CN110433816B - 一种负载型钴掺杂的二氧化铈纳米片的制备方法 - Google Patents
一种负载型钴掺杂的二氧化铈纳米片的制备方法 Download PDFInfo
- Publication number
- CN110433816B CN110433816B CN201910836550.XA CN201910836550A CN110433816B CN 110433816 B CN110433816 B CN 110433816B CN 201910836550 A CN201910836550 A CN 201910836550A CN 110433816 B CN110433816 B CN 110433816B
- Authority
- CN
- China
- Prior art keywords
- cobalt
- doped
- cerium dioxide
- precursor
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 title claims abstract description 35
- 239000002135 nanosheet Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002243 precursor Substances 0.000 claims abstract description 15
- 238000001354 calcination Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 claims abstract description 5
- 238000004729 solvothermal method Methods 0.000 claims abstract description 5
- 238000011065 in-situ storage Methods 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 16
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 12
- 229940011182 cobalt acetate Drugs 0.000 claims description 10
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 10
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 8
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 8
- 229960004011 methenamine Drugs 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002086 nanomaterial Substances 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000011068 loading method Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 239000002055 nanoplate Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical group [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
本发明公开了一种负载型钴掺杂的二氧化铈纳米片的制备方法。这个方法的具体过程为:首先使用溶剂热法将钴掺杂的碱式碳酸铈原位生长在基体材料上,得到前驱体;再将所得前驱体煅烧,热剥离制得负载型钴掺杂的二氧化铈纳米片。本发明使用热剥离法制备非层状晶体的二维片状结构,并通过掺杂和负载等基本手段,有效的解决了二氧化铈纳米材料导电性差及易团聚的缺陷。同时,所得负载型钴掺杂的二氧化铈纳米片具有优异的电催化析氢活性,即具有一定工业化价值。
Description
技术领域
本发明属于纳米材料技术领域,具体涉及一种负载型钴掺杂的二氧化铈纳米片的制备方法。
背景技术
我国的稀土资源储量丰富,工业储量居世界首位。稀土在地壳中占比0.0153%,其中铈的地壳丰度最大(0.0046%),而二氧化铈占稀土已探明储量中50%。二氧化铈这种极其重要的稀土材料,广泛应用于电子陶瓷、抛光剂、紫外线吸收剂、气体传感器,光学材料等领域。特别是在催化领域,与传统工业化中通过的草酸沉淀法得到的氧化铈不同,不同纳米结构的二氧化铈纳米材料(颗粒,立方体,棒状,线状,花状,球状,片状)凭借其特别的物理化学性质在不同催化反应中展现优异的催化性能。其中,二维片状纳米结构的二氧化铈由于具有较大的比表面积、独特的表面化学、优异的电子特性,可在催化剂领域中拥有更广泛的应用。但,二维片状二氧化铈的合成仍然存在巨大的挑战。因为,二氧化铈是典型的萤石结构,空间群是Fm3m,由Ce-O键在三维空间延展形成。这种晶体结构并不是层状,因此很难直接通过剥离制备合成均匀的二维片状纳米结构。除此之外,在现有的报道中,无载体的二氧化铈纳米材料受限于易团聚的缺点,限制其活性位点暴露及应用;无掺杂的纯二氧化铈纳米材料导电性过差,无法进一步在电催化等相关领域应用。本发明利用碱式碳酸铈层状的特殊结构,通过煅烧去除层间CO3 2-和OH-,剥离得到二维片状二氧化铈;并使用负载与掺杂的基本方法,规避了二氧化铈纳米材料易团聚,导电性差等缺陷。
