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Surface carbon-dispersing process for zinc-bromine flow battery electrode plate and equipment used therefor

A zinc-bromine flow battery and plate technology, which is applied to battery electrodes, circuits, electrical components, etc., can solve the problems of complex preparation process, waste, and influence of plate conductivity and corrosion resistance, and achieve simple process and solve The effect of electrical conductivity and corrosion resistance

Active Publication Date: 2014-06-18
江苏恒安储能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has many disadvantages: 1. The preparation process is complicated. 2. Unsatisfactory operation and hot pressing will lead to more defective products and greater waste. 3. The introduction of binders in the process may affect the conductivity and corrosion resistance of the plates. influences

Method used

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  • Surface carbon-dispersing process for zinc-bromine flow battery electrode plate and equipment used therefor
  • Surface carbon-dispersing process for zinc-bromine flow battery electrode plate and equipment used therefor
  • Surface carbon-dispersing process for zinc-bromine flow battery electrode plate and equipment used therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 of the present invention: a carbon sprinkling device on the surface of a zinc-bromine flow battery plate, such as figure 1 As shown, it includes a twin-screw extruder 1, a sheet extrusion die 2 and a sheet carbon-sprinkling calendering device 3, the sheet extrusion die 2 is fixedly installed on the extrusion port of the twin-screw extruder 1, and the sheet The carbon-sprinkling calendering equipment 3 is connected with the sheet extrusion die head 2. A screen changer 14 and a melt pump 15 are also provided between the sheet extrusion die 2 and the twin-screw extruder 1 .

[0028] Such as figure 2 As shown, the sheet extrusion die 2 is in the shape of a "T", and the shape of the extrusion cavity 4 inside the sheet extrusion die 2 is also in the shape of a "T".

[0029] Such as image 3 As shown, the sheet carbon spreading and calendering equipment 3 includes a frame 5, a calendering roller group 6, a carbon storage tank 7, a carbon spreading roller 8, a ...

Embodiment 2

[0039] Embodiment 2 of the present invention: a carbon sprinkling device on the surface of a zinc-bromine flow battery pole plate, such as figure 1 As shown, it includes a twin-screw extruder 1, a sheet extrusion die 2 and a sheet carbon-sprinkling calendering device 3, the sheet extrusion die 2 is fixedly installed on the extrusion port of the twin-screw extruder 1, and the sheet The carbon-sprinkling calendering equipment 3 is connected with the sheet extrusion die head 2.

[0040] Such as figure 2 As shown, the sheet extrusion die 2 is in the shape of a "T", and the shape of the extrusion cavity 4 inside the sheet extrusion die 2 is also in the shape of a "T".

[0041] Such as image 3As shown, the sheet carbon spreading and calendering equipment 3 includes a frame 5, a calendering roller group 6, a carbon storage tank 7, a carbon spreading roller 8, a cooling traction roller group A9 and a cooling traction roller group B10, a calendering roller group 6, a cooling tracti...

Embodiment 3

[0051] Embodiment 3 of the present invention: a device for sprinkling carbon on the surface of a zinc-bromine flow battery plate, such as figure 1 As shown, it includes a twin-screw extruder 1, a sheet extrusion die 2 and a sheet carbon-sprinkling calendering device 3, the sheet extrusion die 2 is fixedly installed on the extrusion port of the twin-screw extruder 1, and the sheet The carbon-sprinkling calendering equipment 3 is connected to the sheet extrusion die 2; a screen changer 14 and a melt pump 15 are also provided between the sheet extrusion die 2 and the twin-screw extruder 1.

[0052] Such as figure 2 As shown, the sheet extrusion die 2 is in the shape of a "T", and the shape of the extrusion cavity 4 inside the sheet extrusion die 2 is also in the shape of a "T".

[0053] Such as image 3 As shown, the sheet carbon spreading and calendering equipment 3 includes a frame 5, a calendering roller group 6, a carbon storage tank 7, a carbon spreading roller 8, a cooli...

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Abstract

The invention discloses a surface carbon-dispersing process for a zinc-bromine flow battery electrode plate and equipment used therefor. The equipment comprises a double-screw extruder (1), a sheet extrusion die head (2) and sheet carbon-dispersing calendaring equipment (3), wherein the sheet extrusion die head (2) is fixedly installed on an extrusion port of the double-screw extruder (1), and the sheet carbon-dispersing calendaring equipment (3) is connected with the sheet extrusion die head (2). The surface carbon-dispersing process for the zinc-bromine flow battery electrode plate and the equipment used therefore, disclosed by the invention, can realize completion of one-step carbon-dispersing moulding during extrusion for an electrode plate, and have the advantages of being simple in preparation working procedure, as well as high in product quality, yield, uniformity and stability. Moreover, the utilization of a binder is not needed, and the conducting performance and the corrosion-resisting performance of the electrode plate can not be influenced.

Description

technical field [0001] The invention relates to a process for sprinkling carbon on the surface of a zinc-bromine flow battery pole plate and equipment used, and belongs to the field of zinc-bromine flow battery. Background technique [0002] According to the working principle of the zinc-bromine flow battery, increasing the specific surface area and surface roughness of the battery cell plate can effectively improve the battery performance. Therefore, while applying a conductive plastic plate, a layer of activated carbon is adhered to the surface of the plate, which can increase the specific surface area of ​​the plate and optimize the electrical performance at the same time. [0003] At present, the traditional surface carbon (activated carbon) process is mainly: after the plate is formed, a layer of binder is coated on the surface of the plate, and then the activated carbon powder is evenly sprinkled on the surface, and then bonded to the plate after hot pressing and fusio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/88
CPCY02E60/50
Inventor 刘学军孟琳陆克
Owner 江苏恒安储能科技有限公司