An electrode having an integrated positive and negative electrode structure
By using an integrated positive and negative electrode structure and eliminating the separator, assembly is simplified and active material is fixed, solving the problems of cumbersome assembly and powder shedding of paste-type active material in traditional batteries, thus improving battery stability and energy storage capacity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI NENGWEI ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-24
AI Technical Summary
Traditional batteries have a complicated assembly structure, require additional investment in separators, and the paste-type active material is prone to powder shedding, affecting stability and lifespan, and is not conducive to equipment miniaturization.
It adopts an integrated positive and negative electrode structure, using a combination of pipe, sheath and bottom plate to eliminate the separator, conduct current through lead ribs, fill the pipe with active material, and use separator to prevent short circuit.
Simplify the assembly process, reduce separator costs, avoid active material desiccation, extend electrode life, increase battery capacity, and adapt to different energy storage needs.
Smart Images

Figure CN224554382U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery material technology, and in particular to an electrode with an integrated positive and negative electrode structure. Background Technology
[0002] In the existing battery technology system, the core assembly structure of traditional batteries (with lead-acid batteries as a typical example) generally follows an alternating stacking pattern of "negative plate - separator - positive plate - separator - negative plate". Among them, the separator, as a key component, needs to isolate the positive and negative plates to prevent short circuits, while allowing electrolyte penetration to ensure ion conduction. Although this structure is technically mature and highly stable, it has limitations such as a large assembly thickness and the need to bear additional separator costs.
[0003] However, in the existing technology, the polarity mechanism adopts an alternating assembly structure of "negative plate-separator-positive plate-separator-negative plate". This stacking method is very cumbersome and requires additional investment in separators. At the same time, the paste-type mesh plate matched with the traditional polarity mechanism will cause the paste-type active material to easily shed powder, which will not only affect the stable operation of the battery, but also shorten its service life due to performance degradation. In addition, the overall structural design also makes the assembly thickness large, which is not conducive to the miniaturization and lightweight development of the equipment. Utility Model Content
[0004] The purpose of this invention is to solve the problems existing in the prior art by proposing an electrode with an integrated positive and negative electrode structure.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an electrode with an integrated positive and negative electrode structure, comprising several tubes arranged linearly, each tube being a hollow structure with both ends open, a sheath at the top of each tube, and a bottom plate at the bottom of each tube, the sheaths being two in number, symmetrically arranged on both sides of each tube, each sheath having a lead rib fixedly connected to its bottom surface, the lead rib extending from the top to the bottom of each tube, the position of the lead rib corresponding one-to-one with the arrangement of the tubes, and the outer layer of the lead rib being coated with an active material.
[0006] Preferably, the active material used for the positive electrode is lead dioxide or capacitor-grade activated carbon, and the active material used for the negative electrode is elemental lead powder and carbon material. The active materials are respectively filled in the pipe, and the current is conducted through lead ribs.
[0007] Preferably, an isolation plate is provided between the two sheaths to isolate and prevent short circuits between the positive and negative electrodes.
[0008] Preferably, the sidewall of the pipe is provided with a connecting strip, and the two pipes are connected by the connecting strip.
[0009] Preferably, one end of the sheath is equipped with an electrode contact for current conduction.
[0010] Preferably, the bottom plate and the sheath are fixedly connected by an elastic rubber ring.
[0011] Preferably, the outer diameter of the lead reinforcing bar is in the range of 0.5-2mm, and the inner diameter of the pipe is in the range of 8-15mm.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] 1. In this utility model, by adopting an integrated positive and negative electrode structure, there is no need to add separators like in traditional batteries. Assembly can be completed directly by using the combination of pipes, sheaths and bottom plates, which greatly simplifies the operation process, reduces the cost of separator procurement, improves assembly efficiency, and saves manpower and time costs.
[0014] 2. In this utility model, by designing the active material to be wrapped in the tube, the active material is confined inside the tube. Even if a small amount of powder falls off, it can be firmly wrapped by the tube, preventing the active material from detaching from the lead ribs, effectively reducing performance loss, and significantly extending the service life of the electrode and even the entire battery.
[0015] 3. In this utility model, the thinner the lead ribs, the more active material can be filled into the tube; the thicker the inner diameter of the tube, the more active material can be accommodated. With the combined effect of the two, the battery can store more electricity and has a larger capacity. At the same time, parameters can be selected according to needs to adapt to energy storage or high current discharge scenarios. Attached Figure Description
[0016] Figure 1 A three-dimensional structural diagram of an electrode with an integrated positive and negative electrode structure is provided for this utility model;
[0017] Figure 2 This invention presents a three-dimensional structural diagram of an electrode with an integrated positive and negative electrode structure.
[0018] Legend: 1. Pipeline; 2. Bottom plate; 3. Sheath; 4. Electrode contact; 5. Isolation plate; 6. Connecting strip; 7. Lead reinforcement strip. Detailed Implementation
[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0021] Example 1: As Figure 1 and Figure 2 As shown, this utility model provides an electrode with an integrated positive and negative electrode structure, including several tubes 1 arranged linearly. The tubes 1 are hollow structures with both ends open. A sheath 3 is provided at the top of the tube 1, and a bottom plate 2 is provided at the bottom of the tube 1. There are two sheaths 3, which are symmetrically arranged on both sides of the tube 1. Lead ribs 7 are fixedly connected to the bottom surface of each sheath 3. The lead ribs 7 extend from the top to the bottom of the tube 1. The position of the lead ribs 7 corresponds one-to-one with the arrangement of the tubes 1. The outer layer of the lead ribs 7 is wrapped with an active material.
