JP2012204302A - 燃料電池用電極触媒の製造方法 - Google Patents
燃料電池用電極触媒の製造方法 Download PDFInfo
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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
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- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
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- VEUUMBGHMNQHGO-UHFFFAOYSA-N ethyl chloroacetate Chemical compound CCOC(=O)CCl VEUUMBGHMNQHGO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Fuel Cell (AREA)
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- Inert Electrodes (AREA)
Abstract
【解決手段】金属担持セルロース又はその炭化物と含窒素化合物を含む混合物を通電加熱することを特徴とする、燃料電池用電極触媒の製造方法。
【選択図】なし
Description
項1. 金属担持セルロース又はその炭化物と含窒素化合物を含む混合物を通電加熱することを特徴とする、燃料電池用電極触媒の製造方法。
項2. 前記金属が鉄、コバルトまたはニッケルである、項1に記載の方法。
項3. 前記含窒素化合物がメラミンである、項1又は2に記載の方法。
項4. 含窒素化合物の比率が、50〜85重量%である項1〜4のいずれかに記載の方法。
項5. 前記金属担持セルロースが、セルロースにジケテンを反応させ、その後金属化合物の溶液を作用させて金属を担持させたものである。項1〜4のいずれか1項に記載の方法。
セルロース粉末(MCC:Microcrystaline Cellulose、Aldrich社製)50gを500mlビーカーに入れ、セルロースが全て浸る程度の蒸留水300mlを加え、パラフィルムで栓をして室温で約1日放置した。減圧濾過でセルロースを単離した後、次はアセトンに1日程度浸漬させた。その後アセトン、N,N-ジメチルアセトアミド(DMAc)、DMAcの順にそれぞれ1日程度浸漬させ、最後に真空乾燥を行い、溶媒を完全に除去した。500mL二口フラスコに前処理をしたMCCを0.8g、DMAc を30mL、塩化リチウムを1.5g、および回転子を加えたフラスコに栓をし、室温でマグネティックスターラーを用いて24時間攪拌し,無色透明の均一系セルロース溶液を得た。均一系セルロース溶液の入ったフラスコに窒素充填した風船を備えた還流冷却管をつなぎ、攪拌しながら、ジケテン2.28ml(6当量)を滴下し80℃で30分間加熱攪拌した。反応液は透明な溶液から赤色の溶液へ変化が見られた。生成物溶液の温度が室温まで下がったところで、攪拌しながらメタノール120mLをゆっくり滴下して生成物を析出させた。生成物を洗浄するため、室温で約1時間撹拌した。生成物の単離は桐山ロートを用いて減圧濾過を行い、生成物は濾紙上でメタノールによりよく洗浄した。その後、メタノール洗浄と濾過を2回繰り返し、生成物をスクリュー管に移し変えた後、最後に真空乾燥を行い、溶媒を完全に除去し、アセトアセチル化セルロース(CAA:Cellulose Acetoacetate)を得た。ビーカーに1Mの酢酸緩衝液でpHを約5に調整した0.2mol/L塩化コバルト(II)水溶液、あるいは0.2mol/L塩化鉄(III)水溶液10mlに、CAA 0.1gを加え24時間撹拌した。その後試料と金属溶液(金属は鉄(実施例1)又はコバルト(実施例2))の懸濁液を桐山ロートでろ過し、ロート上で蒸留水洗浄をし、真空乾燥によって乾燥し金属担持CAAを得た。
Claims (5)
- 金属担持セルロース又はその炭化物と含窒素化合物を含む混合物を通電加熱することを特徴とする、燃料電池用電極触媒の製造方法。
- 前記金属が鉄、コバルトまたはニッケルである、請求項1に記載の方法。
- 前記含窒素化合物がメラミンである、請求項1又は2に記載の方法。
- 含窒素化合物の比率が、50〜85重量%である請求項1〜4のいずれかに記載の方法。
- 前記金属担持セルロースが、セルロースにジケテンを反応させ、その後金属化合物の溶液を作用させて金属を担持させたものである。請求項1〜4のいずれか1項に記載の方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101424741B1 (ko) * | 2012-11-15 | 2014-08-06 | 국립대학법인 울산과학기술대학교 산학협력단 | 아연 공기 전지용 복합 촉매, 이의 제조 방법, 및 이를 포함하는 아연 공기 전지용 공기극 및 아연 공기 전지 |
JP2022126752A (ja) * | 2017-02-16 | 2022-08-30 | 本田技研工業株式会社 | 電気化学セル電極及び電気化学セル |
WO2023199935A1 (ja) * | 2022-04-13 | 2023-10-19 | 日本製紙株式会社 | 黒鉛結晶含有炭素材料の製造方法 |
JP7491976B2 (ja) | 2022-10-26 | 2024-05-28 | 日本製紙株式会社 | 炭素材料及びその製造方法、並びにそれらの応用 |
Citations (1)
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JP2010287316A (ja) * | 2009-06-09 | 2010-12-24 | Kyoto Univ | 燃料電池用電極触媒の製造方法 |
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JP2010287316A (ja) * | 2009-06-09 | 2010-12-24 | Kyoto Univ | 燃料電池用電極触媒の製造方法 |
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KR101424741B1 (ko) * | 2012-11-15 | 2014-08-06 | 국립대학법인 울산과학기술대학교 산학협력단 | 아연 공기 전지용 복합 촉매, 이의 제조 방법, 및 이를 포함하는 아연 공기 전지용 공기극 및 아연 공기 전지 |
JP2022126752A (ja) * | 2017-02-16 | 2022-08-30 | 本田技研工業株式会社 | 電気化学セル電極及び電気化学セル |
WO2023199935A1 (ja) * | 2022-04-13 | 2023-10-19 | 日本製紙株式会社 | 黒鉛結晶含有炭素材料の製造方法 |
JP7491976B2 (ja) | 2022-10-26 | 2024-05-28 | 日本製紙株式会社 | 炭素材料及びその製造方法、並びにそれらの応用 |
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