JP2001155753A - Fuel cell system - Google Patents
Fuel cell systemInfo
- Publication number
- JP2001155753A JP2001155753A JP33311599A JP33311599A JP2001155753A JP 2001155753 A JP2001155753 A JP 2001155753A JP 33311599 A JP33311599 A JP 33311599A JP 33311599 A JP33311599 A JP 33311599A JP 2001155753 A JP2001155753 A JP 2001155753A
- Authority
- JP
- Japan
- Prior art keywords
- fuel cell
- temperature
- combustion
- heated
- heater
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 175
- 238000002485 combustion reaction Methods 0.000 claims description 116
- 239000007789 gas Substances 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 42
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101001125854 Homo sapiens Peptidase inhibitor 16 Proteins 0.000 description 1
- 102100029324 Peptidase inhibitor 16 Human genes 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000000126 substance Substances 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、燃料電池の温度を
管理(加熱昇温)する燃料電池システムに関するもの
で、燃料電池を電源として走行する燃料電池車両に適用
して有効である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cell system for managing the temperature of a fuel cell (heating and raising the temperature), and is effective when applied to a fuel cell vehicle running using a fuel cell as a power source.
【0002】[0002]
【従来の技術】燃料電池は、周知のごとく、水素と酸素
との化学反応を利用して電力を発生する(発電する)も
のであるが、車両等の移動体の駆動源として考えられて
いる高分子電解質型燃料電池においては、0℃以下の温
度条件では、電極近傍に存在している水分が凍結し、反
応ガスの拡散を阻害したり、電解質膜の電気伝導率が低
下すると言う問題がある。2. Description of the Related Art As is well known, a fuel cell generates (generates) electric power by utilizing a chemical reaction between hydrogen and oxygen, and is considered as a driving source of a moving body such as a vehicle. In a polymer electrolyte fuel cell, under the temperature condition of 0 ° C. or lower, there is a problem that moisture existing near the electrode freezes, which inhibits the diffusion of the reaction gas and lowers the electric conductivity of the electrolyte membrane. is there.
【0003】そこで、例えば特開平7−94202号公
報に記載の発明では、燃焼式ヒータにより流体を加熱
し、その加熱された流体(温水)を燃料電池に供給する
ことにより、燃料電池を加熱昇温(暖機)している。Therefore, in the invention described in Japanese Patent Application Laid-Open No. 7-94202, for example, a fluid is heated by a combustion-type heater and the heated fluid (hot water) is supplied to the fuel cell to heat the fuel cell. It is warm (warm up).
【0004】[0004]
【発明が解決しようとする課題】しかし、燃焼式ヒータ
を起動した直後においては、燃焼式ヒータ及び流体の温
度が外気温度まで低下していることに加えて、燃焼式ヒ
ータ及び流体は比較的大きな熱容量を有しているので、
燃焼式ヒータの起動と同時に高温の流体(温水)を燃料
電池に供給することができない。したがって、燃料電池
を速やかに加熱昇温することができない。However, immediately after the start of the combustion type heater, the temperature of the combustion type heater and the fluid are reduced to the outside air temperature, and the combustion type heater and the fluid are relatively large. Because it has heat capacity,
A high-temperature fluid (hot water) cannot be supplied to the fuel cell simultaneously with the activation of the combustion heater. Therefore, the fuel cell cannot be heated and heated quickly.
【0005】本発明は、上記点に鑑み、燃料電池を速や
かに加熱昇温させることを目的とする。[0005] In view of the above, it is an object of the present invention to quickly heat and raise the temperature of a fuel cell.
【0006】[0006]
【課題を解決するための手段】本発明は、上記目的を達
成するために、請求項1に記載の発明では、水素と酸素
とを化学反応させて電力を発生させる燃料電池(1)
と、燃料を燃焼させて熱を発生させる燃焼式ヒータ
(4)と、焼式ヒータ(4)の燃焼排気を冷却した後、
その冷却した燃焼排気を燃料電池(1)に導き、燃料電
池(1)を加熱昇温させる第1燃料電池加熱手段(8、
17)と、燃焼式ヒータ(4)にて加熱された流体を燃
料電池(1)内に循環させて燃料電池(1)を加熱昇温
させる第2燃料電池加熱手段(5、14)とを有するこ
とを特徴とする。According to the first aspect of the present invention, there is provided a fuel cell for generating electric power by chemically reacting hydrogen and oxygen.
And a combustion heater (4) for burning fuel to generate heat, and after cooling combustion exhaust gas of the combustion heater (4),
A first fuel cell heating means (8, 8) for guiding the cooled combustion exhaust gas to the fuel cell (1) and heating and raising the temperature of the fuel cell (1).
17) and second fuel cell heating means (5, 14) for circulating the fluid heated by the combustion heater (4) in the fuel cell (1) to heat and raise the temperature of the fuel cell (1). It is characterized by having.
【0007】これにより、燃焼式ヒータ(4)の起動直
後であって、流体の温度が低いときであっても、高温の
燃焼排気により燃料電池(1)を速やかに加熱昇温させ
ることができる。As a result, even immediately after the start of the combustion type heater (4) and the temperature of the fluid is low, the fuel cell (1) can be quickly heated and heated by the high temperature combustion exhaust gas. .
【0008】ところで、燃焼排気の温度は、一般的に1
000℃以上であり、燃料電池(1)の耐熱温度より高
いため、燃焼排気をそのまま燃料電池(1)内に供給す
ると、燃料電池(1)が損傷してしまう。By the way, the temperature of the combustion exhaust is generally 1
Since the temperature is 000 ° C. or higher and higher than the heat-resistant temperature of the fuel cell (1), if the combustion exhaust gas is directly supplied into the fuel cell (1), the fuel cell (1) is damaged.
【0009】これに対して、本発明では、燃焼排気を冷
却した後、その冷却した燃焼排気を燃料電池(1)に供
給しているので、燃料電池(1)が損傷してしまうこと
を未然に防止することができる。On the other hand, in the present invention, since the cooled combustion exhaust gas is supplied to the fuel cell (1) after cooling the combustion exhaust gas, it is possible to prevent the fuel cell (1) from being damaged. Can be prevented.
