can form the high power secondary battery module.
When secondary battery module is used as the motor-driven of vacuum cleaner, battery-operated motor cycle or vehicle (electric automobile or fuel electron convertible car), many element cells can be pressed multirow and arrange.Therefore, when the secondary cell for assembling module, the arrangement units battery is very important with the cooling effectiveness that improves element cell.
Except the cooling effectiveness of element cell, when the secondary cell for assembling module, the size that does not increase secondary battery module also is important.
In detail, if secondary battery module has a plurality of cell row (multiple batteryrows) (cell row is meant a plurality of element cells aggregated structure by rows), each cell row is stacked to multilayer or is arranged side by side in the plane.Yet the problem that sandwich construction brings is that the overall dimensions of module increases and increases along with the height of secondary battery module.
And if each cell row is arranged side by side in the plane, can make the minimized in size of module.But the problem of its existence is that the cooling effectiveness of element cell reduces, and causes temperature difference, thereby causes inhomogeneous cooling even.
This is because if cell row is arranged side by side, coolant along a side cell row by passing through element cell along the opposite side cell row again after the element cell.This makes the coolant difference that flows into each cell row.
That is to say that when coolant passed through a side cell row, its temperature was owing to heat exchange improves.Therefore the described coolant cooling opposite side cell row that has improved with temperature, exists big difference between the temperature of the temperature of a side cell row and opposite side cell row again.
In view of the above, if cell row is arranged side by side, because the heat that each element cell produces in the cell row can not evenly be dispersed, will the performance of element cell itself be reduced, therefore this secondary battery module can not be as the driving that needs powerful motor.
Summary of the invention
The purpose of this invention is to provide a kind of secondary battery module, this module has the element cell that can not only improve radiating efficiency and can also make the efficient arrangement of its minimized in size.
According to an aspect of the present invention, secondary battery module comprises at least more than two battery aggregations and the shell that holds the battery aggregation, described battery aggregation has a plurality of continuously arranged element cells, wherein, for the orientation of element cell, the direction setting that each element cell of each battery aggregation tilts along the orientation with element cell.
The battery aggregation can be provided with at interval.
The battery aggregation can be arranged to be mutually symmetrical form in pairs.
Shell comprises the intake section and the exit portion of coolant, and intake section is used to provide temperature controlled coolant is carried out in the space between the battery aggregation, and exit portion is used for the coolant that discharge currents is crossed the battery aggregation.
The battery aggregation has the battery separator (cell barrier) that is arranged between the element cell, and battery separator can comprise the but path crossed of MEDIA FLOW of at least one cooling.
Path can be made of the passage that makes the spatial communication between exit portion and the battery aggregation.
Can make shell have such structure, make that to flow to the flow direction of coolant in the space between the battery aggregation by intake section basic identical with the flow direction of the coolant of discharging by exit portion.
The ingate can be formed on a side place of shell, and outlet opening can be formed on the opposite side in the face of the shell of ingate.
Shell can have such structure, makes that to flow to the flow direction of coolant in the space between the battery aggregation by intake section opposite substantially with the flow direction of coolant by the exit portion discharge.
The ingate can be formed on the side of shell, and it is adjacent with the ingate that outlet opening can form.
According to a further aspect in the invention, secondary battery module comprises at least more than two battery aggregations and the shell that holds the battery aggregation, described battery aggregation has continuously arranged a plurality of element cell, they are symmetrical arranged with separating each other, shell also is used to make the space of flowing through between the battery aggregation, the coolant that is used for the temperature between the element cell is controlled circulates, wherein, for the orientation of element cell, each element cell of each battery aggregation along and the orientation direction setting of tilting, each battery aggregation comprises with element cell and closely contacting each other integrally to support their support unit.
Shell comprises the mounting portion that holds the battery aggregation, is used for the intake section of coolant being provided and being used for the exit portion that discharge currents is crossed the coolant of battery aggregation to the space between the battery aggregation.
