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Electrode, fuel cell and water treatment device

A fuel cell and electrode technology, applied in the field of fuel cells, water treatment devices, and electrodes, can solve the problems of inability to enjoy the low resistance of metal conductors, battery performance degradation, and high resistance

Inactive Publication Date: 2017-04-19
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this conductive coating has a higher resistance than metal conductors, it cannot enjoy the inherent low resistance of metal conductors, and there is a problem that the performance of the battery deteriorates.

Method used

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  • Electrode, fuel cell and water treatment device
  • Electrode, fuel cell and water treatment device
  • Electrode, fuel cell and water treatment device

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Experimental program
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Embodiment Construction

[0018] Hereinafter, the electrode according to the present embodiment, and a fuel cell and a water treatment device using the same will be described in detail. In addition, the dimensional ratios in the drawings are somewhat exaggerated for convenience of description, and may differ from actual ratios.

[0019] [electrode]

[0020] The electrode 10 of this embodiment is as figure 1 As shown, it includes: a first diffusion layer 1 having hydrophobicity, a second diffusion layer 2 carrying a catalyst, and an oxygen-permeable oxygen-permeable layer disposed between the first diffusion layer 1 and the second diffusion layer 2 and having oxygen permeability. Layer 3. Specifically, the electrode 10 is arranged such that the first diffusion layer 1 contacts one surface 3 a of the oxygen permeable layer 3 , and the second diffusion layer 2 contacts the surface 3 b of the oxygen permeable layer 3 opposite to the surface 3 a. configuration.

[0021] (first diffusion layer)

[0022]...

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Abstract

This electrode (10) is provided with: a first diffusion layer (1) that has water repellency; a second diffusion layer (2) that supports a catalyst (4); and an oxygen permeable layer (3) that is arranged between the first diffusion layer and the second diffusion layer and has oxygen permeability. The second diffusion layer comprises a sheet-like carbon material. Meanwhile, a fuel cell (100) is provided with: a negative electrode (20) which supports a microorganism; an ion transfer layer (30) through which hydrogen ions permeate; and a positive electrode (40) which is formed of the electrode (10) and is separated from the negative electrode with the ion transfer layer being interposed therebetween.

Description

technical field [0001] The invention relates to an electrode, a fuel cell and a water treatment device. Specifically, the present invention relates to an electrode capable of purifying waste water and generating electrical energy, a fuel cell and a water treatment device using the electrode. Background technique [0002] In recent years, microbial fuel cells, which use living organisms to generate electricity, have attracted attention as sustainable energy sources. A microbial fuel cell is a device that converts organic matter, etc., into electrical energy by utilizing the metabolic function of microorganisms, and is an excellent system that recovers energy while processing organic matter. However, since the electricity generated by microorganisms is very small and the output current density is low, further improvement is required. [0003] As a conventional microbial fuel cell (bacterial fuel cell), a microbial fuel cell having a plurality of anodes and a plurality of cat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/86C02F3/28H01M4/96H01M8/16
CPCC02F3/28H01M4/8605H01M4/8663H01M8/16Y02E60/50C02F3/005H01M4/8807H01M4/926
Inventor 吉川直毅北出祐基
Owner PANASONIC CORP
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