【0010】また、燃焼排気及び燃焼式ヒータ(4)に
より加熱された流体の両者により燃料電池(1)を加熱
昇温することができるので、燃焼排気又は流体のいずれ
か一方のみで燃料電池(1)を加熱昇温させる場合に比
べて、燃焼式ヒータ(4)で発生した熱を有効的に燃料
電池(1)に与えることができる。Further, the fuel cell (1) can be heated and heated by both the combustion exhaust gas and the fluid heated by the combustion type heater (4), so that the fuel cell (1) can be heated only by either the combustion exhaust gas or the fluid. The heat generated by the combustion type heater (4) can be effectively given to the fuel cell (1), as compared with the case where the temperature is raised by heating (1).
【0011】ところで、流体の温度が低いときに、燃焼
排気と流体とを燃料電池(1)に供給すると、燃料電池
(1)内において燃焼排気の熱が低温の流体に伝熱して
しまい、燃焼排気の熱を効率良く燃料電池(1)に与え
ることができなくなるおそれがある。By the way, when the combustion exhaust gas and the fluid are supplied to the fuel cell (1) when the temperature of the fluid is low, the heat of the combustion exhaust gas is transferred to the low-temperature fluid in the fuel cell (1), so that the combustion is performed. There is a possibility that the heat of the exhaust gas cannot be efficiently supplied to the fuel cell (1).
【0012】これに対して、請求項2に記載の発明で
は、燃焼式ヒータ(4)にて加熱された流体の温度が所
定温度未満のときには、第1燃料電池加熱手段(8、1
7)にて燃料電池(1)を加熱昇温させ、燃焼式ヒータ
(4)にて加熱された流体の温度が所定温度以上のとき
は、第1燃料電池加熱手段(8、17)に加えて、第2
燃料電池加熱手段(5、14)にて燃料電池(1)を加
熱昇温させることを特徴としている。On the other hand, according to the second aspect of the invention, when the temperature of the fluid heated by the combustion heater (4) is lower than a predetermined temperature, the first fuel cell heating means (8, 1
7) The fuel cell (1) is heated and heated, and when the temperature of the fluid heated by the combustion heater (4) is equal to or higher than a predetermined temperature, it is added to the first fuel cell heating means (8, 17). And the second
It is characterized in that the fuel cell (1) is heated and heated by the fuel cell heating means (5, 14).
【0013】これにより、流体の温度が低いときに、燃
焼排気の熱が低温の流体に伝熱してしまうことを防止で
きるので、燃焼排気の熱を効率良く燃料電池(1)に与
えることができる。Thus, when the temperature of the fluid is low, the heat of the combustion exhaust can be prevented from being transferred to the low-temperature fluid, so that the heat of the combustion exhaust can be efficiently provided to the fuel cell (1). .
【0014】なお、請求項3に記載の発明のごとく、燃
焼排気中に新気を注入することにより、燃焼排気を冷却
してもよい。[0014] According to a third aspect of the present invention, the combustion exhaust may be cooled by injecting fresh air into the combustion exhaust.
【0015】また、請求項4に記載の発明のごとく、燃
焼排気中に水を噴射することにより、燃焼排気を冷却し
てもよい。Further, the combustion exhaust gas may be cooled by injecting water into the combustion exhaust gas.
【0016】また、請求項5に記載の発明のごとく、燃
焼式ヒータ(4)に燃料電池(1)に循環させる流体を
加熱する電気ヒータ(4a)を内蔵してもよい。Further, as in the fifth aspect of the present invention, the electric heater (4a) for heating the fluid circulated through the fuel cell (1) may be built in the combustion type heater (4).
【0017】また、請求項6に記載の発明のごとく、燃
焼式ヒータ(4)は、燃料電池(1)の燃料を燃焼させ
て熱を発生させることが望ましい。Further, as in the sixth aspect of the present invention, it is desirable that the combustion heater (4) generates heat by burning the fuel of the fuel cell (1).
【0018】因みに、上記各手段の括弧内の符号は、後
述する実施形態に記載の具体的手段との対応関係を示す
一例である。Incidentally, the reference numerals in parentheses of the above means are examples showing the correspondence with specific means described in the embodiments described later.
【0019】[0019]
【発明の実施の形態】(第1実施形態)本実施形態は、
本発明に係る燃料電池システムを燃料電池を電源として
走行する電気自動車(燃料電池車両)に適用したもので
あって、図1は本実施形態に係る燃料電池システムの模
式図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment)
The fuel cell system according to the present invention is applied to an electric vehicle (fuel cell vehicle) that runs using a fuel cell as a power source, and FIG. 1 is a schematic diagram of the fuel cell system according to the present embodiment.
【0020】図1中、1は水素と酸素との化学反応を利
用して電力を発生し、走行用電動モータやバッテリ等の
電気機器EVに電力を供給する燃料電池(FCスタッ
ク)であり、この燃料電池1は、図2に示すように、電
解質膜1a、カーボンクロス1b、冷却板1c、セパレ
ータ1d、冷媒(流体)流路1e、及び空気(酸素)通
路1fからなる公知の固体高分子型のもである。In FIG. 1, reference numeral 1 denotes a fuel cell (FC stack) that generates electric power by utilizing a chemical reaction between hydrogen and oxygen and supplies electric power to an electric device EV such as a running electric motor or a battery. As shown in FIG. 2, this fuel cell 1 is a known solid polymer composed of an electrolyte membrane 1a, a carbon cloth 1b, a cooling plate 1c, a separator 1d, a refrigerant (fluid) passage 1e, and an air (oxygen) passage 1f. It is also a type.
【0021】なお、燃料電池1に供給される水素は、水
とメタノールとから生成されたもので、この生成された
水素は、空気通路1fに対して直交する方向に燃料電池
1内を流通し、空気通路1f内を流通する空気(酸素)
と反応して電力を発生する。因みに、2は生成された水
素を燃料電池1に供給するための水素配管であり、3は
空気通路1f(燃料電池1)に供給する空気が流通する
空気配管である。The hydrogen supplied to the fuel cell 1 is generated from water and methanol, and the generated hydrogen flows through the fuel cell 1 in a direction orthogonal to the air passage 1f. Air (oxygen) flowing in the air passage 1f
To generate electric power. Incidentally, reference numeral 2 denotes a hydrogen pipe for supplying the generated hydrogen to the fuel cell 1, and reference numeral 3 denotes an air pipe through which air supplied to the air passage 1f (the fuel cell 1) flows.
