Battery cell module

Abstract

According to the battery cell module provided by the invention, when electric energy needs to be released or used, the electric energy is transmitted to the total positive output piece and the total negative output piece through the tabs of the battery cells. And the total positive output piece and the total negative output piece are isolated from the battery cell group through the insulating piece, so that safe transmission of electric energy is ensured, and electric breakdown and electric arcs are avoided. And the total positive output piece and the total negative output piece concentrate the electric energy and transmit the electric energy to a circuit or equipment outside the battery module. The insulating parts are introduced between the battery cell group and the total positive output part and between the battery cell group and the total negative output part, so that electric breakdown and electric arc are effectively avoided, and the safety of the whole battery module is greatly enhanced. Battery damage caused by electric breakdown and electric arc is reduced, and the service life of the battery is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core modules, and in particular to a battery core module. Background Art

[0002] In electric vehicles, the energy density, lifespan and reliability of battery cell modules directly affect the vehicle's range, safety and overall performance.

[0003] A battery module consists of multiple cells, each with a positive and negative electrode. The tabs are typically attached to the current collector layer by welding or other means. All the positive and negative electrodes are then connected via two corresponding busbars to form a total positive and negative electrode.

[0004] Existing battery modules usually stack multiple battery cells together, and there will be electrical breakdown between the battery cells. When the distance between the total positive, total negative and the battery cells is very short, the total positive or total negative will form an arc with the battery cells to cause electrical breakdown. Electrical breakdown may cause arc formation, which is a phenomenon in which current flows through the breakdown point, causing battery destruction. Secondly, it may cause material damage, fire or other safety issues. Utility Model Content

[0005] In view of this, it is necessary to provide a battery cell module to solve the above problems.

[0006] An embodiment of the present application provides a battery cell module, comprising:

[0007] Battery cell pack;

[0008] A total positive output component, electrically connected to the positive electrode of the battery cell group;

[0009] a total negative output component, electrically connected to the negative electrode of the battery cell group;

[0010] an insulating member, provided on a side of the battery cell group located on the insulating member, the total positive output member and the total negative output member being located on a side of the insulating member away from the battery cell group;

[0011] Wherein, the insulating member is used to separate the total positive output member and the total negative output member from the battery cell group.

[0012] In at least one embodiment of the present application, in a direction from the total positive output element to the battery cell group, the insulating element partially blocks the battery cell group.

[0013] In at least one embodiment of the present application, the total positive output element and the total negative output element are located at two ends of the same side of the insulating element.

[0014] In at least one embodiment of the present application, a total positive slot and a total negative slot are respectively provided at both ends of the insulating member, one end of the total positive output member is electrically connected to the positive electrode of the battery cell group, and the other end passes through the total positive slot and extends to the outside;

[0015] One end of the total negative output member is electrically connected to the negative electrode of the battery cell group, and the other end passes through the total negative tank and extends to the outside.

[0016] In at least one embodiment of the present application, a first protrusion is protruding from the insulating member, the first protrusion is extended away from the battery cell group, and the first protrusion is arranged around the main positive slot.

[0017] In at least one embodiment of the present application, the total positive output element includes:

[0018] a first connector, one end of which is electrically connected to the positive electrode of the battery cell group and the other end of which extends into the main positive tank;

[0019] A main positive terminal has one end received in the main positive slot and electrically connected to the first connector, and the other end passes through the main positive slot and extends to the outside.

[0020] In at least one embodiment of the present application, a second protrusion is protruding from the insulating member, the second protrusion is extended away from the battery cell group, and the second protrusion is arranged around the main negative slot.

[0021] In at least one embodiment of the present application, the total negative output member includes:

[0022] a second connector, one end of which is electrically connected to the negative electrode of the battery cell group and the other end of which extends into the main negative tank;

[0023] A total negative terminal has one end received in the total negative tank and electrically connected to the second connector, and the other end passes through the total negative tank and extends to the outside.

