CN109119553A - A kind of HORIZON~○ C~2M battery - Google Patents
A kind of HORIZON~○ C~2M battery Download PDFInfo
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- CN109119553A CN109119553A CN201811209549.6A CN201811209549A CN109119553A CN 109119553 A CN109119553 A CN 109119553A CN 201811209549 A CN201811209549 A CN 201811209549A CN 109119553 A CN109119553 A CN 109119553A
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- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000002955 isolation Methods 0.000 claims abstract description 61
- 230000004888 barrier function Effects 0.000 claims abstract description 52
- 239000003292 glue Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000007773 negative electrode material Substances 0.000 claims abstract description 16
- 238000011049 filling Methods 0.000 claims abstract description 11
- 239000007774 positive electrode material Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims description 20
- 230000004308 accommodation Effects 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 15
- 239000010410 layer Substances 0.000 description 15
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- 238000004519 manufacturing process Methods 0.000 description 9
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- 238000013461 design Methods 0.000 description 7
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- 238000003466 welding Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229920006335 epoxy glue Polymers 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000565 sealant Substances 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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- 229920006332 epoxy adhesive Polymers 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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- 239000012188 paraffin wax Substances 0.000 description 1
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- 238000004382 potting Methods 0.000 description 1
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Classifications
-
- 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
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
-
- 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
-
- 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
- H01M50/183—Sealing members
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of HORIZON~○ C~2M battery, including battery case and it is set to the intracorporal one or more battery pole group of battery case, battery electrode group includes anode sub-pole plate, several quasi- double polarity plates placed are laminated, negative terminal sub-pole plate and the diaphragm being set between positive/negative plate, quasi- double polarity plate one end is coated with positive active material, the other end is coated with negative electrode active material, there are one section of exposed galvanized wires for positive/negative plate electrical connection for centre, be provided between the group of the adjacent cell pole for galvanized wire perpendicular through and the different battery electrode groups of isolation between liquid and/or gas flowing isolation barrier, the gap filling that the isolation barrier intersects with the galvanized wire has sealing medium;The position that the battery case intersects with the isolation barrier is provided with the ring-like glue groove around the isolation barrier surrounding, and the glue groove is filled with the sealing medium for sealing the gap of the battery case and the isolation barrier.The technical program makes galvanized wire pass through isolation barrier, and it is filled in the place of intersection with sealing medium, and special construction portion accommodating sealing medium is also provided in the surrounding of isolation barrier, sealing is filled into gap between isolation barrier and shell, it can be realized the sealing between HORIZON~○ C~2M battery cell, solve the problems, such as to alter liquid or gas blowby between HORIZON~○ C~2M battery cell.
Description
[technical field]
The present invention relates to a kind of battery more particularly to a kind of HORIZON~○ C~2M batteries of favorable sealing property.
[background technique]
Lead-acid battery starts from the charge and discharge in the sulfuric acid solution of 10wt% about Pb electrode of Gaston Plante in 1859
Research.1881, the lead plaster that red lead, sulfuric acid and water mix was coated on stereotype as electrode by Camille Faure,
Stereotype is changed to stereotype grid by Ernest Volckmar.This two technologies alleviate lead-acid battery positive and negative pole lead paste softening and shedding,
Effectively improve the capacity of lead-acid battery.Thus lead-acid battery structure basic forming and moves to maturity.By grinding for more than 150 years
Study carefully and improve, lead-acid battery is all reformed in directions such as pole plate, additive, separator material and manufacturing process.Currently, lead
Sour battery production and reserve of electricity still occupy first of electrochmical power source, make huge tribute for the development and progress of human society
It offers.Because its have many advantages, such as reliable and stable, memory-less effect, it is cheap, monomer high capacity cell can be made into, lead-acid battery is
It is widely used as automobile starting power supply, uninterruptible power supply, the electrical source of power from electric bicycle to diesel submarines and accumulation power supply
Etc..
The basic structure of traditional lead acid batteries is that positive/negative plate is formed by the grid for being coated with lead plaster, between positive/negative plate with every
Film separates, and positive/negative plate is welded to battery current and external connection after corresponding busbar connector through pole, and battery cover is by battery
Sealing, prevents electrolyte from flowing out.The pole plate of traditional lead acid batteries is placed by the way of vertical, will appear electrolysis in use process
One of the main reason for polarization phenomena of liquid stratification phenomena, i.e. concentration of electrolyte difference, this is battery capacity decline and the lost of life.
