JP4745942B2 - 燃料電池用カソード触媒、燃料電池用膜電極接合体及び燃料電池システム - Google Patents
燃料電池用カソード触媒、燃料電池用膜電極接合体及び燃料電池システム Download PDFInfo
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Description
常温で0.466gのIn2O3を30mlのエチレングリコールに混合した後、30分間攪拌した。製造された溶液を高圧反応器に入れて、エチレングリコールを高圧反応器の容量の80%程度にさらに添加した後、200℃で2時間反応させて常温で冷却して、希塩酸、メタノール、蒸溜水の順序で洗浄、ろ過した後、60℃で4時間乾燥して、Inナノチューブ粉末を製造した。その後、1gのルテニウムクロライド及び0.1gのSe粉末を100mlのベンゼン溶媒に入れて溶解させて、1gの製造されたInナノチューブ粉末を入れて混合した。
0.6gのルテニウムカルボニルを150mlのベンゼンに入れて溶解させた。製造された溶液に0.01gのセレニウム粉末及び1gの炭素ナノチューブを入れて、120℃で還流(reflux)しながら24時間攪拌して、洗浄した後、80℃で12時間乾燥した。
5 カソード電極
31、51 電極基材
33、53 触媒層
100 燃料電池システム
110 スタック
130 電気発生部
131 膜−電極接合体
133、135 セパレータ
150 燃料供給部
151、171 ポンプ
153 タンク
170 酸化剤供給部
Claims (16)
- In粒子と、
前記In粒子に担持されるRu−Se合金と、
を含み、
前記Ru−Se合金の組成比は、Ru:Se=70〜95:5〜30であることを特徴とする、燃料電池用カソード触媒。 - 前記In粒子は、直径がナノサイズのチューブ形状を有するナノチューブ及び直径がナノサイズの球形状を有するナノスフィアからなる群より選択される一種の形態であることを特徴とする、請求項1に記載の燃料電池用カソード触媒。
- 前記Ru−Se合金の組成比は、Ru:Se=80〜85:15〜20であることを特徴とする、請求項1に記載の燃料電池用カソード触媒。
- 前記Ru−Se合金の担持量は、前記In粒子及び前記Ru−Se合金の総質量に対して5〜80質量%であることを特徴とする、請求項1に記載の燃料電池用カソード触媒。
- 前記Ru−Se合金の担持量は、前記In粒子及び前記Ru−Se合金の総質量に対して20〜60質量%であることを特徴とする、請求項4に記載の燃料電池用カソード触媒。
- 互いに対向して位置するアノード電極及びカソード電極と、
前記アノード及び前記カソード電極の間に位置する高分子電解質膜と、
を含み、
前記アノード電極及び前記カソード電極は、導電性電極基材と当該導電性電極基材に形成される触媒層と、を含み、
前記カソード電極の触媒層は、請求項1〜5のいずれか一項によるカソード触媒を含む
ことを特徴とする、燃料電池用膜電極接合体。 - 前記高分子電解質膜は、側鎖にスルホン酸基、カルボン酸基、リン酸基、ホスホン酸基、及びこれらの誘導体からなる群より選択される陽イオン交換基を含む高分子樹脂を含むことを特徴とする、請求項6に記載の燃料電池用膜電極接合体。
- 前記高分子樹脂は、フッ素系高分子、ベンズイミダゾル系高分子、ポリイミド系高分子、ポリエーテルイミド系高分子、ポリフェニレンスルフィド系高分子、ポリスルホン系高分子、ポリエーテルスルホン系高分子、ポリエーテルケトン系高分子、ポリエーテル−エーテルケトン系高分子、及びポリフェニルキノキサリン系高分子からなる群より選択される一種以上の高分子樹脂であることを特徴とする、請求項7に記載の燃料電池用膜電極接合体。
- 前記高分子樹脂は、ポリ(パーフルオロスルホン酸)、ポリ(パーフルオロカルボン酸)、スルホン酸基を含むテトラフルオロエチレン、スルホン酸基を含むフルオロビニルエーテルの共重合体、脱フッ化された硫化ポリエーテルケトン、アリールケトン、ポリ(2,2’−m−フェニレン)−5,5’−ビベンズイミダゾル、及びポリ(2,5−ベンズイミダゾル)からなる群より選択される一種以上の高分子樹脂であることを特徴とする、請求項8に記載の燃料電池用膜電極接合体。
- 前記アノード電極の触媒層は、白金、ルテニウム、オスミウム、白金−ルテニウム合金、白金−オスミウム合金、白金−パラジウム合金、及び白金−M合金からなる群より選択される一種以上の触媒を含み、
前記Mは、Ga、Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Sn、Mo、W、Rh、及びこれらの組み合わせからなる群より選択される一種以上の遷移金属である
ことを特徴とする、請求項6に記載の燃料電池用膜電極接合体。 - 前記アノード電極の触媒層に含まれる触媒は、アセチレンブラック、デンカブラック、活性炭素、ケッチェンブラック、黒鉛、アルミナ、シリカ、チタニア、及びジルコニアからなる群より選択される担体に担持されることを特徴とする、請求項10に記載の燃料電池用膜電極接合体。
