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Electrode plate preparation method applied to all-vanadium redox flow battery, electrode plate and preparation device

A technology of all-vanadium redox flow battery and pole plate, which is applied in electrode manufacturing, electrode rolling/calendering, fuel cells, etc., to achieve the effect of strong air tightness and toughness

Pending Publication Date: 2020-02-18
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

[0004] The purpose of the present invention is to provide a method for preparing a pole plate applied to an all-vanadium redox flow battery. There is no problem of coating peeling off, and there is no plate with liquid leakage during operation

Method used

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  • Electrode plate preparation method applied to all-vanadium redox flow battery, electrode plate and preparation device
  • Electrode plate preparation method applied to all-vanadium redox flow battery, electrode plate and preparation device
  • Electrode plate preparation method applied to all-vanadium redox flow battery, electrode plate and preparation device

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Embodiment 1

[0023] Embodiment 1 of the present invention: a method for preparing a pole plate applied to an all-vanadium redox flow battery, comprising the following steps: Step S01: mixing the first powder raw material and a mixing aid to obtain a premixed raw material; wherein, to ensure that the To prepare the resistivity of the plate, the first powder raw material includes carbon black powder, graphite powder and carbon nanotube powder, and the mixing aid uses a powder silane coupling agent; step S02: mixing the premixed raw material and the second powder body raw material to obtain composite material; wherein the second powder raw material includes HDPE (high density polyethylene) powder, PP (polypropylene) powder and SEBS (hydrogenated styrene-butadiene-styrene block copolymer) powder body; step S03: import the compound material into the blanking device, and the compound material is mixed in the screw mixing section of the extruder; the compound material is mixed in the screw mixing ...

Embodiment 2

[0029] Embodiment 2 of the present invention: a method for preparing a pole plate applied to an all-vanadium redox flow battery, comprising the following steps:

[0030] Step S01: Mix the first powder raw material and mixing auxiliary agent to obtain premixed raw material; wherein the first powder raw material includes carbon black powder, graphite powder and carbon nanotube powder, and the mixing auxiliary agent adopts powder silane coupling agent; step S02: mix the premixed raw material and the second powder raw material to obtain a composite material; wherein the second powder raw material includes HDPE powder, PP powder and SEBS powder; step S03: import the composite material into the blank device, the compound material is mixed in the screw mixing section of the extruder; the compound material is mixed in the mixing section through the extruder, and the mixing temperature is 225 °C; step S04: the compound material that is extruded and mixed is calendered to form 0.6mm pla...

Embodiment 3

[0035] Embodiment 3 of the present invention: a method for preparing a pole plate applied to an all-vanadium redox flow battery, comprising the following steps:

[0036] Step S01: Mix the first powder raw material and mixing auxiliary agent to obtain premixed raw material; wherein the first powder raw material includes carbon black powder, graphite powder and carbon nanotube powder, and the mixing auxiliary agent adopts powder silane coupling agent; step S02: mix the premixed raw material and the second powder raw material to obtain a composite material; wherein the second powder raw material includes HDPE powder, PP powder and SEBS powder; step S03: import the composite material into the blank device, the compound material is mixed in the screw mixing section of the extruder; the compound material is mixed in the mixing section through the extruder, and the mixing temperature is 205 °C; Step S04: the compound material that is extruded and mixed is calendered to form 0.6mm pla...

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Abstract

The invention discloses an electrode plate preparation method applied to an all-vanadium redox flow battery, which comprises the following steps: S01, a first powder raw material and a mixing auxiliary agent are mixed to obtain a premixed raw material, wherein the first powder raw material comprises carbon black powder, graphite powder and carbon nanotube powder, and the mixing auxiliary agent isa powder silane coupling agent; S02, the premixed raw material and the second power raw material are mixed to obtain a composite material, wherein the second powder raw material comprises HDPE powder,PP powder and SEBS powder; S03, the composite material is imported into a blanking device, the composite material is mixed in the screw mixing section of an extruder at a mixing temperature of 200 DEG C to 225 DEG C; and S04, the extruded and mixed composite material is calendered to form a 0.6 mm electrode plate. The invention also discloses an electrode plate and a preparation device for the electrode plate.

Description

technical field [0001] The invention relates to a method for preparing a pole plate applied to an all-vanadium redox flow battery, a pole plate and a preparation device, and belongs to the technical field of battery production. Background technique [0002] Flow energy storage battery is a low-cost, high-efficiency, and environment-friendly flow energy storage battery, which has the advantages of high energy density and current efficiency, simple and easy-to-operate device, long service life, and low cost. At present, the mainstream flow batteries mainly include all-vanadium flow batteries and zinc-bromine flow batteries, etc., which are mainly used in power grid peak regulation, power generation of renewable energy such as wind energy and solar energy, and electric vehicles. [0003] Traditional all-vanadium redox flow batteries generally use graphite press plates as their own plate materials. In the prior art, graphite press plates are mainly rolled with graphite felt and ...

Claims

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Application Information

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IPC IPC(8): H01M8/0258H01M8/18H01M4/04
CPCH01M8/0258H01M8/188H01M4/0435Y02E60/50Y02E60/10
Inventor 任忠山李森森贾东冉孟琳刘学军陆克
Owner 江苏恒安储能科技有限公司
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