JP2008052937A - 燃料電池システム及び移動体 - Google Patents
燃料電池システム及び移動体 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 110
- 238000011084 recovery Methods 0.000 claims abstract description 85
- 238000010248 power generation Methods 0.000 claims abstract description 46
- 239000012495 reaction gas Substances 0.000 claims description 9
- 230000004044 response Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 45
- 239000007789 gas Substances 0.000 description 40
- 239000001257 hydrogen Substances 0.000 description 29
- 229910052739 hydrogen Inorganic materials 0.000 description 29
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 18
- 229910001882 dioxygen Inorganic materials 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 230000007423 decrease Effects 0.000 description 12
- 239000003507 refrigerant Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
- H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
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- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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Abstract
【解決手段】移動体は、燃料電池スタックに対する発電要求が所定値未満のときには電池運転を一時的に休止する間欠運転を実施するとともに間欠運転中にセル電圧回復処理実行条件が満たされたときにセル電圧の回復処理を実施する。移動体が移動中のときにはセル電圧回復処理実行条件として閾値電圧Vth1を設定し(ステップ303)、移動体が停止中のときにはセル電圧回復処理実行条件として閾値電圧Vth2を設定する(ステップ304)。Vth1>Vth2となるように設定すれば、移動体が停止中ときには、セル電圧回復処理を制限することが可能となる。
【選択図】図3
Description
燃料電池システム10は、燃料電池車両の車載用発電システムとして機能するものであり、複数のセルを積層してなるスタック構造からなる固体高分子電解質型の燃料電池スタック40を備えている。セルは、電解質膜の一方の面にアノード極を配置し、他方の面にカソード極を配置してなる膜−電極接合体と、膜−電極接合体に反応ガス(燃料ガス、酸化ガス)を流すためのガス流路(アノードガス流路、カソードガス流路)や冷媒を流すための冷媒流路が形成されたセパレータとから成る。燃料電池スタック40は、アノード極に水素ガス(燃料ガス)の供給を受けるともに、カソード極に酸素ガス(酸化ガス)の供給を受けて発電する。
(1/2)O2+2H++2e- → H2O …(2)
H2+(1/2)O2 → H2O …(3)
図2はセル電圧回復処理のタイムチャートを示している。同図において、「間欠フラグ」は、間欠運転を実施しているか否かを示すフラグ情報である。間欠フラグ=ONは、間欠運転実施中(発電休止中)を示す。間欠フラグ=OFFは、間欠運転未実施(電池運転中)を示す。例えば、燃料電池システム10に対する要求電力が所定値以下の場合には、間欠フラグ=ONとなり、燃料電池システム10に対する要求電力が所定値を超える場合には、間欠フラグ=OFFとなる。一方、「走行フラグ」は、車両走行をしているか否かを示すフラグ情報である。走行フラグ=ONは、車両走行中を示す。走行フラグ=OFFは、車両停止中を示す。例えば、アクセルセンサ73によって検出された車速が所定値(例えば、数km/h以下)以下の場合には、走行フラグ=OFFとなり、アクセルセンサ73によって検出された車速が所定値を超える場合には、走行フラグ=ONとなる。
電圧回復処理ルーチンは一定のインターバルで周期的に繰り返し実行される。電圧回復処理ルーチンが呼び出されると、コントローラ60は、間欠フラグがONに設定されているか否かを判定する(ステップ301)。間欠フラグがONに設定されていなければ(ステップ301;NO)、コントローラ60は、セル電圧回復処理ルーチンを抜ける。
Claims (7)
- 燃料電池スタックに対する発電要求が所定値未満のときには電池運転を一時的に休止する間欠運転を実施するとともに間欠運転中にセル電圧回復処理実行条件が満たされたときにセル電圧の回復処理を実施する制御手段を有する燃料電池システムを備える移動体であって、前記制御手段は、前記移動体が停止中のときのセル電圧回復処理を制限する、移動体。
- 請求項1に記載の移動体であって、前記移動体が停止中のときのセル電圧回復処理実行条件は、前記移動体が移動中のときのセル電圧回復処理実行条件よりも制限的に設定されている、移動体。
- 請求項1又は請求項2に記載の移動体であって、蓄電装置を更に備え、前記制御手段は間欠運転中に前記蓄電装置から電力負荷に電力を供給する、移動体。
- 請求項1乃至請求項3のうち何れか1項に記載の移動体であって、前記セル電圧回復処理は、間欠運転中に前記燃料電池スタックに反応ガスを供給することである、移動体。
- 燃料電池スタックに対する発電要求が所定値未満のときには電池運転を一時的に休止する間欠運転を実施するとともに間欠運転中にセル電圧回復処理実行条件が満たされたときにセル電圧の回復処理を実施する制御手段と、電力負荷に電力を供給する蓄電装置とを備える燃料電池システムであって、前記制御手は、間欠運転中に前記蓄電装置から供給可能な電力が要求負荷を上回るときには、セル電圧回復処理を制限する、燃料電池システム。
- 請求項5に記載の燃料電池システムあって、前記蓄電装置の残容量が多い程、セル電圧回復処理実行条件は制限的に設定されている、燃料電池システム。
- 燃料電池スタックに対する発電要求が所定値未満のときには電池運転を一時的に休止する間欠運転を実施するとともに間欠運転中にセル電圧回復処理実行条件が満たされたときにセル電圧の回復処理を実施する制御手段を備える燃料電池システムであって、間欠運転中の前記燃料電池スタックに対する要求負荷が小さい程、前記セル電圧回復処理実行条件は制限的に設定されている、燃料電池システム。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2006225663A JP5093555B2 (ja) | 2006-08-22 | 2006-08-22 | 燃料電池システム及び移動体 |
KR1020097003505A KR101016396B1 (ko) | 2006-08-22 | 2007-07-17 | 연료 전지 시스템 및 이동체 |
DE112007000171.2T DE112007000171B4 (de) | 2006-08-22 | 2007-07-17 | Bewegliches Objekt mit einem Brennstoffzellensystem und Verfahren zum Steuern der Leistungserzeugung eines in einem beweglichen Objekt installierten Brennstoffzellensystems |
PCT/JP2007/064390 WO2008023521A1 (fr) | 2006-08-22 | 2007-07-17 | Système à piles à combustible et corps en mouvement |
US12/085,640 US8053124B2 (en) | 2006-08-22 | 2007-07-17 | Fuel cell system and mobile body |
CN2007800229165A CN101473481B (zh) | 2006-08-22 | 2007-07-17 | 燃料电池系统和移动体 |
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JP (1) | JP5093555B2 (ja) |
KR (1) | KR101016396B1 (ja) |
CN (1) | CN101473481B (ja) |
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WO (1) | WO2008023521A1 (ja) |
Cited By (4)
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WO2009057384A1 (ja) * | 2007-10-31 | 2009-05-07 | Toyota Jidosha Kabushiki Kaisha | 燃料電池システム |
WO2012157361A1 (ja) * | 2011-05-18 | 2012-11-22 | 日産自動車株式会社 | 燃料電池システム |
JP2016096086A (ja) * | 2014-11-15 | 2016-05-26 | トヨタ自動車株式会社 | 電源システムおよび燃料電池の電圧制御方法 |
US11050072B2 (en) | 2014-11-14 | 2021-06-29 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system and operation control method of the same |
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KR101230900B1 (ko) | 2010-12-01 | 2013-02-07 | 현대자동차주식회사 | 연료전지 하이브리드 시스템의 운전 제어 방법 |
JP5769083B2 (ja) * | 2011-11-14 | 2015-08-26 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池車両 |
KR101592682B1 (ko) | 2014-04-10 | 2016-02-15 | 현대자동차주식회사 | 연료 전지 스택 제어 방법 |
KR101822245B1 (ko) * | 2015-12-14 | 2018-01-26 | 현대자동차주식회사 | 연료전지 차량의 냉각수펌프 제어방법 |
DE102016119814A1 (de) * | 2016-10-18 | 2018-04-19 | Audi Ag | Brennstoffzellensystem |
JP7095580B2 (ja) * | 2018-12-07 | 2022-07-05 | トヨタ自動車株式会社 | 車両 |
JP7156005B2 (ja) * | 2018-12-25 | 2022-10-19 | トヨタ自動車株式会社 | 燃料電池システム |
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- 2007-07-17 WO PCT/JP2007/064390 patent/WO2008023521A1/ja active Application Filing
- 2007-07-17 KR KR1020097003505A patent/KR101016396B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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US8053124B2 (en) | 2011-11-08 |
DE112007000171B4 (de) | 2018-07-12 |
US20090169937A1 (en) | 2009-07-02 |
CN101473481A (zh) | 2009-07-01 |
JP5093555B2 (ja) | 2012-12-12 |
WO2008023521A1 (fr) | 2008-02-28 |
KR101016396B1 (ko) | 2011-02-21 |
CN101473481B (zh) | 2011-05-11 |
DE112007000171T5 (de) | 2008-10-30 |
KR20090033272A (ko) | 2009-04-01 |
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