CN108654658B - 一种高效水分解双功能电催化剂NiCoP及其制备方法 - Google Patents
一种高效水分解双功能电催化剂NiCoP及其制备方法 Download PDFInfo
- Publication number
- CN108654658B CN108654658B CN201810525236.5A CN201810525236A CN108654658B CN 108654658 B CN108654658 B CN 108654658B CN 201810525236 A CN201810525236 A CN 201810525236A CN 108654658 B CN108654658 B CN 108654658B
- Authority
- CN
- China
- Prior art keywords
- nicop
- hydrothermal
- preparation
- electrocatalyst
- foam nickel
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000010411 electrocatalyst Substances 0.000 title claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002243 precursor Substances 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000001588 bifunctional effect Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 42
- 229910052759 nickel Inorganic materials 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 229910003266 NiCo Inorganic materials 0.000 claims description 11
- -1 salt compound Chemical class 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 244000137852 Petrea volubilis Species 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910001429 cobalt ion Inorganic materials 0.000 claims description 2
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910001453 nickel ion Inorganic materials 0.000 claims description 2
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000001257 hydrogen Substances 0.000 abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 10
- 239000003054 catalyst Substances 0.000 abstract description 8
- 229910000510 noble metal Inorganic materials 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002070 nanowire Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- XBKRAMUPLIAFRW-UHFFFAOYSA-N [Ru]=O.[Ni] Chemical compound [Ru]=O.[Ni] XBKRAMUPLIAFRW-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 238000001453 impedance spectrum Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004729 solvothermal method Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/185—Phosphorus; Compounds thereof with iron group metals or platinum group metals
- B01J27/1853—Phosphorus; Compounds thereof with iron group metals or platinum group metals with iron, cobalt or nickel
-
- 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
-
