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Microbial fuel cell system capable of improving efficiency by solar energy and construction method for microbial fuel cell system

A technology of solar cells and fuel cells, applied in biochemical fuel cells, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problems of limiting power output efficiency and popularization and application, high cost and internal resistance, and consumption of external power, etc. problems, to achieve the effect of simple structure, coordinated functions, and increased production capacity

Inactive Publication Date: 2016-06-15
PEKING UNIV
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Problems solved by technology

A typical MFC not only has a complex structure, high cost and internal resistance, but also consumes a lot of external power, which limits its power output efficiency and popularization and application

Method used

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  • Microbial fuel cell system capable of improving efficiency by solar energy and construction method for microbial fuel cell system
  • Microbial fuel cell system capable of improving efficiency by solar energy and construction method for microbial fuel cell system
  • Microbial fuel cell system capable of improving efficiency by solar energy and construction method for microbial fuel cell system

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Embodiment Construction

[0026] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.

[0027] like figure 1 As shown, the microbial fuel cell system utilizing solar energy to improve efficiency in this embodiment includes: microorganism 1, anode chamber 2, cathode chamber 3, cation exchange membrane 4, anode 5, cathode 6, load 7, p-n junction semiconductor solar cell 8 and Current-limiting resistor 9; wherein, between the anode chamber 2 and the cathode chamber 3, separated by a cation exchange membrane 4, microorganisms and electrolyte solutions that can degrade pollutants and can generate electricity are placed in the anode chamber and the cathode chamber, and the anode 5 and the cathode 6 are respectively placed in the anode chamber 2 and the cathode chamber 3, and the load 7 is connected in series between the anode 5 and the cathode 6 outside the anode chamber 2 and the cathode chamber 3; in the anode chamber and the cat...

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Abstract

The invention discloses a microbial fuel cell system capable of improving efficiency by solar energy and a construction method for the microbial fuel cell system. According to the microbial fuel cell system, p-n junction semiconductor solar cells are connected in series outside a positive electrode chamber and a negative electrode chamber; the microbial fuel cell system with a synergistic effect of a solar cell and a microbial fuel cell is configured; the solar cell and the microbial fuel cell are subjected to the synergistic effect to greatly increase the electricity generation amount of the microbial fuel cell; due to the introduction of the solar cell photocatalysis, the electron-accepting capability of the negative electrode of the ''solar cell-microbial fuel cell'' system is improved, and meanwhile, the electron-supplying capability of the positive electrode is also developed to the maximum; due to the solar cell, the improvement of the efficiency of the novel microbial fuel cell system is facilitated, and the synergistic effect of the solar cell and the microbial fuel cell is realized; the microbial fuel cell system is simple in structure; the microbial fuel cell and the solar cell photocatalysis technology are adopted, so that complementary advantages and functional inter-coordination are realized; and in addition, the dual effects of sewage disposal and power generation can be realized jointly.

Description

technical field [0001] The invention relates to the field of biological energy, in particular to a microbial fuel cell system and a construction method for improving efficiency by using solar energy. Background technique [0002] The global energy and environmental problems are becoming more and more serious, and the development of new clean energy and the utilization of renewable energy have become the consensus of the world. In 1911, the British botanist Pottery experimented with yeast and Escherichia coli and announced that the use of microorganisms can generate electricity, and the research on biofuel cells began. Microbial Fuel Cell (MFC for short) is a device that uses microorganisms to directly convert the chemical energy of organic substances in wastewater into electrical energy. MFC can directly convert the chemical energy in wastewater into electrical energy, and can purify wastewater while obtaining electrical energy. A typical design of microbial fuel cells is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/16C02F3/34
CPCC02F3/34H01M8/16Y02E60/50Y02W10/37
Inventor 陈伟华陈钊丁竑瑞李艳鲁安怀胡晓东沈波
Owner PEKING UNIV
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