CN110120492A - A kind of thermal balance formula bipolar battery heap - Google Patents
A kind of thermal balance formula bipolar battery heap Download PDFInfo
- Publication number
- CN110120492A CN110120492A CN201810123633.XA CN201810123633A CN110120492A CN 110120492 A CN110120492 A CN 110120492A CN 201810123633 A CN201810123633 A CN 201810123633A CN 110120492 A CN110120492 A CN 110120492A
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- Prior art keywords
- deflector
- channel
- passage
- thermal balance
- fluid
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
- H01M10/0418—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes with bipolar electrodes
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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
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/029—Bipolar electrodes
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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
-
- 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 present invention provides a kind of thermal balance formula bipolar battery heaps, and thermal balance device is equipped in thermal balance formula bipolar battery heap.Thermal balance device includes interior the first deflector and interior the second deflector for setting second channel for setting first passage.Multiple first deflectors are set between two adjacent groups electrode slice in the horizontal direction respectively and are set to the two sides up and down of bipolar battery heap, and multiple second deflectors are arranged along the insulated enclosure frame of one or more groups of electrode slices in the vertical direction respectively.First deflector is fixedly connected with the second deflector so that the first passage of the first deflector interconnected and the second deflector and second channel are in fluid communication, to form whole fluid channel in the first passage of multiple first deflectors and the second channel of multiple second deflectors.By injecting cooling fluid or heating fluid in the channel, the cooling, heating and thermal balance of bipolar battery heap may be implemented, to improve the security performance of battery pile, cryogenic property etc..
Description
Technical field
The present invention relates to field of batteries, more particularly to a kind of bipolar battery.
Background technique
The battery pile of bipolar battery is by two monopolar electrode pieces, several bipolar electrode piece, separation layer and electrolysis
Liquid composition.Bipolar electrode piece refers to that there are two poles for tool after positive electrode material layer and negative electrode material layer is respectively coated in bipolar plates two sides
Property electrode slice, unipolarity single pole piece, which refers to after unipolar plate side coats positive electrode material layer or negative electrode material layer, has unipolarity
Electrode slice.Since the battery unit of bipolar battery heap is by electrode plate, positive electrode material layer, separation layer, negative electrode material layer and another
One electrode plate is constituted, and each battery unit is an independent electrochemical structure, thus can be by increasing bipolar electrode
The quantity of piece increases the number of battery unit, and then improves the global voltage of battery.Bipolar battery have battery unit it
Between resistance energy consumption is small, electrode surface electric current and Potential distribution uniformly, the advantages such as battery charging and discharging speed is fast, therefore be suitable for electronic
The fields such as automobile, power energy storage.
Bipolar battery heap needs to stack several electrode slices to meet application demand to improve the work of battery pile electricity
Pressure.But electrode slice stacking quantity is more, the heat of the battery unit of battery pile intermediate region can not more shed as early as possible, because
This is easy to cause battery pile thermal runaway, causes safety accident；In addition, battery unit and the side area of battery pile intermediate region
There are temperature gradients between battery unit, the temperature especially during high rate charge-discharge, in battery pile between battery unit
Unbalanced phenomena is more serious, so that problem inconsistent between battery unit is more prominent, battery pile works long hours
In the environment of non-uniform temperature, stack performance will be reduced, shortens cell stack life.
Summary of the invention
For the problem present on, the present invention provides a kind of thermal balance formula bipolar battery heap, double in the thermal balance formula
In polarity battery pile be equipped with thermal balance device, thermal balance device include the first deflector made of electronic conductive material and by
Second deflector made of electrical insulating material, the first deflector are laid along the surface of the electrode plate of electrode slice, the second deflector
It lays side along the insulated enclosure frame of electrode slice.Channel is equipped in the first deflector and the second deflector, by channel
Middle injection cooling fluid or heating fluid, may be implemented the cooling, heating and thermal balance of bipolar battery heap.
Technical solution provided by the invention is as follows:
A kind of thermal balance formula bipolar battery heap is provided according to the present invention, which includes n group
Electrode slice, wherein n >=2, quantity >=2 of every group of electrode slice.Every group of electrode slice may include single or multiple bipolar electrode pieces
And it is respectively arranged at unipolarity positive plate and unipolarity negative electrode tab that single or multiple bipolar electrode pieces descend two sides on the whole.
