CN111162281A - Cylindrical lead storage battery - Google Patents
Cylindrical lead storage battery Download PDFInfo
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- CN111162281A CN111162281A CN201911337680.5A CN201911337680A CN111162281A CN 111162281 A CN111162281 A CN 111162281A CN 201911337680 A CN201911337680 A CN 201911337680A CN 111162281 A CN111162281 A CN 111162281A
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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
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
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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
- H01M10/123—Cells or batteries with cylindrical casing
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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
- 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
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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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a cylindrical lead storage battery, wherein positive plates, negative plates and separators are all disc-shaped and are horizontally stacked and assembled, positive lugs and negative lugs are respectively arranged on the peripheral surfaces of the positive plates and the negative plates, a plurality of wiring holes are correspondingly arranged on the positive lugs and the negative lugs, all the positive plates are connected in series through positive wires, and all the negative plates are connected in series through negative wires. When the cylindrical lead storage battery is charged and discharged, the current distribution at each position of the polar plate with the disc-shaped structure is more uniform, and the polarization degree is uniform; the electric energy conversion efficiency is high, and the charging time is shorter. Meanwhile, the situation that the utilization rate of active substances in local areas is too high and the utilization rate of active substances in other areas is too low, so that the battery fails prematurely can be avoided.
Description
Technical Field
The invention relates to the technical field of lead storage batteries, in particular to a cylindrical lead storage battery.
Background
The lead accumulator belongs to reversible DC power supply, and can convert chemical energy into electric energy and also convert electric energy into chemical energy. The lead storage battery mainly comprises electrolyte, a battery jar and a polar group, wherein the electrolyte of the lead storage battery is sulfuric acid solution, the polar group mainly comprises a positive plate, a negative plate and a partition plate, and the partition plate mainly stores the electrolyte and serves as a gas channel for compounding oxygen to prevent active substances from falling off and prevent short circuit between the positive and negative electrodes.
The traditional positive and negative plates mostly only have one lug, the single battery or battery pack assembled by the positive and negative plates mostly only have one positive terminal and one negative terminal, and the battery groove cover also mostly uses a rectangular or square shell. Because only one output terminal structure is provided, the current during discharging flows to one side with the pole ear, and the input of the electric quantity is completed just reversely during charging. When the battery works as a vehicle-mounted power battery, electric energy close to one side of a terminal is preferentially output, lead sulfate converted after electrochemical reaction enables polarization of the first output side to be increased, and the path for electric quantity on the other side of the terminal to pass is long, so that resistance is increased, and voltage drop is increased in the electric quantity transmission process. This defect is more prominent especially in large current discharge. On the other hand, the active material close to the tab is charged or discharged preferentially, so that the utilization rate of the active material is high, while the active material far away from the tab is increased in polarization, so that the resistance is increased and cannot be used effectively. As a result, the active material on the side close to the ears has a high current density and softens in advance; the utilization rate of the active substance far away from the side of the pole ear is reduced in a gradient manner, the active substance can lose the original activity after being used for a long time to form sulfation, and the specific energy of the battery is restricted. This imbalance and asymmetry in charging and discharging causes the battery performance to be affected by the lugs, i.e., the lugs become a "bottleneck" in the charging and discharging efficiency and the battery performance.
The invention with the publication number of CN101894978 discloses a bipolar ear winding type sealing valve controlled lead-acid storage battery, wherein two electrodes are respectively arranged on an upper cover body and a lower cover body, positive plate ears or negative plate ears are correspondingly arranged on positive plates and negative plates, and the positive plate ears or the negative plate ears comprise 2-20 plate ears. The utility model discloses a grid and lead acid battery for battery that bulletin number is CN203056016U, wherein, two board ears have been designed to the grid, two board ears are located the last frame and the lower frame of grid respectively to be the diagonal angle setting. The utility model discloses an authorization notice number is CN 202487691U's utility model discloses a bi-polar terminal lead accumulator, wherein, changes the single utmost point ear of battery inner plate into polar plate both ends and sets up utmost point ear, changes the outside single terminal of battery case into upper and lower both ends or casing both ends symmetry simultaneously and sets up bi-polar terminal structure. The design concepts of the three patents are basically similar, and one tab or a plurality of tabs are respectively designed on two opposite sides of the pole plate. And the negative influence of a single terminal on the charge and discharge efficiency and performance of the battery is relieved or reduced to a certain extent. No matter be the cylinder battery, rectangle or square battery, the plane that its polar plate expandes all is rectangle or square, relative to the board ear position of upper and lower frame, though design has a board ear or a plurality of board ears, has main shortcoming: 1) the special feature of the rectangular or square structure is that there are "edge" zones, i.e. non-uniform areas, inside the plane, centered on the position of the tab, and this drawback is even more pronounced for cells having a plate aspect ratio of less than 0.62 (close to the golden section). 2) Because the plane thickness is uniform, the amount of the filled lead paste is uniform, during charging and discharging, along with the direction from the lugs of the two side plates to the central zone, the resistance generated by polarization still exists, the activity of electron migration is attenuated in a gradient manner, namely, the utilization rate of active substances is reduced in a gradient manner from the lugs of the two sides to the central zone, the negative influence on the specific energy of the battery still exists, and the restriction is formed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cylindrical lead storage battery, which can ensure that the current density in a polar plate is uniformly distributed when the battery is charged and discharged, and the occurrence of local polarization is reduced.
