CN103531852B - A kind of bipolar lead-acid accumulator - Google Patents
A kind of bipolar lead-acid accumulator Download PDFInfo
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- CN103531852B CN103531852B CN201310511690.2A CN201310511690A CN103531852B CN 103531852 B CN103531852 B CN 103531852B CN 201310511690 A CN201310511690 A CN 201310511690A CN 103531852 B CN103531852 B CN 103531852B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
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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
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
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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
- H01M10/06—Lead-acid accumulators
- H01M10/18—Lead-acid accumulators 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a kind of bipolar lead-acid accumulator, the double polarity plate comprising positive ends electrode, negative polarity termination electrode and be located between positive ends electrode, negative polarity termination electrode; Described positive ends electrode is equipped with positive polarity pole plate, and negative polarity termination electrode is equipped with negative polarity pole plate; Double polarity plate is equipped with negative-pole electrode at positive ends electrode opposite side, at negative polarity termination electrode opposite side, straight polarity electrode is housed; The hard board partition of absorption electrolyte is respectively provided with between described positive ends electrode and the negative-pole electrode of described double polarity plate, between the straight polarity electrode and described negative polarity termination electrode of double polarity plate, respectively air chamber is provided with at the top of each hard board partition, respectively safety valve is provided with at the top of each air chamber, safety valve upper end is provided with cover plate, the steam vent of each air chamber described is in shifting to install, air chamber is carried out independent setting, each air chamber is respectively provided with safety valve, and the pressure that the expansion of any one compartment and contraction produce can't affect other compartments.
Description
Technical field
The present invention relates to bipolar lead acid field of batteries, particularly relate to a kind of bipolar lead-acid accumulator.
Background technology
In recent years, in order to protection of the environment reduces CO2 emission.It is quite burning hot that the exploitation of new forms of energy are done, particularly in automobile industry, high performance secondary cell is current technical bottleneck, through this several years facts have proved, lithium ion battery, because of the problem of its structure and material, the discharge and recharge of big current cannot be carried out, impel safety also cannot be protected, it seems from present circumstances, bipolar lead-acid accumulator is that automobile Best of Breed selects battery, but the direction of expert's research and development is both at home and abroad different, so far a ripe bipolar lead-acid accumulator is not developed, such as Chinese patent ZL200920112517.4 discloses a kind of bipolar lead-acid accumulator, comprise positive terminal sub-pieces by drawing in housing and negative pole end sub-pieces and be provided with the sealed cell lid of unidirectional valve, its bipolar plates adopts carbon fibre substrate, housing cavity has been divided into compartment many by bipolar plates, the sealed cell lid of its unidirectional valve only arranges one, inner plenum communicates, the design of this bipolar lead-acid accumulator wouldn't go to discuss whether industry can carry out volume production, its obvious defect is: 1, by positive terminal sub-pieces and negative pole end sub-pieces extraction electrode, the weld of terminal plate and electrode be battery current must through point, therefore when big current, it is overheated that this pad the most easily occurs, cause the wire melting of pad, although the material of 2 openly electrodes, because electrode needs to be coated with lead plaster, according to existing mentality of designing, the application material of electrode must adopt lead alloy, because lead alloy possesses certain rigidity, not yielding, is easily coated with lead plaster, 3, this design adopts air chamber to share a unidirectional valve, and the air pressure of each compartment air chamber carries out average, but due to its coefficient of expansion of different compartments different, therefore easily occur that one of them compartment has exceeded the limit, and the situation that unidirectional valve is not yet opened, in addition according to the production procedure of reality, according to this project organization in generative process acid adding, easily produce short-circuit conditions, its defect rate is high.Patent publication No. CN103151566 discloses an ambipolar high-power lead storage battery, in order to solve the problem of acid adding, any one is equipped with a back taper groove on another frame in ambipolar in this design, plastic septum between two back taper grooves hollows out and forms a reverse taper hole for mounting safety valve with two back taper slot fit, adjacent two safety valves are for shifting to install, although this design solves the problem of acid adding to a certain extent, but the object due to its design only solves the problem of acid adding, the bipolar lead acid battery of this Patent design does not arrange air chamber, the setting of this safety valve is to prevent internal liquid from leaking outside, therefore safety valve arrange more firm, can find out from Fig. 1 and 2 of this patent, can find out from the sectional view of Fig. 2 especially, second, 4th and the 6th porous barrier upper end arrange plastic septum and more can infer, the object arranging back taper groove is the problem in order to solve acid adding, owing to being the effect in order to acid adding, this size just determining cone tank is not too large, although above-mentioned defect is embodied in structure disclosed in this patent, in fact, more or less there is one or several defect above-mentioned in existing bipolar lead-acid accumulator.
