Battery electrode oxidation protection cover
By using the electrode housing channel composed of the lower and upper shells, combined with corrosion-resistant materials and a sealing structure, the problem of electrode oxidation is solved, achieving effective battery protection and easy installation, and extending the battery's service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG ONE PLUS ONE NEW ENERGY TECHNOLOGY CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-07-07
AI Technical Summary
Existing battery electrode protection devices cannot effectively prevent external oxygen, moisture and corrosive gases from contacting the electrodes, and they are complex in structure, difficult to install and maintain, and have limited corrosion resistance.
The electrode receiving channel consists of a lower and upper housing, combined with a sealing structure of gaskets and stuffing boxes. Corrosion-resistant materials such as polytetrafluoroethylene are used, and simple installation and disassembly are achieved through threaded and bolted connections.
It effectively prevents external oxygen, moisture and corrosive gases from contacting the electrodes, extends battery life, reduces maintenance difficulty and cost, and ensures the stability and reliability of the protective cover in harsh environments.
Smart Images

Figure CN224472657U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of battery protection equipment technology, and in particular relates to a battery electrode anti-oxidation protective cover. Background Technology
[0002] Electrode oxidation is a common and serious problem during battery use. It leads to increased internal resistance, decreased capacity, and reduced charge / discharge efficiency, thus affecting battery performance and lifespan. The oxidation process is particularly rapid in certain environments, such as humid, high-temperature, or corrosive environments.
[0003] Currently, existing battery electrode protection devices on the market have some shortcomings. Some devices have poor sealing performance, failing to effectively prevent external oxygen, moisture, and corrosive gases from contacting the electrodes, leading to continued electrode oxidation. Other devices, while offering some protection, are complex in structure, difficult to install and maintain, increasing operating costs and complexity. Furthermore, some devices have limited corrosion resistance, easily corroding and failing to protect the electrodes over long-term use. Therefore, there is an urgent need for a protective cover that effectively prevents battery electrode oxidation, has a simple structure, and excellent corrosion resistance. Utility Model Content
[0004] The purpose of this invention is to provide a battery electrode anti-oxidation protective cover, which aims to solve the technical problems in the prior art that it cannot effectively prevent external oxygen, moisture and corrosive gases from contacting the electrodes, but has a complex structure, is difficult to install and maintain, and is easily corroded and damaged.
[0005] To achieve the above objectives, the battery electrode anti-oxidation protective cover provided in this utility model embodiment includes a lower shell, an upper shell, a gasket, a cover, and a stuffing box. The lower shell is connected to the upper shell, the gasket is disposed between the upper shell and the cover and is connected to the upper shell and the cover respectively, and the stuffing box is connected to the cover.
[0006] The lower housing is provided with a lower receiving groove, and the upper housing is provided with an upper receiving groove. The lower receiving groove is connected to the upper receiving groove and forms an electrode receiving channel. Both the lower housing and the upper housing are provided with an anti-corrosion layer on their outer sides. The anti-corrosion layer is made of a corrosion-resistant material.
[0007] The gasket has a material passage in the middle;
[0008] The stuffing box includes a stuffing box body and a stuffing box nut. The stuffing box body is threadedly connected to the cover, and the stuffing box nut is threadedly connected to the stuffing box body. The stuffing box body has a lower stuffing cavity that communicates with the cover. The stuffing box nut has an upper stuffing cavity that communicates with the lower stuffing cavity and forms a stuffing channel. The material passage is connected to the cover and the upper receiving groove, respectively.
[0009] As an optional embodiment of this invention, the corrosion-resistant material is polytetrafluoroethylene (PTFE).
[0010] As an optional solution of this utility model, a fixing bolt is provided between the gasket and the cover. The fixing bolt passes through the gasket and the cover in sequence, and a fixing nut is threaded onto the fixing bolt. The fixing nut abuts against the cover.
[0011] As an optional embodiment of this invention, the wall thickness of the lower shell and the upper shell is 3-8 mm.
[0012] As an optional solution of this utility model, the stuffing box body is provided with a stuffing plug, the stuffing plug is fixedly connected to the stuffing box body, the stuffing plug is provided with a discharge channel, and the discharge channel is connected to the lower stuffing cavity.
