CN201294238Y - Column type lead accumulator - Google Patents

Column type lead accumulator Download PDF

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Publication number
CN201294238Y
CN201294238Y CNU2008201268328U CN200820126832U CN201294238Y CN 201294238 Y CN201294238 Y CN 201294238Y CN U2008201268328 U CNU2008201268328 U CN U2008201268328U CN 200820126832 U CN200820126832 U CN 200820126832U CN 201294238 Y CN201294238 Y CN 201294238Y
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CN
China
Prior art keywords
column type
lead accumulator
cell
type lead
battery container
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201268328U
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Chinese (zh)
Inventor
钟石
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Individual
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Individual
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Priority to CNU2008201268328U priority Critical patent/CN201294238Y/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • 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
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/112—Monobloc comprising multiple compartments
    • H01M50/114—Monobloc comprising multiple compartments specially adapted for lead-acid cells
    • 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
    • H01M50/147—Lids or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H01M50/529—Intercell connections through partitions, e.g. in a battery casing
    • 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
    • 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
    • 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)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model discloses a columnar lead accumulator, which comprises an accumulator casing and a plurality of single accumulators which are arranged in the accumulator casing, wherein one ends of the single accumulators are provided with anode connecting pieces and cathode connecting pieces, or anode connecting pieces or cathode wiring terminals for externally connecting, or cathode connecting pieces and anode wiring terminals for externally connecting, wherein the anode connecting pieces and the cathode connecting pieces of adjacent single accumulators are mutually connected to connect a plurality of single accumulators in series. The columnar lead accumulator connects a plurality of single accumulators in series through a cross wall type connecting mode or a bridge striding type connecting mode of the anode connecting piece and the cathode connecting piece. The columnar lead accumulator improves the evenness of current density of the whole electrode, improves the mechanical intensity and the anti-vibrating property of the electrode, and has simple structure and convenient processing.

