CN223140841U - A low polarization conductivity system - Google Patents
A low polarization conductivity systemInfo
- Publication number
- CN223140841U CN223140841U CN202422146432.5U CN202422146432U CN223140841U CN 223140841 U CN223140841 U CN 223140841U CN 202422146432 U CN202422146432 U CN 202422146432U CN 223140841 U CN223140841 U CN 223140841U
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- electric field
- end plate
- conductance
- output terminal
- improved
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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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Abstract
The application provides a low-polarization electric conduction system which comprises a first external electric field end plate, a second external electric field end plate, an external power supply and an electric conduction device to be improved, wherein a first electrode end of the external power supply is connected with the first external electric field end plate, a second electrode end of the external power supply is connected with the second external electric field end plate, a first output terminal of the electric conduction device to be improved is connected with the first external electric field end plate, and a second output terminal of the electric conduction device to be improved is connected with the second external electric field end plate. The application has simple structural implementation mode, and is more beneficial to the ion transmission to the inside of the thick electrode by applying the forward electric field force to the ion in the transmission process from ion extraction to embedding, thereby reducing concentration polarization in electrolyte to improve electrode dynamics, and further effectively improving the multiplying power performance of the electric conduction device to be improved.
Description
Technical Field
The utility model belongs to the technical field of conductivity, and particularly relates to a low-polarization conductivity system.
Background
Along with the rapid development of novel energy technology in China, energy structures are gradually transformed, wherein lithium ion batteries are widely applied to the fields of new energy automobiles, industrial and commercial energy storage and the like, and high-voltage battery modules become core components. At present, the monomer electric core on the market generally adopts an internal parallel connection mode to improve the monomer capacity, and then realizes a high-voltage module through the serial connection among the monomer electric cores, and in the grouping process, auxiliary materials such as redundant wire harnesses and structural members exist, so that the high-integration development of the electric core is not facilitated. The single cell adopts an internal series connection mode, the electrodes are made into double electrodes, and the voltage of the single cell can be increased by times, but the capacity of the single cell with the structure is generally lower, and the capacity of the single cell needs to be increased through a thick electrode. However, the thick electrode can cause lengthening of the transmission path of lithium ions, which is unfavorable for lithium ion transmission, and affects the rate performance of the battery, so that the rate performance of the battery is poor.
Disclosure of utility model
The embodiment of the utility model provides a low-polarization electric conduction system, which aims to solve the problems of long lithium ion transmission path, poor battery multiplying power performance and the like caused by a thick electrode in the existing bipolar high-voltage battery structure. Through the structure of the utility model, the diffusion rate of ions can be effectively improved, the concentration polarization in the battery core can be reduced, the dynamics of the electrode can be improved, and the multiplying power performance of the battery can be improved.
In order to achieve the above objective, an embodiment of the present utility model provides a low polarization electrical conduction system, which includes a first external electric field end plate, a second external electric field end plate, an external power source, and an electrical conduction device to be improved, wherein a first electrode end of the external power source is connected with the first external electric field end plate, a second electrode end of the external power source is connected with the second external electric field end plate, a first output terminal of the electrical conduction device to be improved is connected with the first external electric field end plate, and a second output terminal of the electrical conduction device to be improved is connected with the second external electric field end plate.
As a preferred embodiment, the first externally applied electric field end plate and the second externally applied electric field end plate are symmetrically arranged.
In a preferred embodiment, when the low-polarization electric conduction system is in a charging state, the first electrode terminal is a positive electrode terminal, the second electrode terminal is a negative electrode terminal, the first output terminal is a positive electrode output terminal, and the second output terminal is a negative electrode output terminal.
As a preferred embodiment, when the low-polarization electric conduction system is in a charged state, the electric field direction of the external power supply is from the positive electrode of the electric conduction device to be improved to the negative electrode of the electric conduction device to be improved.
In a preferred embodiment, when the low-polarization electric conduction system is in a discharge state, the first electrode end is a negative electrode end, the second electrode end is a positive electrode end, the first output terminal is a positive electrode output terminal, and the second output terminal is a negative electrode output terminal.
As a preferred embodiment, when the low-polarization electric conduction system is in a discharge state, the electric field direction of the external power supply is from the negative electrode of the electric conduction device to be improved to the positive electrode of the electric conduction device to be improved.
As a preferred embodiment, the electrical conduction device to be increased is an electrical conduction device to be increased in ionic conductivity.
As a preferred embodiment, the electrical conductivity device to be increased comprises a bipolar cell or a conductivity system.
As a preferred embodiment, the bipolar battery cell comprises a plurality of battery cells connected in series.