In order to solve problem above, it has been developed that a kind of HORIZON~○ C~2M battery: dipolar configuration subject to pole plate, i.e., in plate
The positive electrode active material of coating on one side of grid is positive plate, and it is negative plate that another side, which coats negative electrode active material,;Between bipolar plates with diaphragm every
It opens, is horizontally staggered according to certain position and stacks (as shown in Figure 1), then pressure frame is installed fixed, form battery module dress
Enter in battery case, be sealed after cast welding, then by acid filling, chemical conversion, is finally made horizon battery, such as U.S.
Documented by the patent US5409787 of Electrosource company application in the 1993 and patent US6074774 of application in 1998
Content.
However, although this HORIZON~○ C~2M battery solves electrolyte stratification phenomena, and internal resistance is small, lightweight, cell
Between series connection be directly realized by by the galvanized wire of connection bipolar plates, without welding (conventional elements lattice series connection, first by the weldering of a upper unit
The integrally welded cathode exit for being connected into integrated positive exit and next unit becomes one by welding again
Body realizes the series connection of adjacent cells lattice), but there are another inherent critical defects: pole between different units lattice
It easily alters liquid or gas blowby (alters liquid and refers to electrical communication between different battery cells, cause short circuit between single lattice;Gas blowby refers to a certain single lattice
Gas, espespecially positive oxygen should be combined to lead oxide in cathode and lead sponge, and then lead oxide and sulfuric acid reaction generate sulphur
Lead plumbate, lead sulfate, which recharges, is reduced into lead, so as to avoid the forfeiture of the single lattice water, but if not being fully sealed between single lattice,
The oxygen that then single lattice generates can then channel to adjacent single lattice, so that the dehydration of the single lattice is caused, meanwhile, also cause adjacent single lattice negative
Pole electric discharge;The adjoint fever of both of which, and every 10 degree of the raising of temperature, grid corrosion will increase one times), cause battery to be put certainly
Electricity increases, galvanized wire corrosion aggravation, consistency is poor in groups, seriously affects battery, and greatly influence battery uses the longevity
Life, this is also the primary factor of limit levels lead-acid battery application.
To alter liquid or gas blowby between suppression level lead-acid battery cells lattice, the sealing between cell must be just solved
Problem, and it is the higher scheme of feasibility that separator (or being sealing element, separator, insulation) is arranged between cell.
CN104160526A discloses a kind of rectangle electrochemical storage devices in embodiment, passes through liner+gasket+potting compound shape
The isolation barrier to insulate at ion;CN103208633A discloses a kind of horizon battery, is equipped with electrolyte between barrier battery electrode group
The separator of circulation, the separator are the connection frame of plastic being arranged between the positive plate of stacking and negative plate, connect plastics
Frame and plastic grid frame are melted together by ultrasonic bonding;CN107305966A discloses a kind of modularization multi-cell
Battery is completely cut off by an isolation substance between each unit lattice, and the side of pressure frame and each unit boundary of bottom surface are set
It is equipped with aperture or groove, forms sealing for injecting the isolation substance;It is horizontal that CN107026287A discloses a kind of plumbic acid
The production method of battery is sealed by the cooperation of next door, sealing element, filler, and the filling of multiple sealing elements is empty up and down
It is sequentially communicated to form filling channel.
Although above-mentioned several patents are proposed the technology that separator is arranged between cell (being equivalent to battery electrode group)
Scheme, still, since the galvanized wire between bipolar plates is thin and intensive, sealing is extremely difficult, and is designed by aperture or notch
The scheme of filling filler is very difficult to control again, and filler can be flowed by hole or notch to all directions, is unable to control it
Ideal isolation barrier only is formed in vertical direction, cannot achieve excessively filling.Meanwhile how by separator and battery
Other structures be assembled together well, and reach seal request, be still HORIZON~○ C~2M battery realize industrialized production and
One of key factor of application.
[summary of the invention]
The present invention provides a kind of HORIZON~○ C~2M battery, can be realized the sealing between HORIZON~○ C~2M battery cell, solves
Liquid or gas blowby problem are altered between HORIZON~○ C~2M battery cell.