Summary of the invention
For above-mentioned technological deficiency, the present invention proposes a kind of high-effect, the dynamical bipolar lead-acid accumulator of the one that specific energy is high.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of bipolar lead-acid accumulator, the double polarity plate comprising positive ends electrode, negative polarity termination electrode and be located between described positive ends electrode, negative polarity termination electrode; Described positive ends electrode is equipped with positive polarity pole plate, and described negative polarity termination electrode is equipped with negative polarity pole plate; Described double polarity plate is equipped with negative-pole electrode at positive ends electrode opposite side, at described negative polarity termination electrode opposite side, straight polarity electrode is housed; The hard board partition of absorption electrolyte is respectively provided with between described positive ends electrode and the negative-pole electrode of described double polarity plate, between the straight polarity electrode and described negative polarity termination electrode of described double polarity plate, respectively air chamber is provided with at the top of each hard board partition described, respectively safety valve is provided with at the top of each air chamber, described safety valve upper end is provided with cover plate, and the steam vent of each air chamber described is in shifting to install.
A kind of bipolar lead-acid accumulator, comprise positive ends electrode, negative polarity termination electrode and be located at and be provided with at least one piece of double polarity plate between described positive ends electrode, negative polarity termination electrode, described positive ends electrode dress positive polarity pole plate, described negative polarity termination electrode dress negative polarity pole plate, negative-pole electrode is equipped with in described double polarity plate side, opposite side is equipped with straight polarity electrode, described double polarity plate is arranged according to the contrary setting principle of polarity, battery components is divided into independently battery chamber by described double polarity plate, the hard board partition of absorption electrolyte is set between the straight polarity electrode in each battery chamber and negative pole polar electric pole, at the top of hard board partition, air chamber is set, respectively safety valve is provided with at the top of air chamber, described safety valve upper end is provided with cover plate, the contrary setting principle of described polarity is: positive polarity pole electrode is housed negative-pole electrode corresponding setting is mutually housed, the steam vent of each air chamber described is in shifting to install.
Further, the air chamber of each battery chamber described is isolated mutually.
Further, described straight polarity electrode or negative-pole electrode comprise electrode copper sheet and electrode lead flake, described electrode copper sheet is close to described electrode lead flake side, the bottom level alignment of the bottom of described electrode copper sheet and described electrode lead flake, and the top of described electrode copper sheet is as the link of external load; The electrode lead flake opposite side dress positive polarity pole plate of described straight polarity electrode, the electrode lead flake opposite side dress negative polarity pole plate of described negative-pole electrode.
Further, described cover plate comprises described straight polarity electrode and described negative-pole electrode, between described straight polarity electrode and described cover plate, between described negative-pole electrode and described cover plate, be respectively provided with insulating barrier.
Further, electrode lead flake side is bonded with plastic pad, and described plastic pad comprises plastic grid and is attached to the lead plaster on plastic grid, the grid cloth that described plastic grid comprises plastic frame and surrounded by plastic frame.
Further, described double polarity plate comprises middle conduction stereotype and is bonded in positive pole plastic pad and the negative pole plastic pad of conduction stereotype side, this centre respectively, described plastic pad comprises plastic grid and is attached to the lead plaster on plastic grid, the grid cloth that described plastic grid comprises plastic frame and surrounded by plastic frame, described positive pole plastic pad is that plastic grid adheres to anode diachylon, and described negative pole plastic pad is that plastic grid adheres to cathode lead plaster.
Further, described electrode copper sheet tin welding is on described electrode lead flake, and the material of described tin welding is slicker solder eutectic.
Further, described cover plate is fixed on described insulating barrier by fixed screw, and described fixed screw adopts primary screw, and arrangement closely.