[0024] In at least one embodiment of the present application, a clamping plate is protruded from one side of the insulating member close to the battery cell group, and a clamping position is provided at one end of the battery cell group close to the insulating member, and the clamping plate is engaged with the clamping position.

[0025] In at least one embodiment of the present application, the battery cell module further includes:

[0026] The shell is formed with a mounting cavity, the battery cell group and the insulating member are both arranged in the mounting cavity, the shell is provided with a first slot and a second slot, one end of the total positive output member is accommodated in the mounting cavity, and the other end extends to the outside through the first slot, and one end of the total negative output member is accommodated in the mounting cavity, and the other end extends to the outside through the second slot.

[0027] In the battery cell module described above, when electrical energy needs to be released or used, it is transmitted through the tabs of each cell to the main positive and negative output components. These components are isolated from the cell pack by insulating members, ensuring safe transmission of electrical energy and preventing electrical breakdown and arcing. The main positive and negative output components then concentrate and transmit the electrical energy to circuits or devices outside the battery module.

[0028] By introducing insulation between the cell pack and the main positive and negative output components, electrical breakdown and arcing are effectively avoided, greatly enhancing the safety of the entire battery module. This reduces battery damage caused by electrical breakdown and arcing, and extends the battery life. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of the structure of the battery module in this embodiment;

[0030] Figure 2 for Figure 1 Exploded diagram of the CEC cell module;

[0031] Figure 3 for Figure 2 Schematic diagram of the structure of the middle insulation part;

[0032] Figure 4 for Figure 3 Another perspective structural diagram of the middle insulating member;

[0033] Figure 5 for Figure 2 Schematic diagram of the middle part structure;

[0034] Figure 6 for Figure 1 Cross-sectional view of a cell module.

[0035] Description of main component symbols

[0036] 100. Battery cell module;

[0037] 110, battery cell assembly; 110a, latching position;

[0038] 120, total positive output member; 121, first connecting member; 122, total positive terminal;

[0039] 130. Total negative output member; 131. Second connecting member; 132. Total negative terminal;

[0040] 140, insulating member; 140a, total positive slot; 140b, total negative slot; 141, first protrusion; 142, second protrusion; 143, clamping plate;

[0041] 150, housing; 150a, mounting cavity; 150b, first slot; 150c, second slot. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0043] It should be noted that when a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component. The terms "top", "bottom", "upper", "lower", "left", "right", "front", "back", and similar expressions used herein are for illustrative purposes only.

[0044] The following embodiments of the present application are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features therein may be combined with each other.

[0045] An embodiment of the present application provides a battery cell module 100, comprising:

[0046] Battery cell group 110;

[0047] A total positive output component 120 is electrically connected to the positive electrode of the battery cell group 110;

[0048] a total negative output component 130 , electrically connected to the negative electrode of the battery cell group 110 ;

[0049] The insulating member 140 is provided on one side of the cell group 110 , and the total positive output member 120 and the total negative output member 130 are located on a side of the insulating member 140 away from the cell group 110 ;

[0050] The insulating member 140 is used to separate the total positive output member 120 and the total negative output member 130 from the battery cell group 110 .

[0051] Please refer to Figures 1-6 In this embodiment, when electrical energy needs to be released or used, it is transmitted through the tabs of each battery cell to the total positive output element 120 and the total negative output element 130. The total positive output element 120 and the total negative output element 130 are isolated from the battery cell group 110 by an insulating member 140, thereby ensuring safe transmission of electrical energy and preventing electrical breakdown and arcing. The total positive output element 120 and the total negative output element 130 collect and transmit the electrical energy to circuits or devices outside the battery module.

[0052] By introducing an insulating member 140 between the cell assembly 110 and the main positive output element 120 and the main negative output element 130, electrical breakdown and arcing are effectively avoided, greatly enhancing the safety of the entire battery module. This reduces battery damage caused by electrical breakdown and arcing, and extends the battery life.