Every group of electrode slice can also only include two monopolar electrode pieces, and in this case, the first deflector can play bipolar plates
Effect, unipolarity positive plate and unipolarity negative electrode tab by the first deflector and positioned at the first deflector two sides collectively form
Similar to the structure of bipolar electrode piece.The electrode slice sequentially lower series connection staggered relatively according to the electrode material layer of opposed polarity
Stacking is equipped with separation layer between adjacent electrode slice, is equipped with insulated enclosure frame in the edge of the electrode plate of electrode slice.Its
In, thermal balance formula bipolar battery heap is equipped with thermal balance device, and thermal balance device includes interior the first deflector for setting first passage
With interior the second deflector for setting second channel, first passage forms first passage inlet and on the side of the first deflector
One channel exit, second channel form second channel inlet and second channel outlet on the side of the second deflector.
Multiple (that is, n+1) first deflector is set between two adjacent groups electrode slice in the horizontal direction respectively and is set to position
The outside of top side electrode slice in first group of electrode slice at top is (that is, be located at the upside unipolarity in first group of electrode slice
The top of electrode slice) and lower side electrode slice in the n-th group electrode slice of bottom outside (that is, being located at n-th group electrode
The lower section of downside monopolar electrode piece in piece), that is to say, that multiple first deflectors are respectively arranged in n group electrode slice
Between the two arrays of electrodes piece and two sides up and down of n group electrode slice entirety.Multiple second deflectors respectively in the vertical direction along
The side of the insulated enclosure frame of one or more groups of electrode slices is arranged.First deflector can be mutually permanently connected with the second deflector
So that the second channel of the first passage of the first deflector and the second deflector is in fluid communication, thus in multiple first deflectors
Whole fluid channel is formed in the second channel of first passage and multiple second deflectors.Traditional bipolar battery heap includes
Multiple bipolar electrode pieces and above and below multiple bipolar electrode pieces two sides two monopolar electrode pieces, and it is traditional double
Polarity battery pile is different, and thermal balance formula bipolar battery heap includes multi-group electrode piece, and every group of electrode slice includes two unipolarities
Electrode slice and bipolar electrode piece more than or equal to zero.First deflector is set between two adjacent groups electrode slice, first
Deflector can be with conduct electrons, to play the role of transmitting electronics between adjacent two arrays of electrodes piece；In first deflector
First passage can transmit fluid, so as to control the temperature of each group electrode slice by the temperature for controlling fluid.Along absolutely
The second deflector that the vertical surface of edge sealing frame is set to bipolar battery heap side is electronic isolation, so as to prevent
The electronics for multiple first deflectors being connected with same second deflector is connected, therefore can prevent bipolar battery heap
Internal short-circuit；Second channel in second deflector can transmit fluid, by with the first passage in the first deflector with each
Kind mode is connected to form series, parallel, serial-parallel mirror fluid channel, and cooling, the heating of bipolar battery heap may be implemented
And thermal balance.Fluid in fluid channel is air, nitrogen, helium, inert gas, water, ethylene glycol, water are mixed with ethylene glycol
Liquid, without lithium salt electrolyte (that is, electrolyte solvent, such as ethylene carbonate (EC), diethyl carbonate (DEC), dimethyl carbonate
(DMC), methyl ethyl carbonate (EMC) etc.), electrolyte, hydro carbons conduction oil, in silicon substrate conduction oil and two benzyl group toluene conduction oils etc.
One or more mixing.
The extension path of first passage in first deflector and the second channel in the second deflector can be straight line, song
One or more of line, broken line and branch line etc..In addition, the internal diameter of first passage and second channel can be in single-size
Diameter is non-single-size internal diameter.The cross section of first passage and the cross-sectional shape of second channel can be round, oval
One or more of shape, triangle, polygon and irregular shape etc..
First passage inlet and first passage outlet can be located on the identical side of the first deflector, are opposite
On side or on adjacent side, this can be realized by changing the extension path of first passage.At the same time, Duo Ge
Two deflectors can correspondingly be set on the identical side of bipolar battery heap, on opposite side or adjacent side
On.
First passage inlet can be located on one or more sides of the first deflector, and first passage outlet can also
To be located on one or more sides of the first deflector.In other words, by the way that the second deflector (every the second water conservancy diversion of set will be covered more
Have multiple second deflectors in plate) it cooperates with the first deflector, it can be formed with different fluid input port and/or not
With more set fluid channels of fluid discharge port.
