CN217822897U - Vanadium cell electrolyte valence state regulation and control device - Google Patents

Abstract

The utility model provides a vanadium cell electrolyte valence state regulating device, which comprises a plurality of closed tubular electrolytic devices connected in series or in parallel, wherein each tubular electrolytic device comprises an anode, a diversion support net, a cathode, a shell and a plug; the anode, the diversion support net, the cathode and the shell are sequentially concentrically arranged; the plug is used for sealing and fixing the anode, the diversion support net, the cathode and the shell. By designing the closed tubular electrolytic devices and connecting the multiple groups of tubular electrolytic devices in series and in parallel, the valence state of the electrolyte can be effectively regulated and controlled, and a finished solution can be continuously produced; the tubular electrolysis device has simple structure, low cost and high efficiency.

Description

Vanadium cell electrolyte valence state regulation and control device

Technical Field

The utility model relates to a vanadium cell electrolyte preparation technical field, especially a vanadium cell electrolyte valence state regulation and control device.

Background

Along with the development of vanadium batteries, the scale of a vanadium battery system is increased in multiplying power, and the demand of vanadium electrolyte is also increased in multiplying power. The prior art does not have a device for continuously producing the electrolyte. An all-vanadium redox flow battery (vanadium battery) is a secondary energy system that utilizes redox reactions between vanadium ions of different valence states for energy storage and conversion. The method is characterized in that: no discharge pollution, adjustable capacity, long cycle life, deep heavy current density discharge, rapid charging and high energy conversion rate. The vanadium battery is mainly applied to energy storage power supplies of power station peak shaving, large-scale photoelectric conversion and wind power generation as well as energy storage systems of remote areas, uninterrupted power supplies or emergency power supply systems.

Along with the charge and discharge of the vanadium battery, vanadium ion migration, oxidation of divalent vanadium ions in the negative electrolyte, hydrogen evolution of the negative electrode and the like can be generated between the positive electrolyte and the negative electrolyte, so that the concentration and valence state of the vanadium ions in the positive electrolyte and the negative electrolyte are not matched.

How to realize the valence state regulation with low cost, high speed and high efficiency is a big problem in the field. Most of the prior art adopts a groove type or pile type valence state adjusting device, has the problems of complex structure, high cost, low efficiency and the like, is not beneficial to the continuous production of electrolyte, and also leads to the increase of the energy storage cost of the vanadium battery.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the technical problem that exists among the above-mentioned prior art, the utility model provides a vanadium redox battery electrolyte valence state regulation and control device, through the closed tubular electrolytic device of design to and multiunit tubular electrolytic device series-parallel connection, can realize the effective regulation and control of the valence state of electrolyte and serialization output finished product solution.

The utility model provides a vanadium cell electrolyte valence state regulating device, which comprises a plurality of closed tubular electrolytic devices connected in series or in parallel, wherein each tubular electrolytic device comprises an anode, a diversion support net, a cathode, a shell and a plug; the anode, the diversion support net, the cathode and the shell are sequentially concentrically arranged; the plug is used for sealing and fixing the anode, the diversion support net, the cathode and the shell.

Furthermore, the diversion support net, the cathode and the shell are sequentially sleeved on the outer side of the anode.

Furthermore, the plugs are symmetrically arranged at two ends of the valence state regulating device; the plug is provided with a positive terminal and a negative terminal, and the positive terminal and the negative terminal are symmetrically arranged at two ends of the valence state regulating device.

Further, the anode is connected with the positive terminal, and the cathode is connected with the negative terminal.

Furthermore, the positive terminal penetrates through the plug and is connected with the plug in a sealing mode.

Furthermore, the negative terminal penetrates through the plug and is connected with the plug in a sealing mode.

Further, the cathode is composed of a conductive porous electrode.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: by designing the closed tubular electrolytic devices and connecting the multiple groups of tubular electrolytic devices in series and parallel, the valence state of the electrolyte can be effectively regulated and controlled, and a finished solution can be continuously produced; the tubular electrolyzer has simple structure, low cost and high efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and it is also possible for those skilled in the art to obtain other drawings based on these drawings.

FIG. 1 is a schematic view of a part of a closed tubular electrolyzer according to an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of a closed tubular electrolyzer according to an embodiment of the present invention.