As a preferred embodiment, the bipolar battery cell is a lithium ion battery cell, a sodium ion battery cell or a zinc ion battery cell.
According to the application, the external power supply is applied to the electric conduction device to be improved, so that the performance of the electric conduction device to be improved is improved by a physical method for driving the electric conduction device to be improved, the damage caused by the electric conduction device to be improved is small, and the advantages of the thick electrode can be fully exerted. The structure of the application has high adaptability to the existing high-voltage system, and the electric field is in a static state, so that the energy is not directly consumed. The application has simple structural implementation mode, and can realize the improvement of the performance of the electric conduction device to be improved without the complicated modes of optimizing the nano level of raw materials, optimizing the design of the micro level of the electrode and the like. In the application, the positive electric field force is applied to the ions in the transmission process from ion extraction to embedding, so that the ions are more beneficial to being transmitted into the thick electrode, the concentration polarization in the electrolyte is reduced, the electrode dynamics is improved, and the multiplying power performance of the electric conduction device to be improved is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a low polarization conductance system of one embodiment of the present utility model;
FIG. 2 is a schematic diagram of the low polarization conductance system of FIG. 1 in a discharged state;
Fig. 3 is a state schematic diagram of the low polarization conductance system of fig. 1 in a charged state.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, rear, top, bottom) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Specifically, as shown in fig. 1 to 3, the embodiment of the utility model provides a low-polarization electric conduction system, which comprises a first external electric field end plate 10, a second external electric field end plate 20, an external power supply 30 and an electric conduction device to be improved 40, wherein a first electrode end 31 of the external power supply 30 is connected with the first external electric field end plate 10, a second electrode end 32 of the external power supply 30 is connected with the second external electric field end plate 20, a first output terminal 41 of the electric conduction device to be improved 40 is connected with the first external electric field end plate 10, and a second output terminal 42 of the electric conduction device to be improved 40 is connected with the second external electric field end plate 20.
As a preferred embodiment, the first externally applied electric field end plate 10 and the second externally applied electric field end plate 20 are symmetrically disposed. Therefore, the stability of an electric field applied by an external power supply can be ensured, and the ion transmission to the inside of a thick electrode is facilitated, so that concentration polarization in electrolyte is reduced, electrode dynamics is improved, and the rate capability of the electric conduction device to be improved is effectively improved.
In a preferred embodiment, when the low-polarization electric conduction system is in a charged state, the first electrode terminal 31 is a positive electrode terminal, the second electrode terminal 32 is a negative electrode terminal, the first output terminal 41 is a positive electrode output terminal, and the second output terminal 42 is a negative electrode output terminal.
As a preferred embodiment, when the low polarization electrical conduction system is in a charged state, the electric field direction of the external power source 30 is directed from the positive electrode of the electrical conduction device 40 to be increased to the negative electrode of the electrical conduction device 40 to be increased.
In a preferred embodiment, when the low-polarization electric conduction system is in a discharge state, the first electrode terminal 31 is a negative electrode terminal, the second electrode terminal 32 is a positive electrode terminal, the first output terminal 41 is a positive electrode output terminal, and the second output terminal 42 is a negative electrode output terminal.
As a preferred embodiment, when the low polarization electric conduction system is in a discharge state, the electric field direction of the external power supply 30 is directed from the negative electrode of the electric conduction device 40 to be increased to the positive electrode of the electric conduction device 40 to be increased.
As a preferred embodiment, the to-be-increased conductance device 40 is a conductance device to be increased in ion conductivity.
As a preferred embodiment, the electrical conduction to be enhanced device 40 comprises a bipolar cell or a conductivity system. Specifically, in this embodiment, the to-be-increased conductance device 40 is a bipolar battery cell.
As a preferred embodiment, the bipolar battery cell comprises a plurality of battery cells connected in series.
As a preferred embodiment, the bipolar battery cell is a lithium ion battery cell, a sodium ion battery cell or a zinc ion battery cell. Specifically, in this embodiment, the bipolar battery cell is a lithium ion battery cell. It will be appreciated that in other embodiments, the bipolar cell may be a sodium ion battery cell, or a zinc ion battery cell, as desired for practical use.