Concatenated fluid channel is formed in the second channel of first passage and the second deflector by the first deflector
In structure, the second deflector includes two the second deflectors of end and n the second deflector of middle part, in the second deflector of end
It is equipped with fluid note row channel, the second channel in fluid note row channel and the second deflector of end is in fluid communication, thus will note
The fluid entered send into the second channel of the second deflector of end or arranges the fluid in the second channel of the second deflector of end
Out.The port in fluid note row channel can be docked with the external circulatory system, so that being heated or cooled passing through in storage device
Fluid injection fluid note row channel in or fluid infused into the fluid in row channel be expelled in storage device, fluid note row is logical
The quantity of the port in road can be one or more.The second channel outlet of the second deflector of one end be located at from bipolarity
The first passage inlet docking of the first deflector on the upside of first group of electrode slice, and the other end second are played at the top of battery pile
The second channel inlet of deflector be located at from the top of bipolar battery heap n-th group electrode slice (that is, last group of electrode
Piece) on the downside of the first deflector first passage outlet docking, n-th middle part the second deflector second channel inlet with
The first passage outlet of the first deflector on the upside of n-th group electrode slice docks and the second deflector in the middle part of in the of n-th
Second channel outlet is docked with the first passage inlet for the first deflector being located on the downside of n-th group electrode slice, thus in n group
Concatenated fluid channel is formed between electrode slice.As described above, according in the first deflector first passage lay form and
The arrangement mode of first passage inlet and first passage outlet, two the second deflectors of end and n the second water conservancy diversion of middle part
A side, opposite flank or the adjacent side in bipolar battery heap can be set in plate, in addition can be set and respectively includes two
The second deflector of more sets of a the second deflector of end and n the second deflector of middle part.
Fluid channel in parallel is formed in the second channel of first passage and the second deflector by the first deflector
In structure, fluid note row channel, the second channel stream in fluid note row channel and the second deflector are equipped on the second deflector
Body connection, to the fluid of injection be sent into the second channel of the second deflector or will be in the second channel of the second deflector
Fluid discharge.The first passage inlet of second channel outlet and whole n+1 the first deflector of one the second deflector
The second channel inlet of docking, another second deflector is docked with the first passage outlet of n+1 the first deflectors of whole,
Thus fluid channel in parallel is formed between n group electrode slice.In this case, the second channel in the second deflector can be with
It is a plurality of tubular conduit, is also possible to the integral cavity being set in the second deflector.It is also as described above, according to the first water conservancy diversion
First passage in plate lays the arrangement mode of form and first passage inlet and first passage outlet, and two second are led
A side, opposite flank or the adjacent side in bipolar battery heap can be set in flowing plate, in addition can be set and respectively includes
The second deflector of more sets of two the second deflectors.
It is logical in the fluid that the second channel of first passage and the second deflector by the first deflector forms serial-parallel mirror
In the structure in road, the second deflector includes the second deflector of two the second deflectors of end and one or more middle parts, is being held
The second deflector of portion is equipped with fluid note row channel, and the second channel fluid in fluid note row channel and the second deflector of end connects
It is logical, to sending the fluid of injection into the second channel of the second deflector of end or by the second channel of the second deflector of end
In fluid discharge.By all the first deflectors of the upside, downside and centre of m group electrode slice from the top of bipolar battery heap
First passage inlet docked with the second channel outlet of the second deflector of one end, and will be from bipolar battery heap most
Play first passage outlet and the other end the of the first deflectors of whole of the upside of m group electrode slice, downside and centre in bottom
The second channel inlet of two deflectors docks.Each the second deflector of middle part is corresponding with 2m+1 group electrode slice, wherein each
On the upside of the second channel inlet and top m group electrode slice of the second deflector of middle part, all the first deflectors of downside and centre
First passage outlet docking and the second deflector of each middle part second channel outlet and lower section m group electrode slice on
The first passage inlet docking of all the first deflectors of side, downside and centre, multiple the second deflectors of middle part are in bipolarity
On the side of battery pile from the top of thermal balance formula bipolar battery heap interlaced arrangement to form the fluid channel of serial-parallel mirror,
n>m≥1.That is, the second deflector of end, which plays, carries out the first runner of multiple first deflectors effect in parallel, and
The first runner of multiple first deflectors is divided into several parallel connection parts and by the of each parallel connection part by the second deflector of middle part
One runner is integrally connected.As described above, laying form and first passage inlet according to the first passage in the first deflector
With the arrangement mode of first passage outlet, two the second deflectors of end and the second deflector of multiple middle parts be can be set in double
In addition a side, opposite flank or the adjacent side of polarity battery pile can be set and respectively include two the second water conservancy diversion of end
The second deflector of more sets of the second deflector of plate and multiple middle parts.
The material of first deflector can be electronic conductive material, it is therefore preferable to the good electronic conduction material of heating conduction
Material, such as one or more of copper, aluminium, stainless steel etc..The material of second deflector can be electrically insulating material.