【0022】また、図1中、4は燃料を燃焼させて熱を
発生させる燃焼式ヒータであり、5は燃焼式ヒータ3に
て加熱された冷媒(流体)を燃料電池1(冷媒流路1
f)に供給する(循環させる)冷媒配管である。6は冷
媒と外気(大気)とを熱交換し、冷媒を冷却するラジエ
ータであり、このラジエータ6は、燃焼式ヒータ4内を
流通する冷媒流れと並列となるように冷媒回路中に配設
されている。なお、本実施形態では、水素を生成するた
めメタノール(燃料電池1の燃料)を燃焼式ヒータ4の
燃料としている。In FIG. 1, reference numeral 4 denotes a combustion heater for burning fuel to generate heat, and reference numeral 5 denotes a refrigerant (fluid) heated by the combustion heater 3 in a fuel cell 1 (refrigerant passage 1).
This is a refrigerant pipe to be supplied (circulated) to f). Reference numeral 6 denotes a radiator that exchanges heat between the refrigerant and the outside air (atmosphere) and cools the refrigerant. The radiator 6 is disposed in the refrigerant circuit so as to be in parallel with the flow of the refrigerant flowing through the combustion type heater 4. ing. In this embodiment, methanol (fuel of the fuel cell 1) is used as fuel for the combustion heater 4 in order to generate hydrogen.
【0023】7は燃焼式ヒータ4から流出する冷媒を燃
料電池1を迂回させて燃焼式ヒータ4に還流させるバイ
パス回路であり、8は燃焼式ヒータ4の燃焼排気を燃料
電池1(空気通路1f)に供給する排気管(排気通路)
である。Reference numeral 7 denotes a bypass circuit for circulating the refrigerant flowing out of the combustion type heater 4 and returning to the combustion type heater 4 by bypassing the fuel cell 1. Reference numeral 8 designates the combustion exhaust gas of the combustion type heater 4 as the fuel cell 1 (air passage 1f). ) Exhaust pipe (exhaust passage)
It is.
【0024】なお、9はバイパス回路7及び燃料電池1
に流通させる冷媒量を調節する第1流量調節弁(第1流
量調節手段)であり、10はラジエータ6及び燃焼式ヒ
ータ4に流通させる冷媒量を調節する第2流量調節弁
(第2流量調節手段)であり、11は燃焼排気を燃料電
池1に供給する場合と大気中に排出する場合とを切り換
えるとともに、燃料電池1に供給する燃焼排気の量を調
節する第3流量調節弁(第3流量調節手段)である。Reference numeral 9 denotes a bypass circuit 7 and a fuel cell 1
A first flow control valve (first flow control means) for controlling the amount of refrigerant flowing through the second flow control valve (second flow control) for controlling the amount of refrigerant flowing through the radiator 6 and the combustion type heater 4 Means 11 for switching between a case where the combustion exhaust gas is supplied to the fuel cell 1 and a case where the combustion exhaust gas is discharged into the atmosphere, and a third flow control valve (third control valve) for adjusting the amount of the combustion exhaust gas supplied to the fuel cell 1. Flow control means).
【0025】12、13は燃料電池1(空気通路1f)
内に発電用の空気(空気配管3から供給される空気)を
させる場合と、燃焼排気を流通させる場合とを切り換え
る切換弁であり、この2つの切換弁12、13は互いに
連動して作動するものである。因みに、燃料電池1(空
気通路1f)内において、発電用の空気の流通の向き
は、燃焼気排気の流通の向きと逆向きである。Reference numerals 12 and 13 denote a fuel cell 1 (air passage 1f).
A switching valve for switching between a case where air for power generation (air supplied from the air pipe 3) and a case where combustion exhaust gas is circulated therein. The two switching valves 12 and 13 operate in conjunction with each other. Things. Incidentally, in the fuel cell 1 (air passage 1f), the direction of the flow of the air for power generation is opposite to the direction of the flow of the combustion exhaust gas.
【0026】14は冷媒を循環させるウォータポンプで
あり、15は燃焼式ヒータ4に燃料を供給する燃料ポン
プであり、16は燃焼式ヒータ4に燃焼用の空気を供給
する第1エアポンプである。17は、排気管8内に外気
(新気)を供給して、燃焼排気を希釈させてその温度を
低下させる第2エアポンプである。Reference numeral 14 denotes a water pump for circulating a refrigerant, 15 denotes a fuel pump for supplying fuel to the combustion type heater 4, and 16 denotes a first air pump for supplying combustion air to the combustion type heater 4. Reference numeral 17 denotes a second air pump which supplies outside air (fresh air) into the exhaust pipe 8 to dilute the combustion exhaust gas to lower its temperature.
【0027】18、19は冷媒の温度を検出する第1、
2温度センサ(第1、2冷媒温度検出手段)であり、第
1温度センサ18は燃料電池1から流出した直後の冷媒
の温度を検出し、第2温度センサ19は、バイパス回路
7から流出する冷媒の温度を検出する。20は燃料電池
1(電解質膜1a)の温度を検出するFC温度センサで
あり、このFC温度センサ20は、複数箇所にて燃料電
池1の温度を検出している。Reference numerals 18 and 19 denote first and second sensors for detecting the temperature of the refrigerant.
Two temperature sensors (first and second refrigerant temperature detecting means), the first temperature sensor 18 detects the temperature of the refrigerant immediately after flowing out of the fuel cell 1, and the second temperature sensor 19 flows out of the bypass circuit 7. Detects the temperature of the refrigerant. Reference numeral 20 denotes an FC temperature sensor that detects the temperature of the fuel cell 1 (the electrolyte membrane 1a). The FC temperature sensor 20 detects the temperature of the fuel cell 1 at a plurality of locations.
【0028】そして、各センサ18〜20の検出温度
は、図3に示すように、電子制御装置(ECU)21に
入力されており、ECU21は各センサ18〜20の検
出温度に基づいて予め設定されたプログラムに従って、
燃焼式ヒータ4、第1〜3流量調節弁9〜11、切換弁
12、13、ウォータポンプ14、燃料ポンプ15、及
び第1、2エアポンプ16、17等の機器を制御する。The detected temperatures of the sensors 18 to 20 are input to an electronic control unit (ECU) 21 as shown in FIG. 3, and the ECU 21 sets in advance based on the detected temperatures of the sensors 18 to 20. According to the program
Devices such as the combustion heater 4, the first to third flow control valves 9 to 11, the switching valves 12 and 13, the water pump 14, the fuel pump 15, and the first and second air pumps 16 and 17 are controlled.
【0029】次に、本実施形態の作動を図4に示すフロ
ーチャートに基づいて述べる。Next, the operation of this embodiment will be described with reference to the flowchart shown in FIG.