Technical solution of the invention is as follows:
A kind of HORIZON~○ C~2M battery, including battery case and it is set to the intracorporal one or more battery pole of battery case
Group, the battery electrode group include anode sub-pole plate, several quasi- double polarity plates of stacking placement, negative terminal sub-pole plate and are set to
Diaphragm between positive/negative plate, described quasi- double polarity plate one end is coated with positive active material, the other end is coated with negative electrode active material
Matter, intermediate there are one section of exposed galvanized wires for positive/negative plate electrical connection, which is characterized in that sets between the adjacent cell pole group
Be equipped with for galvanized wire perpendicular through and the different battery electrode groups of isolation between liquid and/or gas flowing isolation barrier, the isolation
The gap filling that barrier intersects with the galvanized wire has sealing medium;The position that the battery case intersects with the isolation barrier is set
It is equipped with the ring-like glue groove around the isolation barrier surrounding, the glue groove is filled with for sealing the battery case and institute
State the sealing medium in the gap of isolation barrier.It solves to alter liquid gas-blowing phenomenon between HORIZON~○ C~2M battery different units lattice, just
Complete sealing, isolation liquids and gases flowing are realized to unit grid space, the technical program makes galvanized wire pass through isolation barrier,
And filled in the place of intersection with sealing medium, and be also provided with special construction portion accommodating sealing medium in the surrounding of isolation barrier,
Sealing is filled into gap between isolation barrier and shell, in this way, cell is achieved that complete sealing.Sealing medium is with molten
It is not cracked between shell and galvanized wire after putting low, solidification or the insulating materials in gap is advisable, such as epoxy glue or hot melt plastic
Material or paraffin, etc..
13, further, above-mentioned battery case is to be assembled by isolated bottom plate, side plate, top cover.Isolation barrier and shell
Annular glue groove is arranged in seal request battery case between body, still, existing monoblock type battery case in mold injection,
Mold must be extracted when demoulding, the presence of pattern draft makes integral battery shell that can not manufacture the appearance glue for meeting required precision
Slot, and be arranged to isolated battery case, then the influence of the pattern draft of manufacture groove is eliminated, and can be set and meet precision
It is required that other structures, also increase the design space of battery case, be such as able to bear the stacking pressure of increasing without battery
Additional assembling pressure frame, is also beneficial to battery light-weight design.
Further, the two sides of each battery electrode group are provided at least one isolation barrier and surrounding sealing
Medium.It solves to alter liquid gas blowby between different units lattice, an isolation barrier need to be only set between cell;And it is each
The two sides of unit are respectively provided with isolation barrier, the cell at head and the tail both ends can be sealed, can make the weldering with external connection in this way
Point is spatially separating with acid is held, and can further decrease corrosion, reduces battery component seal request, such as end cap and battery case and upper cover
It need to guarantee welding or adhesive strength, to leakproofness then no requirement (NR);Cell and centre alternatively, it is also possible to guarantee head and the tail both ends is single
First sour volume of lattice appearance is identical, to improve the consistency between single battery.
Further, further include be set to except the isolation barrier, there are the remittances that space is isolated with cell electrolyte
Stream row.Isolation barrier is set between busbar connector and the sour space of appearance, it is possible to reduce the corrosion of busbar connector is conducive to improve battery life
And performance.
Further, above-mentioned side plate is provided with negative electrode active material accommodation groove on the extending direction of every piece of negative plate, should
Negative electrode active material accommodation groove is mutually separated with any positive plate.The accommodation groove can be the negative electrode active material of expansion in negative plate
Extending direction certain accommodating space is provided, under the stacking pressure of battery case, the negative electrode active material of expansion can be preferred
To two side directions extend, without the edge slot along pole plate climb so that with positive plate contact short circuit, to improve battery
Comprehensive performance and service life.
Further, above-mentioned side plate and the top cover are fastened by screw or hot melt or dovetail self-locking.The structure was both
Sealing container can be formed, certain stacking pressure is also able to bear, additional pressure frame is not needed and inside battery is allowed to deposit
In biggish stacking pressure, is conducive to simplify assembling, mitigates battery gross weight.
Further, above-mentioned isolation barrier is to be composed of several elastic bar shaped structural arrangements, and the galvanized wire is clipped in
Under linked into an integrated entity between adjacent strip structure by way of gluing or hot melt or ultrasound.Strip structure refers to that length is bright
The aobvious shape greater than width is not limited to regular cuboid, such as there is certain radian to also belong to above-mentioned strip structure for side.
Further, the spacing between the height of above-mentioned strip structure and HORIZON~○ C~2M battery upper and lower level galvanized wire is suitable, institute
It states strip structure and is provided with longitudinal groove for accommodating packaging plastic along at least one end of short transverse;Size quite refers to ruler
It is very little almost the same, i.e., it is identical in allowable range of error.Because strip structure has certain elasticity, galvanized wire is not damaged
Wound, under certain stacking pressure, the isolation barrier being made of multiple elasticity just becomes between HORIZON~○ C~2M battery cell
Sealing the first line of defence, while can reserve channel filling sealing medium completely sealed;Along the two of short transverse
End is the top and bottom of strip structure, and groove is arranged in the top and bottom of strip structure, injects liquid in an assembling process
State sealing medium fills reserved and potential gap using its mobility and cementability, can be realized simultaneously sealing after solidification
And bonding.
Further, above-mentioned longitudinal groove is penetrated through to the glue groove of battery case corresponding position.That is, the groove is set
It is set to through slot, in this way when pouring in liquid packaging plastic, can excessively guarantee to be completely filled with channel, extra liquid envelope in right amount
Dress glue can be flowed out in the gap with battery case by the opening of side, and the bubble in structure can also be made to be open by side
Discharge improves seal isolation effect.
Further, above-mentioned physical barriers are the bilayer or multilayer wall with sandwich cavity, and the wall is logical in galvanized wire
The position crossed is provided with aperture or fluting.The setting of physical barriers can there are many, as long as can be lossless by, gap for galvanized wire
It can seal.
Further, above-mentioned side plate corresponds to each cell bottom and is equipped with acid filling hole, and correspondence is each at the top of the top cover
Cell is equipped with gas bleeder valve mounting hole, and not only safety is higher for such setting, decreases the influence of air pressure, is more suitable for grasping
Make.
Further, the sealing of perforation each unit lattice is formed after above-mentioned side plate and the top cover are self-locking in two sides contact surface
Glue groove.Sealant is filled up in the sealed adhesive slot of formation, it being capable of further lift-off seal effect.
Beneficial effects of the present invention are as follows:
1) present invention utilizes isolation barrier and sealing medium, and galvanized wire intensive between HORIZON~○ C~2M battery pole plate can be made lossless
Pass through, and the small gap around galvanized wire is also well sealed, the sealing being able to achieve between HORIZON~○ C~2M battery cell, it is ideal
Ground solves the problems, such as to alter liquid or gas blowby between HORIZON~○ C~2M battery cell, reduces the self discharge of HORIZON~○ C~2M battery, drop
The low corrosion of galvanized wire improves battery consistency in groups, greatly influences the service performance and cycle life of battery;
2) present invention utilizes separate case, solves integral housing since the limitation of manufacture craft can not manufacture satisfaction
The problem of glue groove of required precision, can cooperate well sealing with isolation barrier, and manufacturing process is simple, design space
Greatly, can reorder bit architecture and glue injection channel, and the fastening method of top cover and side plate is able to bear the certain assembling of battery component again
Pressure can save pressure frame component in existing structure, be conducive to battery lightweight, and the assembly method of battery is also cleverer
It is living;
3) present invention employs independent side plate, the design freedom of side plate becomes larger, can be in side plate inner wall and negative plate
Negative electrode active material accommodation groove is arranged in corresponding position, provides one in the extending direction of negative plate for the negative electrode active material of expansion
Fixed accommodating space, under the stacking pressure of battery case, the negative electrode active material of expansion can preferably extend to two side directions, and
Will not climb along the edge slot of pole plate so with positive plate contact short circuit, to improve the comprehensive performance of battery and using the longevity
Life;
4) different units lattice of the present invention are fully sealed, and allow busbar connector and the sour space phase point of appearance existing for electrolyte
From can substantially reduce the corrosion of busbar connector, extend battery;
5) isolation barrier of the invention is ingenious in design, not only allowed galvanized wire by but also galvanized wire will not be caused to damage, and gap
It is less big, it can use sealing medium and be filled up completely sealing, and the design of the different structure by isolation barrier, or even be equivalent to
Multilayer isolation effect, sealing effect are very reliable.
[Detailed description of the invention]
Fig. 1 is the battery schematic diagram of traditional HORIZON~○ C~2M battery;
Fig. 2 is the decomposition diagram of the HORIZON~○ C~2M battery of embodiment one (sealing medium is not drawn into);
Fig. 3 is the top view of the strip structure of embodiment one, side view, (leftmost side is A-A to cuing open for bottom view and sectional view
View, the rightmost side are right side view, and intermediate three figures are followed successively by top view, front view or rearview, bottom view from top to bottom, under
Together);
Fig. 4 is the battery assembling schematic diagram of embodiment one;
Fig. 5 is the enlarged drawing of part M;
Fig. 6 is the schematic diagram of the side plate inner wall of embodiment one;
Fig. 7 is the top view of the side plate of embodiment one;
Fig. 8 is the sectional view along A-A of the side plate of embodiment one;
Fig. 9 is the schematic diagram of the plate inner wall of embodiment one;
Figure 10 is the schematic diagram of the top cover of embodiment one;
Figure 11 is the sectional side view of the top cover of embodiment one;
Figure 12 is the top cover of embodiment one and the combination diagram of side plate;
Figure 13 is the schematic diagram of the strip structure of embodiment two;
Figure 14 is the schematic diagram of the strip structure of embodiment three;
Figure 15 is the schematic diagram of the rubber strip of example IV;
Figure 16 is the schematic diagram of the side plate of embodiment five;
Figure 17 is the side plate of embodiment six and the schematic diagram of top cover;
Figure 18 is the schematic diagram of the isolation barrier of embodiment seven.
