CN1346759A - Electric power output control system for electric vehicle with combined fuel battery - Google Patents
Electric power output control system for electric vehicle with combined fuel battery Download PDFInfo
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- CN1346759A CN1346759A CN01136785A CN01136785A CN1346759A CN 1346759 A CN1346759 A CN 1346759A CN 01136785 A CN01136785 A CN 01136785A CN 01136785 A CN01136785 A CN 01136785A CN 1346759 A CN1346759 A CN 1346759A
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
An electric power output control system for electric vehicle with fuel battery features that a DC/DC converter is used to boost the voltage of fuel battery to proper valuve under low-load state, said fuel battery is also used as on-board charger, besides said fuel battery an external high-power secondary battery is used for supplementing additional energy under high load state, and a controller area network is used as control channel.
Description
Technical field
The present invention relates to a kind of electric power output control system of electric vehicle with combined fuel battery, especially a kind of communication by controller local area network's interface, integrate one direct current (DC)/direct current (DC) conv, a polymer electrolyte fuel cell and small-sized a, lightweight and high-power secondary battery ... etc. electric power source, make electric system maintain the elec. vehicle electric power source control system of the combined type electric energy of preferable serviceability.
Background technology
Self-propelled vehicle is exactly the maximum walking-replacing tool of China's quantity for a long time, because of it possesses the characteristic that light and handy, fuel-efficient and convenient parking are arranged, so self-propelled vehicle almost becomes the vehicle of each family's indispensability, but recent years environmental consciousness raising (concentration of carbonic oxide and hydro-carbon raises in the air, seriously destroy atmospheric structure), therefore all formulate strict discharging gas standard for vapour, self-propelled vehicle, and the self-propelled vehicle of four-stroke has preferable discharging gas standard, therefore little by little replaces the main flow that two stroke self-propelled vehiclees become market.Though there is third and fourth more harsh phase environment protection emission gas standard just preparing to implement now, the environmental protection final objective is to be to make vapour, self-propelled vehicle to reach zero standard of polluting.
For above-mentioned purpose, successfully develop at present and do not use the steam turbine motor-car of gasoline as fuel, change with the lead-acid battery of rechargeable type source as electric energy, in order to replace conventional engine, so just can reach zero standard of polluting, but its flying power not good (charging finish back can only travel about 60 kilometers approximately), and charging duration (needs about eight hours approximately) too for a long time and battery-charging station is very little ... etc. shortcoming, therefore make relevant dealer can't effectively do an expansion, and cause customer's purchase intention not high.And the present invention is at the shortcoming of conventional electric self-propelled vehicle and does an improvement, and develops a brand-new electric power output control system, and can make elec. vehicle (as self-propelled vehicle and bicycle ... etc.) possess preferable flying power arranged.
In addition, polymer electrolyte fuel cell (Polymer ElectrolyteMembrane Fuel Cell, PEMFC), be development in recent years fast speed fuel cell the most, compared to other kind types of fuel cells, be to have normal temperature (below 80 ℃) quick active and the sensitive advantage of dynamic response (Transient Response), might be widely used in future in the electric system of movable types (Portable) such as steam turbine motor-car, polymer electrolyte fuel cell adopts airborne oxygen and hydrogen fuel to do a reaction, this course of reaction is similar electrochemical adverse reaction phenomenon, in the course of reaction except producing electric energy and water, also produce used heat in addition, but can not discharge material, so polymer electrolyte fuel cell is the optimal selection of the peace and quiet energy of vehicle with toxicity.
The discharge characteristic of polymer electrolyte fuel cell, according to its film group body (MembraneElectrode Assembly, characteristic MEA) is and different, its following factors all can exert an influence:
(1) gas diffusion layers: number and shape, thickness, drainage and the electric conductivity in its in-to-in film group body opening hole all can exert an influence.
(2) active layer: content, grain size and the distribution scenario of its in-to-in catalyst kind, composition, noble metal all can exert an influence.
(3) PEM: its in-to-in thickness, aqueous ingredients, pore space structure, hole size and number all can exert an influence.
