CN103326033A - Preparation method of cathode of microbiological fuel cell - Google Patents
Preparation method of cathode of microbiological fuel cell Download PDFInfo
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- CN103326033A CN103326033A CN2013102261660A CN201310226166A CN103326033A CN 103326033 A CN103326033 A CN 103326033A CN 2013102261660 A CN2013102261660 A CN 2013102261660A CN 201310226166 A CN201310226166 A CN 201310226166A CN 103326033 A CN103326033 A CN 103326033A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention provides a preparation method of a cathode of a microbiological fuel cell. The method comprises the steps that: (1) a polytetrafluoroethylene solution is prepared and is preserved for later use; (2) a carbon cloth is delivered into the polytetrafluoroethylene solution for 2-3h; the carbon cloth is fetched, and is bake-dried by using a hot air blower; the carbon cloth is calcined for 5min in a calcining furnace under the temperature of 450-580 DEG C; (3) a hydrochloric acid solution is added into carbon black and silver chloride; the mixture is stirred for 20min; the polytetrafluoroethylene solution and isopropanol are added, and the mixture is subjected to centrifugation is a centrifuge for 5min; (4) the carbon black solution is coated on the surface of the carbon cloth; the carbon cloth is slightly dried, and is calcined for 25-40min; (5) the polytetrafluoroethylene solution is coated on the other side of the carbon cloth; the carbon cloth is air dried; and the step is repeated a plurality of times, such that multiple layers of polytetrafluoroethylene films are formed; and (6) the catalyst is coated on the surface of carbon black, such that a separation film is formed; the material is dried, such that the cathode is obtained. With the preparation method, the prepared cathode has good conductivity.
Description
Technical field
The present invention relates to a kind of cathode preparation method that can promote the microbiological fuel cell of cathodic conductivity.
Background technology
Along with the development of energy technology, the application of fuel cell is increasingly extensive.Microbiological fuel cell a kind of of battery that act as a fuel, its technology obtains more and more higher development.Yet the conductivity of existing microbiological fuel cell is usually lower, often needs larger conductive current and voltage could obtain expected effect, and its power loss is larger.
Summary of the invention
The technical problem that the present invention mainly solves is that the conductivity of the negative electrode of existing preparation method's acquisition can not meet the demands.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of cathode preparation method of microbiological fuel cell, comprising:
(1), the configuration polytetrafluoroethylsolution solution, for subsequent use;
(2), carbon cloth is entered 2-3h in the polytetrafluoroethylsolution solution, take out with the air-heater oven dry, then put into calciner 450-580 degree centigrade of lower calcining 5 minutes;
(3), in carbon black and silver chlorate, add hydrochloric acid solution, stirred 20 minutes, add again polytetrafluoroethylsolution solution and isopropyl alcohol, in centrifuge, separated 5 minutes;
(4), at carbon cloth surface-coated carbon black solution, slightly dry after calcining 25-40 minute;
(5), apply polytetrafluoroethylsolution solution at another of carbon cloth, calcine after air-dry, repeatedly form the multilayer polytetrafluoroethylarticles thin layer;
(6), with catalyst-coated at carbon blacksurface, form barrier film, can obtain negative electrode after the drying.
In a preferred embodiment of the present invention, the mass percent concentration of polytetrafluoroethylsolution solution is 8-12% in the step (1).
In a preferred embodiment of the present invention, the calcining heat in the step (2) is 496-523 degree centigrade.
In a preferred embodiment of the present invention, the calcination time in the step (4) is 35 minutes.
Compared to prior art, the conductivity of the negative electrode that preparation method of the present invention makes is obviously promoted.
Embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of cathode preparation method of microbiological fuel cell, comprising:
(1), the configuration polytetrafluoroethylsolution solution, for subsequent use;
(2), carbon cloth is entered 2-3h in the polytetrafluoroethylsolution solution, take out with the air-heater oven dry, then put into calciner 450-580 degree centigrade of lower calcining 5 minutes;
(3), in carbon black and silver chlorate, add hydrochloric acid solution, stirred 20 minutes, add again polytetrafluoroethylsolution solution and isopropyl alcohol, in centrifuge, separated 5 minutes;
(4), at carbon cloth surface-coated carbon black solution, slightly dry after calcining 25-40 minute;
(5), apply polytetrafluoroethylsolution solution at another of carbon cloth, calcine after air-dry, repeatedly form the multilayer polytetrafluoroethylarticles thin layer;
(6), with catalyst-coated at carbon blacksurface, form barrier film, can obtain negative electrode after the drying.