Beneficial effect of the present invention is: air chamber is carried out independent setting, each air chamber is respectively provided with safety valve, the pressure that the expansion of any one compartment and contraction produce can't affect other compartments, and the thickness limits of double polarity plate compared to existing technology, cause the hard board partition adsorbing electrolyte thinner, air chamber cannot be designed separately, and the hard board partition of absorption electrolyte of the present invention is thicker, because of for convenience of isolating air chamber, also facilitate each air chamber that safety valve is set, what the steam vent of air chamber carried out shifts to install, in process of manufacture, the step of its acid adding is also easy, improve the qualification rate of whole product, pole plate does not adopt rigidity lead alloy, and the pure stereotype adopting quality more soft, (traditional viewpoint design concept is to change traditional design viewpoint, owing to being coated with the needs of lead plaster, adopt flexible material cannot be applied in the generative process being coated with lead plaster, smear evenly to make lead plaster, therefore the material that quality is harder must be adopted), design of the present invention, achieve the object pure stereotype being applied to bipolar lead-acid accumulator.
Accompanying drawing explanation
Fig. 1 is the structure chart of one group of bipolar lead-acid accumulator;
Fig. 2 is a kind of embodiment that the fixed screw between cover plate of the present invention and insulating barrier is fixed;
A kind of embodiment that air chamber when Fig. 3 is 10 compartments formation storage batterys is arranged;
Fig. 4 is the structural representation of plastic grid;
Fig. 5 is the structural representation of plastic grid;
Fig. 6 is a sectional view of bipolar lead-acid accumulator of the present invention.
Accompanying drawing explanation
Positive electrode copper sheet 1; Cover plate 2; Fixed screw 3; Positive electrode lead flake 4; The cover plate 5 of positive electrode side; Safety valve 6; Air chamber 7; Negative electrode lead flake 8; Negative electrode copper sheet 9; The cover plate 10 of negative electrode side; Negative plate 11; The insulating barrier 12 of negative electrode side; Second battery case 13; Second partition 14; The positive plate 15 of double polarity plate; Double polarity plate 16; First dividing plate 17; First battery case 18; Positive plate 19; The insulating barrier 20 of positive electrode; Plastic frame 21; Grid cloth 22; The negative plate 23 of double polarity plate; Steam vent 24.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Embodiment one
As shown in Figure 1, the present embodiment is a kind of dynamical bipolar lead-acid accumulator, and this storage battery adopts one piece of double polarity plate, the double polarity plate comprising positive ends electrode, negative polarity termination electrode and be located between positive ends electrode, negative polarity termination electrode; Positive ends electrode and negative polarity termination electrode comprise electrode copper sheet and electrode lead flake, electrode copper sheet tin welding is on electrode lead flake, fusing point and the plumbous fusing point of common scolding tin are close, therefore conventional soldering tin material can not be adopted, in the present embodiment, the material of this welding adopts slicker solder eutectic material, and accurately controls welding temperature greatly about about 280 degree.In order to ensure can not because of top electron-collection, thus electric current is excessive, cause solder joint over hot melting thus electrode copper sheet and electrode lead flake are disconnected, electrode copper sheet is close to electrode lead flake side by the present invention, the positive electrode lead flake opposite side dress positive polarity pole plate of positive ends electrode, the negative electrode lead flake opposite side dress negative polarity pole plate of negative polarity termination electrode, and align with the bottom level of this electrode lead flake in the bottom of electrode copper sheet, the top of electrode copper sheet is as the link of external load, this is arranged so that electric current just can rely on electrode copper sheet to conduct electricity from bottom, when certainly specifically implementing, the bottom of electrode copper sheet and the bottom level of this electrode lead flake can not line up yet, the bottom of such as electrode copper sheet is slightly higher than the bottom of electrode lead flake, in a word, the bottom of electrode copper sheet is stretched as much as possible downwards.In addition, electrode copper sheet and the compartment carrying out chemical reaction separate by electrode lead flake, thus namely ensure that electrode copper sheet can not pollute battery, turn improve the conductive effectiveness of whole battery.As shown in Figure 4 and Figure 5, above-mentioned electrode stereotype is bonded with plastic pad being equipped with electrode pad side, described plastic pad comprises plastic grid and is attached to the lead plaster on plastic grid, the grid cloth that described plastic grid comprises plastic frame and surrounded by plastic frame, by the design of grid cloth, achieve and the stereotype that performance is better is applied in the middle of lead acid accumulator, traditional needs owing to being coated with lead plaster have been abandoned in this design, have to give up the better stereotype of performance, thus must must use the mentality of designing of the lead alloy of rigidity.Because grid cloth is more soft, if adopt the lead alloy of rigidity, grid cloth and lead alloy, on the contrary by out-of-flatness, cannot be carried out the bonding of coincideing by its grid cloth and rigidity lead alloy like this, and stereotype quality is softness relatively, more can carry out with the grid cloth scribbling lead plaster the bonding that coincide.
