CN203733888U - Control device for microbial fuel cell - Google Patents
Control device for microbial fuel cell Download PDFInfo
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- CN203733888U CN203733888U CN201320763863.5U CN201320763863U CN203733888U CN 203733888 U CN203733888 U CN 203733888U CN 201320763863 U CN201320763863 U CN 201320763863U CN 203733888 U CN203733888 U CN 203733888U
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- fuel cell
- circuit
- microbiological fuel
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- sampling circuit
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- 239000000446 fuel Substances 0.000 title claims abstract description 89
- 230000000813 microbial effect Effects 0.000 title abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 36
- 230000002906 microbiologic effect Effects 0.000 claims description 77
- 238000013519 translation Methods 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 102000018832 Cytochromes Human genes 0.000 description 2
- 108010052832 Cytochromes Proteins 0.000 description 2
- 108091006149 Electron carriers Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a control device for a microbial fuel cell, which is applied to a system for powering a load by utilizing a microbial fuel cell. The control device comprises a current sampling circuit, a voltage sampling circuit, an MPPT (maximal power point tracking) control circuit and an adjustable load (RL), wherein the input end of the current sampling circuit and the input end of the voltage sampling circuit are respectively connected with the output end of the microbial fuel cell; the output end of the current sampling circuit and the output end of the voltage sampling circuit are respectively connected to the input end of the MPPT control circuit; the output end of the MPPT control circuit is connected with the adjustable end of the adjustable load (RL). The output voltage and the output current of the microbial fuel cell are detected, and circuit parameters are adjusted through an MPPT control algorithm, so that the microbial fuel cell can work at a maximal power output state, and the working efficiency of the microbial fuel cell can be improved.
Description
Technical field
The utility model belongs to power technique fields, is specifically related to a kind of control device that is applied to microbiological fuel cell.
Background technology
Microbiological fuel cell (MFC, Microbial Fuel Cell) can be converted into electric energy by organic substance, as a kind of emerging technology, has obtained research and application at aspects such as new forms of energy, sewage disposal, water quality detections.It is fuel that microbiological fuel cell can utilize the various organic substances that can be degraded by microorganisms, in the time adopting biodegradable waste water to be fuel, can in producing electric energy, curb environmental pollution, realize the recycling of refuse, promote the coordinated development of economic, social and environment.Therefore, microbiological fuel cell provides a kind of effective new approaches for alleviating and solving energy and environment problem.
Microbiological fuel cell is to utilize electrochemical techniques microbial metabolism can be converted into a kind of device of electric energy, is a kind of brand-new electrical energy production technology growing up with microbiology, electrochemistry and material science mixing together.As shown in Figure 1, for the schematic diagram of microbiological fuel cell, MFC is made up of two chambers conventionally, i.e. the anode chamber of anaerobism and aerobic cathode chamber, and fuel is oxidized under the catalytic action of anode chamber bacterium, the electronics producing is by being positioned at the electron carrier of epicyte, (for example, cytochromes) is delivered to anode, then arrives negative electrode through external circuit, proton arrives negative electrode by proton exchange membrane, and oxidant is at negative electrode and proton and electron reaction generation water.Wherein, electron carrier is generally cytochromes, and oxidant is generally oxygen.
In the research and application of microbiological fuel cell, conventionally wish the high as far as possible power of battery output.Correlative study shows, the same with the battery of other types, the power output of microbiological fuel cell changes along with the variation of output voltage, electric current, and at certain output voltage or electric current place, power output will reach peak.As shown in Figure 2, be output current-power relation curve of two kinds of microbiological fuel cells.
Because microbiological fuel cell utilizes the various biochemistries, the electrochemical process produce power that occur in battery, reaction mechanism complexity, is affected by various factors larger.Therefore, the output characteristic of microbiological fuel cell changes, and its output is affected by the factors such as temperature, reactant concentration, pH not only, goes back time to time change.The variation of microbiological fuel cell output characteristic, makes battery be difficult to continuous firing at maximum power output state, thereby has limited the application of microbiological fuel cell.