As shown in fig. 2 to 3, when the electric conduction system of the present application is used for discharging, a positive charge source of an external power supply is applied to the outer side of the negative electrode of the electric conduction device to be improved, and a negative charge source of the external power supply is applied to the outer side of the positive electrode of the electric conduction device to be improved, so that the electric field direction points from the negative electrode of the electric conduction device to the positive electrode of the electric conduction device to be improved, and at this moment, after the lithium ions in the electric conduction device to be improved are separated from the negative electrode, the stress direction is that the negative electrode of the electric conduction device to be improved points to the positive electrode of the electric conduction device to be improved, so that the diffusion speed of the lithium ions due to the action of the electric field force is improved in the discharging process of the electric conduction device to be improved. When the lithium ion battery is charged, a negative charge source of an external power supply is applied to the outer side of the negative electrode of the electric conduction device to be improved, and a positive charge source of the external power supply is applied to the outer side of the positive electrode of the electric conduction device to be improved, so that the electric field direction points to the negative electrode of the electric conduction device to be improved from the positive electrode of the electric conduction device to be improved, and at the moment, after lithium ions in the electric conduction device to be improved are separated from the positive electrode, the stress direction is that the positive electrode of the electric conduction device to be improved points to the negative electrode of the electric conduction device to be improved, so that the diffusion speed of the lithium ions under the action of the electric field force is improved in the charging process of the electric conduction device to be improved.
According to the application, the external power supply is applied to the electric conduction device to be improved, so that the performance of the electric conduction device to be improved is improved by a physical method for driving the electric conduction device to be improved, the damage caused by the electric conduction device to be improved is small, and the advantages of the thick electrode can be fully exerted. The structure of the application has high adaptability to the existing high-voltage system, and the electric field is in a static state, so that the energy is not directly consumed. The application has simple structural implementation mode, and can realize the improvement of the performance of the electric conduction device to be improved without the complicated modes of optimizing the nano level of raw materials, optimizing the design of the micro level of the electrode and the like. In the application, the positive electric field force is applied to the ions in the transmission process from ion extraction to embedding, so that the ions are more beneficial to being transmitted into the thick electrode, the concentration polarization in the electrolyte is reduced, the electrode dynamics is improved, and the multiplying power performance of the electric conduction device to be improved is effectively improved.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The low-polarization electric conduction system is characterized by comprising a first external electric field end plate, a second external electric field end plate, an external power supply and an electric conduction device to be improved, wherein a first electrode end of the external power supply is connected with the first external electric field end plate, a second electrode end of the external power supply is connected with the second external electric field end plate, a first output terminal of the electric conduction device to be improved is connected with the first external electric field end plate, and a second output terminal of the electric conduction device to be improved is connected with the second external electric field end plate.
2. The low polarization conductance system of claim 1, wherein said first externally applied electric field end plate and said second externally applied electric field end plate are symmetrically disposed.
3. The low-polarization electrical conduction system of claim 1, wherein the first electrode terminal is a positive electrode terminal and the second electrode terminal is a negative electrode terminal when the low-polarization electrical conduction system is in a charged state, and wherein the first output terminal is a positive electrode output terminal and the second output terminal is a negative electrode output terminal.
4. The low polarization conductance system of claim 1, wherein the direction of the electric field of said externally applied power source is directed from the positive electrode of said conductance device to be enhanced to the negative electrode of said conductance device to be enhanced when said low polarization conductance system is in a charged state.
5. The low polarization conductance system of claim 1, wherein when said low polarization conductance system is in a discharge state, said first electrode terminal is a negative electrode terminal and said second electrode terminal is a positive electrode terminal, said first output terminal is a positive electrode output terminal and said second output terminal is a negative electrode output terminal.
6. The low polarization conductance system of claim 1, wherein when said low polarization conductance system is in a discharge state, the direction of the electric field of said externally applied power source is directed from the negative electrode of said conductance device to be enhanced to the positive electrode of said conductance device to be enhanced.
7. The low polarization conductance system of claim 1, wherein said conductance means to be increased is a conductance means to be increased in ionic conductivity.
8. The low polarization conductance system of claim 1, wherein said means to increase conductance comprises a bipolar cell or a conductivity system.
9. The low polarization conductance system of claim 8, wherein said bipolar cell comprises a plurality of series connected battery cells.
10. The low polarization conductance system of claim 8, wherein said bipolar cell is a lithium ion battery cell, a sodium ion battery cell, or a zinc ion battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422146432.5U CN223140841U (en) | 2024-08-31 | 2024-08-31 | A low polarization conductivity system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422146432.5U CN223140841U (en) | 2024-08-31 | 2024-08-31 | A low polarization conductivity system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223140841U true CN223140841U (en) | 2025-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422146432.5U Active CN223140841U (en) | 2024-08-31 | 2024-08-31 | A low polarization conductivity system |
Country Status (1)
| Country | Link |
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| CN (1) | CN223140841U (en) |
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- 2024-08-31 CN CN202422146432.5U patent/CN223140841U/en active Active
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