[specific embodiment]
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact
Apply example.Direction description in the present invention be using plane where pole plate as horizontal plane, using plane is benchmark face where battery bottom case, institute
The length direction for longitudinally, laterally, vertically corresponding respectively to a certain stereochemical structure stated;Galvanized wire as described herein may be
Alloy galvanized wire or complex lead wire and other effects are equal to the conducting wire of galvanized wire.Strip structure refers to that length is significantly greater than the shape of width
Shape is not limited to regular cuboid, such as there is certain radian to also belong to above-mentioned strip structure for side.Final sealing medium
Shape is to be determined by the space of accommodating sealing medium, therefore do not show sealing medium in the diagram.Size quite refers to
Size is almost the same, i.e., identical in allowable range of error.Upper and lower, left and right, top, side, two sides refer to attached drawing for ginseng
According to relative bearing description, and non-limiting absolute position.
The battery schematic diagram of conventional flat lead-acid battery in the prior art is as shown in Figure 1, i.e. in the painting on one side of grid
Covering positive electrode active material is positive plate 1, and it is negative plate 2 that another side, which coats negative electrode active material,;Positive plate 1 and negative plate 2 with diaphragm 3 every
It opens, is horizontally staggered and stacks according to certain position;The exposed conducting wire of grid is galvanized wire 5, plays the role of transmitting electric current;Fig. 1
For three groups of battery electrode groups, it is equivalent to three battery unit lattice 4;Battery head and end is positive terminal pole plate and negative terminal sub-pole plate,
Anode sub-pole plate is only coated with positive active material on one side, cathode output end of the another side as battery, and negative terminal sub-pole plate
It is only coated with negative electrode active material, cathode output end of the another side as battery on one side.
HORIZON~○ C~2M battery of the invention is highly suitable for multiple groups battery electrode group because of the excellent sealing of cell
Battery can also be placed in any direction, and be not limited to be horizontally arranged;If excessive using linear structure occupied space,
Battery electrode group Combination Design or so U-typed structure and upper and lower U-typed structure can be passed through the structure similar with side plate or bottom plate
It is separated as partition, adjusts its spatial volume.For upper and lower U-typed structure, aforementioned barriers are horizontal direction setting, the side
Plate is provided with the positioning region with the horizontal positioned partition secure fit, and the upper surface of partition and the inner surface of bottom plate are identical,
The lower surface of partition and the inner surface of top cover are identical.For left and right U-typed structure, the partition is vertically to setting, the bottom
Plate and top cover are provided with the positioning region with the partition secure fit being disposed vertically, the left side of partition and the interior table of right side plate
Face is identical, and right side is identical as the inner surface of left plate.
Embodiment provided below is not intended to limit the invention covered range, and described step is also not use
Sequence is executed to limit its, described direction is only limitted to attached drawing.Those skilled in the art combine existing common knowledge to this hair
It is bright to do conspicuous improvement, also fall into the present invention claims protection scope within.
Embodiment one
A kind of HORIZON~○ C~2M battery, the decomposition diagram of primary structure is as shown in Fig. 2, include battery case and setting
In the intracorporal multiple battery electrode groups of battery case, the battery electrode group includes several quasi- bipolaritys of anode sub-pole plate, stacking placement
Pole plate, negative terminal sub-pole plate are referred to as pole plate 6 and not distinguish in the present embodiment;Be provided between positive/negative plate for inhale acid with
And the diaphragm of isolation positive/negative plate, described quasi- double polarity plate one end is coated with positive active material, the other end is coated with negative electrode active
It is substance, intermediate there are one section of exposed galvanized wire 5 for positive/negative plate electrical connection, structure between two adjacent column galvanized wires 5 we
The battery of a referred to as cell, Fig. 1 and Fig. 2 are illustrated by taking three cells as an example.
In the present embodiment, be provided between adjacent cells lattice for galvanized wire 5 perpendicular through and the different battery electrode groups of isolation between
Liquid and/or gas flowing isolation barrier, the isolation barrier by 7 permutation and combination of elastic strip structure of several rubber material and
At the spacing between the height and HORIZON~○ C~2M battery upper and lower level galvanized wire of each strip structure 7 is suitable;The upper end of strip structure 7
A perforation is provided with to the longitudinal groove 701 of two sides, bottom end is plane, as shown in Figure 3;It can be accommodated in longitudinal groove 701
The sealing mediums such as epoxy glue, galvanized wire 5 are clipped in the Wear Characteristics of Epoxy Adhesive filled between neighbouring strip structure by longitudinal groove 701
It connects and links into an integrated entity, such as Fig. 4 and Fig. 5.Because strip structure 701 has certain elasticity, galvanized wire 5 is not damaged;?
