JP2007184235A - マイクロ燃料電池用セラミック多層基板改質器及びその製造方法 - Google Patents
マイクロ燃料電池用セラミック多層基板改質器及びその製造方法 Download PDFInfo
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Abstract
【解決手段】一側に燃料導入口が設けられたセラミック材料の上部蓋と、上記上部蓋の一側に一体に形成され、複数のセラミック層から成り、内部流路を具備して上記上部蓋を通して流入した燃料を気化させる蒸発部と、上記蒸発部の一側に一体に形成され複数のセラミック層から成り、内部流路に触媒を具備して上記蒸発部から流入した燃料気体を水素に改質させる改質部と、上記改質部の一側に一体に形成され複数のセラミック層から成り、触媒を具備して上記改質部から流入した改質ガスからCOを除去させるCO除去部と、上記CO除去部の一側に一体に形成され改質ガス排出口を設けて改質ガスを外部へ排出させるセラミック材料の下部蓋とを含む、マイクロ燃料電池用セラミック多層基板改質器を提供する。
【選択図】図3
Description
10 上部蓋
20 蒸発部
25 流路層
25a 流路貫通部
27 受層
29 熱線
40 改質部
42 触媒
45 流路層
45a 流路貫通部
47 受層
49 熱線
60 CO除去部
62 触媒
65 流路層
65a 流路貫通部
67 受層
72 空気流入口
80 下部蓋
82 改質ガス排出口
250 従来の改質器
252 第1基板
254 第2基板
256 第3基板
258 ヒーター
300 従来の改質器
311、312 基板
313 熱伝導部
314 流路
316 反応触媒層
323 ヒーター
Claims (13)
- マイクロ燃料電池に用いられる薄型改質器において、
一側に燃料導入口が設けられたセラミック材料の上部蓋と、
前記上部蓋の一側に一体に形成され、複数のセラミック層から成り、内部流路を具備して前記上部蓋を介して流入した燃料を気化させる蒸発部と、
前記蒸発部の一側に一体に形成され、複数のセラミック層から成り、内部流路に触媒を具備して前記蒸発部から流入した燃料気体を水素に改質させる改質部と、
前記改質部の一側に一体に形成され、複数のセラミック層から成り、触媒を具備して前記改質部から流入した改質ガスからCOを除去させるCO除去部と、
前記CO除去部の一側に一体に形成され、改質ガス排出口を設けて改質ガスを外部へ排出させるセラミック材料の下部蓋と、
を含むことを特徴とする、マイクロ燃料電池用セラミック多層基板改質器。 - 前記蒸発部は、複数の内部流路がジグザグ蛇行で各々互いに同じく貫通形成され、互いに重畳して積層され流路貫通部を形成する複数の流路層と、
前記流路層の下部に一体に形成され前記流路層に具備された流路貫通部の下面を塞いで内部流路を形成し、前記改質部と区分けされるようにする受層を含み、前記受層の下面には蒸発部を加熱させる熱線とを備えたものであることを特徴とする、請求項1に記載のマイクロ燃料電池用セラミック多層基板改質器。 - 前記受層には前記内部流路を通して液体から気体に気化した燃料気体を改質部に移送するための燃料気体移送口が形成されることを特徴とする、請求項2に記載のマイクロ燃料電池用セラミック多層基板改質器。
- 前記改質部は、複数の内部流路が各々互いに同じく貫通形成され、互いに重畳して積層され流路貫通部を形成する複数の流路層と、
前記流路層の下部に一体に形成され前記流路層に具備された流路貫通部の下面を塞いで流路を形成し、CO除去部と区分けされるようにする受層を含み、
前記内部流路内には触媒粒子が充填され、前記受層の下面には改質部を加熱させる熱線と、
を含むことを特徴とする、請求項1に記載のマイクロ燃料電池用セラミック多層基板改質器。 - 前記改質部の触媒は、Cu/ZnOまたはCu/ZnO/Al2O3が用いられることを特徴とする、請求項4に記載のマイクロ燃料電池用セラミック多層基板改質器。
- 前記受層には前記内部流路の触媒との反応を通じて燃料気体から得られた改質ガスをCO除去部に移送するための改質ガス移送口が設けられることを特徴とする、請求項4に記載のマイクロ燃料電池用セラミック多層基板改質器。
- 前記CO除去部は、複数の内部流路が各々互いに同じく貫通形成され、互いに重畳して積層され流路貫通部を形成する複数の流路層と、
前記流路層の下部に一体に形成され前記流路層に具備された流路貫通部の下面を塞いで下部蓋と区分けされるようにする受層を含み、
前記内部流路内には一酸化炭素を二酸化炭素に転換する触媒が内蔵されることを特徴とする、請求項1に記載のマイクロ燃料電池用セラミック多層基板改質器。 - 前記CO除去部の触媒は、Pt、Pt/Ru、Cu/CeO/Al2O3のいずれか一つから成る粒子形態を具備したものであることを特徴とする、請求項7に記載のマイクロ燃料電池用セラミック多層基板改質器。
- 前記流路層の一側には触媒が一酸化炭素を二酸化炭素に転換する過程において必要な酸素を外部から提供するための空気流入口が設けられ、
