Electrode for redox flow battery,fabrication method thereof, apparatus and method for fabricating electrolyte for redox flow battery,device and method for measuring selected ion concentration of electrolyte,and stand-alone battery system

A flow battery and electrolyte technology, applied in battery electrodes, fuel cell components, fuel cells, etc., can solve problems such as lack of technology to control valence state, achieve excellent economic efficiency and stability, excellent charging efficiency, The effect of preventing water pollution

Inactive Publication Date: 2012-09-19
HIENERGYHONG KONG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] Therefore, since the electrolyte determines the charging capacity of electricity based on its concentration and amount and affects the reversibility of chemical reactions and the dynamics of the solution, there is a problem of lack of control over the process of setting the optimal concent

Method used

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  • Electrode for redox flow battery,fabrication method thereof, apparatus and method for fabricating electrolyte for redox flow battery,device and method for measuring selected ion concentration of electrolyte,and stand-alone battery system
  • Electrode for redox flow battery,fabrication method thereof, apparatus and method for fabricating electrolyte for redox flow battery,device and method for measuring selected ion concentration of electrolyte,and stand-alone battery system
  • Electrode for redox flow battery,fabrication method thereof, apparatus and method for fabricating electrolyte for redox flow battery,device and method for measuring selected ion concentration of electrolyte,and stand-alone battery system

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Example Embodiment

[0120] Example 1

[0121] 1. Manufacturing device for controlling electrolyte for redox flow battery using salt solution

[0122] Manufacturing equipment for manufacturing electrolyte for redox flow batteries to measure critical current.

[0123] Put a 3% saline solution into each tank 171, 173, and 175 and apply voltage to each tank to measure the current flowing in the device,

[0124] Figure 5 It is a graph showing the voltage / current characteristics of the apparatus for producing an electrolyte for a redox flow battery according to an exemplary embodiment of the present invention. Such as Figure 5 As shown, according to the voltage / current characteristics of the electrolytic solution manufacturing device, the vertical axis represents the value (E / I) minus the voltage from the current, and the horizontal axis is marked with graduations to show the reciprocal of the current (1 / I).

[0125] A power supply with a constant voltage and a constant current is used as the power supply, wh...

Example Embodiment

[0140] Example 2

[0141] The stock solution 140 uses a substance that doubles the electrolyte used in a 20 μm cartridge filter, and controls the vanadium content to 10%. Pure water is injected into the by-product liquid tank 172, 10% sulfuric acid is injected into the treatment liquid tank 175, and a 10% sodium sulfate solution is used as an electrolyte.

[0142] Figure 7 It is a graph showing the voltage / current characteristics of the apparatus for producing an electrolyte for a redox flow battery according to an exemplary embodiment of the present invention and the purification apparatus of the method for producing the same.

[0143] Under the above conditions, the critical current is 0.72 (A). When the initial conduction current is greater than the critical current by more than 5% (one-dot chain line), more than 10% (broken line), more than 15% (solid line) and more than 20% (dotted line, Dotted line) four tests, that is, electrolysis for 180 minutes, and voltage and current m...

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Abstract

The present invention relates to a redox flow battery and a redox battery system, and more particularly, to an electrode constituting a redox flow battery, a method of fabricating the electrode, an apparatus and method for fabricating electrolyte for a redox flow battery, a device and method for measuring a selected ion concentration of electrolyte constituting a redox flow battery, and a stand-alone redox battery system. A stand-alone redox battery system according to the present invention includes a micro hydroelectric power generating device and a redox battery. The micro hydroelectric power generating device includes: a feathering paddle wheel that is rotated by water introduced through a conduit; and a direct current generator that generates direct current according to the rotation of the feathering paddle wheel. The redox battery includes: a stack-type electrode assembly having a stacked structure of unit electrodes; a first electrolyte tank and a second electrolyte tank, which store, respectively, active materials having different oxidation levels; and a first pump and a second pump, which are connected to the first electrolyte tank and the second electrolyte tank, respectively, to circulate the stored active materials through the stack-type electrode assembly, thereby performing charging and discharging operations.

Description

technical field [0001] The present invention relates to a redox flow battery and a redox flow battery system, and more specifically, to an electrode for a redox flow battery configured with the redox flow battery, a method for manufacturing the electrode, and a redox liquid Device for electrolytic solution for flow battery and method for producing same, selective ion density meter capable of measuring concentration of electrolytic solution configuring redox flow battery and method for measuring selective ion concentration, and autoxidation Restore the flow battery system. Background technique [0002] Due to the increasing demand for energy around the world and the continuous use of fossil fuels, CO 2 are continuously discharged, resulting in environmental pollution. [0003] In order to reduce greenhouse gas emissions, new types of renewable energy sources such as sunlight, wind energy, and fuel cells have attracted more and more attention and have actually been promoted....

Claims

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Application Information

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IPC IPC(8): H01M8/18G01N27/333H01M8/02H01M8/04F03B13/00
CPCY02B10/50H01M4/96H01M4/8615F05B2250/82Y02E60/528H01M4/8657F03B13/00F05B2220/604F05B2220/20H01M8/188F05B2220/602Y02E60/50
Inventor 魏洵铭高村孝次
Owner HIENERGYHONG KONG LTD
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