Support unit comprise respectively with the most external element cell closely the end plate, the connecting rod that is connected with end plate of contact and at least one for being connected that end plate is provided with and along the orientation arrangement of element cell support bar with the support unit battery.
Support unit also comprises the fastening part of the fixing hole with fixed connecting rod, and this fastening part protrudes in end plate.
Support unit comprises respectively and most external the element cell closely end plate, the fastening part that is connected the connecting rod of end plate and has the fixing hole of fixed connecting rod of contact, this fastening part protrudes in end plate and vertical with the orientation of element cell, to form the right angle with connecting rod.
Fastening part can protrude in the two side ends of the end plate that faces with each other, and it can be bent to end plate and becomes predetermined angular.
The thickness of end plate can be equal to or less than the thickness of fastening part.
The coupling part that is arranged between end plate and the fastening part can have arc-shaped cross-section.
Description of drawings
By below in conjunction with accompanying drawing execution mode being described in detail, these and/or others of the present invention and advantage will be understood apparent more and easily.In the accompanying drawing:
Fig. 1 is the perspective schematic view of the secondary battery module of first embodiment of the invention;
Fig. 2 is the cross-sectional plan views of Fig. 1;
Fig. 3 is the perspective view of battery aggregation of the secondary battery module of first embodiment of the invention;
Fig. 4 is the part cross-sectional plan views of Fig. 3;
Fig. 5 is the end view of end plate of the secondary battery module of first embodiment of the invention;
Fig. 6 is the perspective view of battery aggregation of the secondary battery module of second embodiment of the invention;
Fig. 7 is the plane graph of Fig. 6;
Fig. 8 is the schematic cross-section plane graph of the secondary battery module of third embodiment of the invention;
Fig. 9 is the schematic cross-section plane graph of the secondary battery module of four embodiment of the invention;
The schematic block diagram of Figure 10 shows the situation with the secondary battery module drive motors of embodiment of the present invention.
Embodiment
With reference now to embodiments of the present invention being elaborated by the example shown in the accompanying drawing.Explain the present invention below by the description to execution mode with reference to the accompanying drawings.
Fig. 1 is the perspective schematic view of the secondary battery module of first embodiment of the invention, and Fig. 2 is the cross-sectional plan views of Fig. 1.
With reference to these accompanying drawings, secondary battery module 10 comprises battery aggregation 11 with the continuously arranged a plurality of element cells 12 that separate with preset distance and the shell 20 that holds battery aggregation 11.The coolant of temperature that is used for control unit battery 12 can adopt cooling air, cooling water, other cooling fluid etc. as coolant in shell 20 inner loop.
In the present embodiment, the use air (hereinafter being called " cooling air ") that can obtain easily from nature by the air-supply arrangement as fan or air blast and so on is as coolant.
Each element cell 12 comprise have positive pole, negative pole and the electrode assemblie of dividing plate and the container of hold electrodes assembly.In the present embodiment, element cell is a prismatic.
In battery aggregation 11, battery separator 13 is set between each element cell 12.Battery separator 13 keeps the distance between each element cell 12 constant, and makes the cooling air circulation between each element cell 12, and it also has the function that supports each element cell 12 side.
For making cooling air circulation, on battery separator, form many paths 14, path 14 can have long side direction along element cell 12, be the shape of the raceway groove 15 of the Width of battery aggregation 11 inboard of passing through battery separator.
In shell 20 inboards two battery aggregations 11 can be installed at least, as shown in the figure, in the present embodiment, a pair of battery aggregation be installed in shell 20.
At this moment, battery aggregation 11 and 11 ' is set up at grade with preset distance with separating each other.That is to say that each battery aggregation 11 and 11 ' has its battery separator 13 and 13 ' and towards the path 14 and 14 ' at the center of shell 20, they are spaced preset distance to keep them parallel to each other.
