JP2007516574A - 燃料電池酸素電極用触媒 - Google Patents
燃料電池酸素電極用触媒 Download PDFInfo
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- JP2007516574A JP2007516574A JP2006533194A JP2006533194A JP2007516574A JP 2007516574 A JP2007516574 A JP 2007516574A JP 2006533194 A JP2006533194 A JP 2006533194A JP 2006533194 A JP2006533194 A JP 2006533194A JP 2007516574 A JP2007516574 A JP 2007516574A
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- supported catalyst
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- 125000002524 organometallic group Chemical group 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 58
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- 150000003624 transition metals Chemical class 0.000 claims description 5
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- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 229910005813 NiMH Inorganic materials 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 1
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- JBANFLSTOJPTFW-UHFFFAOYSA-N azane;boron Chemical compound [B].N JBANFLSTOJPTFW-UHFFFAOYSA-N 0.000 description 1
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- 239000001569 carbon dioxide Substances 0.000 description 1
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- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- PAPJVXALCKSAQH-UHFFFAOYSA-N cobalt(2+) manganese(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Co+2].[Mn+2].[O-2].[O-2] PAPJVXALCKSAQH-UHFFFAOYSA-N 0.000 description 1
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- BLYYANNQIHKJMU-UHFFFAOYSA-N manganese(2+) nickel(2+) oxygen(2-) Chemical compound [O--].[O--].[Mn++].[Ni++] BLYYANNQIHKJMU-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
触媒を作成するための多数の技術も開発されてきた。これらの技術は、含浸、被覆、又は単純に金属粉を支持体と混合することを含む。例えば、金属塩溶液を担体マトリックスの上へ析出させて担持型触媒を作製する方法を開示している、“Homogeneous Deposition Precipitation of Metal Compounds on Support or Carrier Materials”と題する、Geus氏への米国特許番号第4,113,658号を参照のこと。
炭素上に装着された5重量%CoOx(●)
I.250ccのNH4OH(アンモニア)を超音波撹拌下で25gの炭素に添加する。
炭素上に装着された5重量%MnOx(■)
I.250ccのNH4OH(アンモニア)を超音波撹拌下で25gの炭素に添加する。
炭素上に装着された10重量%MnOx(▲)
I.250ccのNH4OH(アンモニア)を超音波撹拌下で25gの炭素に添加する。
炭素上に装着された5重量%MnOx+5重量%CoOx(◆)
I.600ccのNH4OH(アンモニア)を超音波撹拌下で60gの炭素に添加する。
炭素上に装着された2.5重量%MnOx+7.5重量%CoOx(●)
I.600ccのNH4OH(アンモニア)を超音波撹拌下で60gの炭素に添加する。
炭素上に装着された7.5重量%MnOx+2.5重量%CoOx(□)
I.600ccのNH4OH(アンモニア)を超音波撹拌下で60gの炭素に添加する。
炭素上の20重量%Co−TMPP
I.300ccのNH4OH(アンモニア)を超音波撹拌下で20gの炭素に添加する。
炭素上に装着された15重量%CoOx+5重量%MnOx
I.400ccのNH4OH(アンモニア)を超音波撹拌下で30gの炭素に添加する。
20重量%Co−TMPP/15重量%CoOx+5重量%MnOx
5.0gの炭素上の20重量%Co−TMPPを5.0gの炭素上の15重量%CoOx+5重量%MnOxと混合して、電極を調製する。
Claims (27)
- アルカリ燃料電池用担持型触媒であって、
担体マトリックスと、
混合原子価−ナノ集合−金属酸化物と、
を含み、前記混合原子価−ナノ集合−金属酸化物は、前記担体マトリックスによって支持されている担持型触媒。 - 前記担体マトリックスは炭素基であることを特徴とする、請求項1による担持型触媒。