[0053] It should be noted that the insulating member 140 is provided on one side of the battery cell group 110 , and the total positive output member 120 and the total negative output member 130 are located on the other side of the insulating member 140 , and are electrically connected to the positive and negative electrodes of the battery cell group 110 respectively.

[0054] The insulating member 140 is used to separate the total positive output member 120 and the total negative output member 130 from the battery cell group 110 to reduce the risk of electrical breakdown.

[0055] The total positive output element 120 and the total negative output element 130 are located on the same side of the insulating element 140 , but at two ends thereof, which helps to optimize space utilization and simplify design.

[0056] The battery cell group 110 is the basis of the battery cell module 100 and is composed of a plurality of battery cell groups 110. Each battery cell includes a positive electrode and a negative electrode, which are responsible for storing and releasing electrical energy.

[0057] The main positive output element 120 is electrically connected to all positive electrodes of the battery cell group 110. It collects the electrical energy from all positive electrodes and transmits it in a centralized manner. It is made of conductive materials such as copper, aluminum, and iron.

[0058] The total negative output element 130 is connected to all negative electrodes, collects the electrical energy of all negative electrodes for output, and is made of conductive materials such as copper, aluminum, iron, etc.

[0059] Insulator 140 is located on one side of cell assembly 110 and separates the main positive output element 120 and the main negative output element 130 from cell assembly 110 to prevent electrical breakdown and arcing. It is made of an insulating material, such as polyvinyl chloride, polyethylene, polytetrafluoroethylene, natural rubber, or butyl rubber.

[0060] This ensures the safe transmission of electrical energy and avoids electrical breakdown and arcing. The total positive output element 120 and the total negative output element 130 collect and transmit electrical energy to circuits or devices outside the battery module.

[0061] The insulating member 140 is plate-shaped.

[0062] In at least one embodiment of the present application, in a direction from the total positive output element 120 to the battery cell group 110 , the insulating element 140 partially blocks the battery cell group 110 .

[0063] Please refer to Figures 1-6In this embodiment, during operation of the battery module 100, the main positive output element 120 and the cell group 110 are not simply isolated, but the cell group 110 is partially shielded in the direction from the main positive output element 120 to the cell group 110. The insulating member 140 protects the cell group 110 from direct electrical breakdown while also allowing electrical energy to be safely transmitted from the cell group 110 to the main positive output element 120 and the main negative output element 130. The physical properties of the insulating member 140 are utilized to ensure the safe operation of the battery module.

[0064] It effectively prevents the occurrence of electrical breakdown and arcing, especially under high-voltage operating conditions, and improves the safety of the overall battery module.

[0065] By precisely arranging the insulating member 140 between the total positive output member 120 and the battery cell group 110 , necessary safety isolation is provided without sacrificing power transmission efficiency.

[0066] Battery failures due to electrical breakdown or arcing are reduced, thereby extending the service life of the battery module and reducing maintenance costs.

[0067] In at least one embodiment of the present application, the total positive output element 120 and the total negative output element 130 are located at two ends of the same side of the insulating element 140 .

[0068] Please refer to Figures 1-6 In this embodiment, the total positive output element 120 and the total negative output element 130 are disposed on the same side of the insulating element 140 , but are located at both ends.

[0069] The total positive output element 120 and the total negative output element 130 are disposed on the same side of the insulating element 140 , but are located at opposite ends thereof.

[0070] The insulating member 140 is located on one side of the battery cell group 110 , and the total positive output member 120 and the total negative output member 130 are located on the other side of the insulating member 140 .

[0071] Provides electrical isolation to prevent electrical breakdown and arcing.

[0072] In at least one embodiment of the present application, a total positive slot 140a and a total negative slot 140b are respectively formed at both ends of the insulating member 140. One end of the total positive output member 120 is electrically connected to the positive electrode of the battery cell group 110, and the other end passes through the total positive slot 140a and extends to the outside.