More particularly, battery aggregation 11 and 11 ' is arranged symmetrically with respect to the imagining center line in the space that is between them, thereby makes their configured in one piece be fish bone well (fishboneshape).
That is to say that each battery aggregation 11 and 11 ' has such structure, make their element cell 12 and 12 ' centroclinal towards shell at a predetermined angle.
In addition, when battery separator 13 with 13 ' with element cell 12 when 12 ' closely contacts, battery separator 13 and 13 ' is corresponding to element cell 12 and 12 ' oblique arrangement.
Simultaneously, battery aggregation 11 and 11 ' element cell 12 and 12 ' can fix by support unit, to form integral body.
With reference to figure 3 and Fig. 4, support unit 50 comprises the both sides and the element cell 12 tight end plates 70 and 70 ' that contact of the outermost that is separately positioned on element cell 12, and connects a pair of end plate 70 and the 70 ' connecting rod 80 and 80 ' with fixed charge method end plate 70 and 70 '.
As mentioned above, a pair of battery the aggregation 11 and 11 ' formation that is mutually symmetrical, and Fig. 3 and Fig. 4 only show a battery aggregation 11.
More particularly, the end plate 70 of support unit 50 closely contacts with the side of element cell 12 with 70 '.
Connecting rod 80 and 80 ' has the shape (bolt like shape) that is similar to bolt, and their end has bolt head, and screw is threaded onto their other end.These connecting rods 80 and the 80 ' orientation along element cell 12 (directions X among the figure) are provided with, and are fixed on end plate 70 and 70 ' by nut 81 and 81 '.
For this reason, end plate 70 and 70 ' can have fastening part 90 and 90 ', to hold and fixed connecting rod 80 and 80 '.In the present embodiment, these fastening parts 90 and 90 ' can integral body be formed on the short side of end plate 70 and 70 ' highlightedly, and they have the fixing hole 91 and 91 ' that can insert connecting rod 80 and 80 '.
In the present embodiment, fastening part 90 and 90 ' is formed at the two ends of end plate 70 and 70 ' respectively in couples, and outstanding along the direction (in figure Y direction) vertical with the orientation (X) of element cell 12.That is to say, as shown in Figure 4, fastening part 90 with 90 ' with the angle identical with the 70 ' angle that tilts with respect to vertical direction with end plate 70 from end plate 70 and 70 ' bending, and they are arranged perpendicular to the orientation (X) of element cell 12.
In view of the above, fastening part 90 and 90 ' and connecting rod 80 and 80 ' pass the fixing hole 91 and 91 ' of fastening part 90 and 90 ', to be fixed on these each other on the fastening part 90 and 90 ' with right angle intersection, therefore, even element cell 12 tilts with end plate 70 and 70 ', they also can increase constant intensity, so that connecting rod 80 and 80 ' keeps stable stationary state.
As shown in Figure 5, according to present embodiment, end plate 70 and 70 ' and fastening part 90 and 90 ' have the structure that the thickness (D) that makes fastening part 90 and 90 ' is equal to or greater than the thickness (d) of end plate 70 and 70 '.
This is that connecting rod 80 and 80 ' will produce stress in fastening part 90 and 90 ' because if connecting rod 80 and 80 ' is fixed to the fixing hole 91 and 91 ' of fastening part 90 and 90 '.Therefore, make the thickness (D) of fastening part 90 and 90 ' be equal to or greater than the thickness (d) of end plate 70 and 70 ' to guarantee to have the structural strength of anti-stress.And the thickness (d) that makes end plate 70 and 70 ' can make the weight of battery aggregation 11 and 11 ' the lightest less than the thickness (D) of fastening part 90 and 90 '.
Therefore, the secondary battery module 10 of present embodiment can provide the constant intensity that has increased between the element cell 12 and 12 ' also can make the battery aggregation 11 and 11 ' of weight saving.