A cylindrical lead storage battery comprises a battery jar and a pole group arranged in the battery jar, wherein the pole group comprises positive plates and negative plates which are alternately arranged, a partition board is arranged between the positive plates and the negative plates, the positive plates, the negative plates and the partition board are all disc-shaped and are horizontally stacked and assembled, positive ear rings and negative ear rings are respectively arranged on the outer peripheral surfaces of the positive plates and the negative plates, a plurality of wiring holes are correspondingly arranged on the positive ear rings and the negative ear rings, all the positive plates are connected in series through positive wires, all the negative plates are connected in series through negative wires,
the battery jar includes inside groove and urceolus, the inside groove is including the lower circular lid and the last circular lid that are located utmost point crowd bottom surface and top surface respectively to and locate adjacent just, the sealing ring between the negative plate, the sealing ring is arranged and both sides are sealed laminating with utmost point ear ring respectively about the utmost point ear ring of polar plate, and the wiring hole on the utmost point ear ring is located outside the sealing ring.
Preferably, the wiring holes are uniformly distributed along the positive electrode earrings or the negative electrode earrings, and the uniform distribution can enable the current density distribution at each position of the polar plate to be more uniform during charging and discharging. The number of wiring holes on each polar plate is set according to needs, the number of wiring holes is generally 16-30, and the number of wiring holes is even under general conditions, so that one wiring hole between every two adjacent wiring holes is used for installing a positive wire, the other wiring hole is used for installing a negative wire, and the positive wire and the negative wire are just arranged alternately.
Preferably, the thickness of the electrode plate is gradually increased from the center to the periphery, and correspondingly, the thickness of the separator is gradually decreased from the center to the periphery. The utilization rate of the active substances close to the polar earrings is high, the utilization rate of the active substances far away from the polar earrings is low, the thickness of the polar plate is gradually thickened from the center to the periphery, more active substances are filled in the places with high utilization rates, and less active substances are filled in the places with low utilization rates, so that the active substances are fully utilized, the utilization rate of the active substances is improved, and the specific energy of the battery is obviously improved. Meanwhile, under the condition of high-current low-temperature equal-pole end discharge, the use effect can be better.
Preferably, the centers of the polar plate and the clapboard are provided with exhaust holes, correspondingly, the center of the upper circular cover is provided with an acid injection hole column, and the acid injection hole column is provided with a safety valve. The exhaust holes can facilitate the concentrated and rapid exhaust of the battery, relieve the impact of gas pressure on the strength of the polar plate in the electrochemical reaction process and facilitate the prolonging of the service life of the battery; on the other hand, since the tab is annularly provided on the outer peripheral surface of the electrode plate, the utilization rate of the active material in the central region of the electrode plate is the lowest, and the use of the lead paste in the low utilization rate region can be further reduced.
Preferably, the wiring holes on all the polar plates are correspondingly arranged in rows, and a positive lead and a negative lead are respectively arranged in the wiring holes in two adjacent rows in the polar group, wherein the positive lead is welded and conducted with the positive earrings, and the negative lead is welded and conducted with the negative earrings. And forming welding spots to fill the wiring holes during welding.
More preferably, the free ends of all the positive wires are converged into a positive wire harness as a positive output end, and the free ends of all the negative wires are converged into a negative wire harness as a negative output end.
More preferably, the section of the positive electrode lead positioned at the wiring hole of the negative electrode plate is provided with an insulating outer sleeve, and the section of the negative electrode lead positioned at the wiring hole of the positive electrode plate is also provided with an insulating outer sleeve.
