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Producing method for electrode and equipment

A manufacturing method and electrode technology, which can be used in capacitor manufacturing, hybrid/electric double-layer capacitor manufacturing, hybrid capacitor electrodes, etc., and can solve problems such as unsuitable capacitors.

Inactive Publication Date: 2009-05-06
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this does not apply to capacitors designed for demineralization applications

Method used

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  • Producing method for electrode and equipment
  • Producing method for electrode and equipment
  • Producing method for electrode and equipment

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Embodiment Construction

[0013] The present invention includes embodiments related to a method of manufacturing a porous electrode; the invention includes embodiments related to a method of manufacturing a desalination device including the electrode.

[0014] Approximate terms in the specification and claims are used to modify the quantity, which means that the present invention is not limited to the specific quantity, but also includes acceptable modified parts close to the quantity, without causing changes in relevant basic functions. Accordingly, modifying a numerical value with "about" etc. means that the present invention is not limited to the precise numerical value. In some instances, approximate terms may correspond to the precision of the instrument for measuring the value.

[0015] Compared with ordinary capacitors, supercapacitors have relatively higher energy density. The term supercapacitor in the present invention is a general term for various high-efficiency capacitors. A capacitor co...

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Abstract

The invention relates to a method for producing an electrode, which comprises the following steps: the mixture containing carbon material, bonding agent that is immiscible of water solution and water soluble polymer are coated on the surface of a current collector so as to form a template; the template is dried; and finally, the dried template is contacted with the water solution so as to remove the water soluble polymer, thereby a porous electrode with a larger surface area is formed.

Description

technical field [0001] The invention relates to a method of manufacturing an electrode and a method of manufacturing a device comprising the electrode. Background technique [0002] Capacitors are widely used as energy storage devices. In an electric double layer capacitor, a pair of electrodes with opposite polarities are arranged opposite to each other, separated by an electrically insulating barrier through which ions can pass, and placed together in the electrolyte, and a layer charge. During the charging phase of the capacitor, the ions in the electrolyte migrate to the opposite polarity electrode under the action of an external electric field, and are adsorbed on the surface of the opposite polarity electrode, thereby storing energy in the capacitor. During the discharge phase of the capacitor, the charge adsorbed on the electrode surface is released back into the electrolyte, and the previously stored energy is also released through the external circuit at the same ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/058H01G9/155H01G13/00
CPCH01G11/86Y02E60/13H01G11/38H01G11/26H01G9/058H01G11/32
Inventor 蔡巍魏昶熊日华曹磊吕苏杜宇
Owner GENERAL ELECTRIC CO
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