- 前記触媒層は、ポリテトラフルオロエチレン、ポリフッ化ビニリデン、ポリ塩化ビニリデン、ポリビニルアルコール、セルロースアセテート、及びポリ(パーフルオロスルホン酸)からなる群より選択される一種以上のバインダーをさらに含むことを特徴とする、請求項6に記載の燃料電池用膜電極接合体。
- 前記電極基材は、炭素紙、炭素布、炭素フェルト、及び金属布からなる群より選択される一種以上の導電性基材を含むことを特徴とする、請求項6に記載の燃料電池用膜電極接合体。
- 請求項6に記載の膜電極接合体及び前記膜電極接合体の両面に位置するセパレータを含む電気発生部と、
燃料を前記電気発生部に供給する燃料供給部と、
酸化剤を前記電気発生部に供給する酸化剤供給部と、
を含むことを特徴とする、燃料電池システム。 - 前記燃料電池システムは、高分子電解質型燃料電池及び直接酸化型燃料電池からなる群より選択されるものであることを特徴とする、請求項14に記載の燃料電池システム。
- 前記燃料電池システムは、直接酸化型燃料電池であることを特徴とする、請求項15に記載の燃料電池システム。
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KR10-2005-0115919 | 2005-11-30 | ||
KR1020050115919A KR100684853B1 (ko) | 2005-11-30 | 2005-11-30 | 연료 전지용 캐소드 촉매, 이를 포함하는 연료 전지용막-전극 어셈블리 및 연료 전지 시스템 |
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KR (1) | KR100684853B1 (ja) |
CN (1) | CN100464454C (ja) |
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US7923171B2 (en) * | 2006-01-18 | 2011-04-12 | Samsung Sdi Co., Ltd. | Cathode catalyst for fuel cell, and membrane-electrode assembly for fuel cell and fuel cell system including same |
KR100728182B1 (ko) * | 2006-05-12 | 2007-06-13 | 삼성에스디아이 주식회사 | 연료 전지용 캐소드 촉매, 이를 포함하는 연료 전지용막-전극 어셈블리, 및 이를 포함하는 연료 전지 시스템 |
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US20130230794A1 (en) * | 2010-07-08 | 2013-09-05 | President And Fellows Of Harvard College | Complex oxides for catalytic electrodes |
KR101391707B1 (ko) | 2013-04-23 | 2014-05-07 | 한국과학기술연구원 | 복합 촉매를 포함하는 고분자 전해질 멤브레인 연료전지 및 복합 촉매의 제조방법 |
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US20080020923A1 (en) * | 2005-09-13 | 2008-01-24 | Debe Mark K | Multilayered nanostructured films |
KR101223630B1 (ko) * | 2005-11-11 | 2013-01-17 | 삼성에스디아이 주식회사 | 연료 전지의 캐소드 전극용 촉매, 이의 제조 방법, 이를포함하는 연료 전지용 막-전극 어셈블리 및 이를 포함하는연료 전지 시스템 |
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CN100464454C (zh) | 2009-02-25 |
EP1793443B1 (en) | 2009-04-01 |
DE602006006007D1 (de) | 2009-05-14 |
EP1793443A1 (en) | 2007-06-06 |
US20070122685A1 (en) | 2007-05-31 |
KR100684853B1 (ko) | 2007-02-20 |
CN1976102A (zh) | 2007-06-06 |
JP2007157711A (ja) | 2007-06-21 |
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