Preferably, the gap between the inner groove and the outer groove is filled with sealant. The sealant can seal the part of the tab ring between the inner groove and the outer groove.
According to the cylindrical lead storage battery, the positive plates, the negative plates and the partition plates are designed to be disc-shaped and are horizontally stacked and assembled, the outer peripheral surfaces of the positive plates and the negative plates are respectively provided with the positive electrode lug rings and the negative electrode lug rings, the positive electrode lug rings and the negative electrode lug rings are correspondingly provided with the plurality of wiring holes, all the positive plates are connected in series through positive wires, the negative plates are connected in series through negative wires, and during charging and discharging, the current distribution of all the parts of the polar plates with disc-shaped structures is uniform, and the polarization degree is uniform; the electric energy conversion efficiency is high, and the charging time is shorter. Meanwhile, the situation that the utilization rate of active substances in local areas is too high and the utilization rate of active substances in other areas is too low, so that the battery fails prematurely can be avoided.
Drawings
Fig. 1 is a schematic sectional view showing a cylindrical lead-acid battery according to the present invention.
Fig. 2 is a schematic structural view of the positive plate.
Fig. 3 is a cross-sectional view of the positive electrode plate.
Fig. 4 is a schematic perspective view of a positive grid.
Detailed Description
As shown in fig. 1 to 4, a cylindrical lead storage battery, including the battery jar and locate the utmost point crowd in the battery jar, utmost point crowd is including positive plate 3 and the negative plate 4 of setting up in turn, just, be equipped with baffle 5 between the negative plate, positive plate 3, negative plate 4 and baffle 5 are discoid and the level stacks the equipment, be equipped with anodal earrings 32 and negative pole earrings 41 on the outer peripheral face of positive plate 3 and negative plate 4 respectively, correspond on anodal earrings 32 and the negative pole earrings 41 and be equipped with a plurality of wiring holes (33, 42), all positive plates 3 establish ties through anodal wire 6, all negative plates 4 establish ties through negative wire 7. The battery jar includes inside groove 1 and urceolus 2, inside groove 1 is including the lower circular lid 11 and the last circular lid 12 that are located utmost point crowd bottom surface and top surface respectively to and locate adjacent just, sealing ring 13 between the negative plate, sealing ring 13 is arranged and upper and lower both sides are sealed the laminating with utmost point ear ring respectively along the utmost point ear ring of polar plate, the wiring hole on the utmost point ear ring is located outside sealing ring 13, can make the wiring hole be in between inside groove 1 and the urceolus 2 like this, the last electrolyte that need pour into in inside groove 1 the inside, sealing ring 13 keeps sealed cooperation with the utmost point ear ring department of polar plate.
The wiring holes (33, 42) are uniformly distributed along the positive ear ring 32 or the negative ear ring 41, and the uniform distribution can ensure that the current density distribution at each position of the polar plate is more uniform during charging and discharging. The number of the wiring holes on each polar plate is set according to needs, the number of the wiring holes is generally 16-30, and the number of the wiring holes is generally even, so that one wiring hole between every two adjacent wiring holes is used for accommodating the positive wire 6, the other wiring hole is used for accommodating the negative wire 7, and the positive wire 6 and the negative wire 7 are just arranged alternately.
The plate comprises a grid and lead paste filled on the grid, the grid is also disc-shaped, as shown in fig. 4, the positive grid 31 of the positive plate 3 is shown, the middle rib comprises a linear rib 35 which is radial from the center to the outside, and an annular rib 36 which takes the center point as the center and is distributed outwards in a concentric circle. The negative grid structure of the negative plate is similar to the positive grid 31 except that the negative plate is thinner than the positive plate 31.
The thickness of the electrode plate (including the positive electrode plate 3 and the negative electrode plate 4) is gradually increased from the center to the periphery, and correspondingly, the thickness of the separator 5 is gradually decreased from the center to the periphery. The utilization rate of the active substances close to the polar earrings is high, the utilization rate of the active substances far away from the polar earrings is low, the thickness of the polar plate is gradually thickened from the center to the periphery, more active substances are filled in the places with high utilization rates, and less active substances are filled in the places with low utilization rates, so that the active substances are fully utilized, the utilization rate of the active substances is improved, and the specific energy of the battery is obviously improved. Meanwhile, under the condition of high-current low-temperature equal-pole end discharge, the use effect can be better.