Under certain stacking pressure, it can be in close contact by multiple elastic strip structures 7, exist substantially without hole, just become water
The first line of defence of sealing between flat lead-acid battery cells lattice, while sealing medium, Ke Yibao can be filled with longitudinal groove 701
Any hole is not present in card, so that sealing is completely reliable;The perforation of longitudinal groove 701 to two sides form aperture, both can be in injecting glue
When gas is discharged, injecting glue process can also be moved back, after finishing assembly unify injecting glue.
14, in order to which isolation barrier to be loaded in battery case, and the position intersected with battery case forms sealing, this implementation
The battery case of example is set as separate type, is assembled by individual side plate 110, bottom plate 120 and top cover 130.Fig. 6~8 are
The schematic diagram of side plate, Fig. 9 are the schematic diagram of bottom plate, and Figure 10~11 are the schematic diagram of top cover, and Figure 11 is what side plate was combined with top cover
Schematic diagram.The medial surface of both side plate 110, bottom plate 120 and top cover 130 is provided with injecting glue slot, is formed after combination around isolation
The annular glue groove for being used to accommodate sealant of part surrounding.Positioning surface 111 is arranged in side plate 110, and the bottom plate is provided with locating slot
121, positioning surface 111 and the cooperation of locating slot 121 make side plate 110 bond together with bottom plate 120.The knot of side plate 110 and bottom plate 120
The location fit of preferred face and slot is closed, positioning surface can be set to bottom plate, locating slot is set to side plate.The edge of top cover 130
It is provided with forked tail platform 131, the position corresponding with forked tail platform 131 of both side plate 110 is provided with dovetail groove 113, and the two mutual cooperation can
So that side plate 110 and the self-locking fixation of top cover 130, in two sides contact surface the sealed adhesive slot of perforation each unit lattice is formed after self-locking.
The structure can form sealing container, also be able to bear certain stacking pressure, do not need additional pressure frame and allow electricity
There are biggish stacking pressure inside pond, is conducive to simplify assembling, mitigates battery gross weight.
The gas bleeder valve 133 of battery is set on top cover 130, for battery to be discharged in extra gas, for safety, each
The cell (corresponding to every group of battery electrode group) of sealing should all be provided with a gas bleeder valve.Fit clearance between top cover and side plate
134 pass through epoxy glue seal;Likewise, the fit clearance between side plate and bottom plate is also by epoxy glue seal.Injecting glue slot 112
Shape can not be defined, and can be realized the function of accommodating sealing medium;But in order to further position, form injecting glue
Two seamed edges 115 of slot 112 are preferably slightly above plate level, to facilitate while realize positioning and injecting glue function.
It is respectively provided with isolation barrier in the two sides of each cell, the cell at head and the tail both ends can be sealed, it in this way can be with
It is spatially separating busbar connector 9 with acid is held, corrosion can be further decreased or even end cap 11 is all not required herein.Busbar connector 9 with
Hold and isolation barrier is set between sour space, it is possible to reduce the corrosion of busbar connector is conducive to improve battery life and performance.
The assembling of the present embodiment HORIZON~○ C~2M battery can first assembled battery core: on bottom plate 120, assembling one layer of bar shaped knot
Structure 7 assembles one layer of diaphragm 3 and pole plate 6, the injecting glue in the longitudinal groove 701 of 7 upper end of strip structure, then assembles one layer of separator
7, then one layer of diaphragm 3 and pole plate 6 are assembled, circulation places the setting number of plies, and both side plate 110 is assembled, injects epoxy glue in injecting glue slot,
Adhering and sealing is packed into battery case under certain assembling pressure, top cover 130 and the assembly of side plate 110 is fastened, then glue, Gu
Change sealing medium, then assemble busbar connector, terminal, end cap and upper cover, completing assembling, (this is simplified assembling process, and details is matched
Being assembled without for part is included).
Embodiment two
Embodiment two and embodiment one the difference is that, this described strip structure 7 is provided with one in upper end and is used for
The groove of packaging plastic is accommodated, but and is not penetrated to the left and right sides;In lower end, there are two parallel, the narrow accommodatings that is dissolved in encapsulate for setting
The groove of glue is simultaneously penetrated through to the left and right sides, forms opening, as shown in figure 12.Under certain stacking pressure, which forms recessed
The wall of slot, which is equivalent to, can form multilayer dividing wall, and seal isolation effect is more preferable.