发明内容
本发明的目的在于提供一种新型的负载型钴掺杂的二氧化铈纳米片的制备方法。
为达到上述目的,本发明采用了如下方案来实现:
负载型钴掺杂的二氧化铈纳米片的制备:
(1)将钴掺杂的碱式碳酸铈原位生长在基体材料上,得到前驱体;
(2)将(1)所得前驱体通过煅烧去除层间CO3 2-和OH-,从而剥离制得负载型钴掺杂的二氧化铈纳米片。
可选地,前驱体的制备包括以下步骤:将硝酸铈、醋酸钴、六次甲基四胺和溶剂混合均匀,加入基体材料,通过溶剂热反应制得所述前驱体。
可选地,硝酸铈的浓度为0.01~0.3mol/L、醋酸钴的浓度为0.002~0.06mol/L,且硝酸铈与醋酸钴的摩尔比为1:1~9:1,六次甲基四胺的浓度为0.05~0.1mol/L。
可选地,溶剂为乙醇和乙二醇的混合溶液,且乙醇和乙二醇的体积比为14:15。
可选地,基体材料为包括但不仅限于碳布、泡沫镍、泡沫铜、三维石墨烯。
可选地,溶剂热反应温度为150~200℃,反应时间为5~10h。
可选地,煅烧温度为300~500℃,煅烧时间为1~3h。
本发明的有益效果是:本发明利用掺杂的碱式碳酸铈作为前驱体,通过煅烧去除层间的CO3 2-和OH-,进一步通过剥离得到负载在载体上的层厚4nm的二维二氧化铈纳米片,其氧化铈晶格内部均匀掺杂钴原子。厚度均匀,结构明确,成本低廉,电催化析氢性能优异。该材料通过热剥离法制备二维材料,突破了非层状晶体结构与二维层状纳米结构的壁垒;通过掺杂和负载等基本手段,有效的解决了二氧化铈纳米材料导电性差及易团聚的缺陷。
附图说明
图1为实施例1所得到的负载型钴掺杂的二氧化铈纳米片的TEM图;
图2为实施例1所得到的负载型钴掺杂的二氧化铈纳米片负载于泡沫铜的SEM图;
图3为实施例1所得到的负载型钴掺杂的二氧化铈纳米片的AFM测试结果;
图4为实施例1~4所得到的负载型的钴掺杂二氧化铈纳米片的电催化析氢反应测试结果。
具体实施方式
根据本发明所述技术方案采取的具体实施方式进行说明如下:
实施例1
将0.5mmol醋酸钴,1.5mmol和125mg的六次甲基四胺溶解在乙醇(7mL)和乙二醇(7.5mL)混合溶液中。将溶液与泡沫铜载体(2cm×3cm)转移至50mL水热釜,在170℃烘箱中反应8h。所得产物用乙醇清洗,并在空气中自然干燥。将所得前驱体在管式炉中400℃煅烧2h,可得负载型钴掺杂二氧化铈纳米片(如图2)。进一步去除所得的材料形貌为超薄均匀纳米片层(如图1),其层厚约为4nm(如图3)。在1.0M氢氧化钾溶液中测试所得负载型钴掺杂二氧化铈纳米片的电催化析氢性能,电流密度在100mA cm-2时,过电位为132mV(如图4)。
实施例2
将0.33mmol醋酸钴,1.67mmol和125mg的六次甲基四胺溶解在乙醇(7mL)和乙二醇(7.5mL)混合溶液中。将溶液与泡沫铜载体(2cm×3cm)转移至50mL水热釜,在170℃烘箱中反应8h。所得产物用乙醇清洗,并在空气中自然干燥。将所得前驱体在管式炉中400℃煅烧2h,可得负载型钴掺杂二氧化铈纳米片。在1.0M氢氧化钾溶液中测试所得负载型钴掺杂二氧化铈纳米片的电催化析氢性能,电流密度在100mA cm-2时,过电位为134mV(如图4)。
实施例3
将1mmol醋酸钴,1mmol和125mg的六次甲基四胺溶解在乙醇(7mL)和乙二醇(7.5mL)混合溶液中。将溶液与泡沫铜载体(2cm×3cm)转移至50mL水热釜,在170℃烘箱中反应8h。所得产物用乙醇清洗,并在空气中自然干燥。将所得前驱体在管式炉中400℃煅烧2h,可得负载型钴掺杂二氧化铈纳米片。在1.0M氢氧化钾溶液中测试所得负载型钴掺杂二氧化铈纳米片的电催化析氢性能,电流密度在100mA cm-2时,过电位为146mV(如图4)。
实施例4
将0.2mmol醋酸钴,1.8mmol和125mg的六次甲基四胺溶解在乙醇(7mL)和乙二醇(7.5mL)混合溶液中。将溶液与泡沫铜载体(2cm×3cm)转移至50mL水热釜,在170℃烘箱中反应8h。所得产物用乙醇清洗,并在空气中自然干燥。将所得前驱体在管式炉中400℃煅烧2h,可得负载型钴掺杂二氧化铈纳米片。在1.0M氢氧化钾溶液中测试所得负载型钴掺杂二氧化铈纳米片的电催化析氢性能,电流密度在100mA cm-2时,过电位为161mV(如图4)。
Claims (3)
1.一种负载型钴掺杂的二氧化铈纳米片的制备方法,其特征在于,包括以下步骤:
(1)将钴掺杂的碱式碳酸铈原位生长在基体材料上,得到前驱体;所述前驱体的制备包括以下步骤:将硝酸铈、醋酸钴、六次甲基四胺和溶剂混合均匀,加入基体材料,通过溶剂热反应制得所述前驱体;所述基体材料包括碳布、泡沫镍、泡沫铜或三维石墨烯;所述溶剂热反应温度为150~200℃,时间为5~10h;