Present invention has an advantage that
1) the first deflector is set between every group of electrode slice in bipolar battery heap, and the material of the first deflector is led for electronics
Electricity and the material with Thermal conductivity can be fine by the fluid temperature (F.T.) in first passage in the first deflector of control
Ground controls the temperature of each group electrode slice in bipolar battery heap, efficiently solves the cooling of each group electrode slice in battery pile, adds
The problems such as hot, improves security performance, cryogenic property of battery pile etc..
2) fluid of serial communication, parallel communication or serial-parallel mirror connection can be formed by the laying of the second deflector
Channel can effectively keep the consistency of temperature between every group of electrode slice, improve electricity by the fluid flowed in the fluid passage
Pond performance extends battery life.
3) it by the thermal balance device being made of the first deflector and the second deflector, can contribute to complete battery pile
Cooling, heating and thermal balance, and it is its structure simple and flexible, low in cost.
Detailed description of the invention
Fig. 1 is the schematic cross-section according to the thermal balance formula bipolar battery heap of first embodiment of the invention；
Fig. 2 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of first embodiment of the invention, wherein figure
2 (a) show the decomposing state of the second deflector, and Fig. 2 (b) shows the assembled state of the second deflector；
Fig. 3 is the schematic cross-section according to the thermal balance formula bipolar battery heap of second embodiment of the invention；
Fig. 4 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of second embodiment of the invention, wherein figure
4 (a) show the decomposing state of the second deflector, and Fig. 4 (b) shows the assembled state of the second deflector；
Fig. 5 is the schematic cross-section according to the thermal balance formula bipolar battery heap of third embodiment of the invention；
Fig. 6 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of third embodiment of the invention, wherein figure
6 (a) show the decomposing state of the second deflector, and Fig. 6 (b) shows the assembled state of the second deflector；
Fig. 7 is the schematic cross-section of the first deflector according to the present invention, wherein Fig. 7 (a)-(c) respectively illustrates first
The different cross section shape in channel；
Fig. 8 is the floor map of the first deflector according to the present invention, wherein Fig. 8 (a)-(f) respectively illustrates first
The different of channel lay situation.
Reference signs list
101,102,103,104,105 --- first, second, third, fourth, the 5th group of electrode slice
2 --- the first deflector
201 --- first passage
202 --- first passage inlet
203 --- first passage outlet
3 --- the second deflector
301 --- second channel
302 --- second channel inlet
303 --- second channel outlet
The second deflector of 3a --- end
The second deflector of 3b --- middle part
4 --- fluid note row channel
5 --- insulated enclosure frame
Specific embodiment
Below in conjunction with attached drawing, by embodiment, the present invention will be further described.
Fig. 1 is the schematic cross-section according to the thermal balance formula bipolar battery heap of first embodiment of the invention.Shown in Fig. 1
Thermal balance formula bipolar battery heap include four groups of electrode slices 101,102,103,104 and tandem type thermal balance device.Every group of electricity
Pole piece includes multiple bipolar electrode pieces and is set to the monopolar electrode piece that multiple bipolar electrode pieces descend two sides on the whole.
Thermal balance device includes the first deflector 2 and the second deflector 3, first passage 201 is equipped in the first deflector 2 and the
Second channel 301 is equipped in two deflectors 3.Five the first deflectors 2 are respectively arranged at first from the top of bipolar battery heap
Between the group upside of electrode slice 101, adjacent two arrays of electrodes piece and the 4th group of electrode slice 104 from the top of bipolar battery heap
Downside, each first deflector it is adjacent with the unipolar plate of monopolar electrode piece in adjacent electrode piece group and it is fixed conductive even
It connects.Four the second deflectors 3 are set to the side of bipolar battery heap along the insulated enclosure frame 5 of electrode slice, and each second leads
Flowing plate 3 corresponds to one group of electrode slice.First deflector 2 and the second deflector 3 are mutually permanently connected, so that the of the first deflector 2
The second channel 301 of one channel 201 and the second deflector 3 is in fluid communication.As illustrated by the arrows in fig. 1, fluid is most upper from being located at
One end of the first passage of first deflector of side enters in first passage, is flowed through later positioned at first group of 101 side of electrode slice
On the second deflector second channel, then via first between first group of electrode slice 101 and second group of electrode slice 102
The first passage of deflector then flows through the second channel of the second deflector on second group of 102 side of electrode slice, with this
Analogize, is finally flowed out from one end of the first passage of the first deflector of the bottom, to complete fluid in bipolar battery heap
In series flow.