[0013] The above-mentioned technical solutions in the battery electrode anti-oxidation protective cover provided in this embodiment of the utility model have at least one of the following technical effects:
[0014] The battery electrode anti-oxidation protective cover provided in this application encloses the battery electrodes through the electrode receiving channel formed by the lower and upper shells. Combined with the sealing effect of gaskets and stuffing boxes, it effectively prevents external oxygen, moisture, and corrosive gases from contacting the electrodes, thereby significantly reducing the risk of electrode oxidation and extending battery life. The anti-corrosion layer on the outer side of the lower and upper shells uses corrosion-resistant materials such as polytetrafluoroethylene (PTFE), which can resist the erosion of various chemicals, ensuring that the protective cover can be used for a long time in harsh environments without damage, thus improving the reliability and stability of the protective cover. Common connection methods such as threaded connections and bolt connections are used between the components, resulting in a simple structure that is easy to install and disassemble. When it is necessary to inspect or maintain the electrodes, the protective cover can be easily opened, making operation convenient and reducing usage costs and maintenance difficulty. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 A perspective view of the battery electrode anti-oxidation protective cover provided in an embodiment of this utility model.
[0017] Figure 2 This is a side view of the battery electrode anti-oxidation protective cover provided in an embodiment of the present invention.
[0018] Figure 3 for Figure 2 Sectional view along the middle AA.
[0019] The following are the labeling elements in the figure:
[0020] 1. Lower housing; 2. Upper housing; 3. Gasket; 4. Cover; 5. Stuffing gland;
[0021] 11. Lower receiving tank; 12. Anti-corrosion layer;
[0022] 21. Upper receiving tank;
[0023] 31. Material conveying channel;
[0024] 41. Fixing bolts; 42. Fixing nuts;
[0025] 51. Stuffing gland body; 52. Stuffing gland nut; 53. Stuffing plug;
[0026] 511. Lower packing cavity;
[0027] 521. Upper packing cavity;
[0028] 531. Material feeding channel. Detailed Implementation
[0029] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of this utility model, and should not be construed as limiting the utility model.
[0030] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0032] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0033] In one embodiment of this utility model, such as Figures 1-3 As shown, a battery electrode anti-oxidation protective cover is provided, including a lower housing 1, an upper housing 2, a gasket 3, a cover 4, and a stuffing box 5. The lower housing 1 is connected to the upper housing 2. The gasket 3 is disposed between the upper housing 2 and the cover 4 and is connected to the upper housing 2 and the cover 4 respectively. The stuffing box 5 is connected to the cover 4.
[0034] The lower housing 1 is provided with a lower receiving groove 11, and the upper housing 2 is provided with an upper receiving groove 21. The lower receiving groove 11 and the upper receiving groove 21 are connected to form an electrode receiving channel. Both the lower housing 1 and the upper housing 2 are provided with an anti-corrosion layer 12 on their outer sides, and the anti-corrosion layer 12 is made of corrosion-resistant material. The gasket 3 is provided with a material passage channel 31 in the middle.
[0035] The stuffing box 5 includes a stuffing box body 51 and a stuffing box nut 52. The stuffing box body 51 is threadedly connected to the cover 4, and the stuffing box nut 52 is threadedly connected to the stuffing box body 51. The stuffing box body 51 has a lower stuffing cavity 511, which is connected to the cover 4. The stuffing box nut 52 has an upper stuffing cavity 521, which is connected to the upper stuffing cavity 521, forming a stuffing channel. The material passage 31 is connected to the cover 4 and the upper receiving groove 21, respectively.
[0036] The protective cover isolates the battery electrodes from the external environment. The anti-corrosion layer 12 on the outer side of the lower housing 1 and the upper housing 2 is made of corrosion-resistant material (such as polytetrafluoroethylene), which can resist the erosion of the protective cover itself by external corrosive substances, ensuring the integrity and stability of the protective cover structure. The sealed structure prevents external oxygen, moisture and other corrosive gases from entering the electrode housing channel, so that the electrode is in a relatively stable, low-oxygen and dry environment, thereby slowing down the rate of electrode oxidation. If necessary, a protective gas (such as nitrogen or other inert gases) can be supplied to the electrode housing channel through the feed channel 31 to further reduce the oxygen content in the channel and enhance the anti-oxidation effect.
[0037] In another embodiment of this utility model, the corrosion-resistant material is polytetrafluoroethylene (PTFE), which has good structural strength and corrosion resistance.