Utility model content
The defect existing for prior art, the utility model provides a kind of control device that is applied to microbiological fuel cell, can make microbiological fuel cell be operated in maximum power output state, has improved the operating efficiency of microbiological fuel cell.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of control device that is applied to microbiological fuel cell, be applied in the system that microbiological fuel cell powers to the load, comprise current sampling circuit, voltage sampling circuit, MPPT (Maximum Power Point Tracking, MPPT maximum power point tracking) control circuit and adjustable load R
l; The input of described current sampling circuit is connected with the output of described microbiological fuel cell respectively with the input of described voltage sampling circuit; The output of described current sampling circuit and the output of described voltage sampling circuit are connected respectively to the input of described MPPT control circuit; The output of described MPPT control circuit and described adjustable load R
ladjustable side connect.
Preferably, described adjustable load R
lcomprise: DC-DC translation circuit and external loading R; Described DC-DC translation circuit is connected to described microbiological fuel cell to the supply line of described external loading R; The output of described MPPT control circuit is connected with the input of described DC-DC translation circuit.
Preferably, also comprise storage battery; Described storage battery is connected with described DC-DC translation circuit.
Preferably, described DC-DC translation circuit adopts BUCK, BOOST, these three kinds of circuit forms of BUCK-BOOST, or the distortion of these three kinds of circuit.
Preferably, described current sampling circuit is current sensor; Described voltage sampling circuit is voltage sensor.
The beneficial effects of the utility model are as follows:
The control device of what the utility model provided be applied to microbiological fuel cell, output voltage, electric current to microbiological fuel cell detect, and by MPPT control algolithm, circuit parameter is regulated, can make microbiological fuel cell be operated in maximum power output state, improve the operating efficiency of microbiological fuel cell.
Brief description of the drawings
The schematic diagram of the microbiological fuel cell that Fig. 1 provides for prior art;
Fig. 2 is output current-power relation curve chart of two kinds of microbiological fuel cells;
The microbiological fuel cell control principle drawing that Fig. 3 provides for the utility model;
The schematic diagram of the control device that is applied to microbiological fuel cell that Fig. 4 provides for the utility model;
The adjustable load R that Fig. 5 provides for the utility model
lcontrol principle drawing while adopting DC-DC translation circuit and external loading R;
Control flow schematic diagram when employing disturbance observation that Fig. 6 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
Be difficult to the problem of continuous firing at maximum power output state for microbiological fuel cell, the utility model provides a kind of control device that is applied to microbiological fuel cell, increases microbiological fuel cell power output thereby can control microbiological fuel cell maintenance work at peak power output state.Concretism is: by " MPPT maximum power point tracking " (Maximum Power Point Tracking, MPPT) technology is applied in microbiological fuel cell circuit, by the operating state of regulating cell external circuit, the output characteristic of coupling microbiological fuel cell, makes microbiological fuel cell maintain peak power output state.
Microbiological fuel cell and external loading can be reduced to the circuit shown in Fig. 3, microbiological fuel cell electromotive force is E, and internal resistance is r, i.e. the apparent internal resistance of microbiological fuel cell; The resistance of external loading is R
l.Can prove, work as R
lwhen=r, microbiological fuel cell power output maximum, for:
Therefore,, if need to make microbiological fuel cell maintain peak power output state, must meet R
l=r.But microbiological fuel cell output is subject to many factors, is engraved in variation when apparent internal resistance r, if need to make microbiological fuel cell maintain peak power output state, needs R
lchange along with r, and need meet R
l=r.
Embodiment mono-
Based on above-mentioned principle, as shown in Figure 4, the utility model provides a kind of control device that is applied to microbiological fuel cell, is applied in the system that microbiological fuel cell powers to the load, and comprises current sampling circuit, voltage sampling circuit, MPPT control circuit and adjustable load R
l; The input of described current sampling circuit is connected with the output of described microbiological fuel cell respectively with the input of described voltage sampling circuit; The output of described current sampling circuit and the output of described voltage sampling circuit are connected respectively to the input of described MPPT control circuit; The output of described MPPT control circuit and described adjustable load R
ladjustable side connect.In practical application, current sampling circuit can adopt current sensor; Voltage sampling circuit can adopt voltage sensor.Its operation principle is: S1, and when microbiological fuel cell is to adjustable load R
lwhen power supply, the battery output current value I1 of microbiological fuel cell described in current sampling circuit timing acquiring, and the described battery output current value I1 collecting is sent to MPPT control circuit;
The cell output voltage value U1 of microbiological fuel cell described in voltage sampling circuit timing acquiring, and the described cell output voltage value U1 collecting is sent to described MPPT control circuit;
S2, described MPPT control circuit receives battery output current value I1 and cell output voltage value U1, then based on MPPT control algolithm, regulates described adjustable load R
l, control described microbiological fuel cell continuous firing at maximum power output state.