Description

The column type lead accumulator
Technical field
The utility model relates to storage battery processing and manufacturing technical field, relates in particular to a kind of column type lead accumulator.
Background technology
Traditional lead-acid battery manufacturing process and technology have experienced the course in century more than.In the evolution in century more than one, traditional production and process technology are constantly reformed, and new technology and equipment is constantly adopted.Present existing lead accumulator adopts the battery case of classic flat-plate formula battery pole plates and corresponding square or rectangle usually.Each inside battery is made up of a plurality of monomers (lattice) battery.For example, 12 volts of common battery within it portion form integral battery door by 6 (square or rectangle) single lattice batteries by the mode of being connected in series.The weak point of classic flat-plate formula battery is: because the restriction of single lattice battery space for capacity and the space availability ratio that improves battery, is adopted the mode of a plurality of monolithic pole plate parallel connection usually in each single lattice.Because only adopt a lug to be used for the conflux connection of terminal of battery on the monolithic pole plate, the efficient of confluxing is not high, and internal resistance is higher, has limited the heavy-current discharge performance of battery.Another weak point of classic flat-plate formula battery is: because pole plate is to be formed by lead or the manufacturing of lead alloy grid, cause the pole plate mechanical strength not high, plate buckling appears easily in processing and use or fall (taking off) powder, externally in vibrations and the use because of the expansion of pole plate with shrink defective such as appearance damage easily, if improve mechanical strength, then therefore increased battery weight by improving electrode thickness.Though these traditional pole plates can satisfy the general operational requirement to battery, be not suitable for making the battery of the above discharge of high-multiplying power discharge, especially 30 multiplying powers and the high-power lead storage battery high to the vibration resistance performance requirement.
The utility model content
The utility model provides a kind of column type lead accumulator, be connected with the anode connector through-the-wall or stride the bridge-type connection structure connecting by anodal connector several cells are connected in series, improved electrode integral body electric current distribution uniformity and improved mechanical strength of electrodes and anti-shake performance.
For achieving the above object, the utility model provides a kind of column type lead accumulator, comprise battery container and be arranged on several interior cells of described battery container, one end of described cell is provided with anodal connector and anode connector or anodal connector and the negative binding post that is used for externally being connected or anode connector and the positive binding post that is used for externally being connected, and the anodal connector of adjacent monomer battery and anode connector interconnect several cells are connected in series.
The shell wall that the anodal connector and the anode connector of adjacent monomer battery passes battery container therebetween is connected or the shell wall of crossing over battery container therebetween connects.
Described cell by a row, two rows, arrange multiple row or closely packed mode is arranged more.
Described positive binding post and negative binding post are arranged on the cell of homonymy or diagonal positions.
Described battery container top button is provided with cell cover, and button is provided with the cell cover plate on the described cell cover, and described battery container bottom button is provided with the battery floor cover plate, and described cell cover is provided with the wiring column sleeve adaptive with described binding post.
Also be provided with steam vent on the described cell cover, described steam vent is provided with rubber valve.
The thickness of described battery container shell wall is 0.5mm～8.0mm, and the thickness of described cell cover is 1.0mm～8.0mm.
Described battery container and cell cover are finished sealing by conventional glue sealing or heat seal for the plastic products made by conventional casting processing technology or polymer product more than two kinds between described battery container and the cell cover.
Described cell is a column type takeup type cell.
Described column type takeup type cell comprises positive plate and negative plate, is provided with the dividing plate with positive plate and negative plate isolation between described positive plate and negative plate, and described positive plate, negative plate and dividing plate become column type takeup type cell by coiling.
The utility model by the shell wall that passes battery container therebetween of anodal connector and anode connector the through-the-wall connected mode or the bridge-type connected mode of striding of crossing over the shell wall of battery container therebetween several cells are connected in series, improved the uniformity of the current density of electrode integral body, the utilization ratio of electrode active material and the efficient of confluxing; Adopt the takeup type moulding to prepare the column type lead accumulator, make cell integrated stressed even, avoided the flat plate cell mechanical strength not enough, externally in vibrations and the use because of the expansion of pole plate with shrink the weakness of damage easily, improved mechanical strength of electrodes and anti-shake performance; The utility model is designed to column type with cell simultaneously, integral battery door is made of a plurality of column type cells, compare with traditional flat square battery, more flexible on overall dimensions and binding post, the column type lead accumulator can be designed to different shapes, binding post can be arranged on different positions on demand; And this column type lead accumulator is simple in structure, easy to process.