Referring to Fig. 1, it is characteristic (discharge characteristic) diagram of curves of the density of current-voltage of traditional fixedly high molecular fuel battery, also be called polar figure (PolarizationCurve) or (Tafel Curve), be to be the fixing discharge performance in high molecular fuel battery when reaction of representative type, under the standard environment of room temperature (25 ℃), generation one is the water of ear not, its heat content (Δ H
0) time be-286kJ/mole to be converted into Gibbs free energy (the Δ G of electric energy
0) be-237kJ/mole that therefore, theoretical power yield just reaches 83%, remaining-49kJ/mole (T Δ S
0), be the used heat that disengages then, polymer electrolyte fuel cell compared to conventional engine such as combustion engines, has higher energy conversion efficiency because of the electrochemical reaction of this normal temperature.Its discharge characteristic by in the polar figure as can be seen:
A-quadrant, fuel cell are subjected to the influence of activation loss (Activation Loss) when output LOW current density, during zero current (non-loaded), magnitude of voltage can't reach theoretical value (1.23V), when the output low current density, magnitude of voltage descends fast, and obviously presents non-linear.
The B zone, the energy loss of generation is subjected to the influence of interior resistance (ohmic) when mainly being the transfer of proton and electronics, be following four important parameters: the electrical impedance of electrode conductor, cathode impedance reaction, anode impedance reaction, electrolyte impedance ... etc.The i.e. linearly ratio reduction of this regional voltage along with the increase of density of current.
The C zone, the density of current of output reaches the highest, the reason of its loss is when being to take place big quantitative response, reacting gas (air and the hydrogen) molecular number that needs is more, only the transmission of reacting gas, proton is subjected to the restriction of mass transport (Mass Transfer), having little time provides the molecular number of reacting required, causes the rapid decline of magnitude of voltage.
Based on the shortcoming that solves the above conventional art, though this traditional elec. vehicle has low noise and can not cause the air-polluting characteristic, but still have that charging duration is long, cruise duration short, and the weight of battery (lead battery) too heavily reach the electrically-charging equipment deficiency ... etc. problem, all make traditional elec. vehicle be subjected to great restriction.
Summary of the invention
The electric power output control system that the purpose of this invention is to provide a kind of electric vehicle with combined fuel battery by the design optimization of direct current (DC)/direct current (DC) conv, with the tool of communications of controller local area network as communication, makes electric power source more be tending towards elastification.
The present invention is in effective applying solid high molecular fuel battery polar figure, the straight line ratio characteristic of density of current and voltage, cooperate direct current (DC)/direct current (DC) conv and the appropriate communication control device of control area net network institute bonded assembly, and when making the present invention be applied to elec. vehicle, possess good flying power and output power elasticity are arranged.
The present invention is achieved in that a kind of electric power output control system of electric vehicle with combined fuel battery, comprising: a hydrogen supply, in order to the supply of control hydrogen fuel; One electric energy drive system, this electric energy drive system are one to be the electrical motor of the energy with the direct current (DC), and exportable electric power is to driving device; One direct current (DC)/direct current (DC) conv, the electric energy with fuel cell is exported changes voltage and electric current via this direct current (DC)/direct current (DC) conv, and exports the electric energy drive system to; One high power secondary battery, an exportable electric energy is to the electric energy drive system; One fuel cell electric energy administrative unit, the output flow process of control electric energy is so that the various devices of electric energy that need of elec. vehicle can obtain suitable electric energy; And a controller local area network, do one with electric energy drive system, high power secondary battery and fuel cell electric energy administrative unit and be connected, can adjust electric energy and be output in certain scope at the demand of load.
The present invention can also realize that so a kind of electric power output control system of electric vehicle with combined fuel battery comprises: a hydrogen supply, in order to the supply of control hydrogen; One fuel cell, this fuel cell can be via output one electric energy after the reagentia; One electric energy drive system, this electric energy drive system are one to be the electrical motor of the energy with the direct current (DC), and output power is to driving device; One direct current (DC)/direct current (DC) conv, the electric energy with fuel cell is exported changes voltage via this direct current (DC)/direct current (DC) conv, and exports the electric energy drive system to; One high power secondary battery, an exportable electric energy is to the electric energy drive system; One fuel cell electric energy administrative unit, the output flow process of control electric energy is so that the various devices of electric energy that need of elec. vehicle can obtain suitable electric energy; One controller local area network is connected with electric energy drive system, high power secondary battery and fuel cell electric energy administrative unit, at the demand of load, adjusts electric energy and is output in certain scope; And a fuel cell ancillary system, the attachment component of an electric energy to elec. vehicle is provided, and makes this attachment component produce action.