[0022] The specific setup and function of this embodiment will be described in detail below. Traditional battery polarity mechanisms involve an assembly structure of a negative plate, a separator, a positive plate, a separator, and another negative plate, and so on. This assembly method is very cumbersome and increases the cost of using separators. Traditional battery polarity mechanisms use paste-coated mesh plates, which can lead to powder shedding of the active material. In this technical solution, an integrated positive and negative electrode structure is adopted. The lead rib 7 runs from the top to the bottom of the tube 1, eliminating the need for separators to divide the structure. This reduces the cost of using separators and makes assembly easier. Several tubes 1 are arranged in a row, with one side being the positive electrode sheath 3 and the other side being the negative electrode sheath 3. The two sheaths 3 are separated by a separator 5, achieving the effect of integrated positive and negative electrode assembly. In addition, the tubes 1 encapsulate the active material, preventing powder shedding. Even if powder shedding occurs, the active material is still covered by the tubes 1, greatly increasing the service life.
[0023] Example 2: Figure 1 and Figure 2 As shown, the active material used for the positive electrode is lead dioxide or capacitor-grade activated carbon, and the active material used for the negative electrode is elemental lead powder and carbon material. The active materials are respectively filled into the pipe 1, and current conduction is achieved through lead reinforcing bars 7. An isolation plate 5 is provided between the two sheaths 3 to isolate and prevent short circuits between the positive and negative electrodes. A connecting bar 6 is provided on the side wall of the pipe 1, and the two pipes 1 are connected by the connecting bar 6.
[0024] An electrode contact 4 is installed at one end of the sheath 3, through which current is conducted. The bottom plate 2 and the sheath 3 are fixedly connected by an elastic rubber ring. The outer diameter of the lead reinforcing strip 7 is in the range of 0.5-2mm, and the inner diameter of the pipe 1 is in the range of 8-15mm.
[0025] The overall effect of this embodiment is that the elastic rubber ring is similar to a rubber band structure, which is used to clamp the bottom plate 2 and the sheath 3 at both ends to prevent them from detaching from the pipe 1. The pipe 1 is connected by the connecting strip 6. The number of pipes 1 can be increased as needed. The newly added pipes 1 can be glued together. Due to the electrochemical properties, the thinner the lead strip 7 is, the more active material is added, and the more electricity is stored, which is suitable for power storage. The thicker the pipe 1 is, the more suitable it is for high current discharge. When needed, charging and discharging can be achieved by clamping the two ends of the electrode plate with a container.
[0026] The device is used and operates as follows: Several hollow tubes 1 are arranged linearly and connected at both ends. Two symmetrical sheaths 3 are installed at the top of each tube, and a bottom plate 2 is installed at the bottom. The bottom plate 2 is fixed to the sheaths 3 by an elastic rubber ring. Lead ribs 7 with an outer diameter of 0.5-2mm are fixedly connected to the bottom surface of the sheaths 3. The lead ribs 7 extend from the top to the bottom of the tubes 1 and their positions correspond one-to-one with the arrangement of the tubes 1. The outer layer is wrapped with active material, which fills the tubes 1 with an inner diameter of 8-15mm. The lead ribs 7 facilitate current conduction. An isolation plate 5 is installed between the two sheaths 3 to prevent short circuits between the positive and negative electrodes. A connecting strip 6 is installed on the side wall of the tubes 1 for composite connection. During use, the container clamps the two ends of the electrode plates to charge and discharge. The thinner the lead ribs 7, the more suitable they are for energy storage; the thicker the tubes 1, the more suitable they are for high-current discharge.
[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. An electrode with an integrated positive and negative electrode structure, characterized in that: It includes several pipes (1), which are arranged linearly. Each pipe (1) is a hollow structure with both ends open. A sheath (3) is provided at the top of each pipe (1), and a bottom plate (2) is provided at the bottom of each pipe (1). There are two sheaths (3), which are symmetrically arranged on both sides of the pipe (1). Lead reinforcing strips (7) are fixedly connected to the bottom surface of each sheath (3). The lead reinforcing strips (7) extend from the top to the bottom of the pipe (1). The position of the lead reinforcing strips (7) corresponds one-to-one with the arrangement position of the pipes (1). The outer layer of the lead reinforcing strips (7) is wrapped with active material.
2. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: The active material used for the positive electrode is lead dioxide, and the active material used for the negative electrode is elemental lead powder. The active materials are filled in the pipe (1) and the current is conducted through the lead ribs (7).
3. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: An isolation plate (5) is provided between the two sheaths (3), and the isolation plate (5) is used to isolate and prevent short circuit between the positive and negative poles.
4. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: The side wall of the pipe (1) is provided with a connecting strip (6), and the two pipes (1) are connected by the connecting strip (6).
5. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: One end of the sheath (3) is equipped with an electrode contact (4), through which current is conducted.
6. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: The bottom plate (2) and the sheath (3) are fixedly connected by an elastic rubber ring.
7. An electrode with an integrated positive and negative electrode structure according to claim 1, characterized in that: The outer diameter of the lead reinforcing bar (7) is in the range of 0.5-2mm, and the inner diameter of the pipe (1) is in the range of 8-15mm.