JP2010055994A5 - - Google Patents

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Publication number
JP2010055994A5
JP2010055994A5 JP2008221364A JP2008221364A JP2010055994A5 JP 2010055994 A5 JP2010055994 A5 JP 2010055994A5 JP 2008221364 A JP2008221364 A JP 2008221364A JP 2008221364 A JP2008221364 A JP 2008221364A JP 2010055994 A5 JP2010055994 A5 JP 2010055994A5
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Japan
Prior art keywords
reaction gas
hole
fuel cell
communication hole
metal
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Pending
Application number
JP2008221364A
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Japanese (ja)
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JP2010055994A (en
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Publication date
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Priority to JP2008221364A priority Critical patent/JP2010055994A/en
Priority claimed from JP2008221364A external-priority patent/JP2010055994A/en
Publication of JP2010055994A publication Critical patent/JP2010055994A/en
Publication of JP2010055994A5 publication Critical patent/JP2010055994A5/ja
Pending legal-status Critical Current

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Claims (5)

電解質の両側に一対の電極を配設した電解質・電極構造体と、金属セパレータとが積層されるとともに、燃料ガス又は酸化剤ガスのいずれかである反応ガスを前記金属セパレータの面方向に流す反応ガス流路と、前記反応ガスを積層方向に流通させる反応ガス連通孔とが形成される燃料電池であって、
少なくとも一方の前記金属セパレータは、金属プレートにシール部材が一体成形されて構成され、
前記金属プレートには、前記反応ガス流路と前記反応ガス連通孔とを連通する孔部が設けられるとともに、
前記シール部材は、前記孔部を形成する内周面を被覆して絶縁性連通孔を形成するための被覆部を有することを特徴とする燃料電池。
A reaction in which an electrolyte / electrode structure having a pair of electrodes disposed on both sides of an electrolyte and a metal separator are stacked and a reaction gas that is either a fuel gas or an oxidant gas flows in the surface direction of the metal separator A fuel cell in which a gas flow path and a reaction gas communication hole for flowing the reaction gas in the stacking direction are formed,
At least one of the metal separators is configured by integrally forming a seal member on a metal plate,
The metal plate is provided with a hole communicating the reaction gas flow path and the reaction gas communication hole,
The fuel cell according to claim 1, wherein the sealing member includes a covering portion for covering an inner peripheral surface forming the hole portion to form an insulating communication hole.
請求項1記載の燃料電池において、前記シール部材は、少なくとも前記反応ガス連通孔を周回する突起を有することを特徴とする燃料電池。2. The fuel cell according to claim 1, wherein the seal member has a protrusion that goes around at least the reaction gas communication hole. 3. 請求項2記載の燃料電池において、前記シール部材の前記被覆部は、前記孔部の内周面を被覆する内周面被覆部及び該孔部の両端側の面を被覆する両面被覆部を有することを特徴とする燃料電池。3. The fuel cell according to claim 2, wherein the covering portion of the seal member includes an inner peripheral surface covering portion that covers an inner peripheral surface of the hole portion and a double-side covering portion that covers surfaces on both ends of the hole portion. The fuel cell characterized by the above-mentioned. 電解質の両側に一対の電極を配設した電解質・電極構造体と、金属セパレータとが積層されるとともに、燃料ガス又は酸化剤ガスのいずれかである反応ガスを前記金属セパレータの面方向に流す反応ガス流路と、前記反応ガスを積層方向に流通させる反応ガス連通孔とが形成される燃料電池に用いられる燃料電池用金属セパレータの製造方法であって、
少なくとも一方の前記金属セパレータを構成する金属プレートには、前記反応ガス流路と前記反応ガス連通孔とを連通する孔部が形成されており、
前記金属プレートに射出成形処理を施すことにより、前記金属プレートに前記孔部を閉塞してシール部材を一体成形する工程と、
前記孔部を閉塞するシール部分に打ち抜き処理を施すことにより、前記孔部を形成する内周面に前記シール部材による被覆部が設けられた絶縁性連通孔を形成する工程と、
を有することを特徴とする燃料電池用金属セパレータの製造方法。
A reaction in which an electrolyte / electrode structure having a pair of electrodes disposed on both sides of an electrolyte and a metal separator are stacked and a reaction gas that is either a fuel gas or an oxidant gas flows in the surface direction of the metal separator A method for producing a metal separator for a fuel cell used in a fuel cell in which a gas flow path and a reaction gas communication hole for flowing the reaction gas in the stacking direction are formed,
In the metal plate constituting at least one of the metal separators, a hole portion that communicates the reaction gas flow path and the reaction gas communication hole is formed,
A step of integrally molding a seal member by closing the hole in the metal plate by performing an injection molding process on the metal plate;
Forming an insulative communication hole in which a covering portion by the seal member is provided on an inner peripheral surface forming the hole portion by performing a punching process on a seal portion that closes the hole portion;
The manufacturing method of the metal separator for fuel cells characterized by having.
請求項記載の製造方法において、前記シール部分は、打ち抜き処理により前記被覆部から分離される分離境界部が一体成形されるとともに、
前記分離境界部は、前記シール部分よりも肉薄に設定されることを特徴とする燃料電池用金属セパレータの製造方法。
The manufacturing method according to claim 4 , wherein the sealing portion is integrally formed with a separation boundary portion that is separated from the covering portion by a punching process.
The method of manufacturing a metal separator for a fuel cell, wherein the separation boundary portion is set thinner than the seal portion.
JP2008221364A 2008-08-29 2008-08-29 Fuel cell and method for manufacturing metallic separator for fuel cell Pending JP2010055994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008221364A JP2010055994A (en) 2008-08-29 2008-08-29 Fuel cell and method for manufacturing metallic separator for fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008221364A JP2010055994A (en) 2008-08-29 2008-08-29 Fuel cell and method for manufacturing metallic separator for fuel cell

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013097265A Division JP5680702B2 (en) 2013-05-07 2013-05-07 Manufacturing method of metal separator for fuel cell

Publications (2)

Publication Number Publication Date
JP2010055994A JP2010055994A (en) 2010-03-11
JP2010055994A5 true JP2010055994A5 (en) 2011-10-06

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Family Applications (1)

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JP2008221364A Pending JP2010055994A (en) 2008-08-29 2008-08-29 Fuel cell and method for manufacturing metallic separator for fuel cell

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JP (1) JP2010055994A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5376128B2 (en) * 2009-03-09 2013-12-25 トヨタ自動車株式会社 Fuel cell manufacturing method and fuel cell manufacturing apparatus
JP5728283B2 (en) * 2011-04-22 2015-06-03 本田技研工業株式会社 Fuel cell
JP5666396B2 (en) * 2011-07-14 2015-02-12 本田技研工業株式会社 Manufacturing method of metal separator for fuel cell
JP6520747B2 (en) * 2016-02-09 2019-05-29 トヨタ自動車株式会社 Method of manufacturing a single fuel cell

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002025574A (en) * 2000-07-11 2002-01-25 Aisin Takaoka Ltd Solid high polymer molecule fuel cell separator
JP2002134127A (en) * 2000-10-30 2002-05-10 Nippon Steel Chem Co Ltd Method of manufacturing separator member for fuel cell
JP4830264B2 (en) * 2004-04-28 2011-12-07 Dic株式会社 Manufacturing method of fuel cell separator
JP4562501B2 (en) * 2004-11-25 2010-10-13 本田技研工業株式会社 Fuel cell
JP2006286510A (en) * 2005-04-04 2006-10-19 Toyota Motor Corp Manufacturing method and manufacturing device of separator for fuel cell

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