Double polarity plate designs negative-pole electrode at positive ends electrode opposite side thus forms the negative plate of double polarity plate, designs straight polarity electrode thus form the positive plate of double polarity plate at negative polarity termination electrode opposite side; The hard board partition of absorption electrolyte is respectively provided with between positive ends electrode and the negative plate of double polarity plate, between the positive plate and negative polarity termination electrode of double polarity plate, this double polarity plate adopts the structure of above-mentioned stereotype adhered plastics pole plate equally, namely positive pole plastic pad is that plastic grid adheres to anode diachylon, and negative pole plastic pad is that plastic grid adheres to cathode lead plaster.
Adopt the structure of stereotype adhered plastics pole plate, the storage battery making the double polarity plate of the design relatively traditional is thinner, lighter weight, its double polarity plate can reach more than 2.0cm thickness, under unit volume, make to adsorb the hard board partition of electrolyte can thicken, generally can reach the thickness of 1.7cm, thus the specific energy of the design comparatively like product is high a lot.The design is respectively provided with air chamber at the top of each hard board partition described, the top of the through whole hard board partition of this air chamber, the exhaust outlet of each air chamber is staggered, as further design, each air chamber described is mutually isolated, respectively safety valve is provided with at the top of each air chamber, described safety valve upper end is provided with cover plate, such as adopt the structure of valve control Capsule, when air pressure inside reaches a certain restriction, valve control Capsule can be backed down and carry out automatic deflation, when internal gas carries out being discharged into a certain degree, then valve control Capsule automatic-sealed once more.Be the cover plate of positive polarity side and the cover plate of negative polarity side in this example.This design has completely cut off the impact of different compartments's coefficient of expansion, and due to air chamber independence, in process of manufacture, the independence of air chamber is arranged and the Heterogeneous Permutation of steam vent also makes the step of its acid adding also easy, improves the qualification rate of whole product.Certainly, the advantage adopting the structure of stereotype adhered plastics pole plate other is that hard board partition thickens, and makes to reduce the required precision that the position of air chamber is arranged in generating process, thus decreases the cost of whole battery.
Outside above-mentioned battery, surrounding is wrapped up by cover plate, respectively insulating barrier is provided with between described straight polarity electrode and described cover plate, between described negative-pole electrode and described cover plate, the insulating barrier of such as, positive electrode in this example and the insulating barrier of negative electrode, in the bottom of this battery, battery case is set, such as, in figure the first battery case and the second battery case; After described stereotype all inserts this battery case, encapsulation process is carried out to its coupling part, as shown in Figure 2, cover plate is fixed on described insulating barrier by fixed screw, described fixed screw adopts primary screw, and arrangement closely, this fixing design ensure that the hermetic seal of whole battery, and the space availability ratio of cover plate is higher.
Embodiment two
As shown in Figure 3, it is the storage battery that 10 compartments are formed, this battery comprises straight polarity electrode, negative-pole electrode and be located at described straight polarity electrode, 9 double polarity plates between negative-pole electrode, wherein, electrode line electrode, the structure of negative-pole electrode is similar with embodiment one, 9 double polarity plates according to the contrary setting principle of polarity are: positive polarity pole electrode is housed negative-pole electrode corresponding setting is mutually housed, i.e. positive ends electrode pair the 1st double polarity plate negative electrode side, the side of the 1st double polarity plate positive electrode is just to the 2nd double polarity plate negative electrode side ... the like, until positive anticathode termination electrode negative electrode side, the side of last double polarity plate positive electrode.Whole batteries has been divided into 10 compartments by each double polarity plate, and specifically other structures of this batteries all can reference example one, does not repeat them here.In the structure shown here, the steam vent of the air chamber of each compartment is left-right situs, such setting party acid adding in production technology.
Embodiment three
The manufacturing step of the electrode plate grid in lead acid accumulator: first adopt common grid cloth, preferably, the material of this grid cloth adopts acidproof, corrosion-resistant material, soft for grid cloth, its grid cloth often adopts very thin filament to be made into, existing employing plastics then cannot the very thin rib of injection moulding place, injection moulding is carried out in this grid cloth surrounding, form plastic frame, this plastic frame is used for shaping to grid cloth thus forming plastic grid, and then cream is coated with on this plastic grid, the operations such as solidification and drying, follow-up painting cream, solidification and drying etc. operation identical with existing common process.Finally this plastic pad and stereotype bond, in bipolar lead-acid accumulator, two end electrodes is a plastic pad and a stereotype, middle plate is a positive pole plastic pad and a stereotype again with one negative pole plastic pad, so-called positive pole plastic pad is that plastic grid is coated with anode diachylon, and so-called negative pole plastic pad is that plastic grid is coated with cathode lead plaster.In unipolarity battery, two end electrodes is that a plastic pad and a stereotype are bonded, and middle plate is that positive plate is bonded by two positive pole plastic pad and a stereotype, and middle negative plate is bonded by two negative pole plastic pad and a stereotype.Adopt the structure of grid cloth and plastic frame, form plastic grid, and then lead plaster is coated with on this plastic grid, and then this plastic pad and stereotype are carried out boning thus forming electrode pad, this design successfully achieves and is applied in the structure of lead acid accumulator by stereotype.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered as in scope.
Claims (8)
1. a bipolar lead-acid accumulator, is characterized in that, the double polarity plate comprising positive ends electrode, negative polarity termination electrode and be located between described positive ends electrode, negative polarity termination electrode, described positive ends electrode is equipped with positive polarity pole plate, and described negative polarity termination electrode is equipped with negative polarity pole plate, described double polarity plate is equipped with negative-pole electrode at positive ends electrode opposite side, at described negative polarity termination electrode opposite side, straight polarity electrode is housed, between described positive ends electrode and the negative-pole electrode of described double polarity plate, the hard board partition of absorption electrolyte is respectively provided with between the straight polarity electrode and described negative polarity termination electrode of described double polarity plate, respectively air chamber is provided with at the top of each hard board partition described, respectively exhaust safety valve is provided with at the top of each air chamber, described exhaust safety valve upper end is provided with cover plate, when plenum interior air pressure exceedes threshold value, cover plate can be backed down and carry out automatic deflation, when internal gas carries out being discharged into a certain degree, then cover plate automatic-sealed once more, the steam vent of each air chamber described is in shifting to install, described positive ends electrode or negative polarity termination electrode comprise electrode copper sheet and electrode lead flake, described electrode copper sheet is close to described electrode lead flake side, the bottom level alignment of the bottom of described electrode copper sheet and described electrode lead flake, the top of described electrode copper sheet is as the link of external load, the electrode lead flake opposite side dress positive polarity pole plate of described positive ends electrode, the electrode lead flake opposite side dress negative polarity pole plate of described negative polarity termination electrode, described electrode lead flake is close to battery case edge and the junction of be tightly connected described electrode lead flake and battery case.