Description of drawings
Fig. 1 is the structural representation of the utility model column type lead accumulator;
Fig. 2 is another structural representation of the utility model column type lead accumulator;
Fig. 3 is the structural representation of the utility model cell cover;
Fig. 4 is the installation diagram of the utility model column type lead accumulator;
Fig. 5 is the structural representation after the assembling of the utility model column type lead accumulator;
Fig. 6 is the schematic diagram of a kind of arrangement of the utility model column type lead accumulator;
Fig. 7 is the another kind of schematic diagram of arranging of the utility model column type lead accumulator;
Fig. 8 is the schematic diagram of another arrangement of the utility model column type lead accumulator;
Fig. 9 is the structural representation after the assembling of column type lead accumulator among Fig. 8.
Description of reference numerals
The 1-battery container; The 2-cell; The anodal connector of 3-;
The 4-anode connector; 5-bears binding post; The positive binding post of 6-;
The 7-cell cover; 8-wiring column sleeve; The 9-steam vent;
10-cell cover plate; 11-battery floor cover plate; The 12-rubber valve.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model column type lead accumulator, as shown in Figure 1, the column type lead accumulator comprises battery container 1 and cell 2, several cells 2 are arranged in the battery container 1, one end of cell 2 is provided with anodal connector (also claiming positive bus) 3 and anode connector (also claiming negative bus) 4, or anodal connector 3 and the negative binding post 5 that is used for externally being connected, or anode connector 4 and the positive binding post 6 that is used for externally being connected, adjacent monomer battery 2 interconnects by anodal connector 3 and anode connector 4 several cells 2 is connected in series.Positive binding post 6 is one in the present embodiment, and negative binding post 5 is one.In other words, a cell 2 in several cells 2 is provided with anodal connector 3 and negative binding post 5, another cell 2 is provided with anode connector 4 and positive binding post 6, is provided with anodal connector 3 and anode connector 4 on all the other cells 2.Wherein, the anodal connector 3 of adjacent monomer battery 2 is connected (through-the-wall connected mode) with the shell wall that anode connector 4 can pass battery container 1 therebetween, thereby several cells 2 are connected in series.As an embodiment, the cell 2 in the utility model is a column type takeup type cell.Present embodiment adopts 6 cells 2 to arrange by two rows, three row modes.Cell 2 inside be provided with positive plate, negative plate and be arranged on positive plate and negative plate between dividing plate, positive plate, negative plate and dividing plate become column type takeup type cell by coiling, wherein, also be provided with a plurality of anode ears (failing among the figure to draw) on the positive plate of cell 2 inside, anode ear is connected with anodal connector 3, also be provided with a plurality of negative electrode lugs (failing among the figure to draw) on the negative plate in the cell 2, negative electrode lug is connected with anode connector 4.In other words, cell 2 is to be had the positive plate of a plurality of anode ears and the stack of negative plate that a slice has a plurality of negative electrode lugs and added dividing plate between positive plate and negative plate by a slice to become column type takeup type cell through coiling.Battery container 1 is that 6 cylindrical structures combine by the mode that two rows three are listed as in the present embodiment, the plastic products of battery container 1 for making by conventional casting processing technology, for example ABS resin goods, PP resin or polymer product more than two kinds, its shell thickness is 0.5mm～8.0mm.Fig. 2 is another structural representation of the utility model column type lead accumulator, as shown in Figure 2, anodal connector 3 is connected (striding the bridge-type connected mode) with the shell wall that anode connector 4 can also be crossed over battery container 1 therebetween, thereby several cells 2 are connected in series, identical among other structure of column type lead accumulator among Fig. 2 and Fig. 1 no longer specifically describes herein.Interconnecting between anodal connector 3 and the anode connector 4 can adopt the mode of conventional welding to connect in the present embodiment.In addition, the cell in the present embodiment can be by a row, two rows, arrange multiple row or closely packed mode is arranged more.
Fig. 3 is the structural representation of the utility model cell cover, as shown in Figure 3, further, the column type lead accumulator also comprises cell cover 7, the plastic products of cell cover 7 for making by conventional casting processing technology, for example ABS resin goods, PP resin or polymer product more than two kinds, its thickness is 1.0mm～8.0mm.Cell cover 7 is provided with wiring column sleeve 8 and steam vent 9, and wiring column sleeve 8 can be adaptive with negative binding post 5 or positive binding post 6 among Fig. 1, also can be provided with rubber valve on the steam vent 9.
