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Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation

A technology of gel electrolyte and free radical, which is applied in the direction of hybrid capacitor electrolyte, hybrid capacitor electrode, etc., and can solve the problem that the monomer cannot be loaded

Active Publication Date: 2015-12-30
THALES SA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is easy to understand that an oversized monomer cannot fit into all the pores of the carbonaceous material 1

Method used

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  • Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation
  • Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation
  • Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation

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Embodiment Construction

[0083] In selected embodiments, the azide is 1-azido-[2'-(2"-methoxyethoxy)ethyl]-ethane 5. Functionalization reactions or reactions for chemical bond formation It was performed in an inert atmosphere at a temperature of 135 °C in the presence of 1,2-dichlorobenzene 6 .

[0084] The resulting product was activated carbon 1 containing 1-azido-[2'-(2"-methoxyethoxy)ethyl]ethane 5, the azide 5 was bonded to the surface of the activated carbon, but Also bonded to the surface inside the pores 2, 3, 4 of the activated carbon 1. The low molar mass of the molecule in combination with the carbonaceous material 1 makes it possible to functionalize the interior of the pores of the activated carbon.

[0085] - Figure 5b and 5cRespectively:

[0086] - a reaction for forming bonds between carbon nanotubes 7 and functionalized molecules comprising azide groups, which reaction is carried out under an inert atmosphere in the presence of dichlorobenzene at a temperature substantially equal ...

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Abstract

The invention concerns a method for preparing an electrode-gel electrolyte assembly made from porous carbon material comprising radical trapping sites comprising: - a step of forming a link between the radical trapping sites of the carbon material (1) and functionalising molecules (5), - a step of preparing a solution (S) comprising at least one monofunctional monomer and at least one polyfunctional monomer, one ion-conductive electrolyte and one radical initiator, - a step of impregnating the solution (S) of said monomers into the pores (2, 3, 4) of the carbon material (1), and - a step of in situ radical polymerisation of said monomers.

Description

technical field [0001] The present invention relates to components for energy storage such as supercapacitors. The present invention relates more particularly to the passivation of porous carbon-based electrodes for the production of supercapacitors with gelled polymer electrolytes obtained by radical methods. Background technique [0002] Supercapacitors or electrochemical capacitors are specially crafted capacitors that make it possible to obtain power and energy densities between batteries and conventional electrolytic capacitors. Most supercapacitors comprise two porous electrodes impregnated with an electrolyte, separated by an insulating porous membrane, which allows circulation of the ions contained in the electrolyte. [0003] The basic principle of supercapacitors lies in the capacitive properties of the interface between the electrodes of the solid electronic conductor and the electrolyte of the liquid ionic conductor. Energy storage takes place by the distributi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/40H01G11/56
CPCH01G11/40H01G11/56Y02E60/13H01G11/32
Inventor P·勒巴尼L·迪韦C·加林多
Owner THALES SA
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