Lead-acid storage battery with long service life
By forming a bag-type closed separator structure through hot-melt welding, the short-circuit problem caused by the diffusion of metal powder in lead-acid batteries is solved, thus extending battery life.
Patent Information
- Application Number
- CN202422672069.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-04
AI Technical Summary
In the long-term use of traditional lead-acid batteries, the metal powder shed and diffused due to the U-shaped open separator can cause short circuits between the positive and negative plates, resulting in a shortened battery life.
The partition is sealed into a bag-like structure by hot-melt welding. It is sealed on three sides but allows electron migration and prevents the diffusion of metal powder. Multiple partitions protect and isolate the anode plate and cathode plate.
It effectively prevents short circuits caused by metal powder, extends battery life, prevents internal short circuits, and improves battery durability.
Smart Images

Figure CN223638406U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lead -acid battery technical field, especially relate to a long -life lead -acid battery. BACKGROUND
[0002] The traditional lead -acid battery is separated by the open type insulating separator of positive and negative electrode plate, and is soaked in electrolyte after being assembled into battery core, such as the double separator plate assembly suitable for lead -acid battery of CN105552283A, the charge and discharge energy conversion work (charge and discharge) of battery is provided by electrochemical reaction, from the physical point of view, the charge and discharge energy conversion work (charge and discharge) is completed by the electron on the positive plate back and forth migration between the negative plate through the insulating separator, and the positive and negative electrode plate of battery is formed by powder metal or metal oxide plus conductive paste coating, pressing and drying.
[0003] In the long-term charge and discharge work, since being soaked in electrolyte for a long time, the charge and discharge energy conversion is continuously carried out, and a small part of metal powder will fall off in the long-time charge and discharge energy conversion process, since the U-shaped open type separator is used in the prior art, the falling powder will gradually spread and accumulate around the electrode plate in the battery through the opening of the separator, and the short circuit between the positive and negative electrode plates will be caused when the spread and accumulation reaches a certain degree, although the short circuit current is very small at the initial stage and will not affect the normal charge and discharge work of the battery, but will only cause the charge time of the battery to be shortened, but with the passage of time, the short circuit caused by the spread and accumulation of the metal powder in the battery will become more and more serious (internal leakage), and when the internal leakage is serious to a certain extent, the whole battery cannot carry out normal charge and discharge work. UTILITY MODEL CONTENTS
[0004] The utility model provides a long -life lead -acid battery, and the leakage -free bagging of the separator can be carried out in the mode of hot melting welding, three sides are closed, so that the electron can freely migrate and the free circulation of electrolyte is not hindered, and a plurality of anode plates and anode plates can be protected and isolated by a plurality of separators, the metal powder of the falling electrode plate is all collected in the interior of the separator, so that the short circuit caused by the transfer of various falling metal powders to other places in the battery through the separator is completely prevented, the service life of the battery is effectively prolonged, and the problems in the background art are solved.
[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0006] The utility model discloses a long -life lead -acid battery, including a plurality of baffle, the inside of baffle is hollow structure, and the inner chamber of each baffle is filled with anode plate and cathode plate respectively.
[0007] Further, the baffle is in the shape of a bag, and an upper opening and a bottom bend are arranged at the top and the bottom of the baffle respectively, and left and right fusion welds are arranged at the two sides of the baffle respectively.
[0008] Further, the spacing between each two adjacent baffles is equal.
[0009] Further, the anode plate and the cathode plate are alternately filled into the inner cavities of the adjacent two baffles.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] (1) In the long -life lead -acid battery of the utility model, the baffle can be sealed without leakage by hot melt welding, so that the three sides are closed, the electron can freely migrate, and the free flow of electrolyte is not hindered, and a plurality of anode plates and anode plates can be protected and isolated by a plurality of baffles.
[0012] (2) In the long -life lead -acid battery of the utility model, the metal powder of the falling plate is collected in the inside of the baffle, so as to completely prevent the metal powder from being transferred to other places in the battery through the baffle and causing short circuit, thereby effectively prolonging the service life of the battery.
[0013] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.