The centers of the polar plates and the separator 5 are provided with exhaust holes, the center of the positive plate 3 is provided with an exhaust hole 34, the center of the negative plate 4 is provided with an exhaust hole 43, the center of the separator 5 is provided with an exhaust hole 51, and when the polar groups are assembled, the exhaust holes are just correspondingly communicated to form an exhaust channel. Correspondingly, the center of the upper circular cover 12 is provided with an acid injection hole column 14, the acid injection hole column 14 is provided with a safety valve, and the structure of the acid injection hole column 14 and the safety valve can use the structure used on the conventional lead storage battery in the prior art. The exhaust holes can facilitate the concentrated and rapid exhaust of the battery, relieve the impact of gas pressure on the strength of the polar plate in the electrochemical reaction process and facilitate the prolonging of the service life of the battery; on the other hand, since the tab is annularly provided on the outer peripheral surface of the electrode plate, the utilization rate of the active material in the central region of the electrode plate is the lowest, and the use of the lead paste in the low utilization rate region can be further reduced.
The wiring holes on all the polar plates are correspondingly arranged in rows, and the wiring holes in two adjacent rows in the polar group are respectively provided with a positive lead 6 and a negative lead 7, wherein the positive lead 6 is welded and communicated with the positive ear ring 32, and the negative lead 7 is welded and communicated with the negative ear ring 41. Welding spots 8 are formed during welding to fill the wiring holes. The free ends of all the positive leads 6 are converged into a positive wire harness 61 as a positive output end, and the free ends of all the negative leads 7 are converged into a negative wire harness 71 as a negative output end. And a sealant 9 is poured into a gap between the inner groove 1 and the outer groove 2, and the part of the tab ring positioned between the inner groove 1 and the outer groove 2 can be sealed by the sealant 9. Generally, the sealant 9 is poured into the wiring hole, so that the positive lead 6 passes through the wiring hole 42 on the negative earring 41, and the side wall of the positive lead 6 and the side wall of the wiring hole 42 are isolated and insulated by the sealant 9; correspondingly, the negative lead 7 passes through the wiring hole 33 on the positive ear ring 32, and the negative lead 7 is insulated from the side wall of the wiring hole 33 by the sealant 9. In order to ensure that short circuit is not easy to occur, an insulating jacket can be arranged on a section of the positive lead 6 positioned at the wiring hole 42 of the negative plate 4, and an insulating jacket can be arranged on a section of the negative lead 7 positioned at the wiring hole 33 of the positive plate 3.
According to the cylindrical lead storage battery, the positive plate 3, the negative plate 4 and the partition plate 5 are designed to be disc-shaped and are horizontally stacked and assembled, the outer peripheral surfaces of the positive plate 3 and the negative plate 4 are respectively provided with the positive lug 32 and the negative lug 41, the positive lug 32 and the negative lug 41 are correspondingly provided with a plurality of wiring holes, all the positive plates 3 are connected in series through the positive lead 6, the negative plates 4 are connected in series through the negative lead 7, and during charging and discharging, the current distribution of each part of the plate with the disc-shaped structure is uniform, and the polarization degree is uniform; the electric energy conversion efficiency is high, and the charging time is shorter. Meanwhile, the situation that the utilization rate of active substances in local areas is too high and the utilization rate of active substances in other areas is too low, so that the battery fails prematurely can be avoided.
Claims (8)
1. A cylindrical lead storage battery comprises a battery jar and a pole group arranged in the battery jar, wherein the pole group comprises positive plates and negative plates which are arranged alternately, and a partition is arranged between the positive plates and the negative plates, the cylindrical lead storage battery is characterized in that the positive plates, the negative plates and the partition are all disc-shaped and are horizontally stacked and assembled, positive ear rings and negative ear rings are respectively arranged on the peripheral surfaces of the positive plates and the negative plates, a plurality of wiring holes are correspondingly arranged on the positive ear rings and the negative ear rings, all the positive plates are connected in series through positive wires, all the negative plates are connected in series through negative wires,
the battery jar includes inside groove and urceolus, the inside groove is including the lower circular lid and the last circular lid that are located utmost point crowd bottom surface and top surface respectively to and locate adjacent just, the sealing ring between the negative plate, the sealing ring is arranged and both sides are sealed laminating with utmost point ear ring respectively about the utmost point ear ring of polar plate, and the wiring hole on the utmost point ear ring is located outside the sealing ring.
2. The cylindrical lead-acid battery as claimed in claim 1, wherein the wiring holes are uniformly distributed along the positive electrode tab or the negative electrode tab.