[0073] One end of the total negative output member 130 is electrically connected to the negative electrode of the battery cell group 110 , and the other end thereof passes through the total negative tank 140 b and extends to the outside.

[0074] In at least one embodiment of the present application, a first protrusion 141 is protruding from the insulating member 140 . The first protrusion 141 extends away from the battery cell group 110 . The first protrusion 141 is disposed around the main positive groove 140 a .

[0075] In at least one embodiment of the present application, the total positive output element 120 includes:

[0076] A first connector 121, one end of which is electrically connected to the positive electrode of the battery cell group 110, and the other end of which extends into the main positive tank 140a;

[0077] The main positive terminal 122 has one end received in the main positive slot 140 a and electrically connected to the first connector 121 , and the other end passes through the main positive slot 140 a and extends to the outside.

[0078] Please refer to Figures 1-6 In this embodiment, a total positive slot 140 a and a total negative slot 140 b are respectively formed at both ends of the insulating member 140 .

[0079] The total positive tank 140 a and the total negative tank 140 b provide physical channels for connecting the total positive output element 120 and the total negative output element 130 to the battery cell group 110 while maintaining isolation between the two.

[0080] The total positive output element 120 and the total negative output element 130 are electrically connected to the positive and negative electrodes of the battery cell group 110, respectively, to ensure that electrical energy is safely and efficiently transmitted from the battery cell group 110 to the output end.

[0081] The insulating member 140 is provided with a first protrusion 141, which is arranged around the main positive groove 140a to improve the structural strength and further isolate and protect the connection point.

[0082] The total positive output member 120 includes a first connection member 121 and a total positive terminal 122 .

[0083] The first connector 121 is connected to the positive electrode of the battery cell group 110 , and the main positive terminal 122 extends through the main positive slot 140 a to the outside, providing a stable electrical connection.

[0084] The addition of the first protrusion 141 improves the mechanical stability of the entire module and reduces the risk of damage due to vibration or impact.

[0085] Effective isolation and physical layout reduce electrical noise and interference, improving overall performance.

[0086] It should be noted that the first protrusion 141 has a concave shape.

[0087] In the battery cell module 100, electrical energy is first generated and stored in the battery cell group 110. When output is required, the electrical energy is transmitted through the total positive output member 120 and the total negative output member 130. The design of the total positive slot 140a and the total negative slot 140b in the insulating member 140 ensures the safety and efficiency of this transmission process while reducing electrical interference. The provision of the first protrusion 141 enhances the stability of the structure and provides additional isolation to prevent electrical breakdown and arcing. The design of the total positive output member 120 and the total negative output member 130 allows electrical energy to effectively reach the external circuit from the battery cell group 110.

[0088] In at least one embodiment of the present application, a second protrusion 142 is protruding from the insulating member 140 . The second protrusion 142 extends away from the battery cell group 110 . The second protrusion 142 is disposed around the main negative groove 140 b .

[0089] In at least one embodiment of the present application, the total negative output member 130 includes:

[0090] A second connector 131 , one end of which is electrically connected to the negative electrode of the battery cell group 110 , and the other end of which extends into the main negative tank 140 b ;

[0091] One end of the main negative terminal 132 is received in the main negative tank 140 b and electrically connected to the second connector 131 , and the other end passes through the main negative tank 140 b and extends to the outside.

[0092] Please refer to Figures 1-6 In this embodiment, a second protrusion 142 is designed on the insulating member 140 . The second protrusion 142 is arranged around the main negative groove 140 b and extends in a direction away from the battery cell group 110 .

[0093] It is used to provide additional physical isolation, enhance structural strength, and protect the main negative tank 140b and connection points.

[0094] The total negative output member 130 includes a second connector 131 and a total negative terminal 132. The second connector 131 electrically connects the negative electrode of the cell group 110 to the total negative tank 140b, while the total negative terminal 132 extends through the total negative tank 140b to the outside, providing a stable electrical connection.

[0095] In this embodiment of the battery cell module 100, electrical energy is first generated and stored within the battery cell assembly 110. When output is needed, the energy is transmitted via the main negative output element 130. The second protrusion 142 not only provides necessary electrical isolation but also enhances structural stability, reducing the risk of electrical breakdown and arcing. The design of the main negative output element 130 allows for efficient transmission of electrical energy from the negative terminal of the battery cell assembly 110 to the external circuit.

[0096] The second protrusion 142 increases the physical isolation between the battery pack 110 and the main negative output element 130, effectively preventing electrical breakdown and arcing. The effective isolation and physical layout reduce electrical noise and interference, improving overall performance.

[0097] It should be noted that the first convex portion 141 and the second convex portion 142 have the same shape.

[0098] In at least one embodiment of the present application, a clamping plate 143 is protruded from one side of the insulating member 140 close to the battery cell group 110 , and a clamping position 110 a is provided at one end of the battery cell group 110 close to the insulating member 140 , and the clamping plate 143 is engaged with the clamping position 110 a .

[0099] Please refer to Figures 1-6 In this embodiment, a protruding clamping plate 143 is designed on one side of the insulating member 140 , and a matching clamping position 110 a is designed at a corresponding position of the battery cell group 110 .

[0100] The design of the clamping plate 143 and the clamping position 110a is used to fix the battery cell group 110 and the insulating member 140, ensuring stability and correct relative position between them. Fixing the battery cell group 110 and the insulating member 140 reduces relative movement between them.

[0101] When the clamping plate 143 is engaged with the clamping position 110 a , the battery cell group 110 is stably fixed beside the insulating member 140 , thereby ensuring the overall stability and reliability of the battery module.

[0102] In at least one embodiment of the present application, the battery cell module 100 further includes:

[0103] The shell 150 is formed with a mounting cavity 150a, and the battery cell group 110 and the insulating member 140 are both arranged in the mounting cavity 150a. The shell 150 is provided with a first slot 150b and a second slot 150c. One end of the total positive output member 120 is accommodated in the mounting cavity 150a, and the other end extends to the outside through the first slot 150b. One end of the total negative output member 130 is accommodated in the mounting cavity 150a, and the other end extends to the outside through the second slot 150c.

[0104] Please refer to Figures 1-6 In this embodiment, the battery cell assembly 110 and insulating member 140 are housed within the mounting cavity 150a of the housing 150, ensuring their stability and protection. The main positive output member 120 and the main negative output member 130 extend from the interior of the mounting cavity 150a through the first slot 150b and the second slot 150c, respectively, to the exterior. This not only protects the battery connection points but also facilitates power output. This makes the battery cell module 100 both safe and practical, suitable for use in a variety of applications.

[0105] The design of the housing 150 and the mounting cavity 150 a enhances the physical stability and durability of the entire battery cell module 100 .

[0106] The mounting cavity 150 a provides additional protection for the battery cell assembly 110 and the insulating member 140 , preventing them from physical damage and environmental factors.

[0107] The physical isolation provided by the housing 150 reduces the risk of electrical accidents and increases safety during use.

[0108] The first groove 150 b and the second groove 150 c provide passages for the main positive output member 120 and the main negative output member 130 to extend from the inside to the outside of the mounting cavity 150 a .

[0109] The mounting cavity 150 a is used to accommodate the battery cell assembly 110 and the insulating member 140 , provide physical protection, and help maintain the overall structure of the battery cell assembly 110 .

[0110] The locking position 110a is an inwardly concave groove.

[0111] Thus, a battery cell module 100 is provided, comprising:

[0112] Battery cell group 110;

[0113] A total positive output component 120 is electrically connected to the positive electrode of the battery cell group 110;

[0114] a total negative output component 130 , electrically connected to the negative electrode of the battery cell group 110 ;

[0115] The insulating member 140 is provided on one side of the cell group 110 , and the total positive output member 120 and the total negative output member 130 are located on a side of the insulating member 140 away from the cell group 110 ;

[0116] The insulating member 140 is used to separate the total positive output member 120 and the total negative output member 130 from the battery cell group 110 .

[0117] Please refer to Figures 1-6 In this embodiment, when electrical energy needs to be released or used, it is transmitted through the tabs of each battery cell to the total positive output element 120 and the total negative output element 130. The total positive output element 120 and the total negative output element 130 are isolated from the battery cell group 110 by an insulating member 140, thereby ensuring safe transmission of electrical energy and preventing electrical breakdown and arcing. The total positive output element 120 and the total negative output element 130 collect and transmit the electrical energy to circuits or devices outside the battery module.

[0118] By introducing an insulating member 140 between the cell assembly 110 and the main positive output element 120 and the main negative output element 130, electrical breakdown and arcing are effectively avoided, greatly enhancing the safety of the entire battery module. This reduces battery damage caused by electrical breakdown and arcing, and extends the battery life.

[0119] The above is only an implementation method of the present application. It should be pointed out that for ordinary technicians in this field, improvements can be made without departing from the creative concept of the present application, but these all fall within the scope of protection of the present application.

Claims

1. A battery cell module, characterized in that: include: Battery cell group; A total positive output component, electrically connected to the positive electrode of the battery cell group; A total negative output component, electrically connected to the negative electrode of the battery cell group; An insulating member is provided on a side of the battery cell group located on the insulating member, and the total positive output member and the total negative output member are located on a side of the insulating member away from the battery cell group; Wherein, the insulating member is used to separate the total positive output member and the total negative output member from the battery cell group.

2. The battery cell module according to claim 1, characterized in that: In a direction from the total positive output member to the battery cell group, the insulating member partially shields the battery cell group.

3. The battery cell module according to claim 1, characterized in that: The total positive output member and the total negative output member are located at two ends of the same side of the insulating member.

4. The battery cell module according to claim 1, characterized in that: The two ends of the insulating member are respectively provided with a total positive slot and a total negative slot, one end of the total positive output member is electrically connected to the positive electrode of the battery cell group, and the other end passes through the total positive slot and extends to the outside; One end of the total negative output member is electrically connected to the negative electrode of the battery cell group, and the other end thereof passes through the total negative tank and extends to the outside.

5. The battery cell module according to claim 4, characterized in that: A first convex portion is protrudingly provided on the insulating member, and the first convex portion is formed to extend away from the battery cell group, and the first convex portion is arranged around the main positive groove.

6. The battery cell module according to claim 5, characterized in that: The total positive output includes: A first connector, one end of which is electrically connected to the positive electrode of the battery cell group and the other end of which extends into the main positive tank; A main positive terminal has one end received in the main positive slot and electrically connected to the first connector, and the other end passes through the main positive slot and extends to the outside.

7. The battery cell module according to claim 4, characterized in that: A second convex portion is protrudingly provided on the insulating member, the second convex portion is extended away from the battery cell group, and the second convex portion is arranged around the main negative slot.

8. The battery cell module according to claim 7, characterized in that: The total negative output member comprises: A second connector, one end of which is electrically connected to the negative electrode of the battery cell group and the other end of which extends into the main negative tank; A total negative terminal has one end received in the total negative slot and electrically connected to the second connector, and the other end passes through the total negative slot and extends to the outside.

9. The battery cell module according to claim 1, characterized in that: A clamping plate is protruded from one side of the insulating member close to the battery cell group, and a clamping position is provided at one end of the battery cell group close to the insulating member, and the clamping plate is clamped with the clamping position.

10. The battery cell module according to claim 1, characterized in that: The battery module also includes: The shell is formed with an installation cavity, the battery cell group and the insulating member are both arranged in the installation cavity, the shell is provided with a first groove and a second groove, one end of the total positive output member is accommodated in the installation cavity, and the other end passes through the first groove and extends to the outside, and one end of the total negative output member is accommodated in the installation cavity, and the other end passes through the second groove and extends to the outside.

Images