Reference numerals: 1-anode, 2-diversion support net, 3-cathode, 4-shell, 5-plug, 6-anode binding post and 7-cathode binding post.

Detailed Description

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention will be described in further detail with reference to the following examples.

An object of the utility model is to provide a vanadium cell electrolyte valence state regulation and control device designs tubular electrolytic device to and multiunit device series-parallel connection can realize the effective regulation and control and the serialization output finished product solution of the valence state of electrolyte.

Specifically, referring to fig. 1 and fig. 2, the present invention provides a schematic diagram of a valence state regulating device for vanadium redox battery electrolyte, which includes: the tubular electrolysis devices are connected in series or in parallel and are closed, and each tubular electrolysis device comprises an anode 1, a flow guide support net 2, a cathode 3, a shell 4 and a plug 5; the anode 1, the diversion support net 2, the cathode 3 and the shell 4 are sequentially concentrically arranged; the plug 5 is used for sealing and fixing the anode 1, the diversion support net 2, the cathode 3 and the shell 4.

It should be noted that the flow guiding support net is arranged to facilitate the effective flow of the solution and avoid the short circuit of the anode and the cathode; the arrangement of the plug is beneficial to protecting the wiring area from being corroded by solution.

In this embodiment, the outer side of the anode 1 is sequentially sleeved with the flow guide support net 2, the cathode 3 and the housing 4.

In this embodiment, the plugs 5 are symmetrically disposed at two ends of the valence state regulating device; the plug 5 is provided with a positive terminal 6 and a negative terminal 7, and the positive terminal 6 and the negative terminal 7 are symmetrically arranged at two ends of the valence state regulating device.

In this embodiment, the anode 1 is connected to a positive terminal 6, and the cathode 3 is connected to a negative terminal 7.

In this embodiment, the positive terminal 6 penetrates through the plug 5 and is connected to the plug 5 in a sealing manner.

In this embodiment, the negative terminal 7 penetrates through the plug 5 and is connected to the plug 5 in a sealing manner.

In the present embodiment, the cathode 3 is composed of a conductive porous electrode.

The closed tubular electrolysis device has the advantages of simple structure, low cost and high efficiency. The closed tubular electrolysis device is connected in a multi-group series-parallel mode, so that continuous production of electrolyte on a larger scale can be realized.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the technical idea of the present invention, several variations and modifications can be made, and all of them belong to the protection scope of the present invention.

Claims (7)

1. The device for regulating and controlling the valence state of the electrolyte of the vanadium redox battery is characterized by comprising a plurality of closed tubular electrolytic devices which are connected in series or in parallel, wherein each tubular electrolytic device comprises an anode (1), a diversion support net (2), a cathode (3), a shell (4) and a plug (5); the anode (1), the diversion support net (2), the cathode (3) and the shell (4) are sequentially concentrically arranged; the plug (5) is used for sealing and fixing the anode (1), the diversion support net (2), the cathode (3) and the shell (4).

2. The device for regulating the valence state of electrolyte in a vanadium redox battery according to claim 1, wherein the diversion support net (2), the cathode (3) and the housing (4) are sequentially sleeved outside the anode (1).

3. The device for regulating the valence state of electrolyte of the vanadium redox battery according to claim 1, wherein the plugs (5) are symmetrically arranged at two ends of the device for regulating the valence state; and the plug (5) is provided with a positive terminal (6) and a negative terminal (7), and the positive terminal (6) and the negative terminal (7) are symmetrically arranged at two ends of the valence state regulating and controlling device.

4. Device according to claim 3, characterised in that the anode (1) is connected to the positive terminal (6) and the cathode (3) is connected to the negative terminal (7).

5. The device for regulating the valence state of electrolyte in vanadium redox batteries according to claim 3, characterized in that said positive terminal (6) penetrates the plug (5) and is connected hermetically to the plug (5).

6. The vanadium redox battery electrolyte valence state regulating device according to claim 3, wherein the negative terminal (7) penetrates through the plug (5) and is connected with the plug (5) in a sealing manner.

7. The vanadium battery electrolyte valence state regulating device according to claim 1, wherein the cathode (3) consists of a conductive porous electrode.

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