[0038] In another embodiment of this utility model, a fixing bolt 41 is provided between the gasket 3 and the cover 4. The fixing bolt 41 passes through the gasket 3 and the cover 4 in sequence, and a fixing nut 42 is threaded onto the fixing bolt 41, which abuts against the cover 4. By tightening the fixing nut 42, the fixing bolt 41 applies pressure to the gasket 3 and the cover 4, causing the gasket 3 to be tightly compressed between the upper housing 2 and the cover 4. This allows the gasket 3 to better fill the tiny gap between the upper housing 2 and the cover 4, preventing external oxygen, moisture, and corrosive gases from entering the electrode receiving channel, thereby enhancing the sealing performance of the protective cover and providing more reliable anti-oxidation protection for the battery electrodes.
[0039] In another embodiment of this invention, the wall thickness of the lower housing 1 and the upper housing 2 is 3-8 mm, preferably 5 mm. This wall thickness increases the protective capability of the protective cover, helping to resist external physical damage, chemical corrosion, and possible electromagnetic interference. Especially for housings made of corrosion-resistant materials, increasing the wall thickness better utilizes the material's corrosion resistance, extends the service life of the protective cover, and ensures reliable protection throughout the entire service life of the battery electrodes.
[0040] In another embodiment of this utility model, a packing plug 53 is provided inside the stuffing box body 51. The packing plug 53 is fixedly connected inside the stuffing box body 51 and has a discharge channel 531 that communicates with the lower packing cavity 511. The packing plug 53, fixed inside the stuffing box body 51, further compresses the sealing packing in the lower packing cavity 511. When the stuffing box nut 52 is tightened, the packing plug 53 helps to evenly distribute the pressure, making the packing more densely distributed throughout the lower packing cavity 511, thereby filling the tiny gap between the electrode and the stuffing box 5, preventing external oxygen, moisture, and corrosive gases from entering the protective cover, enhancing the sealing performance of the protective cover, and effectively protecting the battery electrode from oxidation. Furthermore, during equipment operation, the electrode may experience slight vibration or displacement, which may cause the packing to move or even be extruded. The presence of the packing plug 53 can block the packing, preventing it from being extruded from the lower packing cavity 511, ensuring the stability and reliability of the sealing structure.
[0041] The battery electrode anti-oxidation protective cover provided in this application can effectively prevent external oxygen, moisture and corrosive gases from contacting the electrodes, thus extending the battery's service life. The anti-corrosion layer 12 on the outer side of the lower shell 1 and the upper shell 2 is made of corrosion-resistant materials such as polytetrafluoroethylene, which can resist the erosion of various chemicals. Common connection methods such as threaded connection and bolt connection are used between the components, which are simple in structure and easy to install and disassemble. When it is necessary to inspect or maintain the electrodes, the protective cover can be easily opened, which is convenient to operate and reduces the cost of use and maintenance difficulty.
[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A battery electrode anti-oxidation protective cover, characterized in that, The device includes a lower housing, an upper housing, a gasket, a cover, and a stuffing box. The lower housing is connected to the upper housing. The gasket is disposed between the upper housing and the cover and is connected to both the upper housing and the cover. The stuffing box is connected to the cover. The lower housing is provided with a lower receiving groove, and the upper housing is provided with an upper receiving groove. The lower receiving groove is connected to the upper receiving groove and forms an electrode receiving channel. Both the lower housing and the upper housing are provided with an anti-corrosion layer on their outer sides. The anti-corrosion layer is made of a corrosion-resistant material. The gasket has a material passage in the middle; The stuffing box includes a stuffing box body and a stuffing box nut. The stuffing box body is threadedly connected to the cover, and the stuffing box nut is threadedly connected to the stuffing box body. The stuffing box body has a lower stuffing cavity that communicates with the cover. The stuffing box nut has an upper stuffing cavity that communicates with the lower stuffing cavity and forms a stuffing channel. The material passage is connected to the cover and the upper receiving groove, respectively.
2. The battery electrode anti-oxidation protective cover according to claim 1, characterized in that, The corrosion-resistant material is polytetrafluoroethylene.
3. The battery electrode anti-oxidation protective cover according to claim 1, characterized in that, A fixing bolt is provided between the gasket and the cover. The fixing bolt passes through the gasket and the cover in sequence. A fixing nut is threaded onto the fixing bolt and abuts against the cover.
4. The battery electrode anti-oxidation protective cover according to claim 1, characterized in that, The wall thickness of the lower shell and the upper shell is 3-8 mm.
5. The battery electrode anti-oxidation protective cover according to claim 1, characterized in that, The stuffing box body is provided with a stuffing plug, which is fixedly connected to the stuffing box body. The stuffing plug is provided with a discharge channel, which is connected to the lower stuffing cavity.