In addition, be formed on end plate 70 and 70 ' and fastening part 90 and 90 ' between coupling part 93 and 93 ' have recessed to end plate 70 and 70 ' inner arc-shaped cross-section.
The different end plate 70 of thickness and 70 ' and fastening part 90 and 90 ' between this coupling part 93 and 93 ' is set end plate 70 entirely is connected with 90 ' with fastening part 90 with 70 ', can disperse like this end plate 70 and 70 ' and fastening part 90 and 90 ' between the stress that produces, thereby can prevent concentrating of stress, avoid end plate 70 and 70 ' to rupture with the join domain of fastening part 90 and 90 '.
In this secondary battery module 10, shell 20 not only has the function of holding battery aggregation 11 and 11 ', also has the function of the cooling air circulation of the path 14 that can make each battery separator 13 of flowing through battery aggregation 11 and 11 ' and 13 ' and 14 '.
According to this execution mode of the present invention, shell 20 can have the shell shape that comprises following element.
As mentioned above, mounting portion 21 holds a pair of battery aggregation 11 and 11 ', with portion's fixed in space battery aggregation 11 and 11 ' within it.In order to fix these battery aggregations 11 and 11 ', can be provided with the various parts that do not illustrate among the figure, for example support, piece spare, lid, the collar etc., with connection part 21 and battery aggregation 11 and 11 '.
Mounting portion 21 can be by constituting more than two parts, and they are fixing respectively to hold battery aggregation 11 and 11 '.
According to this structure of intake section 23 and exit portion 25, the flow process of the cooling air of 21 inboards, mounting portion of flowing through can have from a bit (center of battery aggregation clearance space) it is divided into the branch pattern of both direction.
The assembling process of the secondary battery module with said structure 10 of first embodiment of the invention is, with a plurality of element cells 12 and 12 ' and the battery separator 13 and 13 ' that is arranged between these element cells 12 and 12 ' be aligned to straight line, and end plate 70 and 70 ' be arranged on outermost element cell 12 and 12 ' locate.
Then, insert connecting rod 80 and 80 ' and be fixed in the fixing hole 91 and 91 ' of fastening part 90 and 90 ', nut 81 and 81 ' is fastened to the front end that passes connecting rod 80 that fixing hole 91 and 91 ' stretches out and 80 ' and the battery aggregation 11 and 11 ' that forms tilted shape, make a plurality of element cells 12 and 12 ' and battery separator 13 and 13 ' orientation (X) with respect to them tilt.
That is to say, in assembling process, fastening part 90 with 90 ' with end plate 70 and 70 ' tilt at a predetermined angle (shown in the accompanying drawing is the fastening part situation vertical with end plate),
Therefore,Connecting rod 80 is vertical with 80 ' by fastening part 90 and 90 ', meets at right angles with secured to one another.
In view of the above, end plate 70 and 70 ' keeps the heeling condition of nature, and corresponding to end plate 70 and 70 ' inclined in also can be arranged between end plate 70 and 70 ' element cell 12 and 12 ' and battery separator 13 and 13 ' be assembled together.
Simultaneously, in assembling process, fastening part 90 and 90 ' is fixed towards the inboard of battery aggregation 11 and 11 ' by connecting rod 80 and 80 ', this may cause end plate 70 and 70 ' and fastening part 90 and 90 ' between coupling part 93 and 93 ' locate to produce stress.
Yet this stress is evenly distributed on the whole zone of coupling part 93 with arc-shaped cross-section and 93 ', makes stress not be concentrated on any point.
After the assembling of finishing battery aggregation 11 and 11 ', as a pair of battery aggregation 11 and 11 ', these battery aggregations 11 and 11 ' can be installed in the inboard of the mounting portion 21 of shell 20, be spaced apart from each other simultaneously, constitute the secondary battery module 10 of present embodiment thus.
When this secondary battery module 10 was worked, cooling air passed through the inner space that intake section 23 flows into shells 20, that is, and and the clearance space between the battery aggregation 11 and 11 '.