3. A cylindrical lead acid battery according to claim 1, wherein the plate has a thickness which is gradually increased from the center toward the periphery, and correspondingly, the separator has a thickness which is gradually decreased from the center toward the periphery.
4. The cylindrical lead-acid battery according to claim 1, wherein the center of the plate and the separator is provided with an exhaust hole, and correspondingly, the center of the upper circular cap is provided with an acid injection hole column provided with a safety valve.
5. The cylindrical lead-acid battery as claimed in claim 1, wherein the wiring holes of all the plates are arranged in rows, and a positive electrode lead and a negative electrode lead are respectively provided in the wiring holes of two adjacent rows in the group, wherein the positive electrode lead is connected to the positive electrode lug by welding, and the negative electrode lead is connected to the negative electrode lug by welding.
6. The cylindrical lead-acid battery as claimed in claim 5, wherein the free ends of all the positive wires are converged into a positive wire bundle as a positive output terminal, and the free ends of all the negative wires are converged into a negative wire bundle as a negative output terminal.
7. A cylindrical lead-acid battery according to claim 5, wherein a portion of the positive electrode lead wire located at the terminal hole of the negative electrode plate is provided with an insulating sheath, and a portion of the negative electrode lead wire located at the terminal hole of the positive electrode plate is also provided with an insulating sheath.
8. The cylindrical lead-acid battery as claimed in claim 1, wherein a sealant is filled in a gap between the inner tub and the outer tub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337680.5A CN111162281B (en) | 2019-12-23 | 2019-12-23 | Cylindrical lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337680.5A CN111162281B (en) | 2019-12-23 | 2019-12-23 | Cylindrical lead storage battery |
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| Publication Number | Publication Date |
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| CN111162281A true CN111162281A (en) | 2020-05-15 |
| CN111162281B CN111162281B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911337680.5A Active CN111162281B (en) | 2019-12-23 | 2019-12-23 | Cylindrical lead storage battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112349912A (en) * | 2020-11-06 | 2021-02-09 | 美棒技术(上海)有限公司 | Storage battery grid, polar plate and storage battery |
| CN114725586A (en) * | 2022-04-07 | 2022-07-08 | 东莞市沃泰通新能源有限公司 | Novel sodium ion cylinder type battery of structure |
| CN115692871A (en) * | 2022-10-27 | 2023-02-03 | 安徽艾克瑞德科技有限公司 | Lead-carbon battery structure convenient for filling colloidal electrolyte |
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| JP2002245989A (en) * | 2001-02-15 | 2002-08-30 | Japan Storage Battery Co Ltd | Lead-acid battery |
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| CN202839848U (en) * | 2012-09-19 | 2013-03-27 | 徐平 | Coiled type double-end confluence lead-acid storage battery core |
| CN203707278U (en) * | 2014-01-17 | 2014-07-09 | 河南超威电源有限公司 | Cylindrical lead-acid storage battery |
| CN107732146A (en) * | 2017-10-10 | 2018-02-23 | 中航锂电（洛阳）有限公司 | A kind of electrodes of lithium-ion batteries and preparation method thereof, lithium ion battery |
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| JP2002245989A (en) * | 2001-02-15 | 2002-08-30 | Japan Storage Battery Co Ltd | Lead-acid battery |
| CN2758991Y (en) * | 2004-12-15 | 2006-02-15 | 比亚迪股份有限公司 | Lithium ion secondary cell |
| CN202839848U (en) * | 2012-09-19 | 2013-03-27 | 徐平 | Coiled type double-end confluence lead-acid storage battery core |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112349912A (en) * | 2020-11-06 | 2021-02-09 | 美棒技术(上海)有限公司 | Storage battery grid, polar plate and storage battery |
| CN112349912B (en) * | 2020-11-06 | 2021-11-30 | 美棒技术(如皋)有限公司 | Storage battery grid, polar plate and storage battery |
| CN114725586A (en) * | 2022-04-07 | 2022-07-08 | 东莞市沃泰通新能源有限公司 | Novel sodium ion cylinder type battery of structure |
| CN115692871A (en) * | 2022-10-27 | 2023-02-03 | 安徽艾克瑞德科技有限公司 | Lead-carbon battery structure convenient for filling colloidal electrolyte |
| CN115692871B (en) * | 2022-10-27 | 2023-06-13 | 安徽艾克瑞德科技有限公司 | Lead-carbon battery structure convenient for filling colloid electrolyte |
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| CN111162281B (en) | 2021-08-27 |
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