Flow frame for all-vanadium flow battery
By introducing a semiconductor cooling chip and a heat dissipation fan into the flow frame of the all-vanadium redox flow battery, the problem of poor heat dissipation during chemical reactions is solved, and the battery achieves efficient charge and discharge conversion.
Patent Information
- Application Number
- CN202520139578.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In vanadium redox flow batteries, the heat generated during the chemical reaction process cannot be effectively dissipated, leading to an increase in temperature, which affects the efficiency of the electrolyte chemical reaction and reduces the battery's charge-discharge conversion efficiency.
A flow frame for a vanadium redox flow battery is designed, comprising an electrode cavity, a liquid inlet assembly, a liquid outlet assembly, a heat conduction assembly, and a heat dissipation assembly. It utilizes a semiconductor cooling chip to absorb heat and a cooling fan to dissipate heat, thereby achieving rapid heat dissipation and cooling.
Effective heat dissipation avoids the influence of temperature on the chemical reaction of the electrolyte, thereby improving the battery's charge and discharge conversion efficiency.
Smart Images

Figure CN223809124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to all vanadium liquid flow battery liquid flow frame technical field especially relates to all vanadium liquid flow battery liquid flow frame. BACKGROUND
[0002] In recent years, fossil fuel is consumed in large quantities, and greenhouse gas emissions increase, leading to people's increasing demand for renewable energy. However, renewable energy represented by wind energy and solar energy has the characteristics of instability and discontinuity, and its power generation and grid connection need the support of large-scale energy storage system. Among the energy storage schemes available, electrochemical energy storage technology is considered the most economical and practical choice. Among the many electrochemical energy storage technologies, all vanadium liquid flow batteries are widely concerned due to their high safety, energy and power separation, long cycle life, and deep charge and discharge capabilities.
[0003] When the battery is working, the electrolyte will undergo chemical reaction in the liquid flow frame. A large amount of heat will be generated during the chemical reaction, which can only be discharged through the heat dissipation hole, and the effect is not good. High temperature for a long time will affect the efficiency of electrolyte chemical reaction and reduce the conversion efficiency between battery charge and discharge. SUMMARY
[0004] The main purpose of the utility model is to provide a kind of liquid flow frame for all vanadium liquid flow battery.
[0005] The purpose of the utility model can be achieved by adopting the following technical scheme:
[0006] A kind of liquid flow frame for all vanadium liquid flow battery, including liquid flow frame, electrode cavity is set in the middle of the liquid flow frame, liquid inlet assembly is arranged on one side of the liquid flow frame, liquid outlet assembly is arranged on the opposite side of the liquid inlet assembly of the liquid flow frame, heat transfer assembly is arranged at the top and bottom ends of the liquid flow frame, heat dissipation assembly is connected outside the heat transfer assembly, the heat dissipation assembly includes rack fixedly connected with the heat transfer assembly, the rack is symmetrically fixed with mounting plate inside, two groups of mounting plate bottom end are connected with semiconductor refrigeration piece, a plurality of heat dissipation fans are installed at equal intervals at the top end of the rack.
[0007] Preferably, the heat-absorbing end of the semiconductor refrigeration piece faces the heat transfer assembly, and the heat-emitting end of the semiconductor refrigeration piece faces the heat dissipation fan.
[0008] Preferably, the liquid inlet assembly includes a liquid inlet hole and a liquid inlet channel, and the liquid inlet hole penetrates the liquid flow frame.
[0009] Preferably, the liquid inlet channel is in communication with the liquid inlet hole, and the liquid inlet channel is in communication with the electrode cavity.
[0010] Preferably, the liquid outlet assembly includes a liquid outlet hole and a liquid outlet channel, and the liquid outlet hole penetrates the liquid flow frame.
[0011] Preferably, the liquid outlet channel is in communication with the liquid outlet hole, and the liquid outlet channel is in communication with the electrode cavity.
[0012] Preferably, the heat conduction assembly comprises a groove opened on the liquid flow frame, a heat conduction plate is fixed in the groove, a fixing groove is opened at the top end of the heat conduction plate, and the rack is connected with the heat conduction plate through the fixing groove, and a plurality of protective nets are installed equidistantly at the top end of the rack.