In this process, because battery aggregation 11 and 11 ' element cell 12 and 12 ' and battery separator 13 and 13 ' be configured to tilt with respect to the incline direction of orientation (X) along them, flow along orientation (X) in the clearance space of cooling air between battery aggregation 11 and 11 ', with the path 14 and 14 ' that flows into battery separator 13 and 13 ' equably.
That is to say that when the cooling air that flows into the clearance space between battery aggregation 11 and 11 ' was distributed in described clearance space, its part flowed into the path 14 and 14 ' of battery separator 13 and 13 '.
When this strand cooling air flow through path 14 and 14 ', it can be derived by each element cell 12 and the 12 ' heat that produces, and this strand air flows to the outside of shell 20 by exit portion 25 then.
Then, cooling air along and the essentially identical direction of clearance space flow direction that flows between the battery aggregation 11 flow, it flows out by outlet opening 25a (direction of arrow shown in Figure 2).
The secondary battery module 10 of this execution mode of the present invention a plurality of battery aggregations 11 that be arranged in parallel in shell 20 inside, so that the height minimum of module, like this, can prevent that not only module size from increasing, but also can make cooling air be circulated to the path 14 of battery separator 13 reposefully.
Therefore, the secondary battery module 10 of present embodiment is the Zone Full that covers of cooling unit battery partly, preventing the heat imbalance of battery aggregation, thereby can make the most effective of cooling unit battery.
Fig. 6 is the perspective view of battery aggregation of the secondary battery module of second execution mode of the present invention, and Fig. 7 is the plane graph of Fig. 6.
With reference to these accompanying drawings, the battery aggregation 111 of the secondary battery module of second execution mode has tight osculating element battery 112 and their support unit of integrated support 150.Support unit 150 comprise respectively be configured in outermost element cell 112 closely contact end plates 170 and 170 ', be connected a pair of end plate 170 and 170 ' connecting rod 180 and 180 ', be used for fastening end plate 170 and 170 ' and the fastening part 190 of connecting rod 180 and 180 ' and 190 ' and the support bar 195 and 195 ' of support unit battery 112.
It is bolt head and the other end is the bolt shape of screw thread that connecting rod 180 and 180 ' has the one end.These connecting rods 180 and 180 ' orientation setting along element cell 112, and be fastened on the end plate 170 by nut 181 and 181 '.
Fastening part 190 and 190 ' is that the long side of end plate 170 in the accompanying drawing and end plate 170 ' is integrally outstanding at the two ends of each end plate 170 and 170 '.
In more detail, fastening part 190 and 190 ' has the fixing hole 191 and 191 ' that is fastenedly connected bar 180, described fastening part is along the direction setting vertical with the orientation of element cell 112, and projects to the outside of end plate 170 and end plate 170 ' long side from two ends.
Then, by welding support bar 195 and 195 ' is connected to the corner edge of end plate 170 and 170 '.The support bar 195 and 195 ' of this second execution mode is fixed on the short side on end plate 170 and 170 ' top, and with the short side of support unit battery 112 and battery separator 113, and the other end is a free end.
As mentioned above, in second execution mode, support bar 195 and 195 ' is configured to be predetermined angular along the orientation of element cell 112 and each end plate 170 and 170 ', with the short side of support unit battery 112.Therefore, end plate 170 and 170 ' keeps heeling condition naturally, the element cell 112 and the battery separator 113 that are arranged between end plate 170 and 170 ' can stably keep heeling condition, simultaneously by end plate 170 and 170 ' and support bar 195 and 195 ' support.
Fig. 8 is the schematic cross-section plane graph of the secondary battery module of third embodiment of the invention.
With reference to this accompanying drawing, the secondary battery module 210 of third embodiment of the invention has and the basic similarly structure of the overall structure of aforesaid first execution mode, but the cross section that the shape that exit portion 225 has can make outlet opening 225a is along with its far away more and broadening gradually apart from intake section 223.