(2)将(1)所得前驱体通过煅烧去除层间CO3 2-和OH-,从而剥离制得负载型钴掺杂的二氧化铈纳米片;所述煅烧温度为300~500℃,时间为1~3h。
2.根据权利要求1所述的制备方法,其特征在于,所述硝酸铈的浓度为0.01~0.3mol/L、醋酸钴的浓度为0.002~0.06mol/L,且硝酸铈与醋酸钴的摩尔比为1:1~9:1,六次甲基四胺的浓度为0.05-0.1mol/L。
3.根据权利要求1所述的制备方法,其特征在于,所述溶剂为乙醇和乙二醇的混合溶液,且乙醇和乙二醇的体积比为14:15。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910836550.XA CN110433816B (zh) | 2019-09-05 | 2019-09-05 | 一种负载型钴掺杂的二氧化铈纳米片的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910836550.XA CN110433816B (zh) | 2019-09-05 | 2019-09-05 | 一种负载型钴掺杂的二氧化铈纳米片的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110433816A CN110433816A (zh) | 2019-11-12 |
CN110433816B true CN110433816B (zh) | 2021-09-03 |
Family
ID=68439228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910836550.XA Active CN110433816B (zh) | 2019-09-05 | 2019-09-05 | 一种负载型钴掺杂的二氧化铈纳米片的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110433816B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111203206B (zh) * | 2020-03-10 | 2022-10-21 | 北京大学深圳研究生院 | 一种CeO2基电催化产氧催化剂及其制备方法和应用 |
CN111701594A (zh) * | 2020-06-09 | 2020-09-25 | 电子科技大学 | 一种负载型单分散Ni纳米颗粒修饰的三维多孔V2O3微米花的制备方法 |
CN112853385A (zh) * | 2020-12-31 | 2021-05-28 | 中国人民大学 | 一种氧空位及Mn掺杂双缺陷二氧化铈纳米片及其制备方法与应用 |
CN112547094A (zh) * | 2021-01-04 | 2021-03-26 | 济南大学 | 一种钯原位修饰铜钴掺杂二氧化铈纳米球的制备方法 |
CN112774678A (zh) * | 2021-01-25 | 2021-05-11 | 华南理工大学 | 一种金纳米颗粒负载于二氧化铈纳米片材料及其合成方法与应用 |
CN113181926B (zh) * | 2021-04-28 | 2022-06-14 | 福州大学 | 一种氧化铈负载高表面缺陷氧化钴的氨合成催化剂 |
CN113731428A (zh) * | 2021-09-08 | 2021-12-03 | 常州大学 | 一种CeO2纳米三角片负载CuO催化剂的制备方法及其应用 |
CN114377709A (zh) * | 2022-01-26 | 2022-04-22 | 江西师范大学 | 一种用水热法制备CeO2/Ce(OH)CO3异质结的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006274385A (ja) * | 2005-03-30 | 2006-10-12 | Tayca Corp | 水中で剥離する層状複水酸化物を使用した防錆皮膜組成物およびそれを用いた防錆処理金属材料 |
CN101982414A (zh) * | 2010-10-19 | 2011-03-02 | 北京航空航天大学 | 采用溶剂热法制备掺杂纳米二氧化铈粉末的方法 |
CN106745170A (zh) * | 2016-12-09 | 2017-05-31 | 中南大学 | 一种片状结构的钴掺杂氧化铈纳米材料及其制备和应用 |
CN108620113A (zh) * | 2018-05-16 | 2018-10-09 | 内江师范学院 | 一种氮掺杂的碳-铈复合纳米片的制备方法 |
-
2019
- 2019-09-05 CN CN201910836550.XA patent/CN110433816B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006274385A (ja) * | 2005-03-30 | 2006-10-12 | Tayca Corp | 水中で剥離する層状複水酸化物を使用した防錆皮膜組成物およびそれを用いた防錆処理金属材料 |
CN101982414A (zh) * | 2010-10-19 | 2011-03-02 | 北京航空航天大学 | 采用溶剂热法制备掺杂纳米二氧化铈粉末的方法 |