Fig. 4 is the installation diagram of the utility model column type lead accumulator, as shown in Figure 4, the parts that are used to assemble this column type lead accumulator comprise battery container 1, cell 2, cell cover 7, cell cover plate 10 and battery floor cover plate 11, cell 2 is connected with anode connector 4 by anodal connector 3 with battery container 1, connected mode can connect for the through-the-wall of the shell wall that passes battery container 1 or cross over battery container 1 shell wall stride the bridge-type connected mode, cell cover 7 spiral-locks are on battery container 1, cell cover plate 10 spiral-locks are on cell cover 7, and battery floor cover plate 11 spiral-locks are on battery container 1 bottom.Wherein can finish sealing by conventional glue sealing or heat seal between battery container 1 and the cell cover 7.
Fig. 5 is the structural representation after the assembling of the utility model column type lead accumulator, assemble according to the fit among Fig. 4, as shown in Figure 5, stretch out the negative binding post 5 of external connection in the wiring column sleeve 8 on the cell cover 7, stretch out the positive binding post 6 of external connection in another wiring column sleeve 8, and negative binding post 5 is arranged on the cell of diagonal positions with positive binding post 6.The arrangement mode of cell can change according to the specific requirement to the column type lead accumulator among Fig. 5, and correspondingly, the position of negative binding post 5 and positive binding post 6 also can change.Fig. 6 is the schematic diagram of a kind of arrangement of the utility model column type lead accumulator, and as shown in Figure 6,6 cells 2 are arranged according to row's mode, and negative binding post 5 and positive binding post 6 are positioned on the cell 2 of end positions.Fig. 7 is the another kind of schematic diagram of arranging of the utility model column type lead accumulator, and as shown in Figure 7,6 cells 2 are arranged by the modes of two rows, three row, and negative binding post 5 and positive binding post 6 are positioned on the cell 2 with side position.Fig. 8 is the schematic diagram of another arrangement of the utility model column type lead accumulator, as shown in Figure 8,6 cells are arranged by the mode of two rows, three row, negative binding post 5 and positive binding post 6 are positioned on the cell 2 with the two ends of side position, Fig. 9 is the structural representation after the assembling of column type lead accumulator among Fig. 8, as shown in Figure 9, stretch out the negative binding post 5 of external connection in the wiring column sleeve 8 on the cell cover 7, stretch out the positive binding post 6 of external connection in another wiring column sleeve 8, also be provided with rubber valve 12 on the steam vent.In addition, also can be according to technique scheme further by adjusting, the link position that changes above-mentioned cell is determined the position of negative binding post 5 and positive binding post 6.
In addition, remove the above-mentioned method of in cell cover, placing binding post that adopts by the wiring column sleeve, promptly in cell cover, preset outside the method for (inlaying) wiring column sleeve 8, can also adopt conventional pole glue encapsulation method, because of pole glue encapsulation method is well-known conventional method, state so will not tire out at this.
When the voltage of cell was 2 volts, the voltage that constitutes the column type lead accumulator was 2 times of cell quantity, and promptly the voltage of column type lead accumulator can be by V=2N, and wherein V is the voltage of column type lead accumulator, and N is the quantity of cell.For example, when the voltage V=4 of column type lead accumulator (volt), N=2, promptly cell quantity is 2; When the voltage V=6 of column type lead accumulator (volt), N=3, promptly cell quantity is 3; And the like.
The utility model by anodal connector and anode connector the through-the-wall connected mode or stride the bridge-type connected mode several cells be connected in series, improved the uniformity of the current density of electrode integral body, the utilization ratio of electrode active material and the efficient of confluxing; Adopt the takeup type moulding to prepare the column type lead accumulator, make cell integrated stressed even, avoided the flat plate cell mechanical strength not enough, externally in vibrations and the use because of the expansion of pole plate with shrink the weakness of damage easily, improved mechanical strength of electrodes and anti-shake performance; The utility model is designed to column type with cell simultaneously, integral battery door is made of a plurality of column type cells, compare with traditional flat square battery, more flexible on overall dimensions and binding post, the column type lead accumulator can be designed to different shapes, binding post can be arranged on different positions on demand.
Therefore adopt above-mentioned cell connected mode and battery container structure, can be used for the preparation of high power column type lead accumulator.
Because the utility model relates to the battery container structure of column type lead accumulator and the connected mode of inside battery, do not relate to the concrete manufacturing process of column type lead accumulator, so the processing technology of column type lead accumulator is not stated at this.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.

