JP6964087B2 - 燃料電池若しくは電解セル用の金属又はセラミックスの基板の製造方法並びに燃料電池若しくは電解セル用の金属又はセラミックスの基板 - Google Patents
燃料電池若しくは電解セル用の金属又はセラミックスの基板の製造方法並びに燃料電池若しくは電解セル用の金属又はセラミックスの基板 Download PDFInfo
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Description
したがって、金属又はセラミックスの構成部品を製造するための方法が、例えば特開2006−045038号公報から公知である。当該方法の場合、構成部品が、加圧下で且つ高温で、胴型内の2つの成形型によって粉末から生成される。当該構成部品は、好ましくは平坦な縁部を有する両凸レンズの形をしている。
1) T1=Tv かつ P1>Pv;
2) T1>Tv かつ P1=Pv;
3) T1>Tv かつ P1>Pv;
図4には、SPSシステム用に使用されていたような、本発明に従ったパンチの幾つかの実施形態が示される。α=90°である側面を有する修正後のパンチ以外にも、好ましくはそれ程急傾斜ではない例えばα=60°又はα=45°である側面を有するパンチも使用されるようになっている。全ての場合において、内側の平らな接触面が備えられて、多孔質の平らな領域を有する構成部品の製造を可能にしており、その後でこの平らな領域の表面に、例えば好適には薄膜を施すことができる。
放電プラズマ焼結システム(FAST/SPS)において、粉末としてNiCoCrAlY合金(エリコンメテコ社、Amdry386、Ni22Co17Cr12AlO、5HfO、5YO、4Si)を直径20mmのグラファイト製の型(ポットダイ)に充填した。粉末粒子は球状の幾何形状を有しており、ガス噴霧を利用して製造した。粉末粒子の平均直径は20μmである。
Claims (20)
- プロトン伝導膜用又は酸素イオン伝導性を示す燃料電池若しくは電解セル用の、異なる気孔率を有する領域を備える金属又はセラミックスの基板の製造方法であって、
− 粉末又は予備焼結された構成部品が、加圧力に支援された圧密化ステップ及び焼結ステップによって処理され、
− 前記粉末又は予備焼結された構成部品との接触用として設けられている接触面を有しているパンチが、前記圧密化ステップのために使用され、前記接触面は、ハウジング又は膜分離反応器用のα=0°の角度を有する平らな外側領域と、一つの薄膜用の凹状リセスを有する内側領域と、を備え、前記凹状リセスは、外側の平らな前記接触面から出て角度0<α≦90°を成す少なくとも一つの側面を有する当該方法において、
− 前記焼結ステップが、磁場によって支援され、
− 前記焼結ステップにしたがって、5体積%未満の気孔率を有する圧密化された平らな外側領域と、10体積%と60体積%との間の気孔率を有する多孔性の内側領域とを備える基板が得られ、
前記基板の少なくとも一つの面が、前記外側領域と前記内側領域との間の所定の移行部を有すること特徴とする当該方法。 - 円形、楕円形、正方形、長方形、又は多角形の接触面を有する少なくとも一つのパンチが使用される請求項1に記載の方法。
- 少なくとも一つの円形、楕円形、正方形、長方形、又は多角形の、凹状リセスを有する内側領域を備える少なくとも一つのパンチが使用される請求項1又は2に記載の方法。
- 少なくとも一つのパンチが使用され、当該パンチの場合、凹状リセスを有する少なくとも一つの内側領域が、15°と75°との間又は45°と60°との間の角度αを成す少なくとも一つの側面を有する請求項3に記載の方法。
- 一定の角度αを成す側面を有する凹状リセスを備える中央に配置された円形の内側領域を持つ少なくとも一つのパンチが使用される請求項1〜4のいずれか1項に記載の方法。
- 少なくとも一つのパンチが使用され、当該パンチの場合、凹状リセスを有する少なくとも一つの内側領域の一部の領域が、内側の平らな領域を有する請求項1〜5のいずれか1項に記載の方法。
- 少なくとも一つのパンチが使用され、当該パンチの場合、凹状リセスを有する少なくとも一つの内側領域の一部の領域が、内側の平らな、前記外側領域の接触面に対して平行に配向された領域を有する請求項1〜6のいずれか1項に記載の方法。
- 接触面を有する2つのパンチが使用され、これらのパンチが、
− α=0°の角度を有する平らなそれぞれ一つの外側領域と、
− 凹状リセスを有するそれぞれ一つの内側領域と、を備え、前記凹状リセスは、外側の平らな前記接触面から出て角度0<α≦90°を成す少なくとも一つの側面を有する請求項1〜7のいずれか1項に記載の方法。 - 金属又はセラミックスの粉末が使用される請求項1〜8のいずれか1項に記載の方法。
- それぞれ1つの凹状リセスを有する複数の内側領域を備える少なくとも一つのパンチが使用される請求項1に記載の方法。
- プロトン伝導膜用又は酸素イオン伝導性を示す燃料電池若しくは電解セル用の、角柱状又は円筒状の形状と異なる気孔率とを有する金属又はセラミックスの基板において、