This shape of exit portion 225 can be by being arranged to the outer wall of the mounting portion 221 of the outer wall of exit portion 225 and shell 220 tilt to realize with respect to the imagining center line along the orientation location of element cell 212.
Owing to the secondary battery module 210 of the 3rd execution mode has the exit portion 225 that tilts to be not parallel to element cell 212 orientations at a predetermined angle, when cooling air by after being arranged on the battery separator 213 and 213 ' path 214 and 214 ' between the element cell 212, cooling air can be discharged more swimmingly, and is discharged to the outside of shell 220 by exit portion 225.
Fig. 9 is the schematic cross-section plane graph of the secondary battery module of four embodiment of the invention.
With reference to this accompanying drawing, the structure of the shell 320 that the secondary battery module 310 of the 4th execution mode has can make the flow direction of the cooling air that flows into the clearance space between battery aggregation 311 and 311 ' opposite with the flow direction of the cooling air of discharging by the space between each element cell 312 and 312 ' of battery aggregation 311 and 311 '.
At this moment, exit portion 325 can be arranged to be parallel to the orientation of element cell 312, perhaps as among the figure shown in the dotted line, the imagining center line that it can be arranged to be provided with orientation with respect to element cell 312 and 312 ' tilts.
Can by in the mounting portion 321 internal vertical arrangement units batteries 312 and 312 ', fix they towards the mounting portion 321 centers a side and make them change the battery aggregation 311 and 311 ' that shape (right-hand side among the figure) forms the 4th execution mode towards direction.
In this secondary battery module 310, the cooling air that flows into the clearance space between battery aggregation 311 and 311 ' by ingate 323a by flowing through battery aggregation 311 and 311 ' battery separator 313 and 313 ' path 314 and 314 ' can derive by each element cell 312 and the 312 ' heat that produces.
At this moment, the cooling air after the heat exchange flows along the direction opposite with the flow direction that flows into the clearance space between battery aggregation 311 and 311 ', is discharged to shell 320 outsides (direction of arrow shown in Figure 9) with the outlet opening 325a by exit portion 325.
As mentioned above, embodiments of the present invention have been improved the arrangement architecture of the element cell that is arranged on enclosure, therefore the volume minimum of secondary battery module can be made, and the heat imbalance that causes owing to cooling unit battery partly in the battery aggregation can be prevented.
So the present invention can make the most effective of cooling unit battery, in view of the above, the charging of element cell and discharging efficiency are further improved.
Secondary battery module of the present invention can for example be used as the power supply of fuel oil electric power convertible car, electric motor car, wireless vacuum cleaner, electric bicycle or motor scooter as the power supply of the motor drive that needs high-power performance.
Figure 10 is with as Fig. 1, Fig. 8 and the secondary battery module 10,210 shown in Figure 9 and the schematic block diagram of 310 drive motors 400.
Although illustrated and described several execution mode of the present invention above, should be appreciated that those skilled in the art can carry out various conversion to these execution modes under the prerequisite that does not exceed claims and principle of the present invention that equivalent limited thereof and design.
Claims (20)
1. secondary battery module comprises:
At least two battery aggregations, described battery aggregation has a plurality of continuously arranged element cells; And
The shell that holds described battery aggregation;
Wherein, with respect to the orientation of described element cell, the described element cell of each of each described battery aggregation is configured to tilt with the orientation of described element cell,
Wherein, described battery aggregation is spaced apart setting, and described shell comprises: the mounting portion that holds described battery aggregation; Be used for being provided for the intake section of temperature controlled coolant to the space between the described battery aggregation; And be used for the exit portion that discharge currents is crossed the coolant of described battery aggregation, and wherein, described battery aggregation forms in couples, so that be mutually symmetrical setting,
Wherein said exit portion is arranged on the two ends of described mounting portion, described intake section is arranged on the center of described mounting portion, so that the flow process of the coolant of the inboard, described mounting portion of flowing through has the branch pattern that is divided into both direction from the center in the space between the battery aggregation.
2. secondary battery module as claimed in claim 1, wherein, described battery aggregation has the battery separator that is arranged between the described element cell, and this battery separator comprises at least one path that coolant is flow through.
3. secondary battery module as claimed in claim 2, wherein, described path is made of the passage that is communicated with the described space between described exit portion and the described battery aggregation.
4. secondary battery module as claimed in claim 1, wherein, described shell has such structure, and this structure makes that to flow to the flow direction of coolant in the described space between the described battery aggregation by described intake section identical with the flow direction of the coolant of discharging by described exit portion.
5. secondary battery module as claimed in claim 4 wherein, is formed into oral pore in a side of described shell, forms oral pore at the described shell opposite side in the face of this ingate.
6. secondary battery module as claimed in claim 1, wherein, described shell has such structure, and this structure makes that to flow to the flow direction of coolant in the described space between the described battery aggregation by described intake section opposite with the flow direction of the coolant of discharging by described exit portion.
7. secondary battery module as claimed in claim 6 wherein, is formed into oral pore in a side of described shell, forms oral pore in adjacent part with this ingate.
8. secondary battery module comprises:
At least two battery aggregations, described battery aggregation has a plurality of continuously arranged element cells, and this battery aggregation is configured to symmetry at each interval; And
Shell, it holds described battery aggregation, and the described space of flowing through between the described battery aggregation, the coolant that is used for the temperature between the described element cell is controlled are circulated;
Wherein, orientation with respect to described element cell, the described element cell of each of each described battery aggregation is along the direction setting of tilting with orientation, and each described battery aggregation comprises closely contacts each other integrally to support their support unit described element cell
Wherein, described shell comprises the mounting portion that holds described battery aggregation, is used for the intake section of coolant being provided and being used for the exit portion that discharge currents is crossed the coolant of described battery aggregation to the described space between the described battery aggregation,
Wherein, described battery aggregation forms in couples, the setting so that be mutually symmetrical, described exit portion is arranged on the two ends of described mounting portion, described intake section is arranged on the center of described mounting portion, so that the flow process of the coolant of the inboard, described mounting portion of flowing through has the branch pattern that is divided into both direction from the center in the space between the battery aggregation.
9. secondary battery module as claimed in claim 8, wherein, described battery aggregation has the battery separator that is arranged between the described element cell.
10. secondary battery module as claimed in claim 9, wherein, described battery separator comprises at least one path that coolant is flow through.
11. secondary battery module as claimed in claim 8, wherein, described exit portion is formed parallel with the orientation of described element cell.
12. secondary battery module as claimed in claim 8, wherein, described exit portion is formed with the orientation of described element cell.
13. secondary battery module as claimed in claim 8, wherein, described support unit comprises:
The end plate that closely contacts with the most external element cell respectively;
The connecting rod that is connected with described end plate; And
Be configured to link to each other with described end plate and arrange to support at least one support bar of described element cell along the orientation of described element cell.
14. secondary battery module as claimed in claim 13, wherein, described support unit also comprises the fastening part of the fixing hole with fixing described connecting rod, and this fastening part protrudes in described end plate.
15. secondary battery module as claimed in claim 8, wherein, described support unit comprises:
The end plate that closely contacts with described most external element cell respectively;
The connecting rod that connects described end plate; And
Have the fastening part of the fixing hole of fixing described connecting rod, this fastening part protrudes in described end plate and vertical with the orientation of described element cell, to form the right angle with described connecting rod.
16. secondary battery module as claimed in claim 15, wherein, described fastening part protrudes in the two side ends of the described end plate that faces with each other, and it is bent to described end plate and becomes predetermined angular.
17. secondary battery module as claimed in claim 15, wherein, the thickness of described end plate is equal to or less than the thickness of described standing part.
18. secondary battery module as claimed in claim 15, wherein, the coupling part that is set between described end plate and the described fastening part has arc-shaped cross-section.
18. secondary battery module as claimed in claim 8, wherein, described element cell is a prismatic battery.
20. secondary battery module as claimed in claim 8, wherein, described secondary battery module is used for motor driver.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040099318A KR100627394B1 (en) | 2004-11-30 | 2004-11-30 | Secondary battery module |
| KR99318/04 | 2004-11-30 | ||
| KR94902/05 | 2005-10-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1805202A CN1805202A (en) | 2006-07-19 |
| CN100585933C true CN100585933C (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510119170A Active CN100585933C (en) | 2004-11-30 | 2005-11-30 | Secondary battery module |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100627394B1 (en) |
| CN (1) | CN100585933C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623739A (en) * | 2011-01-26 | 2012-08-01 | Sb锂摩托有限公司 | Battery module |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100696631B1 (en) * | 2005-08-11 | 2007-03-19 | 삼성에스디아이 주식회사 | Secondary battery module |
| DE102008044169A1 (en) * | 2008-11-28 | 2010-06-02 | Robert Bosch Gmbh | battery module |
| US8852778B2 (en) * | 2009-04-30 | 2014-10-07 | Lg Chem, Ltd. | Battery systems, battery modules, and method for cooling a battery module |
| US9478779B2 (en) * | 2014-08-20 | 2016-10-25 | Ford Global Technologies, Llc | Cell to cell terminal connections for a high voltage battery |
| US20160064708A1 (en) * | 2014-08-26 | 2016-03-03 | Ford Global Technologies, Llc | Angled Battery Cell Configuration for a Traction Battery Assembly |
| US9666844B2 (en) * | 2014-08-26 | 2017-05-30 | Ford Global Technologies, Llc | Support structure for angled battery cell configuration for a traction battery assembly |
| DE102014217305A1 (en) * | 2014-08-29 | 2016-03-03 | Robert Bosch Gmbh | Battery cell with a housing with tubular projections |
| US9559393B2 (en) * | 2014-09-30 | 2017-01-31 | Johnson Controls Technology Company | Battery module thermal management fluid guide assembly |
| US10741891B2 (en) * | 2015-11-03 | 2020-08-11 | Ford Global Technologies, Llc | Traction battery assembly |
| US10147986B2 (en) * | 2015-11-03 | 2018-12-04 | Ford Global Technologies, Llc | Traction battery assembly |
| KR102067714B1 (en) * | 2016-11-17 | 2020-01-17 | 주식회사 엘지화학 | Battery module and battery pack including the same |
| KR102142669B1 (en) * | 2017-02-24 | 2020-08-07 | 주식회사 엘지화학 | Air cooling type Battery Module having Guide vane |
| CN108511648A (en) * | 2018-04-18 | 2018-09-07 | 中国石油大学(华东) | A kind of novel impact resistant power battery module |
| KR20210090938A (en) | 2020-01-13 | 2021-07-21 | 삼성에스디아이 주식회사 | Battery pack |
| CN113097621A (en) * | 2021-03-30 | 2021-07-09 | 安徽江淮汽车集团股份有限公司 | Heat dissipation formula battery package and heat dissipation formula battery package group |
-
2004
- 2004-11-30 KR KR1020040099318A patent/KR100627394B1/en active IP Right Grant
-
2005
- 2005-11-30 CN CN200510119170A patent/CN100585933C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623739A (en) * | 2011-01-26 | 2012-08-01 | Sb锂摩托有限公司 | Battery module |
| CN102623739B (en) * | 2011-01-26 | 2016-03-16 | 三星Sdi株式会社 | Battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060060815A (en) | 2006-06-05 |
| CN1805202A (en) | 2006-07-19 |
| KR100627394B1 (en) | 2006-09-21 |
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