[0013] The beneficial technical effects are that:
[0014] By setting the heat dissipation assembly, the semiconductor refrigeration sheet is fixed in the rack through the mounting plate during the use of the liquid flow frame, the heat on the heat conduction assembly is absorbed by the heat absorption end of the semiconductor refrigeration sheet, and then the heat dissipation fan discharges the absorbed heat to the outside through the heat release end of the semiconductor refrigeration sheet, so that the liquid flow frame is quickly cooled, the efficiency of the electrolyte chemical reaction is avoided to be affected, and the conversion efficiency between battery charging and discharging is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of a preferred embodiment of a liquid flow frame for a full vanadium redox flow battery according to the utility model;
[0016] Figure 2 It is a main sectional view of a preferred embodiment of a liquid flow frame for a full vanadium redox flow battery according to the utility model;
[0017] Figure 3 It is a main sectional view of a preferred embodiment of a liquid flow frame for a full vanadium redox flow battery according to the utility model; Figure 2 It is an enlarged view of A in the figure.
[0018] The reference signs are explained as follows:
[0019] 1, liquid flow frame; 2, electrode cavity; 3, liquid inlet assembly; 301, liquid inlet hole; 302, liquid inlet channel; 4, liquid outlet assembly; 401, liquid outlet hole; 402, liquid outlet channel; 5, heat conduction assembly; 501, groove; 502, heat conduction plate; 503, fixing groove; 6, heat dissipation assembly; 601, rack; 602, mounting plate; 603, semiconductor refrigeration sheet; 604, heat dissipation fan; 7, protective net. DETAILED DESCRIPTION
[0020] In order to make the skilled person in the art more clear and explicit technical scheme of the utility model, the utility model is described in further detail below in combination with examples and drawings, but the implementation mode of the utility model is not limited to this.
[0021] For example, Figures 1-3As shown, the embodiment provides a kind of liquid flow frame for all-vanadium redox battery, including liquid flow frame 1, electrode cavity 2 is set in the middle of liquid flow frame 1, electrolyte is reacted into electrode cavity 2, liquid flow frame 1 upper side is provided with liquid inlet assembly 3, liquid flow frame 1 upper side is provided with liquid outlet assembly 4 opposite liquid inlet assembly 3, liquid flow frame 1 top and bottom both ends are provided with heat conducting component 5, heat conducting component 5 outer side is connected with heat dissipation component 6, heat dissipation component 6 includes the rack 601 of being fixedly connected with heat conducting component 5, rack 601 can be fixed mounting plate 602 and heat dissipation fan 604, rack 601 is fixedly provided with mounting plate 602 in symmetry, mounting plate 602 can support semiconductor refrigeration piece 603, two groups of mounting plate 602 bottom end are connected with semiconductor refrigeration piece 603, the heat absorption end of semiconductor refrigeration piece 603 can absorb the heat on heat conducting component 5, rack 601 top end is equidistantly installed with multiple heat dissipation fans 604, heat dissipation fan 604 is discharged to the outside through the heat release end of semiconductor refrigeration piece 603 with these absorbed heat.
[0022] As Figures 2-3 Shown, the heat absorption end of semiconductor refrigeration piece 603 faces heat conducting component 5, the heat release end of semiconductor refrigeration piece 603 faces heat dissipation fan 604, it is convenient for semiconductor refrigeration piece 603 to absorb heat and dissipate heat.
[0023] As Figures 1-2 Shown, liquid inlet assembly 3 includes liquid inlet hole 301 and liquid inlet channel 302, liquid inlet hole 301 penetrates liquid flow frame 1, it is convenient to transport electrolyte into liquid flow frame 1 by liquid inlet hole 301.
[0024] As Figures 1-2 Shown, liquid inlet channel 302 is communicated with liquid inlet hole 301, and liquid inlet channel 302 is communicated with electrode cavity 2, electrolyte is guided into electrode cavity 2 by liquid inlet channel 302.
[0025] As Figures 1-2 Shown, liquid outlet assembly 4 includes liquid outlet hole 401 and liquid outlet channel 402, liquid outlet hole 401 penetrates liquid flow frame 1, and electrolyte after reaction is discharged from liquid flow frame 1 by liquid outlet hole 401.
[0026] As Figures 1-2 Shown, liquid outlet channel 402 is communicated with liquid outlet hole 401, and liquid outlet channel 402 is communicated with electrode cavity 2, electrolyte is guided to liquid outlet hole 401 by liquid outlet channel 402.
