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WO2010090403A2 - Système de pile à combustible - Google Patents

Système de pile à combustible Download PDF

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Publication number
WO2010090403A2
WO2010090403A2 PCT/KR2010/000324 KR2010000324W WO2010090403A2 WO 2010090403 A2 WO2010090403 A2 WO 2010090403A2 KR 2010000324 W KR2010000324 W KR 2010000324W WO 2010090403 A2 WO2010090403 A2 WO 2010090403A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat
water
air
fuel cell
storage tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2010/000324
Other languages
English (en)
Korean (ko)
Other versions
WO2010090403A3 (fr
Inventor
김호석
홍병선
신미남
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FuelCellPower Co Ltd
Original Assignee
FuelCellPower Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FuelCellPower Co Ltd filed Critical FuelCellPower Co Ltd
Priority to CN201080007117.2A priority Critical patent/CN102308421B/zh
Publication of WO2010090403A2 publication Critical patent/WO2010090403A2/fr
Publication of WO2010090403A3 publication Critical patent/WO2010090403A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04029—Heat exchange using liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04052—Storage of heat in the fuel cell system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04059—Evaporative processes for the cooling of a fuel cell
    • 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

Definitions

  • the present invention relates to a fuel cell system for increasing energy utilization during operation of a fuel cell system.
  • the fuel cell system uses a polymer electrolyte fuel cell (PEMFC), and a fuel processing apparatus for replacing the hydrocarbon-based raw materials (LNG, LPG, etc.) with hydrogen-rich reformed gas,
  • PEMFC polymer electrolyte fuel cell
  • a fuel cell stack that generates a direct current by electrochemically reacting hydrogen-rich reformed gas with oxygen in the air, a power converter that converts direct current power into alternating current power, a peripheral device (BOP) and a controller necessary for various processes, and And a heat recovery device for recovering heat generated during operation of the fuel cell stack.
  • the heat recovery device is composed of a heat storage tank for storing the waste heat recovered from the fuel cell stack, and an auxiliary heat source to compensate for the insufficient heat source of waste heat recovery, the heat recovered and stored in the heat recovery device is used as hot water or heating water.
  • One aspect of the present invention is to provide a fuel cell system for increasing energy utilization even when the temperature of the heat storage tank and the environment change when the fuel cell system is operated.
  • a fuel cell system includes a fuel cell stack for producing direct current power and heat by using a fuel gas and an oxidant gas, a power converter for converting the direct current power produced in the fuel cell stack into alternating current power, A cooling device circulating the coolant in the fuel cell stack to maintain the temperature state of the fuel cell stack at a set level, and circulating water connected to the cooling device to exchange heat with the coolant to recover waste heat produced in the fuel cell stack; A heat storage tank for storing, connected to the heat storage tank to circulate the hot water for heat exchange with the water to supplement the insufficient heat of the heat storage tank, connected to at least one of the heat storage tank and the auxiliary heat source device to circulate the water or hot water
  • a first heat exchanger for supplying air to the first air-cooled fan to exchange heat with the water or the hot water, and a phase Is connected to the first heat exchange groups comprises a first heat utilizing device using air of a high temperature heat in the first heat exchanger.
  • the fuel cell system according to an embodiment of the present invention may further include a first pressure sensor installed at an air discharge port of the first heat exchanger in which the first air-cooled fan is installed.
  • the first heat using device uses air by introducing high temperature air from the first heat exchanger, and has an air discharge port for discharging the cooled low temperature air, and installed at the air discharge port side to discharge the air. It may further include an exhaust fan.
  • a fuel cell system includes a water pump installed between the heat storage tank and the cooling device to circulate water from the heat storage tank to the cooling device, and installed between the cooling device and the heat storage tank. It may further include a three-way valve for selectively supplying the water recovered in the device to the water pump and the heat storage tank.
  • Fuel cell system is installed between the three-way valve and the water pump, recirculates the water discharged to the three-way valve to the cooling device, and supplies air to the second air-cooled fan It may further include a second heat exchanger for heat exchange with the water.
  • the fuel cell system according to an exemplary embodiment of the present invention may further include a second pressure sensor installed at an air discharge port of the second heat exchanger in which a second air-cooled fan is installed.
  • a fuel cell system is connected to a heating water supply line and a heating water recovery line connected to the auxiliary heat source, circulating the heating water, and using a high-temperature air heat exchanged with the heating water. It may further comprise a heat-use device.
  • the second heat using apparatus may further include a third heat exchanger for supplying air to a third air-cooling fan to exchange heat with the heating water.
  • the embodiment of the present invention connects a heat exchanger to at least one of the heat storage tank and the auxiliary heat source device, and connects the heat use device to the heat exchanger, thereby making it possible to use the heat use device using the heat remaining in the heat storage tank.
  • the utilization rate of energy is increased even when the temperature of the heat storage tank and the environment change.
  • the remaining heat of the heat storage tank may be converted into hot air in a heat using device, that is, in a laundry dryer, a food waste dryer, a dish dryer, an air heater, or the like.
  • FIG. 1 is a configuration diagram schematically showing a fuel cell system according to a first embodiment of the present invention.
  • FIG. 2 is a configuration diagram schematically illustrating a fuel cell system according to a second embodiment of the present invention.
  • FIG. 3 is a configuration diagram schematically illustrating a fuel cell system according to a third embodiment of the present invention.
  • the fuel cell system 100 of the first embodiment includes a fuel cell power generation module 110 that generates power and heat, and a heat recovery device 120 that recovers and stores the generated heat.
  • the fuel cell power generation module 110 includes a fuel processor 10, a fuel cell stack 20, a cooling device 30, a power converter 40, a system controller 50, and various peripherals (BOP) (balance of plant) ( Not shown).
  • BOP peripherals
  • the fuel processing device 10 replaces a hydrocarbon-based fuel with water and air as a reforming gas rich in hydrogen using as a raw material.
  • the fuel cell stack 20 generates the direct current power and heat by causing an electrochemical reaction using oxygen-containing air and reformed gas.
  • the cooling device 30 is connected to the heat recovery device 120 and the first water pump 31 to transfer the water of the heat recovery device 120 to exchange heat with the high temperature cooling water of the fuel cell stack 20, thereby recovering the heat recovery device 120. Heat storage).
  • the power converter 40 converts the DC power produced by the fuel cell stack 20 into AC power.
  • the system controller 50 controls the fuel cell power generation module 110 as a whole.
  • the heat recovery device 120 includes a heat storage tank 60, an auxiliary heat source 70, a first heat exchanger 80, and various peripheral balances (BOP).
  • the heat storage tank 60 is connected to the cooling device 30 to recover and store the heat produced by the fuel cell stack 20.
  • the auxiliary heat source 70 circulates hot water, for example, heating water to exchange heat with water in the heat storage tank 60 to compensate for the insufficient heat of the heat storage tank 60.
  • the first heat exchanger (80) is connected to the heat storage tank (60) and / or the auxiliary heat source (70) to circulate the hot water supplied therefrom, and supply air as a heat source medium to the first air-cooling fan (81) Heat exchange with each other.
  • the first heat exchanger 80 is connected to the heat storage tank 60 via the second water pump 82 to receive hot water from the heat storage tank 60.
  • the fuel cell system 100 further includes a first heat utilization device 90 connected to the first heat exchanger 80.
  • the first heat exchanger 80 uses the remaining heat of the heat storage tank 60, that is, the temperature change of the heat storage tank 60 and the change of the surrounding environment. By driving the energy utilization rate of the fuel cell system 100 is increased.
  • the first heat exchanger 80 has a passage through which high temperature water supplied from the second water pump 82 circulates, and an air inflow port through which air is introduced and discharged according to the driving of the first air-cooling fan 81. It has 84 and the air discharge port 85, and heat-exchanges hot water and air.
  • the first pressure sensor 86 is provided in the air discharge port 85 of the first heat exchanger 80 to sense the pressure in the air discharge port 85 and is connected to the system controller 50 to transmit a detection signal. do. Therefore, the system controller 50 may generate the first row according to the detection signal of the first pressure sensor 86, that is, when a negative pressure or a pressure decrease of the air discharge port 85 occurs more than a set value (for example, 1.5 kpa). Recognizing that the user equipment 90 operates, the first heat exchanger 80 and the first air-cooled fan 81 are controlled.
  • a set value for example, 1.5 kpa
  • the first heat using apparatus 90 is connected to the air discharge port 85 of the first heat exchanger 80 by an air passage 87 to inlet hot air into the air inlet port 91 and the heat of the hot air. And an air discharge port 92 for discharging the cooled low-temperature air.
  • the exhaust fan 93 is installed in the air discharge port 92 of the first heat exchanger 80, and high temperature air flows in through the air inlet port 91, and the air in the first heat using device 90 Is circulated, and a series of flows through which low-temperature air is discharged to the air discharge port 92, that is, forms a smooth air flow.
  • the first heat utilization apparatus 90 includes a clothes dryer, a food waste dryer, a dish dryer, an air heater, and the like, which use air as a heat source, which are connected to the air passage 87 in series or in parallel to be used. (Not shown).
  • the system controller 50 drives the second water pump 82 and the first air-cooling fan 81 when the heat storage tank 60 is filled with a small amount of heat, such as in summer, to heat the high-temperature water for the first heat exchange. It is possible to supply the high temperature air generated by heat exchange with air to the air 80 to the first heat-use device (90). Therefore, since the remaining heat of the heat storage tank 60 is used in the first heat utilization device 90 at the time when the heat is not used much, the energy utilization rate of the fuel cell system 100 is increased.
  • the fuel cell system 100 of the first embodiment is a molten carbonate fuel cell system (MCFC; Molten Carbonate Fuel Cells), a solid oxide fuel cell system (SOFC), operating at a high temperature of 600 ° C. or higher.
  • MCFC molten carbonate fuel cell system
  • SOFC solid oxide fuel cell system
  • PAFC Phosphoric Acid Fuel Cells
  • DMFC Direct Methanol Fuel Cells
  • FIG. 2 is a configuration diagram schematically showing a fuel cell system according to a second embodiment of the present invention.
  • the first heat exchanger 80 of the first embodiment may be connected to one of the heat storage tank 60 and / or the auxiliary heat source 70 to receive hot water.
  • the first heat exchanger 80 may be connected to the heat storage tank 60 as an example. It was described that the hot water is supplied.
  • the second heat exchanger 280 of the second embodiment circulates the water of the heat storage tank 60 between the heat storage tank 60 and the cooling device 30 to exchange heat with the cooling water of the cooling device 30.
  • the second heat exchanger 280 may receive heat from the cooling device 30 when the temperature of the water in the heat storage tank 60 is not high.
  • the fuel cell system 200 of the second embodiment includes a three-way valve 32 disposed in parallel to the first water pump 31 between the heat storage tank 60 and the cooling device 30. .
  • the first water pump 31 is installed between the heat storage tank 60 and the cooling device 30 to circulate relatively low temperature water from the heat storage tank 60 to the cooling device 30 so as to cool the high temperature cooling water of the cooling device 30.
  • the three-way valve 32 is installed between the cooling device 30 and the heat storage tank 60 so as to supply the water recovered from the cooling device 30 to the heat storage tank 60 or the first water pump 31. do.
  • the second heat exchanger 280 is installed between the three-way valve 32 and the first water pump 31, and the second air-cooling fan (recirculating water from the three-way valve 32 to the cooling device 30) 281) to exchange heat with water.
  • the second heat exchanger 280 has an air inlet port 284 and an air outlet port 285, and discharges air by heating the low-temperature air introduced into the air inlet port 384 by the second air cooling fan 281. Hot air is exhausted to the port 385.
  • a heat using device having the same structure as that of the first heat using device 90 of the first embodiment is connected to the air discharge port 285 of the second heat exchanger 280. Since the connection structure of the second heat exchanger 280 and the heat using device is the same as the connection structure of the first heat exchanger 80 and the first heat using device, a description thereof will be omitted.
  • the second heat exchanger 280 and the heat consuming device may be used in parallel with the first heat exchanger 80 and the first heat consuming device 90 of the first embodiment (not shown), but independently as shown in FIG. 2. May be used.
  • the second pressure sensor 286 is provided in the air discharge port 285 of the second heat exchanger 280, as in the first embodiment, to sense the pressure in the air discharge port 285, the system controller 50 ) To transmit the detection signal.
  • the system controller 50 is configured to use a heat using device (eg, when a negative pressure or a pressure decrease of the air discharge port 285 occurs above a set value (for example, 1.5 kpa) according to a detection signal of the second pressure sensor 286). Not shown) to work.
  • a heat using device eg, when a negative pressure or a pressure decrease of the air discharge port 285 occurs above a set value (for example, 1.5 kpa) according to a detection signal of the second pressure sensor 286). Not shown
  • the system controller 50 controls the first water pump 21 and the three-way valve 32 to supply the water recovered from the cooling device 30 to the first water pump 31.
  • the second air-cooling fan 281 of the second heat exchanger 280 is operated to supply hot air heated in the second heat exchanger 280 to the heat using device.
  • the heat generated from the fuel cell stack 20 can be supplied to the hot air at the time of operation of the heat utilization device, thereby increasing the convenience and usability of the heat.
  • FIG. 3 is a configuration diagram schematically illustrating a fuel cell system according to a third embodiment of the present invention.
  • the third embodiment uses the second heat using device 290 to the heat recovery device 320, for example, the heating water supply line 71 and the heating water recovery of the auxiliary heat source 70. It is connected to the line 72 to circulate the heating water, using hot air heat exchanged with the heating water.
  • the second heat utilization apparatus 290 includes a third heat exchanger 380 and a third air-cooled fan 381.
  • the second heat using device 290 flows air into the air inlet port 291 by driving of the third air-cooling fan 381, heats it with heat from the third heat exchanger 380, and then heats the air. Discharges through the discharge port 292.
  • the fuel cell system 300 of the third embodiment exemplifies a configuration for transferring heat of the fuel cell system 300 to heating water instead of air.
  • the second heat exchanger 290 and the third heat exchanger 380 of the third embodiment are the first heat exchanger 80 and the first heat exchanger 90 of the first embodiment and the second heat exchanger of the second embodiment. 280 and the heat consuming device, or in combination with both. 3 illustrates a configuration in which a second heat utilization apparatus 290 is added to the configuration of the first embodiment.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un système de pile à combustible comprenant : un empilement de piles à combustible qui produit un courant continu et de la chaleur à l'aide d'un gaz combustible d'un gaz oxydant; un convertisseur de courant qui convertit le courant continu produit par l'empilement de piles à combustible en courant alternatif; un dispositif de refroidissement qui fait circuler l'eau de refroidissement dans l'empilement de piles à combustible afin de maintenir la température de l'empilement à un niveau prédéterminé; un accumulateur de chaleur qui est raccordé au dispositif de refroidissement pour faire circuler l'eau en vue de l'échange thermique avec l'eau de refroidissement et pour récupérer et stocker la chaleur produite par l'empilement de piles à combustible; une source de chaleur auxiliaire qui est raccordée à l'accumulateur de chaleur pour faire circuler l'eau chaude en vue de l'échange thermique avec l'eau et pour augmenter la chaleur destinée à l'accumulateur de chaleur; un premier échangeur thermique qui est raccordé au moins à l'accumulateur de chaleur ou à la source de chaleur auxiliaire pour faire circuler l'eau ou l'eau chaude, et qui envoie l'air dans un premier ventilateur de refroidissement d'air pour réaliser l'échange thermique avec l'eau ou avec l'eau chaude; et un premier dispositif utilisant la chaleur raccordé au premier échangeur thermique afin d'utiliser l'air à haute température chauffé par le premier échangeur thermique.
PCT/KR2010/000324 2009-02-09 2010-01-18 Système de pile à combustible Ceased WO2010090403A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080007117.2A CN102308421B (zh) 2009-02-09 2010-01-18 燃料电池系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090010294A KR101022010B1 (ko) 2009-02-09 2009-02-09 연료전지 시스템
KR10-2009-0010294 2009-02-09

Publications (2)

Publication Number Publication Date
WO2010090403A2 true WO2010090403A2 (fr) 2010-08-12
WO2010090403A3 WO2010090403A3 (fr) 2010-10-28

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PCT/KR2010/000324 Ceased WO2010090403A2 (fr) 2009-02-09 2010-01-18 Système de pile à combustible

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KR (1) KR101022010B1 (fr)
CN (1) CN102308421B (fr)
WO (1) WO2010090403A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114156502A (zh) * 2021-11-16 2022-03-08 同济大学 一种燃料电池热电联供系统

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KR101256600B1 (ko) 2010-11-25 2013-04-19 지에스칼텍스 주식회사 연속 장기 운전이 가능한 연료전지 열병합 시스템
KR101336498B1 (ko) * 2011-11-25 2013-12-03 현대하이스코 주식회사 부품 간소화 및 제어 안정성이 우수한 온수저장 장치 및 이를 이용한 연료전지 시스템
CN102625559B (zh) * 2012-03-30 2014-06-04 安徽航天环境工程有限公司 长寿命双重点火的等离子体点火枪
CN102625558B (zh) * 2012-03-30 2014-09-03 安徽航天环境工程有限公司 带有冷却系统的等离子体加热器
CN104062623A (zh) * 2014-07-03 2014-09-24 国家电网公司 高压电力互感器低压侧短接装置
CN106848350A (zh) * 2015-12-07 2017-06-13 北京亿华通科技股份有限公司 混合动力车辆的燃料电池热电联供系统和混合动力车辆
KR102015477B1 (ko) * 2019-03-07 2019-08-28 넥셀시스템(주) 연료전지를 이용한 열원 공급 시스템
KR102080901B1 (ko) * 2019-08-07 2020-02-24 넥셀시스템(주) 연료전지를 이용한 열원 공급 시스템
KR102214024B1 (ko) * 2019-08-20 2021-02-09 넥셀시스템(주) 연료전지를 이용한 열원 공급 시스템

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JPH10197058A (ja) 1996-12-27 1998-07-31 Tokyo Gas Co Ltd 排熱投入型電気温水器及び併設した燃料電池の保温方法
JPWO2002023661A1 (ja) * 2000-09-14 2004-01-29 株式会社東芝 固体高分子型燃料電池システム
JP4423440B2 (ja) * 2001-03-12 2010-03-03 株式会社ノーリツ 熱回収システム
KR100700548B1 (ko) * 2005-08-25 2007-03-28 엘지전자 주식회사 연료전지의 난방/온수 제어 장치 및 그 방법
KR100740542B1 (ko) * 2006-05-30 2007-07-18 최성환 연료전지 폐열 회수 시스템

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114156502A (zh) * 2021-11-16 2022-03-08 同济大学 一种燃料电池热电联供系统

Also Published As

Publication number Publication date
CN102308421A (zh) 2012-01-04
WO2010090403A3 (fr) 2010-10-28
KR20100091022A (ko) 2010-08-18
KR101022010B1 (ko) 2011-03-16
CN102308421B (zh) 2014-05-28

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