Claims (10)

1, a kind of column type lead accumulator, comprise battery container and be arranged on several interior cells of described battery container, it is characterized in that, one end of described cell is provided with anodal connector and anode connector or anodal connector and the negative binding post that is used for externally being connected or anode connector and the positive binding post that is used for externally being connected, and the anodal connector of adjacent monomer battery and anode connector interconnect several cells are connected in series.
2, column type lead accumulator according to claim 1 is characterized in that, the shell wall that the anodal connector and the anode connector of adjacent monomer battery passes battery container therebetween is connected or the shell wall of crossing over battery container therebetween connects.
3, column type lead accumulator according to claim 1 is characterized in that, described cell by a row, two rows, arrange multiple row or closely packed mode is arranged more.
4, column type lead accumulator according to claim 1 is characterized in that, described positive binding post and negative binding post are arranged on the cell of homonymy or diagonal positions.
5, column type lead accumulator according to claim 1, it is characterized in that, described battery container top button is provided with cell cover, button is provided with the cell cover plate on the described cell cover, described battery container bottom button is provided with the battery floor cover plate, and described cell cover is provided with the wiring column sleeve adaptive with described binding post.
6, column type lead accumulator according to claim 5 is characterized in that, also is provided with steam vent on the described cell cover, and described steam vent is provided with rubber valve.
7, column type lead accumulator according to claim 5 is characterized in that, the thickness of described battery container shell wall is 0.5mm～8.0mm, and the thickness of described cell cover is 1.0mm～8.0mm.
8, column type lead accumulator according to claim 5, it is characterized in that, described battery container and cell cover are finished sealing by conventional glue sealing or heat seal for the plastic products made by conventional casting processing technology or polymer product more than two kinds between described battery container and the cell cover.
According to the arbitrary described column type lead accumulator of claim 1～8, it is characterized in that 9, described cell is a column type takeup type cell.
10, column type lead accumulator according to claim 9, it is characterized in that, described column type takeup type cell comprises positive plate and negative plate, be provided with the dividing plate with positive plate and negative plate isolation between described positive plate and negative plate, described positive plate, negative plate and dividing plate become column type takeup type cell by coiling.
CNU2008201268328U 2008-02-01 2008-06-30 Column type lead accumulator Expired - Fee Related CN201294238Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201268328U CN201294238Y (en) 2008-02-01 2008-06-30 Column type lead accumulator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200820043727.8 2008-02-01
CN200820043727 2008-02-01
CNU2008201268328U CN201294238Y (en) 2008-02-01 2008-06-30 Column type lead accumulator

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WO (1) WO2009100629A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208580A (en) * 2011-04-26 2011-10-05 广州市云通磁电有限公司 Power cell combination device with honeycomb structure and manufacturing method thereof
CN114667631A (en) * 2021-03-12 2022-06-24 宁德新能源科技有限公司 Battery module and electric device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2134149B1 (en) * 1997-07-30 2000-03-16 Tudor Acumulador BATTERY OF ELECTRIC ACCUMULATORS.
CN2614389Y (en) * 2003-04-11 2004-05-05 江苏双登电源有限公司 Winding valve-controlled sealed lead-acid accumulator
CN2632871Y (en) * 2003-07-25 2004-08-11 钟阳 Winding accumulator
CN2660685Y (en) * 2003-09-18 2004-12-01 刘振升 Winding lead-acid accumulator
CN200990395Y (en) * 2006-08-11 2007-12-12 钟石 Case and internal connection structure used for winding lead storage battery
CN200990394Y (en) * 2006-08-11 2007-12-12 钟石 Winding lead accumulator battery case and internal connection structure
CN101034760A (en) * 2007-04-29 2007-09-12 于伟华 Coiled lead-acid accumulator for the electric tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208580A (en) * 2011-04-26 2011-10-05 广州市云通磁电有限公司 Power cell combination device with honeycomb structure and manufacturing method thereof
CN114667631A (en) * 2021-03-12 2022-06-24 宁德新能源科技有限公司 Battery module and electric device
WO2022188175A1 (en) * 2021-03-12 2022-09-15 宁德新能源科技有限公司 Battery module and power-consuming device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090819

Termination date: 20150630

EXPY Termination of patent right or utility model