In a preferred embodiment of the present invention, the mass percent concentration of polytetrafluoroethylsolution solution is 8-12% in the step (1).
In a preferred embodiment of the present invention, the calcining heat in the step (2) is 496-523 degree centigrade.
In a preferred embodiment of the present invention, the calcination time in the step (4) is 35 minutes.
According to experiment show, compared to prior art, the conductivity of the negative electrode that preparation method of the present invention makes is obviously promoted.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. the cathode preparation method of a microbiological fuel cell is characterized in that, may further comprise the steps:
(1), the configuration polytetrafluoroethylsolution solution, for subsequent use;
(2), carbon cloth is entered 2-3h in the polytetrafluoroethylsolution solution, take out with the air-heater oven dry, then put into calciner 450-580 degree centigrade of lower calcining 5 minutes;
(3), in carbon black and silver chlorate, add hydrochloric acid solution, stirred 20 minutes, add again polytetrafluoroethylsolution solution and isopropyl alcohol, in centrifuge, separated 5 minutes;
(4), at carbon cloth surface-coated carbon black solution, slightly dry after calcining 25-40 minute;
(5), apply polytetrafluoroethylsolution solution at another of carbon cloth, calcine after air-dry, repeatedly form the multilayer polytetrafluoroethylarticles thin layer;
(6), with catalyst-coated at carbon blacksurface, form barrier film, can obtain negative electrode after the drying.
2. preparation method according to claim 1 is characterized in that, the mass percent concentration of polytetrafluoroethylsolution solution is 8-12% in the step (1).
3. preparation method according to claim 1 is characterized in that, the calcining heat in the step (2) is 496-523 degree centigrade.
4. preparation method according to claim 1 is characterized in that, the calcination time in the step (4) is 35 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102261660A CN103326033A (en) | 2013-06-07 | 2013-06-07 | Preparation method of cathode of microbiological fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102261660A CN103326033A (en) | 2013-06-07 | 2013-06-07 | Preparation method of cathode of microbiological fuel cell |
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| CN103326033A true CN103326033A (en) | 2013-09-25 |
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| CN2013102261660A Pending CN103326033A (en) | 2013-06-07 | 2013-06-07 | Preparation method of cathode of microbiological fuel cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904339A (en) * | 2014-04-05 | 2014-07-02 | 南开大学 | Preparation method of silver electrochemical modified microorganism fuel cell active carbon air cathode |
| CN104466200A (en) * | 2014-12-16 | 2015-03-25 | 浙江海洋学院 | Preparation method of composite cathode of microbial fuel cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022164A (en) * | 2007-01-19 | 2007-08-22 | 南京大学 | Method for producing fuel battery gas diffusion layer |
| CN101702440A (en) * | 2009-10-29 | 2010-05-05 | 浙江大学 | Single-chamber microbial fuel cell without metal catalyst |
| CN102386421A (en) * | 2011-11-01 | 2012-03-21 | 浙江大学 | Microbial fuel cell air cathode easy to perform scale preparation and preparation method thereof |
-
2013
- 2013-06-07 CN CN2013102261660A patent/CN103326033A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022164A (en) * | 2007-01-19 | 2007-08-22 | 南京大学 | Method for producing fuel battery gas diffusion layer |
| CN101702440A (en) * | 2009-10-29 | 2010-05-05 | 浙江大学 | Single-chamber microbial fuel cell without metal catalyst |
| CN102386421A (en) * | 2011-11-01 | 2012-03-21 | 浙江大学 | Microbial fuel cell air cathode easy to perform scale preparation and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904339A (en) * | 2014-04-05 | 2014-07-02 | 南开大学 | Preparation method of silver electrochemical modified microorganism fuel cell active carbon air cathode |
| CN104466200A (en) * | 2014-12-16 | 2015-03-25 | 浙江海洋学院 | Preparation method of composite cathode of microbial fuel cell |
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Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140404 |
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Effective date of registration: 20140404 Address after: 518052 room 217, West Tower, Nanshan digital culture industry base, Shenzhen, Nanshan District, Guangdong Applicant after: Zheng Yulin Address before: 215121, No. 3, Jinling West Road, 288 Town, Suzhou Industrial Park, Jiangsu Province, 309 Applicant before: Suzhou Nuoxin Innovation Energy Co., Ltd. |
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Application publication date: 20130925 |