[0015] Figure 1 It is the structural diagram of the prior art U-shaped open baffle;
[0016] Figure 2 It is the installation diagram of the prior art U-shaped open baffle and cathode plate;
[0017] Figure 3 It is the structural diagram of the long -life lead -acid battery of the utility model;
[0018] Figure 4The utility model discloses a structure diagram of the partition plate.
[0019] In the drawings, the component list represented by each sign is as follows:
[0020] 1, partition plate;2, anode plate;3, cathode plate;4, upper opening;5, bottom bending;6, left fusion welding seam;7, right fusion welding seam. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.
[0022] In the description of the utility model, it is understood that the terms "relative", "one end", "internal", "transverse", "end", "two ends", "two sides", "front", "one end surface", "the other end surface" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated component or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.
[0023] Please refer to Figures 1-4 The utility model discloses a long service life lead-acid storage battery, including a plurality of partition plate 1, the inside of partition plate 1 is hollow structure, and the inner chamber of each partition plate 1 is loaded with anode plate 2 and cathode plate 3 respectively.
[0024] Among them, the partition plate 1 is bag type shape, and the top and bottom are provided with upper opening 4 and bottom bending 5 respectively, and the two sides of the partition plate 1 are provided with left fusion welding seam 6 and right fusion welding seam 7 respectively, and the partition plate 1 is sealed by heat fusion welding without leakage, so that three sides are closed, so that the electron can migrate freely while not hindering the free flow of electrolyte, when the lead-acid storage battery is used for a period of time, the detached plate metal powder is all collected in the inside of the partition plate 1, so as to completely prevent various detached metal powder from moving through the partition plate 1 to other places in the storage battery and causing short circuit, thereby effectively prolonging the service life of the battery.
[0025] Among them, the interval between each adjacent two partition plates 1 is equal, and multiple anode plates 2 and cathode plates 3 can be protected and isolated by multiple partition plates 1.
[0026] Among them, the anode plate 2 and the cathode plate 3 are staggered and loaded into the inner chamber of the adjacent two partition plates 1, and the multiple groups of stacking of one anode plate 2 and one cathode plate 3 can constitute the battery cell and be installed in the battery shell.
[0027] The circuit, electronic components and chip module involved in the utility model are all prior art, and can be realized by those skilled in the art without further description, and the content protected by the utility model does not involve improvement of software and methods.
[0028] The standard parts used in the application file can be purchased from the market, all components in the application file can be ordered according to the description and drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional types in the prior art, the electrical components appearing in the text are electrically connected with the main controller and 220V mains, and the main controller is a conventional known device that can play a control role.
[0029] The working principle of the utility model is:
[0030] In use, the anode plate 2 and the cathode plate 3 can be loaded into the inner cavity of each partition plate 1, a plurality of groups of the anode plate 2 and the cathode plate 3 can be stacked to form a battery cell and installed in the battery shell, and the plurality of partition plates 1 can protect and isolate the plurality of anode plates 2 and cathode plates 3, the partition plate 1 is in the form of a bag, and is sealed by a leakage-free sealing bag through hot melt welding, so that three sides are closed, so that the electrons can freely migrate while the free flow of electrolyte is not hindered, when the lead-acid battery is used for a period of time, the detached plate metal powder is completely collected in the inside of the partition plate 1, so as to completely prevent the detached metal powder from being transferred to other places in the battery through the partition plate 1 and causing short circuit, thereby effectively prolonging the service life of the battery.
[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A long-life lead-acid battery, characterized in that, It includes several partitions (1), the interior of each partition (1) is hollow, and each partition (1) has an anode plate (2) and a cathode plate (3) installed in its inner cavity. The partition (1) is bag-shaped, with an upper opening (4) and a bottom bend (5) respectively at the top and bottom. The partition (1) has a left weld seam (6) and a right weld seam (7) on its two sides respectively. The anode plate (2) and the cathode plate (3) are staggered and installed in the inner cavities of two adjacent partitions (1).
2. The long-life lead-acid battery according to claim 1, characterized in that, The spacing between each pair of adjacent partitions (1) is equal.
Citation Information
Patent Citations
Dual-partition polar plate assembly suitable for lead-acid storage battery
CN105552283A