− 前記基板が、ハウジング又は膜分離反応器用のより高い密度を有する平らな外側領域と、薄膜用の少なくとも1つの凸状隆起部とより低い密度とを有する内側領域とを有し、
− 圧密化された平らな外側領域が、5体積%未満の気孔率を有し、多孔性の内側領域が、10体積%と60体積%との間の気孔率を有し、
− 前記基板の少なくとも一つの面が、外側領域と内側領域との間の所定の移行部を有することを特徴とする基板。 - 少なくとも一つの円形の内側領域を有する請求項11に記載の基板。
- 円筒状の形状と、環状部としての少なくとも一つの平らな外側領域とを有する請求項11に記載の基板。
- 角柱状の形状を有する請求項11に記載の基板。
- 前記円形の内側領域は、定常の角度αを成す側面を有する請求項12に記載の基板。
- 前記円形の内側領域は、0°超と90°との間又は15°と75°との間又は45°と60°との間の角度αを成す側面を有する請求項12に記載の基板。
- 前記基板の対向している二つの面が、平らな外側領域と、凸状隆起部を有する少なくとも一つの内側領域とを有する請求項11〜16のいずれか1項に記載の基板。
- 凸状隆起部を有する少なくとも一つの内側領域が、平らな内側領域を有する請求項11〜17のいずれか1項に記載の基板。
- 前記圧密化された平らな外側領域は、2体積%未満の又は1体積%未満の気孔率を有する11〜18のいずれか1項に記載の基板。
- 前記多孔性の内側領域は、20体積%と55体積%との間又は30体積%と50体積%との間の気孔率を有する請求項11〜19のいずれか1項に記載の基板。
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PCT/DE2017/000074 WO2017177995A1 (de) | 2016-04-13 | 2017-03-24 | Verfahren zur herstellung von metallischen oder keramischen bauteilen sowie bauteile |
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DE (1) | DE102016004548A1 (ja) |
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US10549497B2 (en) * | 2017-02-13 | 2020-02-04 | The Boeing Company | Densification methods and apparatuses |
CN112893868A (zh) * | 2019-12-03 | 2021-06-04 | 广东汉邦激光科技有限公司 | 透气模具的制造方法及成型装置 |
DE102020210034B3 (de) | 2020-08-07 | 2021-10-21 | Dr. Fritsch Sondermaschinen GmbH. | Sintervorrichtung zum feldunterstützten Sintern |
DE102020212371A1 (de) * | 2020-09-30 | 2022-03-31 | Mahle International Gmbh | Verfahren zum pulvermetallurgischen Herstellen eines Bauteils |
RU2761813C1 (ru) * | 2021-03-11 | 2021-12-13 | Федеральное государственное бюджетное учреждение науки Институт гидродинамики им. М.А. Лаврентьева Сибирского отделения Российской академии наук (ИГиЛ СО РАН) | Аддитивный способ получения габаритных изделий из токопроводящей керамики методом искрового плазменного спекания |
CN114784360B (zh) * | 2022-06-20 | 2022-09-06 | 常州精测新能源技术有限公司 | 一种电芯热压装置及其热压方法 |
CN114951649B (zh) * | 2022-06-21 | 2024-02-13 | 重庆三航新材料技术研究院有限公司 | 一种用于放电等离子快速熔炼或真空热处理的模具及其使用方法 |
WO2024054857A1 (en) * | 2022-09-06 | 2024-03-14 | Battelle Energy Alliance, Llc | Methods of forming sintered articles and associated assemblies and components |