- 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)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
一种高效水分解双功能电催化剂NiCoP及其制备方法,属于能源转化材料制备技术领域。首先获得具有高活性表面积和合适化学组成的Ni/Co前驱体,在此基础上,以次磷酸盐作为磷源对前驱体进行磷化。研究发现该催化剂具有高效的双功能电催化活性。在碱性条件下,其产氢和产氧所需要的过电势(10mA cm‑2)分别为27mV和144mV,其性能超过大多数报道的双功能电催化剂。同时,本发明所涉及的制备工艺简单,原材料丰富便宜,可替代昂贵且稀缺的贵金属基催化剂,促进电化学全水分解的商业化应用。
Description
技术领域
本发明属于能源转化材料制备技术领域,提供了一种水分解双功能电催化剂NiCoP及其制备方法。
背景技术
随着社会发展、环境恶化以及化石能源减少,人们急需寻找一种可替代的清洁能源。氢气作为一种清洁能源可由电解水得到,地球上水资源丰富,电解水制氢拥有广阔的应用前景。但目前电解水最有效的催化剂为贵金属Pt,其价格和地球储量限制了大规模工业应用,研发非贵金属高效水分解电催化剂成为促进电化学水分解的商业化应用关键问题。
在诸多催化剂中,过渡金属磷化物是综合性能佳、应用前景广泛的水分解电催化剂。但目前所报道的大多数非贵金属电催化剂性能与贵金属基的相比,仍存在较大差距。主要原因是导电性低、活性表面积受限以及长期稳定性差等问题限制了其优异潜能的发挥。合金化过程是一种有效的方法去探索多相催化剂潜在的功能以及协调它们的表面特性,如电子结构、协同耦合效应和润湿性等,从而实现高效率。如申请号为201210317513.6的专利公开了一种高效Ni-Mo-P/Ni析氢电极制备方法,其方法主要是通过脉冲电沉积在预处理的镍片表面施镀,将P掺杂进Ni-Mo镀层中,形成具有产氢能力优良、镀层均匀以及介于晶态和非晶态结构之间的Ni-Mo-P纳米晶结构镀层;所制备的镀层同样也具有良好的稳定性。但其不足之处在于,所制备的镀层比表面积过小,从而导致持续性不佳,用一段时间后就会造成性能方面的下降。申请号为201410133843.9的专利公开了一种高性能镍基含钌复合氧化物析氢电极的制备方法,其主要是采用溶剂热合成方法,在泡沫镍基底上原位生长镍钌氧化物纳米棒,获得的电极比表面积大,与基底结合牢固,活性位点多及催化活性强,具有优良的析氢性能和较高的稳定性,但其不足之处在于,所制备的产品毒性较大,且容易污染环境。申请号为201610296319.2的专利公开了一种NiCoP纳米线电催化电极的制备方法,其主要是采用水热法在泡沫镍基底上生长出NiCo盐化合物纳米线前驱体,然后进行磷化,获得高比表面积和良好导电性的NiCoP纳米线电催化电极。但其不足之处在于,磷化过程复杂,且所制备的产品析氢性能与贵金属Pt相比还存在较大差距。
此外,水分解反应过程中,除了析氢反应,还存在另外一半反应产氧反应,而该反应的发生通常要用贵金属的氧化物如RuO2、IrO2做催化剂,增大水分解技术成本,且由于目前水分解技术采用不同的阴、阳极电催化材料,操作不便,限制了大规模水分解技术工业应用。
发明内容
本发明旨在提供一种高效水分解双功能电催化剂NiCoP及其制备方法。为了实现发明目的,本发明采用的技术方案如下:
(1)基底预处理
将泡沫镍砂纸打磨后,分别用盐酸和去离子水超声波清洗,以去除泡沫镍表面氧化物和杂质;
(2)水热法制备NiCo盐化合物前驱体
将处理后的泡沫镍片,以45°角倾斜放置于含有镍离子和钴离子的水热溶液中,并置于高压反应釜中密封烘烤,洗涤干燥后即得具有高活性表面积的蓬松纳米海草状NiCo盐化合物前驱体;
其中水热溶液组成每28~32mL去离子水对应六水合硝酸镍0.13~0.16g,六水合硝酸钴0.27~0.29g,尿素0.087~0.089g;
工艺参数优选:水热温度120℃,水热时间8~24h;
(3)NiCo盐化合物前驱体的磷化处理
将所获得的NiCo盐化合物前驱体放入水热溶液中进行磷化处理;
其中磷化过程的水热溶液组成每28~32mL去离子水对应次亚磷酸钠2.542~2.546g;
工艺参数优选:水热温度160℃,水热时间8h;
(4)干燥
将磷化处理后的试样放置于烘箱中干燥,获得NiCoP电催化剂。
工艺参数优选:干燥温度60℃,干燥时间16h;
本发明的创新之处在于:(1)调整泡沫镍基体在水热溶液中的放置角度,以45°角倾斜放置并结合水热时间调控,可形成具有高活性表面积的蓬松纳米海草状Ni/Co前躯体;(2)使用水热法可引入大量的小分子磷,达到调整催化剂的表面结构及电子耦合效应目的,从而提高催化剂效率。(3)用于水分解具有双功能析氢、析氧。
附图说明
图1实例1的SEM图;(A)为实例1NiCo盐化合物前驱体的SEM图,(B)为前驱体磷化后所得NiCoP电催化极材料的SEM图。
图2实例2的SEM图;(A)为实例2NiCo盐化合物前驱体的SEM图;(B)为前驱体磷化后所得NiCoP电催化极材料的SEM图。
图3实例3的SEM图;(A)为实例3NiCo盐化合物前驱体的SEM图,(B)为前驱体磷化后所得NiCoP电催化极材料的SEM图。
图4为所有实例的HER极化曲线;
图5为所有实例的OER极化曲线;
图6为所有实例的阻抗谱图
