JP2015511755A - 固体酸化物燃料電池用単位セルおよびこれを用いた固体酸化物燃料電池 - Google Patents
固体酸化物燃料電池用単位セルおよびこれを用いた固体酸化物燃料電池 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 153
- 239000007787 solid Substances 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 claims description 41
- 239000003792 electrolyte Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000010030 laminating Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000010345 tape casting Methods 0.000 description 4
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
セラミック押出成形機を用いて、内部に燃料流れ部17が構成されるように平管型負極支持体、すなわち負極11を成形し、両端を密封した。次に、乾燥した成形体を用いて、燃料出入部14a、14bと空気出入部15a、15b、15c、15dを前記負極11に垂直に貫通して備えた。次に、前記負極11の下面に連結材16をコーティングし、前記連結材16がコーティングされていない負極11の表面に電解質層13をコーティングした後、前記連結材16と電解質層13が緻密な層を形成するように1350〜1400℃で熱処理した。次に、前記連結材16がコーティングされた面の反対面に、電解質層13を間において、正極12をコーティングし、900〜1200℃で熱処理して、図1のような固体酸化物燃料電池用単位セル1を製造した。
テープキャスティングで製造した負極テープを、図4および図5のようにレーザカッティングで加工した後、図4を第1層および第3層、図5を第2層として、第1層〜第3層を順次積層した。次に、加熱しながら加圧(laminating)した後、負極の備えられた複数の燃料流れ部17に連結され、前記負極に垂直に貫通する燃料出入部14a、14bを加工した。
前記製造された固体酸化物燃料電池用単位セル1に密封ガスケット18を備え、前記燃料出入部14a、14bと空気出入部15a、15b、15c、15dを分離して、密封ガスケットを含む固体酸化物燃料電池用単位セルを製造した。
図6は、前記実施例3で製造した固体酸化物燃料電池用単位セルを積層して製造した固体酸化物燃料電池セルスタックの斜視図である。図6に示しているように、前記固体酸化物燃料電池用単位セルを複数積層して、燃料電池セルスタックを形成することができ、燃料および空気を下層に積層された単位セルの下面から注入し、電気を発生させ、注入された空気および燃料は、反対側の空気出入部と燃料出入部を通して排出される。図7は、このような空気および燃料の流れを図式化して示した図である。
Claims (9)
- 負極、電解質層、正極、および連結材を含む固体酸化物燃料電池用単位セルにおいて、
前記負極の両側に上面および下面を貫通して燃料出入部が備えられ、両側に備えられた前記燃料出入部の間に前記負極の内部を貫通する複数の燃料流れ部が備えられ、前記燃料流れ部の長さに沿って隣接し、前記負極の両側に上面および下面を貫通して空気出入部が備えられた負極と、
前記負極にコーティングされた電解質層に積層されて備えられた正極と、
前記負極の下面にコーティングされた連結材と、を含むことを特徴とする、固体酸化物燃料電池用単位セル。 - 前記正極は、前記空気出入部を両側において、電解質層がコーティングされた負極に積層されて備えられることを特徴とする、請求項1に記載の固体酸化物燃料電池用単位セル。
- 前記燃料出入部と空気出入部を分離する密封ガスケットを更に含むことを特徴とする、請求項1に記載の固体酸化物燃料電池用単位セル。
- 前記連結材は、セラミック連結材であることを特徴とする、請求項1に記載の固体酸化物燃料電池用単位セル。
- 前記連結材または正極の表面に複数の凹凸が備えられたことを特徴とする、請求項1に記載の固体酸化物燃料電池用単位セル。
- 請求項1に記載の固体酸化物燃料電池用単位セルが順次積層されて構成された固体酸化物燃料電池であって、
1つの単位セルの正極と他の単位セルの連結材とが互いに接合して複数の単位セルが積層され、複数の単位セルの空気出入部が互いに連結されて空気出入通路を形成し、複数の単位セルの燃料出入部が互いに連結されて燃料出入通路を形成することを特徴とする、固体酸化物燃料電池。 - 空気および燃料が下層に積層された単位セルの空気出入部および燃料出入部を通して出入するように複数の単位セルが積層されたことを特徴とする、請求項6に記載の固体酸化物燃料電池。
- 1つの単位セルに備えられた負極および他の単位セルに備えられた連結材の間に金属メッシュまたはセラミックフェルトが積層されて備えられたことを特徴とする、請求項6に記載の固体酸化物燃料電池。
- 前記金属メッシュは、金、銀、白金、およびステンレススチールからなる群より選択される1つ以上を含むことを特徴とする、請求項8に記載の固体酸化物燃料電池。
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KR1020120019749A KR101151868B1 (ko) | 2012-02-27 | 2012-02-27 | 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 |
KR10-2012-0019749 | 2012-02-27 | ||
PCT/KR2013/001087 WO2013129787A1 (ko) | 2012-02-27 | 2013-02-12 | 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 |
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JP2019053925A (ja) * | 2017-09-15 | 2019-04-04 | 日本特殊陶業株式会社 | 燃料電池スタック |
US11870105B2 (en) | 2016-08-16 | 2024-01-09 | Lg Chem, Ltd. | Planar solid oxide fuel cell |
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JP5908998B2 (ja) | 2016-04-26 |
US20150024299A1 (en) | 2015-01-22 |
KR101151868B1 (ko) | 2012-05-31 |
WO2013129787A1 (ko) | 2013-09-06 |
US9806360B2 (en) | 2017-10-31 |
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