JP2007087859A5 - - Google Patents

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Publication number
JP2007087859A5
JP2007087859A5 JP2005277559A JP2005277559A JP2007087859A5 JP 2007087859 A5 JP2007087859 A5 JP 2007087859A5 JP 2005277559 A JP2005277559 A JP 2005277559A JP 2005277559 A JP2005277559 A JP 2005277559A JP 2007087859 A5 JP2007087859 A5 JP 2007087859A5
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Japan
Prior art keywords
fuel cell
unit
cell system
current
load
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JP2005277559A
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JP2007087859A (en
JP4887708B2 (en
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Priority to JP2005277559A priority Critical patent/JP4887708B2/en
Priority claimed from JP2005277559A external-priority patent/JP4887708B2/en
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Publication of JP2007087859A5 publication Critical patent/JP2007087859A5/ja
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Claims (6)

電極が積層された膜電極接合体と、酸素を含む酸化ガスをカソードに供給し、また水素を含む燃料ガスをアノードに供給する流路が形成されたセパレータを有する燃料電池単セル、あるいは前記燃料電池単セルを複数個積層して構成される燃料電池スタックの両極に、当該燃料電池の発電により得られる電流を取り出すための集電部とを備えた燃料電池システムにおいて、
前記各集電部を該集電部の面方向に複数に電気的に分割し、前記燃料電池単セルを挟んで相対する前記分割された集電部の電位差を計測する計測部と、前記分割された集電部に独立に接続されて、任意の値の電流を取り出す負荷部とを備えたことを特徴とする燃料電池システム。 A fuel cell single cell having a membrane electrode assembly in which electrodes are laminated, and a separator having a flow path for supplying an oxidizing gas containing oxygen to the cathode and a fuel gas containing hydrogen to the anode, or the fuel In a fuel cell system provided with a current collector for taking out a current obtained by power generation of the fuel cell at both poles of a fuel cell stack configured by laminating a plurality of battery single cells,
Each of the current collectors is electrically divided into a plurality in the surface direction of the current collector, and a measurement unit that measures a potential difference between the divided current collectors facing each other across the fuel cell single cell, and the division A fuel cell system comprising: a load unit that is independently connected to the current collector unit and extracts a current of an arbitrary value. 前記分割された集電部を、前記カソードの流路パスに沿った形で分割して配置したことを特徴とする請求項１記載の燃料電池システム。   2. The fuel cell system according to claim 1, wherein the divided current collectors are divided and arranged along a flow path of the cathode. 3. 前記負荷部を可変抵抗により構成したことを特徴とする請求項１記載の燃料電池システム。   The fuel cell system according to claim 1, wherein the load portion is configured by a variable resistor. 前記負荷部を電子負荷により構成したことを特徴とする請求項１記載の燃料電池システム。   The fuel cell system according to claim 1, wherein the load unit is configured by an electronic load. 前記負荷部をインバータを介して外部負荷と接続したことを特徴とする請求項１，３または４記載の燃料電池システム。   The fuel cell system according to claim 1, 3 or 4, wherein the load section is connected to an external load via an inverter. 前記分割された集電部から取り出される電流値の面内分布に基づき、前記燃料電池単セルの異常が回復不可能と診断した場合に、警報を発生させ、異常な燃料電池単セルが含まれる前記燃料電池スタックの運転を停止させるように制御する制御部を備えたことを特徴とする請求項１または２記載の燃料電池システム。 Based on the in-plane distribution of the current value taken from the divided current collector , an alarm is generated when an abnormality of the fuel cell unit cell is diagnosed as being unrecoverable, and an abnormal fuel cell unit cell is included The fuel cell system according to claim 1, further comprising a control unit that controls to stop the operation of the fuel cell stack .
JP2005277559A 2005-09-26 2005-09-26 Fuel cell system Expired - Fee Related JP4887708B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005277559A JP4887708B2 (en) 2005-09-26 2005-09-26 Fuel cell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005277559A JP4887708B2 (en) 2005-09-26 2005-09-26 Fuel cell system

Publications (3)

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JP2007087859A JP2007087859A (en) 2007-04-05
JP2007087859A5 true JP2007087859A5 (en) 2008-07-24
JP4887708B2 JP4887708B2 (en) 2012-02-29

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JP2005277559A Expired - Fee Related JP4887708B2 (en) 2005-09-26 2005-09-26 Fuel cell system

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5224088B2 (en) * 2007-05-14 2013-07-03 横河電機株式会社 Method and apparatus for measuring impedance distribution of fuel cell
DE102007034699A1 (en) * 2007-07-16 2009-01-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Measuring device and method for determining the electrical potential and / or the current density at an electrode
JP5098550B2 (en) * 2007-10-05 2012-12-12 トヨタ自動車株式会社 Fuel cell system
JP5157489B2 (en) * 2008-01-31 2013-03-06 株式会社トヨトミ Method for determining retention of generated water in fuel cell system and method for responding to retention of generated water
JP5461051B2 (en) * 2009-04-13 2014-04-02 本田技研工業株式会社 Fuel cell measuring device
JP5474839B2 (en) * 2011-01-12 2014-04-16 本田技研工業株式会社 Fuel cell current density distribution measuring device
JP5912901B2 (en) * 2011-06-22 2016-04-27 本田技研工業株式会社 Fuel cell
DE102011088613B3 (en) * 2011-12-14 2012-12-06 Hamburg Innovation Gmbh Fuel cell membrane unit, controllable fuel cell and high pressure electrolysis cell
KR101675343B1 (en) * 2014-10-08 2016-11-11 한국에너지기술연구원 Fuel cell segmented measuring module
KR101628684B1 (en) * 2014-12-15 2016-06-10 현대오트론 주식회사 Apparatus for measuring impedance for diagnosis of fuel cell and method thereof
JP7208118B2 (en) * 2019-08-09 2023-01-18 株式会社豊田自動織機 Fuel cell system control method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005142062A (en) * 2003-11-07 2005-06-02 Matsushita Electric Ind Co Ltd Inspection device and inspection method of fuel cell
JP2005158431A (en) * 2003-11-25 2005-06-16 Nissan Motor Co Ltd Fuel cell system
JP4986104B2 (en) * 2005-08-30 2012-07-25 横河電機株式会社 Fuel cell characteristic measuring method and characteristic measuring apparatus

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