Fig. 2 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of first embodiment of the invention, wherein figure
2 (a) show the decomposing state of the second deflector, and Fig. 2 (b) shows the assembled state of the second deflector.Fig. 2 shows series connection
One example of type thermal balance device.Wherein, the quantity of the first deflector 2 is five, opposite the two of each first deflector
Side is equipped with first passage inlet corresponding with each first passage and first passage outlet.Second deflector 3 includes two
A end the second deflector 3a and four the second deflector 3b of middle part.Fluid note row channel is equipped on the second deflector 3a of end
4, fluid note row channel 4 is in fluid communication with the second channel in the second deflector of end 3a, in the side of end the second deflector 3a
Face is equipped with second channel outlet corresponding with each second channel or second channel inlet.It is led at each middle part second
Second channel inlet corresponding with each second channel and second channel outlet are respectively equipped on the side of flowing plate 3b.Phase
The quantity of the second channel inlet 302 on the first deflector and the second deflector being mutually correspondingly connected with, positions and dimensions and the
Quantity, the positions and dimensions of one channel exit 203 are corresponding, the quantity of second channel outlet 303, positions and dimensions and the
Quantity, the positions and dimensions of one channel inlet 202 are corresponding.By the way that the second deflector 3 is connected with the first deflector 2, shape
Integral serial fluid channel.
Fig. 3 is the schematic cross-section according to the thermal balance formula bipolar battery heap of second embodiment of the invention.Shown in Fig. 3
Thermal balance formula bipolar battery heap include four groups of electrode slices 101,102,103,104 and parallel connection type thermal balance device.Every group of electricity
Pole piece includes multiple bipolar electrode pieces and is set to the monopolar electrode piece that multiple bipolar electrode pieces descend two sides on the whole.
Thermal balance device includes the first deflector 2 and the second deflector 3, first passage 201 is equipped in the first deflector 2 and the
Second channel 301 is equipped in two deflectors 3.Five the first deflectors 2 are respectively arranged at first from the top of bipolar battery heap
Between the group upside of electrode slice 101, adjacent two arrays of electrodes piece and the 4th group of electrode slice 104 from the top of bipolar battery heap
Downside, each first deflector it is adjacent with the unipolar plate of monopolar electrode piece in adjacent electrode piece group and it is fixed conductive even
It connects.Two the second deflectors 3 are set to the side of bipolar battery heap along the insulated enclosure frame 5 of electrode slice, and each second leads
Flowing plate corresponds to four groups of electrode slices.First deflector 2 and the second deflector 3 are mutually permanently connected, so that the first of the first deflector 2
The second channel 301 of channel 201 and the second deflector 3 is in fluid communication.As indicated by the arrows in fig. 3, fluid is led from one second
One end of the second channel of flowing plate 3 enters in second channel 301, later and is advanced into the first passages of five the first deflectors 2
In 201, finally from the second channel 301 of another second deflector 3 flow out, thus complete fluid in bipolar battery heap and
Connection flowing.
Fig. 4 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of second embodiment of the invention, wherein figure
4 (a) show the decomposing state of the second deflector, and Fig. 4 (b) shows the assembled state of the second deflector.Fig. 4 shows parallel connection
One example of type thermal balance device.Wherein, the quantity of the first deflector 2 is five, opposite the two of each first deflector
Side is equipped with first passage inlet corresponding with each first passage and first passage outlet.The quantity of second deflector 3
It is two, whole second channels in second deflector are for whole cavity structure and in the side of second deflector
There is second channel outlet on face, whole second channels in another second deflector be whole cavity structure and
There is second channel inlet on the side of second deflector.Fluid note row channel 4, stream are additionally provided on the second deflector 3
Second channel in body note row channel and the second deflector is in fluid communication.Correspond to each other the first deflector and the second water conservancy diversion of connection
The quantity of second channel inlet 302, the quantity of positions and dimensions and first passage outlet 203, positions and dimensions on plate
It is corresponding, the quantity of second channel outlet 303, the quantity of positions and dimensions and first passage inlet 202, positions and dimensions
It is corresponding.By the way that the second deflector 3 is connected with the first deflector 2, whole parallel flow channel is formed.
Fig. 5 is the schematic cross-section according to the thermal balance formula bipolar battery heap of third embodiment of the invention.Shown in Fig. 5
Thermal balance formula bipolar battery heap include that five groups of electrode slices 101,102,103,104,105 and serial-parallel mirror type thermal balance fill
It sets.Every group of electrode slice includes multiple bipolar electrode pieces and is set to the monopole that multiple bipolar electrode pieces descend two sides on the whole
Property electrode slice.Thermal balance device includes the first deflector and the second deflector, is equipped with first passage 201 simultaneously in the first deflector
And second channel 301 is equipped in the second deflector.Six the first deflectors 2 are respectively arranged at from the top of bipolar battery heap
The 5th group of electrode between the upside of first group of electrode slice 101, adjacent two arrays of electrodes piece and from the top of bipolar battery heap
The downside of piece 105, each first deflector is adjacent with the unipolar plate of monopolar electrode piece in adjacent electrode piece group and fixation is led
Electrical connection.Four the second deflectors are set to the side of bipolar battery heap, two of them along the insulated enclosure frame 5 of electrode slice
End the second deflector 3a corresponds respectively to first group of electrode slice 101 and the 5th group of electrode slice 105, two the second deflectors of middle part
The second deflector of middle part in 3b positioned at upside corresponds to the first to three group electrode slice and is located at the second water conservancy diversion of middle part of downside
Plate corresponds to third to five groups of electrode slices.First deflector and the second deflector are fixed to each other, so that the first of the first deflector
The second channel 301 of channel 201 and the second deflector is in fluid communication.As illustrated by arrows 5, fluid is electric from being located at first group
One end of the second channel of end the second deflector 3a of 101 side of pole piece enters second channel 301, flows through be located at parallel later
The first passage 201 of first deflector 2 of first group of about 101 two sides of electrode slice enters the second deflector of middle part for being located at upside
The second channel 301 of 3b, parallel stream after the section of bus downlink corresponding with second group of electrode slice 102 of fluid in the second channel
First passage 201 through being located at the first deflector 2 of about 103 two sides of third group electrode slice enters the middle part second for being located at downside
The second channel of deflector 3b, under the section of bus corresponding with the 4th group of electrode slice 104 of following fluid in the second channel
The first passage flowed through parallel after row positioned at the first deflector of the 5th group of about 105 two sides of electrode slice enters positioned at the 5th group of electricity
The second channel of end the second deflector 3a of 105 side of pole piece and discharge, to complete fluid in bipolar battery heap
Serial-parallel mirror flowing.
Fig. 6 is the stereoscopic schematic diagram according to the thermal balance formula bipolar battery heap of third embodiment of the invention, wherein figure
6 (a) show the decomposing state of the second deflector, and Fig. 6 (b) shows the assembled state of the second deflector.Fig. 6 shows string simultaneously
One example of hybrid type thermal balance device.Wherein, the quantity of the first deflector 2 is eight, in the phase of each first deflector
Adjacent two sides are equipped with first passage inlet corresponding with each first passage and first passage outlet.Second deflector includes
Two end the second deflector 3a and three the second deflector 3b of middle part.Fluid note row channel is equipped on the second deflector of end
4 and multiple second channels extended vertically are equipped in the second deflector of end, fluid note row channel and whole second channels
It is in fluid communication, second channel outlet corresponding with each second channel or the is equipped on the side of the second deflector of end
Two channel inlets.Multiple second channels extended vertically are equipped in each the second deflector of middle part, at each middle part second
Multiple second channel inlets and multiple second channels along the setting of each second channel are respectively equipped on the side of deflector
Outlet.Correspond to each other quantity, position and the ruler of the second channel inlet on the first deflector and the second deflector of connection
It is very little corresponding with the quantity of first passage outlet, positions and dimensions, the quantity of second channel outlet, positions and dimensions and the
Quantity, the positions and dimensions of one channel inlet are corresponding.By the way that the second deflector is connected with the first deflector, formed whole
Serial-parallel mirror fluid channel.
Fig. 7 is the schematic cross-section of the first deflector according to the present invention, wherein Fig. 7 (a)-(c) respectively illustrates first
The different cross section shape in channel.In Fig. 7 (a), the cross-sectional shape of first passage 201 is rectangular；In Fig. 7 (b), first is logical
The cross-sectional shape in road 201 is circle；In Fig. 7 (c), the cross-sectional shape of first passage 201 is diamond shape.
Fig. 8 is the floor map of the first deflector according to the present invention, wherein Fig. 8 (a)-(f) respectively illustrates first
The different of channel lay situation.In Fig. 8 (a) and Fig. 8 (b), the first passage inlet 202 of first passage 201 and first leads to
Road outlet 203 is located at the opposite sides of the first deflector 2, wherein in Fig. 8 (a), first passage 201 prolongs along straight line
It stretches, in Fig. 8 (b), first passage 201 extends along broken line.In Fig. 8 (c), the first passage inlet 202 of first passage 201
Positioned at the side of the first deflector 2, the first passage outlet 203 of first passage 201 is located at opposite the two of the first deflector 2
Side, first passage 201 extend along curve.In Fig. 8 (d) and Fig. 8 (e), the first passage inlet 202 of first passage 201
Positioned at the adjacent two sides of the first deflector 2, in addition the first passage outlet 203 of first passage 201 is located at the first deflector 2
Adjacent two sides, wherein first passage 201 extends along oblique line in Fig. 8 (d), and first passage 201 is in Fig. 8 (e) with grid
Shape, which intersects, to be extended.In Fig. 8 (f), the first passage inlet 202 and first passage outlet 203 of first passage 201 are located at the
The same side of one deflector 2, first passage 201 extend along curve.
