A negative pressure adsorption microbial fuel cell

A fuel cell and adsorption technology, applied in biochemical fuel cells and other directions, can solve problems such as voltage inversion, microbial fuel is in the laboratory stage, affecting battery performance, etc., achieve small electrode spacing, improve internal resistance, and improve sealing effect of effect

Active Publication Date: 2021-09-28
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Connecting multiple microbial fuel cells in series can effectively increase the voltage, but when the current is too large, voltage reversal will occur, affecting battery performance
[0003] Despite the achievements of researchers, research on microbial fuels is still in the laboratory stage

Method used

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  • A negative pressure adsorption microbial fuel cell
  • A negative pressure adsorption microbial fuel cell
  • A negative pressure adsorption microbial fuel cell

Examples

Experimental program
Comparison scheme
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Embodiment

[0021] In this embodiment, the negative pressure adsorption microbial fuel cell, such as figure 1 As shown, it includes a cathode chamber 1 and an anode chamber 2, and an outer surface of the cathode chamber 1 is adjacent to the anode chamber 2.

[0022] The specific structure of cathode chamber 1, such as figure 2 Shown, comprise the cathodic chamber body 13 that is provided with square square groove 14 in the center of upper end face, square square groove 14 is used for containing catholyte; 11 includes a recessed frame body 111, and the center of the recessed frame body 111 is provided with a circular hole A and an annular protrusion 112 matched with the circular hole A, and the outer end surface of the annular protrusion 112 is flush with the outer surface of the cathode chamber body 13 The two side walls of the recessed frame body 111 are provided with air channels 12, and the air channels 12 between adjacent two negative pressure chambers 11 are connected; The pressur...

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Abstract

The invention relates to a negative pressure adsorption microbial fuel cell, which comprises a cathode chamber and an anode chamber, and an anode chamber is attached to one or more outer surfaces of the cathode chamber; the cathode chamber includes a cathode chamber with a square groove A in the center of the upper end surface The body, each outer surface of the cathode chamber body is provided with a negative pressure chamber, the two side walls of the negative pressure chamber are provided with air passages, and the air passages between two adjacent negative pressure chambers are connected; in the cathode chamber body A pressure relief switch and an exhaust one-way valve connected to the negative pressure chamber are provided on one side of the upper end surface; a proton exchange membrane and a sealing ring are provided between the surfaces of the cathode chamber and the anode chamber, and the cathode chamber and the anode chamber Other surfaces that are not bonded to each other are bonded with reaction chamber side plates through sealing rings. The invention has the advantages that: the invention can improve the excessive internal resistance of the traditional microbial fuel cell and can be applied in practice.

Description

technical field [0001] The invention belongs to the field of fuel cells, in particular to a negative pressure adsorption microbial fuel cell. Background technique [0002] Microbial fuel cell technology is a new type of power generation technology that converts the chemical energy in the organic matter into other usable energy through the oxidation of the organic matter in the substrate by the microorganisms in the anode chamber. Based on this principle, microbial fuel cell technology can generate energy while treating wastewater, which makes it possible to replace traditional wastewater treatment technology. The study found that the distance between electrodes is one of the key factors affecting the performance of microbial fuel cells, and the resistance of proton diffusion also affects the performance of microbial fuel cells to a large extent. Connecting multiple microbial fuel cells in series can effectively increase the voltage, but when the current is too large, the ph...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/16
CPCH01M8/16Y02E60/50
Inventor 倪红军张守阳汪兴兴李志扬卓露黄明宇张加俏朱昱张福豹
Owner NANTONG UNIVERSITY
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