CN106745170A (zh) * | 2016-12-09 | 2017-05-31 | 中南大学 | 一种片状结构的钴掺杂氧化铈纳米材料及其制备和应用 |
CN108620113A (zh) * | 2018-05-16 | 2018-10-09 | 内江师范学院 | 一种氮掺杂的碳-铈复合纳米片的制备方法 |
Non-Patent Citations (1)
Title |
---|
Electronic and Morphological Dual Modulation of Cobalt Carbonate Hydroxides by Mn Doping toward Highly Efficient and Stable Bifunctional Electrocatalysts for Overall Water Splitting;Tang Tang et al.;《JACS》;20170523;第8321页第2.2节和第8326页第4部分结论 * |
Also Published As
Publication number | Publication date |
---|---|
CN110433816A (zh) | 2019-11-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110433816B (zh) | 一种负载型钴掺杂的二氧化铈纳米片的制备方法 | |
US20200148548A1 (en) | Method for prepareing copper-nickel cobaltate nanowire and application thereof | |
Zhang et al. | Morphology-controlled fabrication of Co3O4 nanostructures and their comparative catalytic activity for oxygen evolution reaction | |
CN111129468B (zh) | 一种一维金属氧化物/碳化物复合材料及其制备方法 | |
CN111041517B (zh) | 一种二维铋烯纳米片的制备方法及其应用 | |
CN111036247B (zh) | 一种钴铁氧化物-磷酸钴电催化析氧复合材料及其制备方法和应用 | |
CN107308959A (zh) | Cu2‑xSe纳米片列阵@泡沫铜复合材料、制备方法及应用 | |
CN108588751B (zh) | 氧族钴基催化剂、制备方法及电催化析氧应用 | |
CN109665525B (zh) | 一种“哑铃型”铁氮双掺杂多孔碳的制备方法 | |
CN110152664B (zh) | 一种一维氧化亚铜/碳纳米复合催化剂的制备方法及应用 | |
Ma et al. | Control of CuO nanocrystal morphology from ultrathin “willow-leaf” to “flower-shaped” for increased hydrazine oxidation activity | |
CN110745784B (zh) | 一种金属氧化物纳米颗粒及其制备方法和应用 | |
CN111105935B (zh) | 一种一维金属氧化物/碳化物复合材料及其制备方法 | |
Yuan et al. | Engineering well-defined rare earth oxide-based nanostructures for catalyzing C1 chemical reactions | |
CN112354549A (zh) | 一种金属复合物多孔纳米片制备方法 | |
CN110180523A (zh) | 一种非金属多孔碳纳米催化剂及其制备方法 | |
CN112593254B (zh) | 一种氮/硫共掺杂碳支撑铁单原子的催化剂及其制备方法和应用 | |
CN114855210B (zh) | 一种熔融盐法原位合成碳基单原子纳米片及其制备方法和应用 | |
Miao et al. | One-dimensional cobalt oxide nanotubes with rich defect for oxygen evolution reaction | |
CN114377691B (zh) | 一种甜甜圈状空心多孔Pt-Ni纳米粒子负载氧化钛材料及其制备方法 | |
CN114395769B (zh) | 一种负载型铜催化剂及其制备方法和应用 | |
CN113046765B (zh) | 一种泡沫镍负载Fe2O3@Ni3S2复合结构OER电催化剂的制备方法 | |
CN113546642B (zh) | 纳米Ag修饰海胆状多孔碱式碳酸钴复合材料及其制法 | |
CN114082972A (zh) | 一种绿色制备Rh超薄纳米片及低结晶度纳米粒子的方法 | |
CN115475641A (zh) | 一种金属原子锚定的硼氮共掺杂碳材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |