CN107694565B - 一种石墨烯气凝胶贵金属催化剂的制备方法 - Google Patents
一种石墨烯气凝胶贵金属催化剂的制备方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 111
- 239000003054 catalyst Substances 0.000 title claims abstract description 44
- 239000004964 aerogel Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000010970 precious metal Substances 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 32
- 238000004108 freeze drying Methods 0.000 claims abstract description 29
- 239000007864 aqueous solution Substances 0.000 claims abstract description 21
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 239000002211 L-ascorbic acid Substances 0.000 claims abstract description 16
- 235000000069 L-ascorbic acid Nutrition 0.000 claims abstract description 16
- 229960005070 ascorbic acid Drugs 0.000 claims abstract description 16
- 230000035484 reaction time Effects 0.000 claims abstract description 14
- 229910000510 noble metal Inorganic materials 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 38
- 239000011259 mixed solution Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 15
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 11
- 229910052700 potassium Inorganic materials 0.000 claims description 11
- 239000011591 potassium Substances 0.000 claims description 11
- 239000000017 hydrogel Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010907 mechanical stirring Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 239000000460 chlorine Substances 0.000 claims 2
- 229910052801 chlorine Inorganic materials 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 abstract description 14
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- SJLOMQIUPFZJAN-UHFFFAOYSA-N oxorhodium Chemical compound [Rh]=O SJLOMQIUPFZJAN-UHFFFAOYSA-N 0.000 description 9
- 229910003450 rhodium oxide Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- QIGXCGDYZRKCEN-UHFFFAOYSA-N O=[Ir](=O)=O Chemical compound O=[Ir](=O)=O QIGXCGDYZRKCEN-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002082 metal nanoparticle Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
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- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 2
- 239000002114 nanocomposite Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- UOEHQMCXBPRFEY-UHFFFAOYSA-N O=[Rh](=O)=O Chemical compound O=[Rh](=O)=O UOEHQMCXBPRFEY-UHFFFAOYSA-N 0.000 description 1
- GZLCNRXKVBAALW-UHFFFAOYSA-N O=[Ru](=O)=O Chemical compound O=[Ru](=O)=O GZLCNRXKVBAALW-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/462—Ruthenium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/468—Iridium
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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Abstract
Description
样品 | 转化率(%) | 样品 | 转化率(%) |
实施例1 | 97.5 | 对比例1 | 81 |
实施例2 | 95 | 对比例2 | 80 |
实施例3 | 97 | 对比例3 | 82 |
实施例4 | 96 | 对比例4 | 83 |
实施例5 | 95 | 对比例5 | 80 |
对比例6 | 75 |
Claims (24)
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CN201711034943.6A CN107694565B (zh) | 2017-10-30 | 2017-10-30 | 一种石墨烯气凝胶贵金属催化剂的制备方法 |
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CN201711034943.6A CN107694565B (zh) | 2017-10-30 | 2017-10-30 | 一种石墨烯气凝胶贵金属催化剂的制备方法 |
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CN107694565A CN107694565A (zh) | 2018-02-16 |
CN107694565B true CN107694565B (zh) | 2020-08-11 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109300701B (zh) * | 2018-09-04 | 2020-11-27 | 中山大学 | 一种高效电催化剂复合材料及其制备方法和应用 |
CN112151812B (zh) * | 2019-06-28 | 2021-09-28 | 河海大学 | 铑/硼氮共掺杂石墨烯气凝胶三维复合电极催化剂的制备方法 |
CN110973700B (zh) * | 2019-11-27 | 2022-01-21 | 郑州轻工业大学 | 一种具有加香和减害作用的多功能卷烟芯线的制备方法及其应用 |
CN111334559B (zh) * | 2020-03-24 | 2021-11-09 | 中国科学院长春应用化学研究所 | 一种纳米酶-气凝胶复合材料及唾液中酒精含量、血液中葡萄糖含量的检测方法 |
CN112054221B (zh) * | 2020-09-03 | 2021-09-07 | 河海大学 | 一种zif8-石墨烯基负载铑的气凝胶催化剂的制备方法和应用 |
CN112387249B (zh) * | 2020-11-11 | 2023-03-17 | 内蒙古科技大学 | 一种多孔生物炭/铁酸锌复合材料及其制备方法和应用 |
CN116393177B (zh) * | 2021-12-28 | 2024-09-13 | 万华化学集团股份有限公司 | 一种催化臭氧氧化NOx的催化剂及其制备方法和用途 |
CN114300532A (zh) * | 2021-12-28 | 2022-04-08 | 陕西理工大学 | 一种石墨烯负载贵金属复合粉体及其制备方法以及一种肖特基器件 |
CN115072810B (zh) * | 2022-07-28 | 2023-12-22 | 西安稀有金属材料研究院有限公司 | 一种绿色合成纳米氧化钌的方法 |
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CN104549363A (zh) * | 2014-12-31 | 2015-04-29 | 江苏大学 | 一种纳米金属或金属合金催化剂及其制备方法 |
CN105977034A (zh) * | 2016-07-07 | 2016-09-28 | 许昌学院 | 一种用于染料敏化太阳能电池的石墨烯复合硒、钴元素对电极的制备方法 |
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EP2687483A1 (en) * | 2012-07-16 | 2014-01-22 | Basf Se | Graphene containing nitrogen and optionally iron and/or cobalt |
SG11201605317WA (en) * | 2014-01-27 | 2016-07-28 | Univ Nanyang Tech | Graphene-metal chalcogenide porous material |
CN106268631B (zh) * | 2015-06-04 | 2019-11-12 | 中国科学院上海应用物理研究所 | 石墨烯-贵金属纳米颗粒复合水、气凝胶及其制备方法、应用 |
CN106824178A (zh) * | 2016-12-30 | 2017-06-13 | 上海泰坦科技股份有限公司 | 石墨烯气凝胶基贵金属催化剂的制备工艺 |
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CN104549363A (zh) * | 2014-12-31 | 2015-04-29 | 江苏大学 | 一种纳米金属或金属合金催化剂及其制备方法 |
CN105977034A (zh) * | 2016-07-07 | 2016-09-28 | 许昌学院 | 一种用于染料敏化太阳能电池的石墨烯复合硒、钴元素对电极的制备方法 |
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