It should be noted that, the circuit in Fig. 4 is the very big simplification to side circuit, and only for principle of the present utility model is described, in practical application, circuit may be more complicated.Adjustable load R
ljust expressing microbiological fuel cell external circuit load, do not limit it for resistance, may be other more complicated circuit, for example, and adjustable load R
lcomprise: DC-DC translation circuit and external loading R.Wherein, DC-DC translation circuit adopts BUCK, BOOST, these three kinds of circuit forms of BUCK-BOOST, or the distortion of these three kinds of circuit.Object lesson is shown in embodiment bis-.
Embodiment bis-
The present embodiment is with adjustable load R
ladopting DC-DC translation circuit and external loading R is that example describes, as shown in Figure 5:
Wherein, DC-DC translation circuit is connected to microbiological fuel cell to the supply line of external loading R; The output of MPPT control circuit is connected with the input of DC-DC translation circuit.In Fig. 5, microbiological fuel cell can be battery cell, can be also series, parallel or the series-parallel connection of many Battery packs; DC-DC translation circuit adopts BUCK, BOOST, these three kinds of circuit forms of BUCK-BOOST, or the distortion of these three kinds of circuit.MPPT controller is for controlling the operating state of DC-DC translation circuit, to change the output voltage of microbiological fuel cell; Current sampling circuit is for detection of battery output current, and voltage sampling circuit is for detection of cell output voltage, and testing result inputted to MPPT control circuit and carry out computing and comparison; Storage battery is selectable unit (SU), is connected with DC-DC translation circuit, for the energy of storing or releasing microbe fuel cell is exported, makes the output of whole circuit more stable.
The course of work of this example is:
(1) microbiological fuel cell is exported certain voltage and current, by DC-DC translation circuit by supply load after its pressure regulation;
Meanwhile, the battery output current value I1 of microbiological fuel cell described in current sampling circuit timing acquiring, and the described battery output current value I1 collecting is sent to MPPT control circuit; The cell output voltage value U1 of microbiological fuel cell described in voltage sampling circuit timing acquiring, and the described cell output voltage value U1 collecting is sent to described MPPT control circuit;
(2) MPPT control circuit receives battery output current value I1 and cell output voltage value U1, MPPT control circuit regulates the operating state of DC-DC translation circuit based on corresponding MPPT control algolithm, itself and microbiological fuel cell output are matched, and then control microbiological fuel cell continuous firing at maximum power output state.
Wherein, storage battery is selectable unit (SU), and when the output of microbiological fuel cell changes, or external loading R is while changing, and storage battery is adjusted the output of microbiological fuel cell by DC-DC translation circuit, maintain the voltage stabilization on external loading R.Concrete, when the output of described microbiological fuel cell is during higher than fiducial value, exceed the power storage of fiducial value in described storage battery; When the output of described microbiological fuel cell is during lower than fiducial value, described storage battery discharges the electric energy of self storage to load.
In embodiment mono-or embodiment bis-, MPPT control algolithm has multiple, as disturbance observation, increment conductance method, Feedback of Power method etc.This sentences the operation principle that common disturbance observation is example explanation MPPT:
Often at regular intervals, MPPT control circuit increases or reduces microbiological fuel cell output voltage (being referred to as disturbance), and its power output change direction after observation, thereby determines next step control signal.Concrete steps are: first, microbiological fuel cell is exported according to a certain magnitude of voltage, measure power output now; And then on the basis of this voltage, give a voltage disturbance, then measure power output, two power that relatively record for twice, if increased power, continue the disturbance to equidirectional, if power reduction, rightabout disturbance given.To adopt DC-DC translation circuit as example, when MPPT control algolithm adopts disturbance observation, control step is as follows: MPPT control circuit receives battery output current value I1 and cell output voltage value U1, regulate DC-DC translation circuit by disturbance observation, control described microbiological fuel cell continuous firing at maximum power output state, as shown in Figure 6, specifically comprise the following steps:
S21, MPPT control circuit current time receives battery output current value I1 and cell output voltage value U1, and calculates the power P 1 of current time;
S22, whether the power P 1 that MPPT control circuit judges current time is higher than the power P 2 of previous moment; If so, carry out S23; Otherwise, carry out S24;
S23, further judges that cell output voltage value U1 that current time receives is whether higher than the cell output voltage value U2 of previous moment; If so, by regulating DC-DC translation circuit to increase the output voltage values of battery with certain step-length; Then carry out S25; Otherwise, by regulating DC-DC translation circuit to reduce the output voltage values of battery with certain step-length; Then carry out S25;
S24, further judges that cell output voltage value U1 that current time receives is whether higher than the cell output voltage value U2 of previous moment; If so, by regulating DC-DC translation circuit to reduce the output voltage values of battery with certain step-length; Then carry out S25; Otherwise, by regulating DC-DC translation circuit to increase the output voltage values of battery with certain step-length; Then carry out S25;
S25, records battery output current value I1, cell output voltage value U1 and power P 1 that current time receives, while being instantly carved into for the moment, repeats above-mentioned deterministic process.
In sum, the control device of what the utility model provided be applied to microbiological fuel cell, output voltage, electric current to microbiological fuel cell detect, and by MPPT control algolithm, circuit parameter is regulated, can make microbiological fuel cell be operated in maximum power output state, improve the operating efficiency of microbiological fuel cell.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection range of the present utility model.
Claims (4)
1. a control device that is applied to microbiological fuel cell, is characterized in that, is applied in the system that microbiological fuel cell powers to the load, and comprises current sampling circuit, voltage sampling circuit, MPPT control circuit and adjustable load R
l; The input of described current sampling circuit is connected with the output of described microbiological fuel cell respectively with the input of described voltage sampling circuit; The output of described current sampling circuit and the output of described voltage sampling circuit are connected respectively to the input of described MPPT control circuit; The output of described MPPT control circuit and described adjustable load R
ladjustable side connect; Described adjustable load R
lcomprise: DC-DC translation circuit and external loading R; Described DC-DC translation circuit is connected to described microbiological fuel cell to the supply line of described external loading R; The output of described MPPT control circuit is connected with the input of described DC-DC translation circuit.
2. the control device that is applied to microbiological fuel cell according to claim 1, is characterized in that, also comprises storage battery; Described storage battery is connected with described DC-DC translation circuit.
3. the control device that is applied to microbiological fuel cell according to claim 1, is characterized in that, described DC-DC translation circuit adopts BUCK, BOOST, these three kinds of circuit forms of BUCK-BOOST, or the distortion of these three kinds of circuit.
4. the control device that is applied to microbiological fuel cell according to claim 1, is characterized in that, described current sampling circuit is current sensor; Described voltage sampling circuit is voltage sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763863.5U CN203733888U (en) | 2013-11-27 | 2013-11-27 | Control device for microbial fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763863.5U CN203733888U (en) | 2013-11-27 | 2013-11-27 | Control device for microbial fuel cell |
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| Publication Number | Publication Date |
|---|---|
| CN203733888U true CN203733888U (en) | 2014-07-23 |
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|---|---|---|---|
| CN201320763863.5U Expired - Lifetime CN203733888U (en) | 2013-11-27 | 2013-11-27 | Control device for microbial fuel cell |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078692A (en) * | 2013-11-27 | 2014-10-01 | 中科宇图天下科技有限公司 | Control device and control method for microbial fuel cell |
| CN105158700A (en) * | 2015-10-09 | 2015-12-16 | 哈尔滨工业大学 | Microbial fuel cell and multi-functional micro-electronic data acquisition device |
| CN106992570A (en) * | 2017-05-08 | 2017-07-28 | 福建农林大学 | A kind of microbiological fuel cell energy harvesting and its self-powered circuit and method |
| US10361405B2 (en) | 2014-08-21 | 2019-07-23 | Johnson & Johnson Vision Care, Inc. | Biomedical energization elements with polymer electrolytes |
| US10361404B2 (en) | 2014-08-21 | 2019-07-23 | Johnson & Johnson Vision Care, Inc. | Anodes for use in biocompatible energization elements |
| US10367233B2 (en) | 2014-08-21 | 2019-07-30 | Johnson & Johnson Vision Care, Inc. | Biomedical energization elements with polymer electrolytes and cavity structures |
| US10374216B2 (en) | 2014-08-21 | 2019-08-06 | Johnson & Johnson Vision Care, Inc. | Pellet form cathode for use in a biocompatible battery |
| US10381687B2 (en) | 2014-08-21 | 2019-08-13 | Johnson & Johnson Vision Care, Inc. | Methods of forming biocompatible rechargable energization elements for biomedical devices |
| US10386656B2 (en) | 2014-08-21 | 2019-08-20 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form separators for biocompatible energization elements for biomedical devices |
| US10451897B2 (en) | 2011-03-18 | 2019-10-22 | Johnson & Johnson Vision Care, Inc. | Components with multiple energization elements for biomedical devices |
| US10558062B2 (en) | 2014-08-21 | 2020-02-11 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form biocompatible energization primary elements for biomedical device |
| US10598958B2 (en) | 2014-08-21 | 2020-03-24 | Johnson & Johnson Vision Care, Inc. | Device and methods for sealing and encapsulation for biocompatible energization elements |
| US10627651B2 (en) | 2014-08-21 | 2020-04-21 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form biocompatible energization primary elements for biomedical devices with electroless sealing layers |
| US10775644B2 (en) | 2012-01-26 | 2020-09-15 | Johnson & Johnson Vision Care, Inc. | Ophthalmic lens assembly having an integrated antenna structure |
-
2013
- 2013-11-27 CN CN201320763863.5U patent/CN203733888U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10451897B2 (en) | 2011-03-18 | 2019-10-22 | Johnson & Johnson Vision Care, Inc. | Components with multiple energization elements for biomedical devices |
| US10775644B2 (en) | 2012-01-26 | 2020-09-15 | Johnson & Johnson Vision Care, Inc. | Ophthalmic lens assembly having an integrated antenna structure |
| CN104078692B (en) * | 2013-11-27 | 2016-05-11 | 中科宇图天下科技有限公司 | Be applied to control device and the control method of microbiological fuel cell |
| CN104078692A (en) * | 2013-11-27 | 2014-10-01 | 中科宇图天下科技有限公司 | Control device and control method for microbial fuel cell |
| US10558062B2 (en) | 2014-08-21 | 2020-02-11 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form biocompatible energization primary elements for biomedical device |
| US10361405B2 (en) | 2014-08-21 | 2019-07-23 | Johnson & Johnson Vision Care, Inc. | Biomedical energization elements with polymer electrolytes |
| US10361404B2 (en) | 2014-08-21 | 2019-07-23 | Johnson & Johnson Vision Care, Inc. | Anodes for use in biocompatible energization elements |
| US10367233B2 (en) | 2014-08-21 | 2019-07-30 | Johnson & Johnson Vision Care, Inc. | Biomedical energization elements with polymer electrolytes and cavity structures |
| US10374216B2 (en) | 2014-08-21 | 2019-08-06 | Johnson & Johnson Vision Care, Inc. | Pellet form cathode for use in a biocompatible battery |
| US10381687B2 (en) | 2014-08-21 | 2019-08-13 | Johnson & Johnson Vision Care, Inc. | Methods of forming biocompatible rechargable energization elements for biomedical devices |
| US10386656B2 (en) | 2014-08-21 | 2019-08-20 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form separators for biocompatible energization elements for biomedical devices |
| US10598958B2 (en) | 2014-08-21 | 2020-03-24 | Johnson & Johnson Vision Care, Inc. | Device and methods for sealing and encapsulation for biocompatible energization elements |
| US10627651B2 (en) | 2014-08-21 | 2020-04-21 | Johnson & Johnson Vision Care, Inc. | Methods and apparatus to form biocompatible energization primary elements for biomedical devices with electroless sealing layers |
| CN105158700B (en) * | 2015-10-09 | 2017-12-19 | 哈尔滨工业大学 | Microbiological fuel cell and microelectronic data acquisition device |
| CN105158700A (en) * | 2015-10-09 | 2015-12-16 | 哈尔滨工业大学 | Microbial fuel cell and multi-functional micro-electronic data acquisition device |
| CN106992570A (en) * | 2017-05-08 | 2017-07-28 | 福建农林大学 | A kind of microbiological fuel cell energy harvesting and its self-powered circuit and method |
| CN106992570B (en) * | 2017-05-08 | 2023-04-07 | 福建农林大学 | Microbial fuel cell energy acquisition and self-powered circuit and method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100101 Beijing city Chaoyang District Anxiang, No. 11 B block 2 layer Patentee after: CHINA SCIENCE MAPUNIVERSE TCHNDOGY Co.,Ltd. Address before: 100101 Beijing city Chaoyang District Anxiang, No. 11 B block 2 layer Patentee before: CHINA SCIENCES MAPUNIVERSE TECHNOLOGY CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |