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Electrode assembly implanted into human colon to form microbial fuel cell

A fuel cell and electrode device technology, applied in biochemical fuel cells, battery electrodes, circuits, etc., can solve problems such as affecting the generation of electric energy, unusable, and difficult electrodes.

Inactive Publication Date: 2012-02-15
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

MFC constructs are site-specific and cannot be used in patients whose transverse colon is unsuitable for electrode implantation
Secondly, MFC simply uses oxygen as an electron acceptor, which may affect the generation of electric energy due to insufficient colonic oxygen concentration.
Third, the electrode is not easy to implant in the colon

Method used

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  • Electrode assembly implanted into human colon to form microbial fuel cell
  • Electrode assembly implanted into human colon to form microbial fuel cell
  • Electrode assembly implanted into human colon to form microbial fuel cell

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Embodiment Construction

[0017] The device of this embodiment will be described in detail below with reference to the accompanying drawings. In the figure, for the convenience of illustration, the thickness between the various structures is enlarged or reduced, and the shown size does not represent the actual size. The reference figure is an idealized schematic diagram of this embodiment, and should not be considered as limiting the scope of this embodiment.

[0018] figure 1 It is a schematic diagram of an electrode device that can be implanted in human colon to form a microbial fuel cell according to this embodiment. The device consists of a cathode 1, an anode 2 and a connecting bracket 3 between them. The connecting bracket 3 between the cathode and the anode is made of insulating material with good flexibility, stability and biocompatibility, such as medical implantable silica gel, so as to ensure that the cathode 1 and the anode 2 will not come into contact with each other due to the violent p...

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Abstract

The invention belongs to the field of microbial fuel cells and particularly discloses an electrode assembly which can be implanted into a human colon to form a microbial fuel cell. The device comprises a cathode 1, an anode 2 and an attachment bracket 3, wherein the attachment bracket 3 is arranged between the cathode 1 and the anode 2. In the microbial fuel cell formed by the electrode assembly, organic matter is oxidized under the action of anode electricigens to produce electrons reaching the cathode through an external circuit, and simultaneously, protons are spread to the cathode; and as electron acceptors, trace oxygen, carbon dioxide, nitrate and fumaric acid are combined with the electrons and the protons on the cathode to generate reduction reaction to realize an electrogenesis process. The electrode assembly which can be implanted into the human colon to form the microbial fuel cell has a simple structure, can supply power to implantable medical devices by implanting the electrode assembly into a human body to form the microbial fuel cell and has longer service life.

Description

technical field [0001] The invention belongs to the field of microbial fuel cells, and in particular relates to an electrode device that can be implanted into the colon of a human body to form a microbial fuel cell, which is used to solve the problem of continuous and stable energy supply for implantable medical equipment. Background technique [0002] With the continuous development of medical technology, various implantable medical devices (Implantable Medical Devices, IMDs) for the purpose of treatment and diagnosis have been applied to various parts of the human body. Implantable medical devices are divided into two categories based on whether they require a power supply: passive and active. Those that do not require energy supply, such as artificial joints, artificial blood vessels, and plastic surgery instruments, are typical passive instruments; while active instruments, such as cardiac pacemakers, cochlear implants, and drug pumps, require a certain amount of energy ...

Claims

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Application Information

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IPC IPC(8): H01M4/86H01M8/16
CPCY02E60/50
Inventor 刘红于超灵谢倍珍
Owner BEIHANG UNIV
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