Electric vehicle with combined fuel battery driving control system of the present invention has the following advantages and characteristics:
(1) with the miniwatt polymer electrolyte fuel cell as main base load power supply.
(2) carry (Peak) power supply with high power secondary battery as instantaneous and peak.
(3) replenish the high power secondary battery electric energy with polymer electrolyte fuel cell.
(4) by the control of direct current (DC)/direct current (DC) conv, make solid polymer fuel cell adjust electric power output according to road conditions, load, adjust the charge and discharge action of high power secondary battery.
(5) tool combined type power mode solves the slower problem of fuel cell system reaction, makes electric power output maintain optimum Working.
(6) with controller local area network as communication and electric energy managements such as direct current (DC)/direct current (DC) conv, high power secondary battery, fuel cells.
(7) tool combined type power mode, fuel cell are the base load power supply, and high power secondary battery is instantaneous and power supply high capacity, make electric power output device elasticity and quick, meet car load tractive performance demand.
(8) control fuel cell power output is used as power and charging, can keep fuel cell at preferable efficient and quiet rum, promotes whole efficiency and cruising radius.
(9) can make the selected elasticity that has more of fuel cell through direct current (DC)/the output electric energy of direct current (DC) control device convert fuel battery becomes than the suitable voltage scope.
(10) relative stable state of fuel cell and base load output specification miniaturization, the system response demand reduces, and fuel (hydrogen, air) supply system flow reduces relatively simultaneously, and the system design and the heat management of being derived are easier to.
(11) fuel cell miniaturization, cost significantly reduces.
(12) though cause direct current (DC)/direct current (DC) conv cost to increase, only in response to being used for fuel cell side, specification is less, and cost increases limited.
For the ease of further understanding the present invention, the present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the density of current-voltage characteristic curve of traditional polymer electrolyte fuel cell.
Fig. 2 is the density of current-voltage characteristic curve of applying solid high molecular fuel battery of the present invention.
Fig. 3 is the structural representation of power take off control system of the present invention.
Fig. 4 is an embodiment of direct current (DC) of the present invention/direct current (DC) conv.
Fig. 5 is another embodiment of direct current (DC) of the present invention/direct current (DC) conv.
Drawing reference numeral explanation: 10 hydrogen supplies; 20 fuel cells; 30 electric energy drive systems; 40 direct current (DC)/direct current (DC) conv; 41 non-isolation type direct-currents electricity/direct current (DC) conv; 42 isolated DCs electricity/direct current (DC) conv; 50 high power secondary batteries; 60 fuel cell electric energy administrative units; 70 controller local area networks; 80 fuel cell ancillary systems.
The specific embodiment
Below in conjunction with description of drawings preferred embodiment of the present invention.
Referring to Fig. 2, it is the density of current-voltage characteristic curve of applying solid high molecular fuel battery of the present invention, wherein this polymer electrolyte fuel cell is by the electrochemistry adverse reaction of air and hydrogen, generate electricity (fuel cell can be considered a small power station), in the process of generating, because of the air pressure that enters fuel cell, air themperature, humidification state (humidity variation), air cleaning degree and hydrogen utilization ratio (Hydrogen Utilization), the density of current of this fuel cell and voltage relationship, be according to the A among the figure, B, C, the D zone is shown, this is the possible variation range of polar figure, that is higher air supply pressure, air themperature, air humidity, oxygen purity and hydrogen utilization ratio, can make curve according to consult straight line E, F is offset to the right, and obtain than High Output Current density and higher output voltage, mean that output power density increases, when skew to the right, straight line is to C, during the D position, the density of current of ordering at C reaches maximum; Otherwise curve is offset left according to consult straight line E, F, and outgoing current density and voltage all reduce, and output power density reduces, and straight line A, B may be the positions of minimum.In addition, fuel cell is when low current density, though magnitude of voltage (cell pressure) is higher, but this regional curve L, the rapid reduction of E voltage, under the same state, battery is when high current density, and magnitude of voltage (cell pressure) significantly reduces, therefore, curve L, E and curve F, I are inapplicable, and for keeping the generating efficiency of certain value, the magnitude of voltage of battery should be controlled at fixed area, its higher limit is straight line J, G, and lower limit is straight line H, K.In one word, polymer electrolyte fuel cell is because of the air supply pressure, temperature, the air cleaning degree, hydrogen utilization ratio ... isoparametric change, cause outgoing current density and change of voltage, should maintain a fixing operation district A, H, K, C, G, J, under the suitable outgoing current density state of fuel cell, keep the generating rate of 65% to 40% (battery born of the same parents voltage 0.8V to 0.5V), the present invention changes broad voltage (variable quantity 25%) by direct current (DC)/direct current (DC) conv with fuel cell output and is adjusted to the suitable voltage (variable quantity 10%) of electric energy drive system.
Referring to Fig. 3, be the structural representation of electric power output system of the present invention, and the electric power output system of this elec. vehicle includes:
One hydrogen supply 10 is in order to the supply of control hydrogen fuel.
One fuel cell 20, this fuel cell 20 is a polymer electrolyte fuel cell, can be via an exportable electric energy after the reagentia.
One electric energy drive system 30, this electric energy drive system 30 are one to be the electrical motor of the energy with the direct current (DC), and exportable electric power is to the driving device (not shown).
One direct current (DC)/direct current (DC) conv 40, the electric energy with polymer electrolyte fuel cell 20 is exported changes voltage via this direct current (DC)/direct current (DC) conv 40, and exports electric energy drive system 30 to, or high power secondary battery 50 is charged.See also Fig. 4 again, be an embodiment of direct current (DC) of the present invention/direct current (DC) conv, it is the comparatively easy non-isolation type direct-current electricity of a kind of structure/direct current (DC) conv 41, its inner assembly that constitutes includes: an inductance (L), a switch (SW, it constitutes the field-effect transistor of a N shaped metal oxide-semiconductor), diode (D) and an electric capacity forms, do not need changing voltage among this embodiment via voltage transformer, can be to high power secondary battery 50 action of charging.In addition please be shown in Figure 5, be another embodiment of direct current (DC) of the present invention/direct current (DC) conv, it is the comparatively complicated isolated DC electricity/direct current (DC) conv 42 of a kind of structure, and its INT COMP is more complicated than Fig. 4, and also include a voltage transformer (T), by the changing voltage of this voltage transformer, high power secondary battery 50 is charged.
One high power secondary battery 50, an exportable electric energy is to electric energy drive system 30.
One fuel cell electric energy administrative unit 60, the output flow process of control electric energy, so that the various devices that need electric energy of elec. vehicle (as fan, radiator ... etc.) suitable electric energy can be obtained.
One controller local area network 70 is a communication interface, does one with electric energy drive system, high power secondary battery and fuel cell electric energy administrative unit and is connected, and it is to adjust electric energy and to be output in certain scope at the demand of load.
One fuel cell ancillary system 80 provides the attachment component of an electric energy to elec. vehicle, and makes this attachment component produce action.
In addition, controller local area network's 70 interfaces (Interface), the A point is the fuel cell output point, polymer electrolyte fuel cell is that multiple battery (Cell) is piled up and formed, the voltage of its output and cell density have different the variation according to the battery born of the same parents difference of piling up, the present invention is by direct current (DC)/direct current (DC) conv 40, voltage to fuel cell 20 outputs carries out switching controls in response to high power secondary battery load feedback (Feed back), when voltage output reaches less than minimum allowable voltage value (0.5V) greater than maximum allowable voltage value (0.8V), direct current (DC)/direct current (DC) conv 40 is promptly closed the voltage output from fuel cell 20, guarantee that fuel cell 20 keeps the generating efficiency of certain value, the electric power source of elec. vehicle was known by fuel cell 50 and was supplied with this moment.The B point is the output Rendezvous Point of high power secondary battery 50 and direct current (DC)/direct current (DC) conv 40, design optimization and controller local area network's 70 interfaces communication by direct current (DC)/direct current (DC) conv 40 are got in touch, as high power secondary battery 50 charge conditions (Stateof Charge, SOC) be higher than 90 to 100%, this control area Control Network 70 provides message, stop 50 chargings of 20 pairs of high power secondary batteries of fuel cell, charge condition 80% to 90% is the limited field of charging action, when charge condition 0% to 40%, promptly stop discharge, charge condition is 40% to 60%, then be the limited field of discharge, the work area of its control is that charge condition is in 60% to 80% interval.
In addition, the present invention at the electric current of integrating solid polymer fuel cell and voltage in best generating efficiency interval, with the energy disperser (Buffer) of direct current (DC)/direct current (DC) conv 40 as 20 outputs of fuel metering battery, and by controller local area network's 70 interfaces, direct current (DC)/direct current (DC) conv 40 signals are provided, regulate filling of high power secondary battery 50, discharging action, that is when a fuel cell electric vehicle high capacity (quickening) as climbing or moment, electric energy is by fuel cell 20 outputs and common supply of high power secondary battery 50 outputs, and in, when hanging down load (cruise), then look the charging of high power secondary battery 50, discharge regime, whether decision carries out charging work by the fuel cell 20 that possesses vehicle-mounted charger's function again, make fuel cell 20 therefore can maintain optimum Working, it is power load that direct current (DC)/direct current (DC) conv 40 also can be considered, high power secondary battery 50, regulating control (Regulator) between the threes such as fuel cell 20....A fuel cell electric vehicle electric control system is connected by controller local area network's 70 interfaces, controller local area network's 70 interfaces have rapid data switching rate (Fast Data Transfer Rates), elasticity (Flexibility) and implement (Easy Implementation) easily ... etc. feature, in response to the elec. vehicle electrical load requirements, reach optimization electric power application aims.
The above is preferred embodiment of the present invention only, rather than is used to limit scope of the present invention.All equalizations of doing according to claim of the present invention change and modify, and all should fall into scope of the present invention.
Claims (10)
1, a kind of electric power output control system of electric vehicle with combined fuel battery is characterized in that comprising:
One hydrogen supply is in order to the supply of control hydrogen fuel;
One electric energy drive system, this electric energy drive system are one to be the electrical motor of the energy with the direct current (DC), and exportable electric power is to driving device;
One direct current (DC)/direct current (DC) conv, the electric energy with fuel cell is exported changes voltage and electric current via this direct current (DC)/direct current (DC) conv, and exports the electric energy drive system to;
One high power secondary battery, an exportable electric energy is to the electric energy drive system;
One fuel cell electric energy administrative unit, the output flow process of control electric energy is so that the various devices of electric energy that need of elec. vehicle can obtain suitable electric energy; And
One controller local area network does one with electric energy drive system, high power secondary battery and fuel cell electric energy administrative unit and is connected, and can adjust electric energy and be output in certain scope at the demand of load.
2, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 1, it is characterized in that also being provided with in this system a fuel cell ancillary system, the attachment component of one electric energy to elec. vehicle is provided, and makes this attachment component produce action.
3, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 1 is characterized in that also being provided with in this system a fuel cell, and this fuel cell can be via an exportable electric energy after the reagentia.
4, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 3 is characterized in that this fuel cell is a solid polymer fuel cell.
5, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 4 is characterized in that this polymer electrolyte fuel cell as the vehicle mounted type charger, and high power secondary battery is charged.
6, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 1 is characterized in that this direct current (DC)/direct current (DC) conv is the regulating control between fuel cell, high power secondary battery and the electric energy drive system.
7, a kind of electric power output control system of electric vehicle with combined fuel battery is characterized in that comprising:
One hydrogen supply is in order to the supply of control hydrogen;
One fuel cell, this fuel cell can be via output one electric energy after the reagentia;
One electric energy drive system, this electric energy drive system are one to be the electrical motor of the energy with the direct current (DC), and output power is to driving device;
One direct current (DC)/direct current (DC) conv, the electric energy with fuel cell is exported changes voltage via this direct current (DC)/direct current (DC) conv, and exports the electric energy drive system to;
One high power secondary battery, an exportable electric energy is to the electric energy drive system;
One fuel cell electric energy administrative unit, the output flow process of control electric energy is so that the various devices of electric energy that need of elec. vehicle obtain suitable electric energy;
One controller local area network is connected with electric energy drive system, high power secondary battery and fuel cell electric energy administrative unit, at the demand of load, adjusts electric energy and is output in certain scope; And
One fuel cell ancillary system provides the attachment component of an electric energy to elec. vehicle, and makes this attachment component produce action.
8, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 7 is characterized in that this fuel cell is a solid polymer fuel cell.
9, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 7 is characterized in that this polymer electrolyte fuel cell as the vehicle mounted type charger, and high power secondary battery is charged.
10, the electric power output control system of a kind of electric vehicle with combined fuel battery as claimed in claim 7 is characterized in that this direct current (DC)/direct current (DC) conv is the regulating control between fuel cell, high power secondary battery and the electric energy drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01136785A CN1346759A (en) | 2001-10-25 | 2001-10-25 | Electric power output control system for electric vehicle with combined fuel battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01136785A CN1346759A (en) | 2001-10-25 | 2001-10-25 | Electric power output control system for electric vehicle with combined fuel battery |
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| CN1346759A true CN1346759A (en) | 2002-05-01 |
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| CN01136785A Pending CN1346759A (en) | 2001-10-25 | 2001-10-25 | Electric power output control system for electric vehicle with combined fuel battery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361335C (en) * | 2004-09-13 | 2008-01-09 | 上海神力科技有限公司 | Control method for improving starting and cut-off operation of fuel battery stability |
| CN100415562C (en) * | 2004-11-02 | 2008-09-03 | 上海神力科技有限公司 | Actuating device of fuel cell electric vehicle |
| CN100423406C (en) * | 2005-04-21 | 2008-10-01 | 三星Sdi株式会社 | Power supply apparatus using fuel cell and method of controlling the same |
| CN1996705B (en) * | 2006-12-21 | 2011-06-08 | 奇瑞汽车股份有限公司 | DC-DC conversion control system and control method of the mixed driven car |
| CN102398530A (en) * | 2010-08-13 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | Vehicular propulsion systems and methods for managing the same |
| CN101685869B (en) * | 2008-09-22 | 2012-05-23 | 新普科技股份有限公司 | Device and method for stabilizing fuel battery |
| CN103879299A (en) * | 2012-12-24 | 2014-06-25 | 滕召福 | Dual-purpose electric vehicle |
| CN109130880A (en) * | 2017-06-28 | 2019-01-04 | 丰田自动车株式会社 | The method of planing machine |
| CN110877741A (en) * | 2018-09-06 | 2020-03-13 | 财团法人工业技术研究院 | Power supply device, flight tool applying same and power supply method thereof |
-
2001
- 2001-10-25 CN CN01136785A patent/CN1346759A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361335C (en) * | 2004-09-13 | 2008-01-09 | 上海神力科技有限公司 | Control method for improving starting and cut-off operation of fuel battery stability |
| CN100415562C (en) * | 2004-11-02 | 2008-09-03 | 上海神力科技有限公司 | Actuating device of fuel cell electric vehicle |
| CN100423406C (en) * | 2005-04-21 | 2008-10-01 | 三星Sdi株式会社 | Power supply apparatus using fuel cell and method of controlling the same |
| CN1996705B (en) * | 2006-12-21 | 2011-06-08 | 奇瑞汽车股份有限公司 | DC-DC conversion control system and control method of the mixed driven car |
| CN101685869B (en) * | 2008-09-22 | 2012-05-23 | 新普科技股份有限公司 | Device and method for stabilizing fuel battery |
| CN102398530A (en) * | 2010-08-13 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | Vehicular propulsion systems and methods for managing the same |
| CN102398530B (en) * | 2010-08-13 | 2014-10-15 | 通用汽车环球科技运作有限责任公司 | Vehicular propulsion systems and methods for managing the same |
| CN103879299A (en) * | 2012-12-24 | 2014-06-25 | 滕召福 | Dual-purpose electric vehicle |
| CN109130880A (en) * | 2017-06-28 | 2019-01-04 | 丰田自动车株式会社 | The method of planing machine |
| CN110877741A (en) * | 2018-09-06 | 2020-03-13 | 财团法人工业技术研究院 | Power supply device, flight tool applying same and power supply method thereof |
| CN110877741B (en) * | 2018-09-06 | 2022-01-25 | 财团法人工业技术研究院 | Power supply device, flight tool applying same and power supply method thereof |
| US11444301B2 (en) | 2018-09-06 | 2022-09-13 | Industrial Technology Research Institute | Power supply device, flying tool using same and power supply method thereof |
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