2. a bipolar lead-acid accumulator, it is characterized in that, comprise positive ends electrode, negative polarity termination electrode and be located at and be provided with at least one piece of double polarity plate between described positive ends electrode, negative polarity termination electrode, described positive ends electrode dress positive polarity pole plate, described negative polarity termination electrode dress negative polarity pole plate, negative-pole electrode is equipped with in described double polarity plate side, opposite side is equipped with straight polarity electrode, described double polarity plate is arranged according to the contrary setting principle of polarity, battery components is divided into independently battery chamber by described double polarity plate, the hard board partition of absorption electrolyte is set between the straight polarity electrode in each battery chamber and negative pole polar electric pole, at the top of hard board partition, air chamber is set, respectively exhaust safety valve is provided with at the top of air chamber, described exhaust safety valve upper end is provided with cover plate, when plenum interior air pressure exceedes threshold value, cover plate can be backed down and carry out automatic deflation, when internal gas carries out being discharged into a certain degree, then cover plate automatic-sealed once more, the contrary setting principle of described polarity is: the one side that straight polarity electrode is housed and the one side corresponding setting mutually that negative-pole electrode is housed, the steam vent of each air chamber described is in shifting to install, described positive ends electrode or negative polarity termination electrode comprise electrode copper sheet and electrode lead flake, described electrode copper sheet is close to described electrode lead flake side, the bottom level alignment of the bottom of described electrode copper sheet and described electrode lead flake, the top of described electrode copper sheet is as the link of external load, the electrode lead flake opposite side dress positive polarity pole plate of described positive ends electrode, the electrode lead flake opposite side dress negative polarity pole plate of described negative polarity termination electrode, described electrode lead flake is close to battery case edge and the junction of be tightly connected described electrode lead flake and battery case.
3. the bipolar lead-acid accumulator according to claims 1 or 2, is characterized in that, each air chamber is isolated mutually.
4. the bipolar lead-acid accumulator according to claims 1 or 2, characterized by further comprising cover plate, cover plate surrounds described positive ends electrode and described negative polarity termination electrode, between described positive ends electrode and described cover plate, between described negative polarity termination electrode and described cover plate, be respectively provided with insulating barrier.
5. the bipolar lead-acid accumulator according to claims 1 or 2, it is characterized in that, electrode lead flake side is bonded with plastic pad, described plastic pad comprises plastic grid and is attached to the lead plaster on plastic grid, the grid cloth that described plastic grid comprises plastic frame and surrounded by plastic frame.
6. the bipolar lead-acid accumulator according to claims 1 or 2, it is characterized in that, described double polarity plate comprises middle conduction stereotype and is bonded in positive pole plastic pad and the negative pole plastic pad of conduction stereotype side, this centre respectively, described plastic pad comprises plastic grid and is attached to the lead plaster on plastic grid, the grid cloth that described plastic grid comprises plastic frame and surrounded by plastic frame, described positive pole plastic pad is that plastic grid adheres to anode diachylon, and described negative pole plastic pad is that plastic grid adheres to cathode lead plaster.
7. bipolar lead-acid accumulator according to claim 5, is characterized in that, described electrode copper sheet tin welding is on described electrode lead flake, and the material of described tin welding is slicker solder eutectic.
8. bipolar lead-acid accumulator according to claim 4, is characterized in that, described cover plate is fixed on described insulating barrier by fixed screw, and described fixed screw adopts primary screw, and arrangement closely.
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| CN201310511690.2A CN103531852B (en) | 2013-10-24 | 2013-10-24 | A kind of bipolar lead-acid accumulator |
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| CN106876804A (en) * | 2017-03-23 | 2017-06-20 | 林子进 | A kind of bipolar lead-acid accumulator |
| CN108198964A (en) * | 2018-01-31 | 2018-06-22 | 林子进 | Bipolar lead-acid accumulator |
| CN110336038B (en) * | 2019-04-12 | 2020-07-24 | 淄博火炬能源有限责任公司 | Bipolar battery plate and preparation method thereof |
| CN117044021A (en) * | 2022-01-13 | 2023-11-10 | 宁德时代新能源科技股份有限公司 | Battery, power utilization device, method and device for preparing battery |
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| CN201336335Y (en) * | 2009-01-12 | 2009-10-28 | 长兴昌盛电气有限公司 | Bipolar lead-acid storage battery |
| CN101630740A (en) * | 2009-08-03 | 2010-01-20 | 刘粤荣 | Unipolar direction polar plate for lead storage battery as well as building block type battery and battery unit thereof |
| CN103151566A (en) * | 2013-03-01 | 2013-06-12 | 超威电源有限公司 | Bipolar high-power lead storage battery |
| CN203589170U (en) * | 2013-10-24 | 2014-05-07 | 林子进 | Bipolar lead-acid storage battery |
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| CN103531852A (en) | 2014-01-22 |
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