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Organic phase dual flow battery

A liquid flow battery and organic phase technology, applied in the direction of regenerative fuel cells, etc., can solve problems such as difficulty in finding, and achieve the effects of overall polarization reduction, high energy density and power density, and simple manufacturing process

Inactive Publication Date: 2013-03-27
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a flow battery system with a single active material, it is very difficult to find a material with a large difference in oxidation and reduction potentials

Method used

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  • Organic phase dual flow battery
  • Organic phase dual flow battery

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Effect test

Embodiment 1

[0019] Embodiment 1, ferrocene / 1-chloroanthraquinone dual flow battery

[0020] The dual-flow battery provided in this embodiment includes a battery cell 1; the battery cell 1 includes a positive electrode 2 and a negative electrode 3, and the materials of the positive electrode 2 and the negative electrode 3 are graphite fibers; the positive electrode 2 and the negative electrode 3 are respectively made of graphite The plate leads to the positive terminal 4 and the negative terminal 5; a diaphragm 12 is provided between the positive electrode 2 and the negative electrode 3, and its material is an anion (chlorion) selective permeable membrane; between the positive electrode 2 and the diaphragm 12 is the positive electrode electrolyte flow channel 6 , which is filled with a positive electrode electrolyte, the solvent of the positive electrode electrolyte is DMF, the electrolyte is TBACl (tetrabutylammonium chloride) with a concentration of 0.1mol / L, the active material is ferroc...

Embodiment 2

[0023] Embodiment 2, ferrocenamide / 1-nitroanthraquinone dual flow battery

[0024] The dual-flow battery provided in this embodiment includes a stack 13 formed by five battery cells 1 connected in series; the battery cell 1 includes a positive electrode 2 and a negative electrode 3, and the materials of the positive electrode 2 and the negative electrode 3 are nano-graphite fibers. Felt; lead out positive terminal 4 and negative terminal 5 with graphite plate respectively at positive pole 2 and negative pole 3 places; Be provided with diaphragm 12 between positive pole 2 and negative pole 3, its material is anion (chlorion) selective permeable membrane; Positive pole 2 Between the diaphragm 12 is the positive electrode electrolyte flow channel 6, which is filled with positive electrode electrolyte, the solvent of the positive electrode electrolyte is DMSO, the electrolyte is TBABr (tetrabutylammonium bromide) concentration is 0.1mol / L, and the active material is Ferrocene amid...

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Abstract

The present invention discloses an organic phase dual flow battery, which comprises at least a battery monomer, wherein the battery monomer comprises a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively connected with a positive electrode terminal and a negative electrode terminal, a separation membrane is arranged between the positive electrode and the negative electrode, a positive electrode flow channel is arranged between the separation membrane and the positive electrode, a negative electrode flow channel is arranged between the separation membrane and the negative electrode, the positive electrode flow channel is filled with a positive electrode electrolyte liquid, the negative electrode flow channel is filled with a negative electrode electrolyte liquid, both ends of the positive electrode flow channel are respectively communicated with a positive electrode electrolyte liquid storage tank, both ends of the negative electrode flow channel are respectively communicated with a negative electrode electrolyte liquid storage tank, an active substance of the positive electrode electrolyte liquid is ferrocene or a derivative thereof, and an active substance of the negative electrode electrolyte liquid is anthraquinone or a derivative thereof. The organic phase dual flow battery of the anthraquinone or the derivative thereof / the ferrocene or the derivative thereof has advantages of simple manufacturing process, low cost, high cycle life and the like, has characteristics of high energy density, high power density and high energy utilization efficiency, and can be widely used in electric power, transportation, electronics and other industries.

Description

technical field [0001] The invention relates to an organic-phase dual-flow battery, in particular to an organic-phase liquid flow battery based on anthraquinone and its derivatives / ferrocene and its derivatives, which belongs to the field of chemical industry and can be widely used in solar energy and wind energy, etc. Energy storage of renewable energy power generation, emergency power system and power system peak shaving and valley filling, load leveling and other aspects. Background technique [0002] Since Thaller proposed the concept of redox flow battery, flow battery technology has been developed for nearly 40 years. The urgent demand for large-scale power storage with the development of smart grid has set off a new upsurge in the research of flow battery technology. [0003] From a structural point of view, a flow battery includes a single battery, an electrolyte storage tank, a pump, and an electrolyte pipeline. The active material for charging and discharging in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/18
CPCY02E60/528Y02E60/50
Inventor 杨颖程杰马浩
Owner TSINGHUA UNIV
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