具体实施方式
下面结合实施例对本发明做进一步说明,但本发明并不限于以下实施例。
实例1:按表1中前驱体的水热溶液和磷化水热溶液的组成配制,前驱体水热时间为8h,然后按照上述工艺步骤制备样品。
表1具体实施条件
实例2:按表2中前驱体的水热溶液和磷化水热溶液的组成配制,调节前驱体水热时间为16h,然后按照上述工艺步骤制备样品。
表2具体实施条件
实例3:按表3中前驱体的水热溶液和磷化水热溶液的组成配制,调节前驱体水热时间为24h,然后按照上述工艺步骤制备样品。
表3具体实施条件
表4所有实例相应的塔菲尔斜率和电流密度为10mA cm-2时的过电位
Claims (4)
1.一种高效水分解双功能电催化剂NiCoP的制备方法,其特征在于,包括以下步骤:
(1)基底预处理
将泡沫镍砂纸打磨后,分别用盐酸和去离子水超声波清洗,以去除泡沫镍表面氧化物和杂质;
(2)水热法制备NiCo盐化合物前驱体
将处理后的泡沫镍片,以45° 角倾斜放置于含有镍离子和钴离子的水热溶液中,并置于高压反应釜中密封烘烤,洗涤干燥后即得具有高活性表面积的蓬松纳米海草状NiCo盐化合物前驱体;
其中水热溶液组成每28~32mL去离子水对应六水合硝酸镍0.13~0.16g,六水合硝酸钴0.27~0.29g,尿素0.087~0.089g;
(3)NiCo盐化合物前驱体的磷化处理
将所获得的NiCo盐化合物前驱体放入水热溶液中进行磷化处理;
其中磷化过程的水热溶液组成每28~32mL去离子水对应次亚磷酸钠2.542~2.546g;
(4)干燥
将磷化处理后的试样放置于烘箱中干燥,获得NiCoP电催化剂;
步骤(2)工艺参数:水热温度120℃,水热时间16~24h。
2.按照权利要求1所述的一种高效水分解双功能电催化剂NiCoP的制备方法,其特征在于,步骤(3)工艺参数:水热温度160℃,水热时间8h。
3.按照权利要求1所述的一种高效水分解双功能电催化剂NiCoP的制备方法,其特征在于,步骤(4)工艺参数:干燥温度60℃,干燥时间16h。
4.按照权利要求1-3任一项所述的方法制备得到的高效水分解双功能电催化剂NiCoP。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810525236.5A CN108654658B (zh) | 2018-05-28 | 2018-05-28 | 一种高效水分解双功能电催化剂NiCoP及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810525236.5A CN108654658B (zh) | 2018-05-28 | 2018-05-28 | 一种高效水分解双功能电催化剂NiCoP及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108654658A CN108654658A (zh) | 2018-10-16 |
CN108654658B true CN108654658B (zh) | 2021-09-10 |
Family
ID=63776489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810525236.5A Active CN108654658B (zh) | 2018-05-28 | 2018-05-28 | 一种高效水分解双功能电催化剂NiCoP及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108654658B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110257859B (zh) * | 2019-06-28 | 2021-02-02 | 青岛科技大学 | 一种Co2P/Ni2P/Al2O3/NF多级结构复合电极及其制备方法 |
CN110639566B (zh) * | 2019-09-23 | 2020-08-04 | 中国石油大学(北京) | 一种全解水催化剂及其制备方法与应用 |
CN110711596B (zh) * | 2019-10-24 | 2020-11-10 | 江西理工大学 | 一种高效全解水电催化剂IPBAP/Ni2P@MoOx/NF及其制备方法 |
CN112206793B (zh) * | 2020-09-28 | 2023-05-19 | 沈阳理工大学 | 一种制备非贵金属磷化物催化剂的方法 |
CN113201752B (zh) * | 2021-03-30 | 2023-01-24 | 北京化工大学 | 一种异质结丰富的CoNiP-P纳米催化剂的制备方法及其应用 |
CN113249739B (zh) * | 2021-06-04 | 2022-07-15 | 中国科学技术大学 | 金属磷化物负载的单原子催化剂及其制备方法和作为析氢反应电催化剂的应用 |
CN113684497A (zh) * | 2021-08-19 | 2021-11-23 | 武汉工程大学 | 一种泡沫铜负载镍钼磷基复合材料及其制备方法与应用 |
CN115466979B (zh) * | 2022-09-09 | 2024-04-12 | 上海科技大学 | 一种用于高效电解水析氢的镍钴磷电催化剂的制备方法 |