CN116354614B (zh) * | 2023-03-31 | 2024-09-27 | 齐鲁工业大学(山东省科学院) | 一种基于衬底辅助组装的二维有机合金异质结构材料及其制备方法与应用 |
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US3069757A (en) * | 1959-06-26 | 1962-12-25 | Mallory & Co Inc P R | Metal bodies having continuously varying physical characteristics and method of making the same |
DE2739279C2 (de) * | 1977-08-31 | 1984-07-05 | PTX-Pentronix, Inc., Lincoln Park, Mich. | Vorrichtung zum Pressen von Pulver zu kugelförmigen Preßkörpern |
JPS6392842A (ja) * | 1986-10-07 | 1988-04-23 | Toyota Motor Corp | 焼結摩擦材 |
JPH08303504A (ja) * | 1995-05-12 | 1996-11-19 | Toyota Motor Corp | 摩擦係合装置用焼結材製摩擦板 |
JP2000009142A (ja) * | 1998-06-18 | 2000-01-11 | Asahi Optical Co Ltd | 軸受装置の製造方法および軸受装置 |
JP2000141336A (ja) * | 1998-11-13 | 2000-05-23 | Ngk Insulators Ltd | セラミック焼結品の製造方法 |
JP4876363B2 (ja) * | 2001-09-27 | 2012-02-15 | 三菱マテリアル株式会社 | 集電体とその製造方法及び固体酸化物型燃料電池 |
JP2006045038A (ja) | 2004-08-09 | 2006-02-16 | Sumitomo Electric Ind Ltd | 成形型およびそれを用いた成形方法 |
JP4189497B2 (ja) * | 2005-06-16 | 2008-12-03 | 国立大学法人室蘭工業大学 | エアベアリングの製造方法 |
JP5458463B2 (ja) * | 2006-07-03 | 2014-04-02 | 住友電気工業株式会社 | セラミックス光学部品の製造方法 |
ITMO20070223A1 (it) * | 2007-07-04 | 2009-01-05 | Francesco Casari | "procedimento per la realizzazione di elementi tridimensionali biologicamente compatibili" |
JP2011134465A (ja) * | 2009-12-22 | 2011-07-07 | Honda Motor Co Ltd | 固体電解質型燃料電池 |
US9314842B2 (en) * | 2011-12-02 | 2016-04-19 | Wildcat Discovery Technologies, Inc. | Hot pressing apparatus and method for same |
FR2998295B1 (fr) * | 2012-11-20 | 2015-01-30 | Commissariat Energie Atomique | Materiau composite a matrice en aluminosilicate, notamment en aluminosilicate de baryum " bas " renforcee par des renforts en oxyde de metal, et son procede de preparation. |
FR3044945B1 (fr) * | 2015-12-14 | 2018-01-12 | Centre National De La Recherche Scientifique | Revetement abradable a densite variable |
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ES2829268T3 (es) | 2021-05-31 |
EP3442730B1 (de) | 2020-09-16 |
US10486385B2 (en) | 2019-11-26 |
JP2019519667A (ja) | 2019-07-11 |
EP3442730A1 (de) | 2019-02-20 |
WO2017177995A1 (de) | 2017-10-19 |
DE102016004548A1 (de) | 2017-10-19 |
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