【0030】車両の始動スイッチ(図示せず。)が投入
されると、燃料電池1の温度(FC温度センサ20の検
出温度)を読み込み(S100)、燃料電池1の温度
(FC温度)Tfcが第1所定温度T1以上、第2所定
温度以下であるか否かを判定する(S110)。When a vehicle start switch (not shown) is turned on, the temperature of the fuel cell 1 (the temperature detected by the FC temperature sensor 20) is read (S100), and the temperature of the fuel cell 1 (FC temperature) Tfc is determined. It is determined whether the temperature is equal to or higher than the first predetermined temperature T1 and equal to or lower than the second predetermined temperature (S110).
【0031】ここで、第1所定温度T1は、燃料電池1
にて発電を行うことができる最低温度に対して所定の余
裕を加味した温度を意味し、第2所定温度は燃料電池に
て発電を行うことができる最高温度に対して所定の余裕
を加味した温度を意味するものである。Here, the first predetermined temperature T1 is determined by the fuel cell 1
Means the temperature in which a predetermined margin is added to the lowest temperature at which power can be generated, and the second predetermined temperature takes into account a predetermined margin with respect to the maximum temperature at which power can be generated by the fuel cell. It means temperature.
【0032】そして、FC温度Tfcが第1所定温度未
満であるときには、バイパス回路7から流出する冷媒の
温度Tw1(第2温度センサ19の検出温度)が第3所
定温度T3以上となるまで、燃焼排気を燃料電池1内を
流通させるように第3流量調節弁11及び切換弁12、
13を作動させるとともに、燃焼式ヒータ4にて加熱さ
れた冷媒の全てがバイパス回路7を流通するように第1
流量調節弁9を作動させた状態(以下、この状態を第1
暖機モードと呼ぶ。)で、ウォータポンプ14及び燃焼
式ヒータ4を始動させる(S120〜S150)。な
お、第3所定温度T3は、第1所定温度T1以上、第2
所定温度T2未満の温度である。When the FC temperature Tfc is lower than the first predetermined temperature, the combustion is continued until the temperature Tw1 of the refrigerant flowing out of the bypass circuit 7 (the temperature detected by the second temperature sensor 19) becomes equal to or higher than the third predetermined temperature T3. A third flow control valve 11 and a switching valve 12 so that the exhaust gas flows through the fuel cell 1;
13 so that all of the refrigerant heated by the combustion type heater 4 flows through the bypass circuit 7.
A state in which the flow control valve 9 is operated (hereinafter, this state is referred to as a first state).
Called warm-up mode. ), The water pump 14 and the combustion type heater 4 are started (S120 to S150). Note that the third predetermined temperature T3 is equal to or higher than the first predetermined temperature T1,
The temperature is lower than the predetermined temperature T2.
【0033】その後、温度Tw1が第3所定温度以上と
なったときには、燃料電池1から流出する冷媒の温度T
w2(第1温度センサ18の検出温度)が第1所定温度
T1以上となるまで、燃焼排気に加えて、燃焼式ヒータ
4にて加熱された冷媒の全てを燃料電池1に供給する第
2暖機モードを実行する(S160、S170)。Thereafter, when the temperature Tw1 becomes equal to or higher than the third predetermined temperature, the temperature T1 of the refrigerant flowing out of the fuel cell 1 is increased.
Until w2 (the temperature detected by the first temperature sensor 18) becomes equal to or higher than the first predetermined temperature T1, the second warming which supplies all the refrigerant heated by the combustion type heater 4 to the fuel cell 1 in addition to the combustion exhaust gas. The machine mode is executed (S160, S170).
【0034】ここで、第1、2暖機モードでは、第2エ
アポンプ17により排気管8中に新気を送り込み、燃焼
排気を希釈冷却して燃料電池1に供給している。そし
て、排気管8や第2エアポンプ17等により、燃焼排気
を冷却した後、その冷却した燃焼排気を燃料電池1に導
いて燃料電池1を加熱昇温させる第1燃料電池加熱手段
が構成されている。また、冷媒配管5やウォータポンプ
14等により、燃焼式ヒータ4にて加熱された冷媒を燃
料電池1内に循環させて燃料電池1を加熱昇温させる第
2燃料電池加熱手段が構成されている。Here, in the first and second warm-up modes, fresh air is sent into the exhaust pipe 8 by the second air pump 17, and the combustion exhaust gas is diluted and cooled to be supplied to the fuel cell 1. After the combustion exhaust gas is cooled by the exhaust pipe 8 and the second air pump 17 and the like, the first fuel cell heating means is configured to guide the cooled combustion exhaust gas to the fuel cell 1 to heat and raise the temperature of the fuel cell 1. I have. Further, a second fuel cell heating means for circulating the refrigerant heated by the combustion type heater 4 in the fuel cell 1 by the refrigerant pipe 5 and the water pump 14 to heat and raise the temperature of the fuel cell 1 is configured. .
【0035】その後、燃料電池1から流出する冷媒の温
度Tw2が第1所定温度T1以上となったときには、燃
料電池1が発電することができ得る状態になったものと
見なして、燃焼式ヒータ4を停止を停止して燃焼排気を
燃料電池1に供給することを停止し(S180)、水素
及び酸素(空気)を燃料電池1に供給して発電を開始す
る(S190)。Thereafter, when the temperature Tw2 of the refrigerant flowing out of the fuel cell 1 becomes equal to or higher than the first predetermined temperature T1, it is considered that the fuel cell 1 is in a state capable of generating power, and the combustion type heater 4 Is stopped to stop supplying combustion exhaust gas to the fuel cell 1 (S180), and hydrogen and oxygen (air) are supplied to the fuel cell 1 to start power generation (S190).
【0036】次に、発電開始後に検出した温度Tw2が
第4所定温度T4以上であるか否かを判定し(S20
0)、温度Tw2が第4所定温度T4以上となったとき
には、冷媒をラジエータ6に流通させるとともに、温度
Tw2が第1所定温度T1以上、第2所定温度T2以下
となるように、ラジエータ6に流通させる冷媒量及びラ
ジエータ6に供給する冷却風量を制御するFC冷却モー
ドを実行する(S210)。なお、第4所定温度T4
は、第3所定温度T3以上、第2所定温度T2未満の温
度である。Next, it is determined whether the temperature Tw2 detected after the start of power generation is equal to or higher than the fourth predetermined temperature T4 (S20).
0), when the temperature Tw2 is equal to or higher than the fourth predetermined temperature T4, the refrigerant is circulated to the radiator 6, and the radiator 6 is controlled so that the temperature Tw2 is equal to or higher than the first predetermined temperature T1 and equal to or lower than the second predetermined temperature T2. An FC cooling mode for controlling the amount of refrigerant to be circulated and the amount of cooling air supplied to the radiator 6 is executed (S210). The fourth predetermined temperature T4
Is a temperature equal to or higher than the third predetermined temperature T3 and lower than the second predetermined temperature T2.
【0037】因みに、S110にて燃料電池1の温度
(FC温度)Tfcが第1所定温度T1以上、第2所定
温度以下であると判定されたときには、燃料電池1を加
熱昇温(暖機)する必要がないものと見なして、発電を
開始する(S190)。Incidentally, when it is determined in S110 that the temperature (FC temperature) Tfc of the fuel cell 1 is equal to or higher than the first predetermined temperature T1 and equal to or lower than the second predetermined temperature, the fuel cell 1 is heated and heated (warm-up). Assuming that there is no need to perform power generation, power generation is started (S190).
【0038】また、S110にて燃料電池1の温度(F
C温度)Tfcが第2所定温度より高いと判定されたと
きには、燃料電池1の温度が過度に上昇(オーバヒー
ト)しているものともなして、冷媒をラジエータ6と燃
料電池1との間で循環させて燃料電池1を冷却する(S
200)。At S110, the temperature of the fuel cell 1 (F
When it is determined that (C temperature) Tfc is higher than the second predetermined temperature, it is assumed that the temperature of the fuel cell 1 is excessively increased (overheated), and the refrigerant is circulated between the radiator 6 and the fuel cell 1. To cool the fuel cell 1 (S
200).
【0039】次に、本実施形態の特徴を述べる。Next, the features of this embodiment will be described.
【0040】本実施形態では、燃焼式ヒータ4の燃焼排
気にて燃料電池1を加熱昇温させる第1燃料電池加熱手
段を有しているので、燃焼式ヒータ4の起動直後であっ
て、冷媒温度が低いときであっても、高温の燃焼排気に
より燃料電池1を速やかに加熱昇温させることができ
る。In this embodiment, since the first fuel cell heating means for heating and raising the temperature of the fuel cell 1 by the combustion exhaust gas of the combustion type heater 4 is provided, the refrigerant is supplied immediately after the combustion type heater 4 is started. Even when the temperature is low, the fuel cell 1 can be quickly heated and heated by the high-temperature combustion exhaust gas.
【0041】ところで、燃焼排気の温度は、一般的に1
000℃以上であり、燃料電池1(電解質膜1a)の耐
熱温度(固体高分子型では、約100℃)より高いた
め、燃焼排気をそのまま燃料電池1内に供給すると、燃
料電池1(電解質膜1a)が損傷してしまう。Incidentally, the temperature of the combustion exhaust gas is generally 1
000 ° C. or higher and higher than the heat-resistant temperature of the fuel cell 1 (electrolyte membrane 1a) (about 100 ° C. in the case of the solid polymer type). 1a) is damaged.
【0042】これに対して、本実施形態では、第2エア
ポンプ17により新気を排気管8中に供給して燃焼排気
の温度を(約200℃まで)低下させた状態で、燃焼排
気を燃料電池1に供給しているので、燃料電池1(電解
質膜1a)が損傷してしまうことを未然に防止すること
ができる。On the other hand, in the present embodiment, the fresh air is supplied to the exhaust pipe 8 by the second air pump 17 to lower the temperature of the combustion exhaust (to about 200 ° C.) and the combustion exhaust is Since the fuel cell 1 is supplied, the fuel cell 1 (electrolyte membrane 1a) can be prevented from being damaged.
【0043】ところで、冷媒温度が低いときに、燃焼排
気と冷媒とを燃料電池1に供給すると、燃料電池1内に
おいて燃焼排気の熱が低温の冷媒に伝熱してしまい、燃
焼排気の熱を効率良く燃料電池1に与えることができな
くなるおそれがある。By the way, when the combustion exhaust gas and the refrigerant are supplied to the fuel cell 1 when the refrigerant temperature is low, the heat of the combustion exhaust is transferred to the low-temperature refrigerant in the fuel cell 1, and the heat of the combustion exhaust gas is efficiently removed. There is a possibility that the fuel cell 1 cannot be provided well.
【0044】これに対して、本実施形態では、燃焼式ヒ
ータ4により加熱された冷媒の温度が第3所定温度T3
未満であるときには、燃焼排気によって燃料電池1を加
熱昇温し、冷媒の温度が第3所定温度T3以上となった
ときには、燃焼排気及び加熱された冷媒により燃料電池
1を加熱昇温するので、冷媒温度が低いときに、燃焼排
気の熱が低温の冷媒に伝熱してしまうことを防止でき
る。したがって、燃焼排気の熱を効率良く燃料電池1に
与えることができる。On the other hand, in the present embodiment, the temperature of the refrigerant heated by the combustion type heater 4 is equal to the third predetermined temperature T3.
When the temperature is lower than the predetermined temperature, the fuel cell 1 is heated and heated by the combustion exhaust gas. When the temperature of the refrigerant becomes equal to or higher than the third predetermined temperature T3, the fuel cell 1 is heated and heated by the combustion exhaust gas and the heated refrigerant. When the refrigerant temperature is low, it is possible to prevent the heat of the combustion exhaust from being transferred to the low-temperature refrigerant. Therefore, the heat of the combustion exhaust gas can be efficiently provided to the fuel cell 1.
【0045】また、燃焼式ヒータ4により加熱された冷
媒の温度が第3所定温度T3以上のときには、燃焼排気
及び燃焼式ヒータ4により加熱された冷媒の両者により
燃料電池1を加熱昇温するので、燃焼排気又は冷媒のい
ずれか一方のみで燃料電池1を加熱昇温させる場合に比
べて、燃焼式ヒータ4で発生した熱を有効的に燃料電池
1に与えることができる。When the temperature of the refrigerant heated by the combustion heater 4 is equal to or higher than the third predetermined temperature T3, the fuel cell 1 is heated and heated by both the combustion exhaust gas and the refrigerant heated by the combustion heater 4. The heat generated by the combustion type heater 4 can be effectively given to the fuel cell 1 as compared with the case where the fuel cell 1 is heated and heated only by one of the combustion exhaust and the refrigerant.
【0046】ところで、固体高分子型の燃料電池では、
電解質膜1aを加湿する必要があるが、本実施形態で
は、燃料電池1内に燃焼排気を供給しているので、燃焼
排気中に含まれる水蒸気により電解質膜1aを加湿する
ことができる。Incidentally, in a polymer electrolyte fuel cell,
Although it is necessary to humidify the electrolyte membrane 1a, in this embodiment, since the combustion exhaust is supplied into the fuel cell 1, the electrolyte membrane 1a can be humidified by the water vapor contained in the combustion exhaust.
【0047】(第2実施形態)第1実施形態では、第1
エアポンプ17により新気を排気管8に注入することに
より燃料電池1に供給する燃焼排気を冷却したが、本実
施形態は、図5に示すように、保温等の凍結防止策が施
された貯水タンク22を設けるとともに、インジェクタ
(噴射装置)23により貯水タンク22内に蓄えられた
水を排気管8内に噴射することにより、燃焼排気を加湿
冷却するものである。(Second Embodiment) In the first embodiment, the first
The combustion exhaust gas supplied to the fuel cell 1 is cooled by injecting fresh air into the exhaust pipe 8 by the air pump 17, but in the present embodiment, as shown in FIG. In addition to providing the tank 22, the water stored in the water storage tank 22 is injected into the exhaust pipe 8 by an injector (injection device) 23 to humidify and cool the combustion exhaust gas.
【0048】これにより、電解質膜1aをより確実に加
湿しながら、燃焼排気を冷却することができる。Thus, the combustion exhaust gas can be cooled while humidifying the electrolyte membrane 1a more reliably.
【0049】(第3実施形態)本実施形態は、図6に示
すように、第1実施形態に係る燃料電池システム(図1
参照)に対して、燃焼式ヒータ4から流出する冷媒を燃
料電池1を迂回させて燃焼式ヒータ4に還流させるバイ
パス回路7及び第2温度センサ19を廃止したものであ
る。(Third Embodiment) As shown in FIG. 6, this embodiment is a fuel cell system according to the first embodiment (FIG. 1).
1), the bypass circuit 7 for bypassing the fuel cell 1 to return the refrigerant flowing out of the combustion heater 4 to the combustion heater 4 and the second temperature sensor 19 are eliminated.
【0050】なお、本実施形態は、第2実施形態に係る
燃料電池システム(図5参照)に対して適用してもよ
い。This embodiment may be applied to the fuel cell system according to the second embodiment (see FIG. 5).
【0051】(第4実施形態)本実施形態は、図7に示
すように、燃料電池1に循環させる冷媒(流体)を加熱
する電気ヒータ4aを燃焼式ヒータ4内に内蔵したもの
である。なお、図7中、4bは着火装置であり、4cは
燃料噴射ノズルである。(Fourth Embodiment) In this embodiment, as shown in FIG. 7, an electric heater 4a for heating a refrigerant (fluid) circulated through the fuel cell 1 is built in the combustion type heater 4. In FIG. 7, 4b is an ignition device, and 4c is a fuel injection nozzle.
【0052】これにより、燃焼式ヒータ4の燃焼熱(燃
焼排気の熱及び冷媒に供給された熱の両者)に加えて、
電気ヒータ4aの熱を燃料電池1に供給することができ
るので、燃料電池1を短時間で加熱昇温させることがで
きる。Thus, in addition to the combustion heat of the combustion type heater 4 (both the heat of the combustion exhaust and the heat supplied to the refrigerant),
Since the heat of the electric heater 4a can be supplied to the fuel cell 1, the fuel cell 1 can be heated and heated in a short time.
【0053】また、一般的に、燃焼式ヒータ4では、過
度に発熱量を低下させると、安定的に燃料を燃焼させる
ことができないので、その発熱量の下限値は最大能力の
30%〜50%と比較的大きい。このため、燃料電池1
の加熱昇温に必要な熱量が小さい低熱負荷時には、燃焼
式ヒータ4のみで加熱昇温することが難しい。In general, in the combustion type heater 4, if the calorific value is excessively reduced, the fuel cannot be stably burned. Therefore, the lower limit of the calorific value is 30% to 50% of the maximum capacity. % And relatively large. Therefore, the fuel cell 1
At a low heat load where the amount of heat required for heating and raising the temperature is small, it is difficult to heat and raise the temperature only with the combustion heater 4.
【0054】そこで、本実施形態では、図8に示すよう
に、低熱負荷時においては、電気ヒータ4aにより燃料
電池1を加熱昇温し、中〜高熱負荷時には、燃焼式ヒー
タ4のみ又は燃焼式ヒータ4と電気ヒータ4aとを併用
することにより燃料電池1を加熱昇温している。これに
より、燃料電池1を効率良く加熱昇温することができ
る。Therefore, in this embodiment, as shown in FIG. 8, the fuel cell 1 is heated and heated by the electric heater 4a at the time of a low heat load, and only the combustion type heater 4 or the combustion type The fuel cell 1 is heated and heated by using the heater 4 and the electric heater 4a together. Thereby, the fuel cell 1 can be efficiently heated and heated.
【0055】(その他の実施形態)上述の実施形態で
は、メタノール(燃料電池1の燃料)を燃料として燃焼
式ヒータ4を稼働させたが、燃焼式ヒータ4の燃料は、
メタノール(燃料電池1の燃料)に限定されるものでは
なく、軽油やガソリン等の燃料でもよい。なお、軽油や
ガソリン等を燃料とする場合には、燃焼排気に含まれる
燃料電池1に対して有害な物質を除去するフィルタを設
けることが望ましい。(Other Embodiments) In the above-described embodiment, the combustion heater 4 was operated using methanol (fuel of the fuel cell 1) as a fuel.
The fuel is not limited to methanol (the fuel of the fuel cell 1) but may be a fuel such as light oil or gasoline. When using light oil, gasoline, or the like as a fuel, it is desirable to provide a filter for removing substances harmful to the fuel cell 1 contained in the combustion exhaust gas.
【0056】また、上述の実施形態では、燃焼式ヒータ
4を燃料電池1の加熱昇温(暖機)のみに使用したが、
車室内の暖房を行う燃焼式ヒータと兼用させてもよい。
同様に、電気ヒータ4aも車室内の暖房を行う電気ヒー
タと兼用させてもよい。In the above-described embodiment, the combustion type heater 4 is used only for heating and raising the temperature of the fuel cell 1 (warming up).
It may also be used as a combustion type heater for heating the vehicle interior.
Similarly, the electric heater 4a may also be used as an electric heater for heating the passenger compartment.
【図1】本発明の第1実施形態に係る燃料電池システム
の模式図である。FIG. 1 is a schematic diagram of a fuel cell system according to a first embodiment of the present invention.
【図2】燃料電池の構造図である。FIG. 2 is a structural diagram of a fuel cell.
【図3】本発明の第1実施形態に係る燃料電池システム
の制御系を示すブロック図である。FIG. 3 is a block diagram showing a control system of the fuel cell system according to the first embodiment of the present invention.
【図4】本発明の第1実施形態に係る燃料電池システム
の作動を示すフローチャートである。FIG. 4 is a flowchart showing an operation of the fuel cell system according to the first embodiment of the present invention.
【図5】本発明の第2実施形態に係る燃料電池システム
の模式図である。FIG. 5 is a schematic diagram of a fuel cell system according to a second embodiment of the present invention.
【図6】本発明の第3実施形態に係る燃料電池システム
の模式図である。FIG. 6 is a schematic diagram of a fuel cell system according to a third embodiment of the present invention.
【図7】本発明の第3実施形態に係る燃料電池システム
で使用される燃焼式ヒータの模式図である。FIG. 7 is a schematic view of a combustion heater used in a fuel cell system according to a third embodiment of the present invention.
【図8】本発明の第3実施形態に係る燃料電池システム
で使用される燃焼式ヒータの作動を示すチャートであ
る。FIG. 8 is a chart showing the operation of a combustion heater used in a fuel cell system according to a third embodiment of the present invention.
1…燃料電池、4…燃焼式ヒータ、5…冷媒配管、6…
ラジエータ、7…バイパス回路、8…排気管、17…第
2エアポンプ。DESCRIPTION OF SYMBOLS 1 ... Fuel cell, 4 ... Combustion heater, 5 ... Refrigerant piping, 6 ...
Radiator, 7: bypass circuit, 8: exhaust pipe, 17: second air pump.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐々木 博邦 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内 (72)発明者 藤田 信雄 愛知県豊田市トヨタ町1番地 トヨタ自動 車株式会社内 Fターム(参考) 5H027 AA02 CC02 KK46 KK48 MM16 5H115 PG04 PI16 PI18 TI10 TO05 UI30 UI35 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hirokuni Sasaki 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Inside Denso Corporation (72) Inventor Nobuo Fujita 1-Toyota-cho, Toyota-shi, Aichi Prefecture Inside Toyota Motor Corporation F-term (reference) 5H027 AA02 CC02 KK46 KK48 MM16 5H115 PG04 PI16 PI18 TI10 TO05 UI30 UI35
Claims (6)
生させる燃料電池(1)と、 燃料を燃焼させて熱を発生させる燃焼式ヒータ(4)
と、 前記燃焼式ヒータ(4)の燃焼排気を冷却した後、その
冷却した燃焼排気を前記燃料電池(1)に導き、前記燃
料電池(1)を加熱昇温させる第1燃料電池加熱手段
(8、17)と、 前記燃焼式ヒータ(4)にて加熱された流体を前記燃料
電池(1)内に循環させて前記燃料電池(1)を加熱昇
温させる第2燃料電池加熱手段(5、14)とを有する
ことを特徴とする燃料電池システム。1. A fuel cell (1) that generates electric power by chemically reacting hydrogen and oxygen, and a combustion heater (4) that generates heat by burning fuel.
After cooling the combustion exhaust gas of the combustion type heater (4), the cooled combustion exhaust gas is guided to the fuel cell (1), and the first fuel cell heating means ( 8, 17) and a second fuel cell heating means (5) for circulating the fluid heated by the combustion heater (4) in the fuel cell (1) to heat and raise the temperature of the fuel cell (1). , 14). A fuel cell system comprising:
流体の温度が所定温度未満のときには、前記第1燃料電
池加熱手段(8、17)にて前記燃料電池(1)を加熱
昇温させ、 前記燃焼式ヒータ(4)にて加熱された流体の温度が所
定温度以上のときは、前記第1燃料電池加熱手段(8、
17)に加えて、前記第2燃料電池加熱手段(5、1
4)にて前記燃料電池(1)を加熱昇温させることを特
徴とする請求項1に記載の燃料電池システム。2. When the temperature of the fluid heated by the combustion heater (4) is lower than a predetermined temperature, the fuel cell (1) is heated by the first fuel cell heating means (8, 17). When the temperature of the fluid heated by the combustion heater (4) is equal to or higher than a predetermined temperature, the first fuel cell heating means (8,
17), the second fuel cell heating means (5, 1
The fuel cell system according to claim 1, wherein the fuel cell (1) is heated and heated in 4).
は、前記燃焼排気中に新気を注入することにより、前記
燃焼排気を冷却することを特徴とする請求項1又は2に
記載の燃料電池システム。3. The first fuel cell heating means (8, 17).
3. The fuel cell system according to claim 1, wherein the fuel gas is cooled by injecting fresh air into the combustion exhaust gas. 4.
は、前記燃焼排気中に水を噴射することにより、前記燃
焼排気を冷却することを特徴とする請求項1又は2に記
載の燃料電池システム。4. The first fuel cell heating means (8, 17).
The fuel cell system according to claim 1, wherein the fuel cell cools the combustion exhaust by injecting water into the combustion exhaust.
電池(1)に循環させる流体を加熱する電気ヒータ(4
a)が内蔵されていることを特徴とする請求項1ないし
4のいずれか1つに記載の燃料電池システム。5. An electric heater (4) for heating a fluid circulated through the fuel cell (1) is provided in the combustion type heater (4).
The fuel cell system according to claim 1, wherein a) is incorporated.
池(1)の燃料を燃焼させて熱を発生させることを特徴
とする請求項1ないし5のいずれか1つに記載の燃料電
池システム。6. The fuel cell according to claim 1, wherein the combustion heater (4) generates heat by burning fuel of the fuel cell (1). system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33311599A JP4534281B2 (en) | 1999-11-24 | 1999-11-24 | Fuel cell system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33311599A JP4534281B2 (en) | 1999-11-24 | 1999-11-24 | Fuel cell system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001155753A true JP2001155753A (en) | 2001-06-08 |
JP4534281B2 JP4534281B2 (en) | 2010-09-01 |
Family
ID=18262464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP33311599A Expired - Fee Related JP4534281B2 (en) | 1999-11-24 | 1999-11-24 | Fuel cell system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4534281B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005129448A (en) * | 2003-10-27 | 2005-05-19 | Nissan Motor Co Ltd | Fuel cell system |
JP2006059573A (en) * | 2004-08-17 | 2006-03-02 | Toyota Motor Corp | Fuel cell and air conditioning control system |
JP2006139991A (en) * | 2004-11-11 | 2006-06-01 | Denso Corp | Fuel cell system |
JP2006294499A (en) * | 2005-04-13 | 2006-10-26 | Toyota Motor Corp | Fuel cell system |
WO2006126740A1 (en) * | 2005-05-26 | 2006-11-30 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
JP2007234573A (en) * | 2006-02-27 | 2007-09-13 | Samsung Sdi Co Ltd | Starting method of fuel cell stack and fuel cell system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01176668A (en) * | 1987-12-29 | 1989-07-13 | Fuji Electric Co Ltd | Start-up method of fuel cell |
JPH0290472A (en) * | 1987-10-15 | 1990-03-29 | Toshiba Corp | Method of removing ammonia |
JPH0458464A (en) * | 1990-06-26 | 1992-02-25 | Fuji Electric Co Ltd | Thermal medium heating device of fuel reformer for fuel cell |
JPH0794202A (en) * | 1993-09-28 | 1995-04-07 | Mazda Motor Corp | Warming-up system of fuel cell |
JPH11278806A (en) * | 1998-03-31 | 1999-10-12 | Toshiba Corp | Fuel cell plant |
JP2000164233A (en) * | 1998-11-26 | 2000-06-16 | Toshiba Corp | Power generating system for solid high molecular fuel cell |
JP2002539585A (en) * | 1999-03-09 | 2002-11-19 | シーメンス アクチエンゲゼルシヤフト | Fuel cell with improved low temperature startup characteristics and low temperature startup method |
-
1999
- 1999-11-24 JP JP33311599A patent/JP4534281B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0290472A (en) * | 1987-10-15 | 1990-03-29 | Toshiba Corp | Method of removing ammonia |
JPH01176668A (en) * | 1987-12-29 | 1989-07-13 | Fuji Electric Co Ltd | Start-up method of fuel cell |
JPH0458464A (en) * | 1990-06-26 | 1992-02-25 | Fuji Electric Co Ltd | Thermal medium heating device of fuel reformer for fuel cell |
JPH0794202A (en) * | 1993-09-28 | 1995-04-07 | Mazda Motor Corp | Warming-up system of fuel cell |
JPH11278806A (en) * | 1998-03-31 | 1999-10-12 | Toshiba Corp | Fuel cell plant |
JP2000164233A (en) * | 1998-11-26 | 2000-06-16 | Toshiba Corp | Power generating system for solid high molecular fuel cell |
JP2002539585A (en) * | 1999-03-09 | 2002-11-19 | シーメンス アクチエンゲゼルシヤフト | Fuel cell with improved low temperature startup characteristics and low temperature startup method |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005129448A (en) * | 2003-10-27 | 2005-05-19 | Nissan Motor Co Ltd | Fuel cell system |
JP4701600B2 (en) * | 2003-10-27 | 2011-06-15 | 日産自動車株式会社 | Fuel cell system |
JP2006059573A (en) * | 2004-08-17 | 2006-03-02 | Toyota Motor Corp | Fuel cell and air conditioning control system |
JP4670316B2 (en) * | 2004-11-11 | 2011-04-13 | 株式会社デンソー | Fuel cell system |
JP2006139991A (en) * | 2004-11-11 | 2006-06-01 | Denso Corp | Fuel cell system |
JP2006294499A (en) * | 2005-04-13 | 2006-10-26 | Toyota Motor Corp | Fuel cell system |
JP2006331868A (en) * | 2005-05-26 | 2006-12-07 | Toyota Motor Corp | Fuel cell system |
WO2006126740A1 (en) * | 2005-05-26 | 2006-11-30 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
DE112006001348B4 (en) * | 2005-05-26 | 2013-09-19 | Toyota Jidosha Kabushiki Kaisha | The fuel cell system |
DE112006001348B8 (en) * | 2005-05-26 | 2013-11-28 | Toyota Jidosha Kabushiki Kaisha | The fuel cell system |
US8735011B2 (en) | 2005-05-26 | 2014-05-27 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
JP2007234573A (en) * | 2006-02-27 | 2007-09-13 | Samsung Sdi Co Ltd | Starting method of fuel cell stack and fuel cell system |
JP4644641B2 (en) * | 2006-02-27 | 2011-03-02 | 三星エスディアイ株式会社 | Method for starting fuel cell stack and fuel cell system |
KR101324413B1 (en) * | 2006-02-27 | 2013-11-01 | 삼성에스디아이 주식회사 | Method for starting high temperature polymer electrolyte membrane fuel cell stack and fuel cell system using the method |
Also Published As
Publication number | Publication date |
---|---|
JP4534281B2 (en) | 2010-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7901823B2 (en) | Fuel cell employing cooling liquid passages for starting at low temperature | |
JP4575701B2 (en) | Fuel cell system | |
JP3975052B2 (en) | Start-up control device for fuel cell for electric vehicle | |
US8735011B2 (en) | Fuel cell system | |
CN105609809B (en) | The control method of fuel cell system and fuel cell system | |
JP6325033B2 (en) | Control method of fuel cell system | |
JP5074669B2 (en) | Fuel cell system | |
CA3009462A1 (en) | Fuel cell system and control method for fuel cell system | |
JP2007038952A (en) | Air conditioner of vehicle mounted with fuel cell | |
JP4432603B2 (en) | Fuel cell device for vehicles | |
JP4534281B2 (en) | Fuel cell system | |
JP4845899B2 (en) | Fuel cell system | |
JP3951813B2 (en) | Fuel cell warm-up system | |
JP4087840B2 (en) | Fuel cell system | |
JP2001118593A (en) | Fuel cell system | |
JP2001236978A (en) | Fuel cell system | |
JP2010182518A (en) | Fuel cell system | |
JP2004319363A (en) | Fuel cell system and its operation method | |
JP2008293756A (en) | Fuel cell system and its operation method | |
JP2002117876A (en) | Cooling device of fuel cell | |
JP4123990B2 (en) | Fuel cell warm-up system | |
JP5268371B2 (en) | Fuel cell vehicle | |
JP2004273318A (en) | Fuel cell warming-up system | |
JP4984546B2 (en) | Fuel cell system | |
JP2008293755A (en) | Fuel cell system and its operation method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060609 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090716 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091208 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100118 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100525 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100607 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130625 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |