A large-aperture porous spacer structure used in biocathode microbial electrochemical systems

A technology of microbial electrochemistry and spacer structure, applied in electrochemical generators, biochemical fuel cells, circuits, etc., can solve the problem of high cost of spacer materials, and achieve the effects of improving anti-pollution and corrosion resistance, reducing costs and long service life.

Active Publication Date: 2021-06-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the problem of high cost of spacer materials in existing microbial electrochemical systems, the present invention proposes a large-aperture porous spacer structure used in biocathode microbial electrochemical systems

Method used

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  • A large-aperture porous spacer structure used in biocathode microbial electrochemical systems
  • A large-aperture porous spacer structure used in biocathode microbial electrochemical systems
  • A large-aperture porous spacer structure used in biocathode microbial electrochemical systems

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specific Embodiment approach 1

[0050]DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structural body of the large aperture porous interval structure in the biological cathode microbial electrochemical system is a plate shape or a cylindrical shape. The structural body is composed of at least one layer of large aperture porous spacer material; and in the main body There is at least one layer in the large aperture porous spacer material is an insulating material;

[0051]The structural body has a thickness of 1 μm to 10 cm;

[0052]The holes of the large aperture porous spacer material are open and the aperture is 0.1 μm to 5 mm.

[0053]This embodiment has the following beneficial effects:

[0054]First, the present embodiment acts as a large aperture porous interval structure in a biopolytic microbial electrochemical system is to be placed in a biopathic microbial electrochemical system and is used to separate the cathode chamber and an anode chamber; the present embodiment can be adjusted by adjusting a large aperture...

specific Embodiment approach 2

[0061]DETAILED DESCRIPTION OF THE INVENTION Different: The present embodiment differs from the specific embodiment that the large aperture porous spacer material is a self-supporting large aperture porous spacing material or a flexible large aperture porous spacing material. Other steps and parameters are identical to those of the specific embodiments.

specific Embodiment approach 3

[0062]BEST MODE FOR CARRYING OUT THE INVENTION One or two of the present embodiment is different from that of the specific embodiment: the large aperture porous spacer material is a self-supporting large aperture porous spacing material or a flexible large aperture porous spacing material. Other steps and parameters are identical to those of the specific embodiments.

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Abstract

A large-aperture porous spacer structure used in a biocathode microbial electrochemical system relates to a large-aperture porous spacer structure in an electrochemical system. The invention aims to solve the problem of high cost of spacer materials in the existing microbial electrochemical system. The main body of the porous spacer structure is plate-shaped or cylindrical, and the main body of the structure is composed of at least one layer of large-aperture porous spacer material; and at least one layer of the large-pore size porous spacer material in the structure body is an insulating material; The pores are open pores with a diameter of 0.1 μm to 5 mm. The spacer structure of the present invention is used to separate the cathode chamber and the anode chamber. The structure has the ability to seep through water, maintain the dissolved oxygen between the cathode and anode on both sides, the COD gradient and the conduction ability of the cathode and anode ions; the structure is relatively ion / proton exchange Membranes can be achieved at very low cost. The invention is suitable for bio-cathode microorganism electrochemical system.

Description

Technical field[0001]The present invention relates to a large aperture porous interval structure in an electrochemical system.Background technique[0002]The microbial electrochemical system is a device that directly converts the chemical energy in the organic matter into electrical energy to directly utilize the catalysis of microorganisms. In the microbial electrochemical system, the organic or inorganic substances in the anode metabolized wastewater, transfer electrons to the anode electrode, electrons conducted to the cathode through the outer circuit, in the cathode electron pass through the outer circuit and the electronic receptor O2In combination, protons migrate from the anode from the solution to the cathode, thereby forming a closed loop to complete the reaction process. Biopathy microbial electrochemical systems refer to the catalytic function of the microbial to adhere to the surface of the cathode, from the electrode to the catalytic function of the oxygen reduction in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/0245H01M8/16
CPCH01M8/0245H01M8/16Y02E60/50
Inventor 冯玉杰何伟华李超梁丹丹曲友鹏田言
Owner HARBIN INST OF TECH
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