CN115928102B (zh) * | 2022-12-26 | 2023-11-21 | 南京理工大学 | 铁掺杂磷化镍钴与三氧化钼复合的电解水双功能催化剂及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105951123A (zh) * | 2016-05-06 | 2016-09-21 | 湖北大学 | 一种NiCoP纳米线电催化电极的制备方法 |
-
2018
- 2018-05-28 CN CN201810525236.5A patent/CN108654658B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105951123A (zh) * | 2016-05-06 | 2016-09-21 | 湖北大学 | 一种NiCoP纳米线电催化电极的制备方法 |
Non-Patent Citations (1)
Title |
---|
NickeleCobalt phosphide nanowires supported on Ni foam as a highly efficient catalyst for electrochemical hydrogen evolution reaction;Tao Liu等;《i n t e rna t i onal journal of hydrogen energy》;20170508;第42卷;第1 4 1 2 4-1 4 1 3 2页 * |
Also Published As
Publication number | Publication date |
---|---|
CN108654658A (zh) | 2018-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108654658B (zh) | 一种高效水分解双功能电催化剂NiCoP及其制备方法 | |
CN108716008B (zh) | 三维镍铁层状双氢氧化物阵列及其室温制备方法与应用 | |
Cao et al. | Hierarchical NiMo alloy microtubes on nickel foam as an efficient electrocatalyst for hydrogen evolution reaction | |
CN113430553B (zh) | 基于过渡金属异质层状结构双功能催化电极及制备方法 | |
CN107081163B (zh) | 一种三维结构的NiWP电催化剂材料制备及应用 | |
CN110280249B (zh) | 一种非贵金属NiCoFe/NF电催化剂的制备方法及其氧气析出应用 | |
CN103924260A (zh) | 一种三维泡沫镍负载铜和钴的复合析氢电极及其制备方法 | |
CN109277110B (zh) | 一种不规则球状的V掺杂的Ni3S2/NF析氧电催化剂及其制备方法 | |
CN112080759B (zh) | 一种用于电催化氧化尿素的铋掺杂双金属硫化物电极的制备方法 | |
CN113522308B (zh) | 一种高熵合金催化剂及其制备方法和应用 | |
CN113789543B (zh) | 一种三维分层纳米阵列结构铜基材料及其制备方法和应用 | |
CN112121828A (zh) | 电沉积法制备水滑石基三维核壳异质纳米阵列水氧化电催化剂 | |
CN109112566B (zh) | 用于电解水析氧反应的微量铁(iii)离子掺杂的二硫化三镍催化剂 | |
CN113957455A (zh) | 一种电解水析氧催化剂FeCoNi LDH/CuO/Cu及其制备方法 | |
CN110565113B (zh) | 一种用于碱性电催化析氢的复合电催化材料的制备方法 | |
CN113637986B (zh) | 双相硒化镍双功能电解水催化剂及其制备方法和应用 | |
CN113005476A (zh) | 一种氢氧化镍/镍电极的制备方法及其应用 | |
CN110408947B (zh) | 一种复合氧化银的镍钴氧化物电极材料及其制备方法与应用 | |
CN114289043A (zh) | 一种自支撑多孔纳米板钴镍磷化物催化剂制备方法及应用 | |
Wang et al. | Development of copper foam-based composite catalysts for electrolysis of water and beyond | |
CN113430558B (zh) | 一种异质结构的双功能自支撑电极及其制备方法和应用 | |
CN112501645B (zh) | 一种氢氧化镍/镍网复合析氢析氧电极、制备方法及其应用 | |
CN114808014A (zh) | 一种新型多层金属氢氧化物电催化剂、制备方法及其应用 | |
CN110227467B (zh) | 一种三层同轴产氧电催化剂及其制备方法 | |
CN113529133B (zh) | 一种自支撑型双功能催化电极的制备方法 |
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 |