前記受層には前記内部流路を通して生成された改質ガスを外部へ排出するための改質ガス排出口が一側に形成されることを特徴とする、請求項7に記載のマイクロ燃料電池用セラミック多層基板改質器。 - 前記セラミックは、LTCC (Low−Temperature Co−fired Ceramic)であることを特徴とする、請求項1に記載のマイクロ燃料電池用セラミック多層基板改質器。
- マイクロ燃料電池に用いられる薄型改質器の製造方法において、
セラミック材料の原板を加工し、上部蓋、蒸発部、改質部、CO除去部及び下部蓋とを形成する段階と、
前記蒸発部、改質部及びCO除去部の下部に熱線を配置する段階と、
前記上部蓋、蒸発部、改質部、CO除去部及び下部蓋を重畳させて焼成し、一体化する段階と、
前記改質部とCO除去部にそれぞれ触媒を充填する段階と、
を含むことを特徴とする、マイクロ燃料電池用セラミック多層基板改質器の製造方法。 - 前記セラミックは、LTCC (Low−Temperature Co−fired Ceramic)であることを特徴とする、請求項11に記載のマイクロ燃料電池用セラミック多層基板改質器の製造方法。
- 前記一体化段階は、
焼成炉内の温度を1.5℃/分当り上昇させながら250℃まで上昇させる段階と、
前記250℃に上昇した状態で120分間保持させる段階と、
3℃/分当り上昇させながら600℃まで上昇させる段階と、
600℃に上昇した状態で30分間保持させる段階と、
5℃/分当り上昇させながら850℃まで上昇させる段階と、
850℃に上昇した状態で30分間保持させる段階と、
自然空冷させる段階と、
を含むことを特徴とする、請求項11に記載のマイクロ燃料電池用セラミック多層基板改質器の製造方法。
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DE102007020888A1 (de) * | 2007-05-04 | 2008-11-06 | Micro Systems Engineering Gmbh & Co. Kg | Keramisches Substratmaterial, Verfahren zur Herstellung und Verwendung desselben sowie Antenne oder Antennenarray |
DE102007049172A1 (de) * | 2007-10-13 | 2009-04-16 | Micro Systems Engineering Gmbh & Co. Kg | Mikroreaktor und Verfahren zur Herstellung eines solchen sowie Verfahren zur Herstellung eines Substrats für einen Mikroreaktor |
KR101202485B1 (ko) * | 2008-04-16 | 2012-11-16 | 주식회사 엘지화학 | 세라믹 보드를 이용한 수성 가스 전환 반응기 |
KR101202538B1 (ko) | 2008-04-16 | 2012-11-19 | 주식회사 엘지화학 | 세라믹 보드를 이용한 선택적 산화 반응기 |
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US8486164B2 (en) | 2008-09-05 | 2013-07-16 | Samsung Sdi Co., Ltd. | Evaporator and fuel reformer having the same |
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DE102013012731A1 (de) * | 2013-08-01 | 2015-02-05 | Krohne Messtechnik Gmbh | Verfahren zur Herstellung eines Gaskonverters und entsprechender Gaskonverter |
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US7240424B2 (en) * | 2004-04-29 | 2007-07-10 | Northrop Grumman Corporation | Method of laminating low temperature co-fired ceramic (LTCC) Material |
KR100536254B1 (ko) * | 2004-05-14 | 2005-12-12 | 삼성에스디아이 주식회사 | 연료 전지 시스템, 이에 사용되는 개질기, 반응 기판 및그 반응 기판의 제조 방법 |
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KR100764404B1 (ko) | 2007-10-05 |
US20070154367A1 (en) | 2007-07-05 |
JP4879691B2 (ja) | 2012-02-22 |
KR20070070456A (ko) | 2007-07-04 |
DE102006043842A1 (de) | 2007-07-12 |
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