[0027] As Figures 1-2As shown, the heat conduction assembly 5 comprises a groove 501 opened on the liquid flow frame 1, the groove 501 can ensure that the top end of the heat conduction plate 502 is flush with the top end of the liquid flow frame 1, the heat conduction plate 502 is fixed in the groove 501, the heat conduction plate 502 can conduct the heat on the liquid flow frame 1, the top end of the heat conduction plate 502 is provided with a fixing groove 503, the fixing groove 503 can fix the rack 601, and the rack 601 is connected with the heat conduction plate 502 through the fixing groove 503, a plurality of protective nets 7 are equidistantly installed on the top end of the rack 601, and the protective nets 7 can prevent foreign matters from entering into the rack 601.
[0028] The working principle of the device is as follows: when the device is used, a plurality of liquid flow frames 1 are spliced and fixed by external fixing equipment, electrolyte is pumped into the liquid inlet hole 301 in the liquid inlet assembly 3 by an external pump, and then is conducted into the electrode cavity 2 through the liquid inlet flow channel 302, after the electrolyte is reacted in the electrode cavity 2, the electrolyte is conducted to the liquid outlet hole 401 through the liquid outlet flow channel 402, and then is discharged from the liquid flow frame 1, in the use process, the heat conduction plate 502 can conduct the heat on the liquid flow frame 1, the rack 601 is connected with the heat conduction plate 502 through the fixing groove 503, the semiconductor refrigeration sheet 603 is fixed in the rack 601 through the mounting plate 602, the heat on the heat conduction assembly 5 is absorbed by the heat absorbing end of the semiconductor refrigeration sheet 603, then the heat is discharged to the outside by the heat releasing end of the semiconductor refrigeration sheet 603 through the heat dissipation fan 604, so that the liquid flow frame 1 is quickly cooled, and the efficiency of the electrolyte chemical reaction is avoided to be affected, and the conversion efficiency between battery charging and discharging is improved.
[0029] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, which belongs to the protection scope of the present application.
Claims
1. A flow frame for a vanadium redox flow battery, characterised in that: Including liquid flow frame (1), the electrode cavity (2) is opened in the middle of the liquid flow frame (1), the liquid inlet assembly (3) is arranged on the upper side of the liquid flow frame (1), the liquid outlet assembly (4) is arranged on the opposite side of the liquid inlet assembly (3) of the liquid flow frame (1), the heat conduction assembly (5) is arranged at the top and bottom ends of the liquid flow frame (1), the heat dissipation assembly (6) is connected outside the heat conduction assembly (5), the heat dissipation assembly (6) includes the rack (601) fixedly connected with the heat conduction assembly (5), the mounting plate (602) is fixedly arranged in the rack (601), the semiconductor refrigeration piece (603) is connected at the bottom end of the two mounting plates (602), a plurality of heat dissipation fans (604) are installed at the top end of the rack (601) at equal intervals.
2. The flow frame for a vanadium redox flow battery according to claim 1, characterized in that: The heat absorption end of the semiconductor refrigeration piece (603) faces the heat conduction assembly (5), and the heat release end of the semiconductor refrigeration piece (603) faces the heat dissipation fan (604).
3. The flow frame for a vanadium redox flow battery of claim 1, wherein: The liquid inlet assembly (3) includes a liquid inlet hole (301) and a liquid inlet channel (302), and the liquid inlet hole (301) penetrates the liquid flow frame (1).
4. The flow frame for a vanadium redox flow battery of claim 3, wherein: The liquid inlet channel (302) is communicated with the liquid inlet hole (301), and the liquid inlet channel (302) is communicated with the electrode cavity (2).
5. The flow frame for a vanadium redox flow battery of claim 1, wherein: The liquid outlet assembly (4) includes a liquid outlet hole (401) and a liquid outlet channel (402), and the liquid outlet hole (401) penetrates the liquid flow frame (1).
6. The flow frame for a vanadium redox flow battery of claim 5, wherein: The liquid outlet channel (402) is communicated with the liquid outlet hole (401), and the liquid outlet channel (402) is communicated with the electrode cavity (2).
7. The flow frame for a vanadium redox flow battery of claim 1, wherein: The heat conduction assembly (5) includes a groove (501) opened on the liquid flow frame (1), the heat conduction plate (502) is fixed in the groove (501), the fixing groove (503) is opened at the top end of the heat conduction plate (502), and the rack (601) is connected with the heat conduction plate (502) through the fixing groove (503), and a plurality of protective nets (7) are installed at the top end of the rack (601) at equal intervals.