The specific embodiment of the invention is not intended to limit the invention.Anyone skilled in the art is not departing from
Under technical solution of the present invention ambit, all technical solution of the present invention is made using the methods and technical content of the disclosure above
Many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from the technology of the present invention side
The content of case, any simple modifications, equivalents, and modifications made to the above embodiment according to the technical essence of the invention,
It still falls within the scope of protection of the technical scheme of the present invention.
Claims (11)
1. a kind of thermal balance formula bipolar battery heap, which is characterized in that the thermal balance formula bipolar battery heap includes n group electrode
Piece, wherein n >=2, quantity >=2 of the electrode slice in every group of electrode slice, the electrode slice according to opposed polarity electrode material layer
Staggered relatively sequentially descends stacked in series, separation layer is equipped between the adjacent electrode slice, the four of the electrode slice
Circumferential edges are equipped with insulated enclosure frame, wherein the thermal balance formula bipolar battery heap is equipped with thermal balance device, the thermal balance dress
It sets including interior the first deflector for setting first passage and interior the second deflector for setting second channel, the first passage is described
First passage inlet and first passage outlet are formed on the side of one deflector, the second channel is in second water conservancy diversion
Second channel inlet and second channel outlet are formed on the side of plate, wherein n+1 first deflectors are along level side
To between the two adjacent groups electrode slice being respectively arranged in n group electrode slice and being set to the two sides up and down of n group electrode slice entirety,
Multiple second deflectors are arranged along the insulated enclosure frame of one or more groups of electrode slices in the vertical direction respectively, and described the
One deflector is mutually permanently connected with second deflector so that the first passage of first deflector is led with described second
The second channel of flowing plate is in fluid communication, thus in the first passage and the multiple second deflector of the multiple first deflector
Second channel in form whole fluid channel.
2. thermal balance formula bipolar battery heap according to claim 1, wherein second deflector includes two ends
Second deflector and n the second deflector of middle part are equipped with fluid note row channel, the stream on second deflector of end
Second channel in body note row channel and second deflector of end is in fluid communication, to sending the fluid of injection to the end
It is discharged in the second channel of the second deflector of portion or by the fluid in the second channel of second deflector of end, an end
The second channel outlet of the second deflector of portion be located at from the top of the thermal balance formula bipolar battery heap first group electricity
The first passage inlet of first deflector on the upside of pole piece docks, and the second of another the second deflector of the end
Channel inlet is docked with the first passage outlet for first deflector being located on the downside of n-th group electrode slice, described in n-th
The second channel inlet of the second deflector of middle part be located at from the top of the thermal balance formula bipolar battery heap n-th group electricity
The first passage outlet of first deflector on the upside of pole piece dock and n-th of second deflector of middle part second
Channel exit is docked with the first passage inlet for first deflector being located on the downside of n-th group electrode slice, thus in institute
It states and forms concatenated fluid channel between n group electrode slice.
3. thermal balance formula bipolar battery heap according to claim 1, wherein be equipped with fluid on second deflector
Note row channel, fluid note row channel is in fluid communication with the second channel in second deflector, thus by the stream of injection
Body send into the second channel of second deflector or the fluid in the second channel of second deflector is discharged, an institute
The second channel outlet for stating the second deflector is docked with the first passage input port of n+1 first deflectors of whole, separately
The first passage outlet pair of the second channel input port of one second deflector and whole n+1 first deflectors
It connects, thus forms fluid channel in parallel between the n group electrode slice.
4. thermal balance formula bipolar battery heap according to claim 1, wherein second deflector includes two ends
It is logical to be equipped with fluid note row on second deflector of end for the second deflector of second deflector and one or more middle parts
Road, fluid note row channel is in fluid communication with the second channel in second deflector of end, thus by the fluid of injection
It send into the second channel of second deflector of end or arranges the fluid in the second channel of second deflector of end
Out, by the upside, downside of m group electrode slice from the top of the thermal balance formula bipolar battery heap and the whole of centre described
The first passage inlet of one deflector is docked with the second channel outlet of second deflector of end, and will be from institute
Play whole first deflector of the upside of m group electrode slice, downside and centre in the bottom for stating thermal balance formula bipolar battery heap
First passage outlet docked with the second channel inlet of another second deflector of end, each middle part second
Deflector is corresponding with 2m+1 group electrode slice, wherein the second channel inlet of each the second deflector of the middle part and top m
On the upside of group electrode slice, the first passage outlet docking of whole first deflector of downside and centre and each described
On the upside of the second channel outlet and lower section m group electrode slice of the second deflector of middle part, the whole described first of downside and centre leads
The first passage inlet of flowing plate docks, and multiple second deflectors of middle part are in the side of the thermal balance formula bipolar battery heap
On face from the top of the thermal balance formula bipolar battery heap interlaced arrangement to form the fluid channel of serial-parallel mirror, n > m
≥1。
5. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein first deflector
Material be electronic conductive material, the material of second deflector is electrically insulating material.
6. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein in the fluid channel
In can inject heat-transfer fluid so that each group electrode slice temperature keep uniformly and can to each group electrode slice carry out it is cold
But or heating, the heat-transfer fluid are air, nitrogen, helium, inert gas, water, ethylene glycol, water and ethylene glycol mixture, nothing
The mixing of one or more of lithium salt electrolyte, electrolyte, hydro carbons conduction oil, silicon substrate conduction oil and two benzyl group toluene conduction oils.
7. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein the first passage
Extension path is one or more of straight line, curve, broken line and branch line, the extension path of the second channel be straight line,
One or more of curve, broken line and branch line.
8. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein the first passage note
Entrance and the first passage outlet are located on the identical side of first deflector, are on opposite side or adjacent
Side on.
9. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein the first passage note
Entrance can be located on one or more sides of first deflector, and the first passage outlet can be located at described the
On one or more sides of one deflector.
10. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein the first passage
Cross-sectional shape is one or more of round, oval, triangle and polygon, the cross-sectional shape of the second channel
For one or more of round, ellipse, triangle and polygon.
11. thermal balance formula bipolar battery heap according to any one of claim 1 to 4, wherein the first passage
Internal diameter is non-single-size internal diameter, and the internal diameter of the second channel is non-single-size internal diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123633.XA CN110120492B (en) | 2018-02-07 | 2018-02-07 | Heat-equalizing bipolar battery stack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123633.XA CN110120492B (en) | 2018-02-07 | 2018-02-07 | Heat-equalizing bipolar battery stack |
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| CN110120492B CN110120492B (en) | 2021-01-26 |
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|---|---|---|---|---|
| TWI269479B (en) * | 2005-01-26 | 2006-12-21 | Inst Nuclear Energy Res Aec | A passage structure for a fuel cell plate |
| CN102163758A (en) * | 2010-02-24 | 2011-08-24 | 通用汽车环球科技运作有限责任公司 | Cooling system for a battery assembly |
| CN102792512A (en) * | 2009-10-14 | 2012-11-21 | 江森自控帅福得先进能源动力系统有限责任公司 | Prismatic cell system with thermal management features |
| CN102969544A (en) * | 2011-09-01 | 2013-03-13 | 三星Sdi株式会社 | Battery pack |
| EP2631986A1 (en) * | 2012-02-24 | 2013-08-28 | Samsung SDI Co., Ltd. | Battery module |
| CN104953148A (en) * | 2015-06-30 | 2015-09-30 | 中国东方电气集团有限公司 | Voltaic pile |
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2018
- 2018-02-07 CN CN201810123633.XA patent/CN110120492B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI269479B (en) * | 2005-01-26 | 2006-12-21 | Inst Nuclear Energy Res Aec | A passage structure for a fuel cell plate |
| CN102792512A (en) * | 2009-10-14 | 2012-11-21 | 江森自控帅福得先进能源动力系统有限责任公司 | Prismatic cell system with thermal management features |
| CN102163758A (en) * | 2010-02-24 | 2011-08-24 | 通用汽车环球科技运作有限责任公司 | Cooling system for a battery assembly |
| CN102969544A (en) * | 2011-09-01 | 2013-03-13 | 三星Sdi株式会社 | Battery pack |
| EP2631986A1 (en) * | 2012-02-24 | 2013-08-28 | Samsung SDI Co., Ltd. | Battery module |
| CN104953148A (en) * | 2015-06-30 | 2015-09-30 | 中国东方电气集团有限公司 | Voltaic pile |
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| Publication number | Publication date |
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| CN110120492B (en) | 2021-01-26 |
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Address after: No. 1, 1st Floor, Building 4, No. 10, South 3rd Road, Shodu, Wuhou District, Chengdu City, Sichuan Province, 610043 Patentee after: Haofengguang Energy storage (Chengdu) Co.,Ltd. Address before: 1711, 17th floor, building 2, yard 1, Shangdi 10th Street, Haidian District, Beijing 100085 Patentee before: Beijing Hawaga Power Storage Technology Co.,Ltd. |