JP2012236138A - 高活性な燃料電池用カソード白金触媒 - Google Patents
高活性な燃料電池用カソード白金触媒 Download PDFInfo
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- JP2012236138A JP2012236138A JP2011106138A JP2011106138A JP2012236138A JP 2012236138 A JP2012236138 A JP 2012236138A JP 2011106138 A JP2011106138 A JP 2011106138A JP 2011106138 A JP2011106138 A JP 2011106138A JP 2012236138 A JP2012236138 A JP 2012236138A
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 76
- 239000003054 catalyst Substances 0.000 title claims abstract description 52
- 239000000446 fuel Substances 0.000 title abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 82
- 230000000694 effects Effects 0.000 abstract description 26
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- 238000005259 measurement Methods 0.000 description 12
- 239000003273 ketjen black Substances 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000012300 argon atmosphere Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 150000003058 platinum compounds Chemical class 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 230000010757 Reduction Activity Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- CTUFHBVSYAEMLM-UHFFFAOYSA-N acetic acid;platinum Chemical compound [Pt].CC(O)=O.CC(O)=O CTUFHBVSYAEMLM-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- -1 carbonyl quinone Chemical compound 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- HNKLPNDFOVJIFG-UHFFFAOYSA-N oxalic acid;platinum Chemical compound [Pt].OC(=O)C(O)=O HNKLPNDFOVJIFG-UHFFFAOYSA-N 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- NWAHZABTSDUXMJ-UHFFFAOYSA-N platinum(2+);dinitrate Chemical compound [Pt+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O NWAHZABTSDUXMJ-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
- Catalysts (AREA)
- Inert Electrodes (AREA)
Abstract
【解決手段】白金をカーボン担体に担持させてなる白金担持カーボン触媒であって、X線光電子分光装置(XPS)で測定される、カーボン担体のsp2混成軌道とsp3混成軌道の光電子強度の積分強度比sp2/sp3が1.8〜3.3の範囲内にある白金担持カーボン触媒。
【選択図】なし
Description
ケッチェンブラックEC300J(導電性カーボン、ケッチェン・ブラック・インターナショナル株式会社社製、商品名)をアルゴン雰囲気中にて1500℃で熱処理し、熱処理カーボン:KBEC300J−1500を得た。このKBEC300J−1500を0.6g、ジニトロジアンミンPtエタノール溶液をPt換算で0.4g、クエン酸を2.0g及びエタノールを100g還流装置に仕込み混合し、16時間還流還元することにより、触媒重量を基準にして40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300J−1500を得た。
ケッチェンブラックEC300J(導電性カーボン、ケッチェン・ブラック・インターナショナル社製、商品名)をアルゴン雰囲気中にて1800℃で熱処理し、熱処理カーボン:KBEC300J−1800を得た。このKBEC300J−1800を実施例1と同様に処理して、触媒重量を基準にして40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300J−1800を得た。
ケッチェンブラックEC600JDを真空雰囲気中にて1000℃で熱処理し、熱処理カーボン:KBEC600JD−1000を得た。このKBEC600JD−1000を実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC600JD−1000を得た。
ケッチェンブラックEC600JDをアルゴン雰囲気中にて1500℃で熱処理し、熱処理カーボン:KBEC600JD−1500を得た。このKBEC600JD−1500に実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC600JD−1500を得た。
熱処理していないケッチェンブラックEC300Jを実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300Jを得た。
ケッチェンブラックEC300Jを1000℃、真空雰囲気で熱処理し、熱処理カーボン:KBEC300J−1000を得た。このKBEC300J−1000に実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300JD−1000を得た。
ケッチェンブラックEC300Jを真空雰囲気中にて1200℃で熱処理し、熱処理カーボン:KBEC300J−1200を得た。このKBEC300J−1200に実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300J−1200を得た。
ケッチェンブラックEC300Jをアルゴン雰囲気中にて2000℃で熱処理し、熱処理カーボン:KBEC300J−2000を得た。このKBEC300J−2000に実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC300J−2000を得た。
熱処理をしていないケッチェンブラックEC600JDに実施例1と同様にして、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC600JDを得た。
ケッチェンブラックEC600JDをアルゴン雰囲気中にて2000℃で熱処理し、熱処理カーボン:KBEC600JD−2000を得た。このKBEC600JD−2000に実施例1と同様に処理して、40重量%の白金が担持された白金担持カーボン触媒:40wt%Pt/KBEC600JD−2000を得た。
D=K・λ/βcosθ
D:結晶子径
λ:測定X線波長
β:半価幅
θ:回折線のブラッグ角
K:シェラー定数=0.9
aPt=(VCO×NA×nPt×10−18×100)/(22414×ksf×c)
aPt:白金比表面積(m2・g−1)
VCO:一酸化炭素の吸着量(ml)
NA:アボガドロ定数=6.022×1023
nPt:白金1原子が占める断面積=0.08nm2・atom−1
ksf:化学両論比(白金原子1個と反応するガス分子の個数)=1
Claims (1)
- 白金をカーボン担体に担持させてなる白金担持カーボン触媒であって、X線光電子分光装置(XPS)で測定される、カーボン担体のsp2混成軌道とsp3混成軌道の光電子強度の積分強度比sp2/sp3が1.8〜3.3の範囲内にある白金担持カーボン触媒。
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JP2012236138A true JP2012236138A (ja) | 2012-12-06 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015204216A (ja) * | 2014-04-15 | 2015-11-16 | トヨタ自動車株式会社 | 燃料電池用電極触媒、及び燃料電池用電極触媒の製造方法 |
KR20170044146A (ko) | 2014-10-24 | 2017-04-24 | 가부시키가이샤 캬타라 | 연료 전지용 전극 촉매 및 그 제조 방법 |
DE102018206378A1 (de) | 2017-04-28 | 2018-10-31 | Cataler Corporation | Elektrodenkatalysator für Brennstoffzellen und Verfahren zu dessen Herstellung |
CN109888284A (zh) * | 2018-12-29 | 2019-06-14 | 湖南晋烨高科股份有限公司 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
WO2019177060A1 (ja) | 2018-03-16 | 2019-09-19 | 株式会社キャタラー | 燃料電池用電極触媒及びそれを用いた燃料電池 |
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JP2015204216A (ja) * | 2014-04-15 | 2015-11-16 | トヨタ自動車株式会社 | 燃料電池用電極触媒、及び燃料電池用電極触媒の製造方法 |
KR20170044146A (ko) | 2014-10-24 | 2017-04-24 | 가부시키가이샤 캬타라 | 연료 전지용 전극 촉매 및 그 제조 방법 |
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DE102018206378A1 (de) | 2017-04-28 | 2018-10-31 | Cataler Corporation | Elektrodenkatalysator für Brennstoffzellen und Verfahren zu dessen Herstellung |
US11217796B2 (en) | 2017-04-28 | 2022-01-04 | Cataler Corporation | Electrode catalyst for fuel cell and method of production of same |
WO2019177060A1 (ja) | 2018-03-16 | 2019-09-19 | 株式会社キャタラー | 燃料電池用電極触媒及びそれを用いた燃料電池 |
US11949113B2 (en) | 2018-03-16 | 2024-04-02 | Cataler Corporation | Electrode catalyst for fuel cell, and fuel cell using same |
CN109888284A (zh) * | 2018-12-29 | 2019-06-14 | 湖南晋烨高科股份有限公司 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
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