- 金属酸化物は、少なくとも一つの遷移金属を含むことを特徴とする、請求項1による担持型触媒。
- 前記担体マトリックスによって支持された有機金属を更に含むことを特徴とする、請求項1による担持型触媒。
- 前記有機金属は、前記混合原子価−ナノ集合−金属酸化物と接触していることを特徴とする、請求項4による担持型触媒。
- 前記有機金属は、前記混合原子価−ナノ集合−金属酸化物上に支持されていることを特徴とする、請求項4による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、前記有機金属上に支持されていることを特徴とする、請求項4による担持型触媒。
- 第二担体マトリックスと、
前記第二担体マトリックスの周りに実質的に均一に分布し、且つそれに支持されている有機金属と、
を更に含むことを特徴とする、請求項1による担持型触媒。 - 前記第二担体マトリックスは炭素基であることを特徴とする、請求項8による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、第一反応段階を促進する反応速度を与える一成分と、第一に優先して第二反応段階を促進する反応速度を与える別の成分を有し、多成分且つ多機能であることを特徴とする、請求項8による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、主として酸化コバルトを含むことを特徴とする、請求項2による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、主として酸化マンガンを含むことを特徴とする、請求項2による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、主としてコバルト−マンガン酸化物を含むことを特徴とする、請求項2による担持型触媒。
- 前記混合原子価−ナノ集合−金属酸化物は、低い酸化状態の金属を高い酸化状態の金属よりも多く含むことを特徴とする、請求項2による担持型触媒。
- 前記ナノ集合体は、三つ又は三つ以上の原子価を有することを特徴とする、請求項2による担持型触媒。
- 前記ナノ集合体は、四つ又は四つ以上の原子価を有することを特徴とする、請求項2による担持型触媒。
- 触媒は、本質的に貴金属を含まないことを特徴とする、請求項2による担持型触媒。
- 前記ナノ集合体は、異なる結晶方位を有する複数の結晶粒を含むことを特徴とする、請求項1による担持型触媒。
- 前記結晶粒は、それぞれ100Å以下の直径を有することを特徴とする、請求項18による担持型触媒。
- 前記有機金属は、少なくとも遷移金属を含有する大環状分子を含むことを特徴とする、請求項4による担持型触媒。
- 燃料電池用酸素電極であって、
混合原子価−ナノ集合−金属酸化物触媒を含む活性物質層と、
前記活性物質層に最近接したガス拡散層と、
前記活性物質層と電気的に連通している少なくとも一つの集電体と、
を含む酸素電極。 - 前記活性物質層は、
前記混合原子価−ナノ集合−金属酸化物触媒と接触している有機金属、
を更に含むことを特徴とする、請求項21の酸素電極。 - 前記混合原子価−ナノ集合−金属酸化物触媒は、第一反応段階を促進する反応速度を与える一成分と、第一に優先して第二反応段階を促進する反応速度を与える別の成分を有し、多成分で多機能であることを特徴とする、請求項21の酸素電極。
- 前記ナノ集合体は、異なる結晶方位を有する複数の結晶粒を含むことを特徴とする、請求項21の酸素電極。
- 前記ナノ集合体は、100Å又はそれ以下の直径を有する複数の結晶粒を含むことを特徴とする、請求項21の酸素電極。
- 前記有機金属は、少なくとも一つの遷移金属を含有する大環状分子を含むことを特徴とする、請求項22の酸素電極。
- 前記有機金属は、少なくとも一つの希土類金属を含有する大環状分子を含むことを特徴とする、請求項22の酸素電極。
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US10/457,624 US7097933B2 (en) | 2003-06-09 | 2003-06-09 | Catalyst for fuel cell oxygen electrodes |
US10/457,624 | 2003-06-09 | ||
PCT/US2004/015569 WO2005001954A2 (en) | 2003-06-09 | 2004-05-18 | Catalyst for fuel cell oxygen electrodes |
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EP (1) | EP1632002A4 (ja) |
JP (1) | JP5087277B2 (ja) |
KR (1) | KR101168033B1 (ja) |
CN (1) | CN100584451C (ja) |
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US7097933B2 (en) | 2006-08-29 |
WO2005001954A3 (en) | 2005-09-22 |
EP1632002A4 (en) | 2009-02-25 |
EP1632002A2 (en) | 2006-03-08 |
US20040247988A1 (en) | 2004-12-09 |
US20060252635A1 (en) | 2006-11-09 |
KR101168033B1 (ko) | 2012-07-27 |
CN1802208A (zh) | 2006-07-12 |
WO2005001954A2 (en) | 2005-01-06 |
KR20060036924A (ko) | 2006-05-02 |
MXPA05013287A (es) | 2006-03-17 |
JP5087277B2 (ja) | 2012-12-05 |
CN100584451C (zh) | 2010-01-27 |
MX261428B (es) | 2008-10-16 |
CA2526743A1 (en) | 2005-01-06 |
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