Embodiment three
The present embodiment and embodiment one the difference is that, the strip structure 7 is provided with three in top and bottom
A for accommodating the symmetrical groove of packaging plastic, the groove is penetrated through to the left and right sides, forms opening, as shown in figure 13.Arranged side by side
The width of three groove intermediate grooves is larger, and the recess width of two sides is relatively narrow;Such width being arranged according to a certain percentage is not
Same groove can be added excessive packaging plastic in intermediate groove, form tight, nothing after guaranteeing the sealing glue solidifying of intermediate groove
The isolation effect of crackle, extra glue can be extruded the narrow groove for flowing to two sides, and there are the spaces of certain extra glue of accommodating, together
When also correspond to be formed multilayer isolation effect, realize and preferably seal off effect between cell.
The assembling of the present embodiment HORIZON~○ C~2M battery can first assembled battery core: one layer of strip structure 7 of assembling assembles one layer
Diaphragm 3 and pole plate 6, the injecting glue in the longitudinal groove 701 of 7 upper end of strip structure, solidification form single layer battery;It then will be more
Layer battery and bottom plate 120 position welding, then assemble both side plate 110, and sealant, adhering and sealing, one are injected in injecting glue slot
It is packed into battery case under fixed assembling pressure, top cover 130 and the assembly of side plate 110 is fastened, then glue, is solidified sealing medium, connect
Assembling busbar connector, terminal, end cap and upper cover, complete assembling.
Example IV
The present embodiment and embodiment one the difference is that, the isolation barrier of the battery is made of two layers of wall, two layers
Cavity is formed between close wall, is filled with sealing medium in cavity, such as colloid or plastics, can be allowed to solidify by heating,
Play sealing and bonding effect;Every layer of wall is arranged by several rubber strips 402, and such as Figure 15, galvanized wire is from upper and lower two rubbers
It is passed through between adhesive tape.
The assembling of the present embodiment HORIZON~○ C~2M battery can first assembled battery core: on bottom plate, assembling one layer of strip structure
402, one layer of diaphragm 3 and pole plate 6 are assembled, then assemble one layer of separator 7, then assemble one layer of diaphragm 3 and pole plate 6, passes through galvanized wire 5
Between upper and lower two strip structures 402, circulation places the setting number of plies, assembles both side plate 110, injects epoxy glue in injecting glue slot,
So that its flowing is filled the cavity between full two layers of wall, battery case is packed under certain assembling pressure, by top cover 130 and side
The assembly fastening of plate 110 injects sealing medium by hole for injecting glue, and solidification then assembles busbar connector, terminal, end cap and upper cover, completes
It assembles (this is simplified assembling process, and being assembled without for details accessory is included).
Embodiment five
Embodiment five and embodiment one the difference is that, side plate 510 is provided with for Nian Jie or welding with bottom plate
Positioning surface 513, the bottom plate are provided with the locating slot for cooperating the positioning surface, side plate 510 and bottom plate by positioning surface 513 and determine
The bonding of position slot or welding formation are sealedly and fixedly connected.It is living that side plate 510 is provided with cathode on the extending direction of every piece of negative plate
Property substance accommodation groove 513, such as Figure 16, which separates with any positive plate, that is to say, that the appearance
It sets slot 513 and is not contacted with any positive plate.The accommodation groove 513 can be extension of the negative electrode active material in negative plate of expansion
Direction provides certain accommodating space, and under the stacking pressure of battery case, the negative electrode active material of expansion can be preferably to two sides
Direction extend, without the edge slot along pole plate climb so that with positive plate contact short circuit, to improve the synthesis of battery
Performance and used life.It is subject to and illustrates direction, the height T of negative electrode active material accommodation groove 513 is generally than the thickness of negative plate
Big 0.5~2mm, length is suitable with the length of negative plate, and groove depth d is 0.5~5mm.
Embodiment six
With embodiment one the difference is that, the combination of the side plate and top cover of embodiment three be not by forked tail platform, and
It is by pin or screw, as shown in figure 17.Side plate 310 is provided with nail hole 316, the corresponding position in the edge of top cover 330
Hole is set, and the two passes through pin or the cooperation fastening of screw 360.Exhaust valve 333 is set on top cover 330, top cover 330 with
The fit clearance 334 of side plate 310 is sealed by sealant;Likewise, the fit clearance between side plate 310 and bottom plate 320 is also led to
Cross sealant sealing.
Embodiment seven
Embodiment seven and embodiment one the difference is that, the isolation barrier of the battery is an integral molding structure, top
There are several connection straps to fix with bottom, two walls erect is made to form fixed spacing, as shown in figure 18, the inside of divider wall
It is provided with cavity, curable fluid is filled in cavity, such as colloid or plastics, can be allowed to solidify by heating, play sealing
And bonding effect.Isolation barrier is additionally provided with the corresponding slit passed through for galvanized wire.
Technical effect compares:
1 horizon battery self discharge of table and cycle life
Claims (12)
1. a kind of HORIZON~○ C~2M battery, including battery case and it is set to the intracorporal one or more battery pole group of battery case,
The battery electrode group includes anode sub-pole plate, several quasi- double polarity plates of stacking placement, negative terminal sub-pole plate, electrolyte and sets
The diaphragm being placed between positive/negative plate, it is living that described quasi- double polarity plate one end is coated with positive active material, the other end is coated with cathode
Property substance, intermediate there are one section of exposed galvanized wire for positive/negative plate electrical connection, form a list between the adjacent galvanized wire of two column
First lattice, which is characterized in that be provided between the adjacent cells lattice for galvanized wire perpendicular through and isolation different units lattice liquid and/
Or the isolation barrier of gas flowing, the gap filling that the isolation barrier intersects with the galvanized wire have sealing medium;The battery
The position that shell intersects with the isolation barrier is provided with the ring-like glue groove around the isolation barrier surrounding, the glue groove
Sealing medium filled with the gap for sealing the battery case and the isolation barrier.
2. HORIZON~○ C~2M battery according to claim 1, which is characterized in that the battery case be by isolated bottom plate,
Side plate, top cover assemble.
3. HORIZON~○ C~2M battery according to claim 1, which is characterized in that the two sides of each cell are provided with
At least one isolation barrier and surrounding sealing medium.
4. HORIZON~○ C~2M battery according to claim 3, which is characterized in that further include be set to the isolation barrier it
Outside, there are the busbar connectors that space is isolated with cell electrolyte.
5. HORIZON~○ C~2M battery according to claim 2, which is characterized in that the side plate is in the extension side of every piece of negative plate
Negative electrode active material accommodation groove is set up, which mutually separates with any positive plate.
6. HORIZON~○ C~2M battery according to claim 2, which is characterized in that the side plate and the top cover by screw or
Person's hot melt or dovetail self-locking fastening.
7. HORIZON~○ C~2M battery according to claim 1, which is characterized in that the isolation barrier is by several elastic bar shapeds
Structural arrangement is composed, and the galvanized wire is clipped between neighbouring strip structure by way of gluing or hot melt or ultrasound
It links into an integrated entity.
8. HORIZON~○ C~2M battery according to claim 7, which is characterized in that the height and level and lead acid of the strip structure
Spacing between battery upper and lower level galvanized wire is suitable, and the strip structure is provided with along the both ends of short transverse for accommodating encapsulation
The longitudinal groove of glue.
9. HORIZON~○ C~2M battery according to claim 8, which is characterized in that the longitudinal groove is penetrated through to battery case pair
Answer the glue groove of position.
10. HORIZON~○ C~2M battery according to claim 1, which is characterized in that the physical barriers are with sandwich cavity
Bilayer or multilayer wall, the wall is provided with aperture or fluting in the position that galvanized wire passes through.
11. HORIZON~○ C~2M battery according to claim 2, which is characterized in that the side plate corresponds to each cell bottom
It is equipped with acid filling hole, corresponding each cell is equipped with gas bleeder valve mounting hole at the top of the top cover.
12. HORIZON~○ C~2M battery according to claim 6, which is characterized in that the side plate and the top cover it is self-locking after
Two sides contact surface forms the sealed adhesive slot of perforation each unit lattice.
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CN109888297A (en) * | 2019-03-14 | 2019-06-14 | 肇庆中特能科技投资有限公司 | A kind of battery stacked with bipolar plates and its manufactured battery |
CN112018273A (en) * | 2019-05-28 | 2020-12-01 | 浙江图兰特储能科技有限公司 | Self-locking horizontal lead-acid battery shell, horizontal lead-acid battery comprising shell and assembling method of horizontal lead-acid battery |
CN113314725A (en) * | 2021-07-30 | 2021-08-27 | 武汉众宇动力系统科技有限公司 | Fuel cell bipolar plate and bonding method thereof |
CN114361681A (en) * | 2020-09-28 | 2022-04-15 | 易德维能源科技(江苏)有限公司 | Method for manufacturing bipolar horizontal battery and bipolar horizontal battery |
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