CN107138172B - 一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 - Google Patents
一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 Download PDFInfo
- Publication number
- CN107138172B CN107138172B CN201710321837.XA CN201710321837A CN107138172B CN 107138172 B CN107138172 B CN 107138172B CN 201710321837 A CN201710321837 A CN 201710321837A CN 107138172 B CN107138172 B CN 107138172B
- Authority
- CN
- China
- Prior art keywords
- carbon
- catalytic material
- fuel cell
- electrode
- electrode catalytic
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 35
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 title claims abstract description 22
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 title claims abstract description 19
- 239000008103 glucose Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000002135 nanosheet Substances 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 239000002086 nanomaterial Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 8
- 239000002105 nanoparticle Substances 0.000 claims abstract description 8
- 239000002243 precursor Substances 0.000 claims abstract description 8
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003763 carbonization Methods 0.000 claims abstract description 5
- 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 abstract description 3
- 239000000843 powder Substances 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 4
- 238000010000 carbonizing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000003411 electrode reaction Methods 0.000 claims 1
- 239000003575 carbonaceous material Substances 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- 230000009467 reduction Effects 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011865 Pt-based catalyst Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 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
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- B01J27/24—Nitrogen compounds
-
- 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
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
- H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
本发明公布了一种电极催化材料的制备方法,即一种氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的碳材料。将单氰胺(CN2H2)和六水合硝酸钴(Co(NO3)2.6H2O)混合均匀后进行固‑固反应,制得一种膨松的前驱体,再将前驱体进行高温碳化,得到最终的电极催化材料。单氰胺既是碳源,也是氮源。本发明的优点是:将单氰胺在反应中分解产生的气体作为气体模板构建出三维多孔碳结构,这种三维结构促进了质子和电子的传导效率,石墨化的碳增强了其导电性。该制备方法制备工艺简易,该电极的制备工艺具有潜在应用价值。将这种氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的碳材料分别制备成葡萄糖燃料电池阴极和阳极的催化电极,来催化阴阳极电极反应,从而使其自发进行,带动外加负荷对外输出电能。
Description
技术领域
本发明属于利用一种氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的电极催化材料的制备,以及在葡萄糖燃料电池中的应用。
背景技术
最近几十年中,随着全球环境问题日益突出以及能源危机的加剧,寻找高效率、低成本、清洁的能源转换体统成为了人们的迫切需要。由于燃料电池具有能量转换效率高,反应温度低、产物低污染等优点,因而燃料电池极有可能成为解决环境、能源问题的一种途径。[2]而氧还原是燃料电池技术的核心关键,燃料电池阴极氧还原动力学缓慢,这就限制了燃料电池技术的提高。[3]铂以及铂合金是目前性能最好的氧还原催化剂,但铂金属价格昂贵,且稀缺,加上铂催化剂稳定性差,抗甲醇性能差等缺点使得燃料电池的应用进一步受到了限制,这就需要研究出价格低廉的高活性非贵金属或非金属催化剂来代替铂基催化剂。
多孔碳材料具有较高的比表面积、较好的导电性、高的化学稳定性,且杂原子(例如:N,B,P,S等)掺杂纳米结构碳材料,具有突出的氧还原催化活性,尤其是氮掺杂纳米结构碳材料是其中催化活性最好的。近年来碳材料被广泛研究。最近,多孔碳基负载复合纳米结构过度金属(例如:Co,Fe,Ni等)这类材料,由于协同效应使得整体性能大弧度提高,所以这类材料极有可能代替Pt基催化剂,成为最佳商用氧还原催化剂。
为了进一步提高ORR催化材料的性能,我们发明了一种氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的电极催化材料。大量的Co纳米粒子较均一地修饰在碳纳米片表面,Co纳米粒子负载在高导电性的石墨化碳纳米片上,提高了整体材料的导电性和质荷传导率。这种Co, N双参杂的协同效应,很大程度上提高了材料的催化活性和稳定性。且这种Co,N双掺杂三维多孔碳材料,具有较大的比表面积,提高了大量的活性位点,这有利于改善电催化氧还原反应和葡萄糖氧化反应的催化活性,并有着优异的电催化氧还原和葡萄糖氧化 性能。
发明内容
一种电极催化材料的制备方法及其在燃料电池中的应用,所述电极催化材料为多孔氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的电极催化材料,利用单氰胺作为碳和氮源。其制备方法和在燃料电池中的应用包括以下三个步骤:
1)前驱体材料的制备;将2.37g的Co(NO3)2.6H2O和1.15g的CH2N2碾磨10min, 使其充分混合均匀,再将碾磨后所得的粘稠液倒入烧杯中加热至120°C反应5小时。将所得的蓬松固体碾磨成粉末样品待用;
2)Co/N-MC-750材料的制备;将上述所得的前驱体粉末固体至于管式炉中,惰性气体氛围下高温碳化。将蓬松的黑色固体碾磨成粉末,制备成粉末样。
3)葡萄糖燃料电池的应用: Co/N-MC-750催化材料制备成浆液(水, Naion(5%),乙醇的体积比为420:50:30),将制成的浆液按照2mg/cm2涂在用钛丝串好的碳布上,分别放入葡萄糖燃料电池的阴阳极,外串联一个外加负载,用数据采集仪采集外加负载上的电压。(图5)
步骤(1)中采用的是固态的CN2H2, Co(NO3)2.6H2O与CN2H2质量分数分别为99.9%、95%。
步骤(1)中Co(NO3)2.6H2O与CN2H2两者的质量比为5:4。
步骤(2)中惰性气体为Ar气或者N2。
步骤(2)中碳化温度为750℃,碳化时间为5h。
步骤(2)中CN2H2即作为碳源,又作为氮源。
步骤(2)中CN2H2在低温下聚合的聚合物分解出的气体充当模板,从而形成三维结构的多孔碳纳米片。
步骤(3)中浆液的浓度为10mg/ml。
步骤(3)中外加负荷电阻为150Ω。
本发明的优点是:将单氰胺在反应中分解产生的气体作为气体模板构建出三维多孔碳结构,这种三维结构促进了质子和电子的传导效率,石墨化的碳增强了其导电性。这种碳纳米材料对ORR和GOR都具有非常突出的催化性能,且将这种材料分别作为葡萄糖燃料电池的阴阳极催化电极,能使葡萄糖燃料电池阴极和阳极自发进行反应,带动外加负荷对外输电能。该材料的制备方法制备工艺简易,该电极的制备工艺具有潜在应用价值。
附图说明
图1是本发明Co/N-MC-750材料的XRD图。
图2是本发明Co/N-MC-750材料扫描电镜图。
图3是本发明Co/N-MC-750材料与20% Pt/C氧还原性能对比图。
图4是本发明Co/N-MC-750材料对葡萄糖电流响应效果图。
图5是本发明Co/N-MC-750材料组装成葡萄糖燃料电池的实物图
图6是本发明Co/N-MC-750材料组装成葡萄糖燃料的循环图。
具体实施方式
下面结合附图并通过实施例对本发明作进一步说明,但需要说明的是实施例并不构成对本发明要求保护范围的限定。
实施案例
1. 前驱体材料的合成:将2.37g的Co(NO3)2.6H2O和1.15g的CH2N2碾磨10min, 使其充分混合均匀,再将碾磨后所得的粘稠液倒入烧杯中加热至120°C反应5小时。将所得的蓬松固体碾磨成粉末样品待用。
2.Co/N-MC-750材料的合成:将上述所得的前驱体粉末固体至于管式炉中,于Ar气体氛围下,750°C高温下碳化5h。将蓬松的黑色固体碾磨成粉末,制备成Co/N-MC-750粉末样。
3. 将5mg制得的Co/N-MC-750粉末材料溶于乙醇和Nafion的混合水溶液(乙醇、Nafion溶液和去离子水的体积比为1:1:8)制成浆液涂到玻碳电极或旋转圆盘上,在0.1MKOH的溶液中进行电化学氧还原和葡萄氧化测试,测试的氧还原结果与商用20%的Pt/C作比较,结果如图3所示。
4. 上诉所制得的浆液取100ul涂在碳布上,自然晾干后制成葡萄糖燃料电池的电极材料,组装成燃料电池,如图5。
Claims (3)
1.一种电极催化材料的制备方法,所述电极催化材料为多孔氮参杂碳纳米片包覆Co纳米粒子的三维多孔纳米结构的电极催化材料,利用单氰胺作为碳和氮源,包括以下两个步骤:
1)前驱体材料的制备;将2.37g的Co(NO3)2.6H2O和1.15g的CH2N2碾磨10min, 使其充分混合均匀,再将碾磨后所得的粘稠液倒入烧杯中加热至120°C反应5小时;将所得的蓬松固体碾磨成粉末样品待用;
2)Co/N-MC-750材料的制备;将上述所得的前驱体粉末固体至于管式炉中,惰性气体氛围下高温碳化;将蓬松的黑色固体碾磨成粉末,制备成粉末样;
步骤(2)中CN2H2即作为碳源,又作为氮源;步骤(2)中CN2H2在低温下聚合的聚合物分解出的气体充当模板,从而形成三维结构的多孔碳纳米片;步骤(2)中碳化温度为750℃,碳化时间为5h。
2.根据权利要求1所述的一种电极催化材料的制备方法,其特征在于:步骤(1)中采用的是固态的CN2H2, Co(NO3)2.6H2O与CN2H2质量分数分别为99.9%、95%。
3.根据权利要求1所述制备方法制备的电极催化材料,其特征在于:将其分别制备成葡萄糖燃料电池阴极和阳极的催化电极,来催化阴阳极电极反应,能使葡萄糖燃料电池阴极和阳极自发进行反应,带动150Ω的外加负荷,对外输出的最高电流密度可达0.65 mA/cm2。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710321837.XA CN107138172B (zh) | 2017-05-09 | 2017-05-09 | 一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710321837.XA CN107138172B (zh) | 2017-05-09 | 2017-05-09 | 一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107138172A CN107138172A (zh) | 2017-09-08 |
CN107138172B true CN107138172B (zh) | 2020-05-22 |
Family
ID=59776750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710321837.XA Expired - Fee Related CN107138172B (zh) | 2017-05-09 | 2017-05-09 | 一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107138172B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109659567A (zh) * | 2018-11-30 | 2019-04-19 | 天津大学 | 含镍钴氮的糖电池阳极催化剂及制备方法和应用 |
CN109847753B (zh) * | 2019-01-31 | 2021-08-31 | 福州大学 | 一种多孔Co@C纳米材料及其制备方法和应用 |
CN110034304A (zh) * | 2019-06-10 | 2019-07-19 | 郑州轻工业学院 | 一种优化无酶葡萄糖燃料电池利用率的方法 |
CN112952119B (zh) * | 2021-01-29 | 2022-04-15 | 中国地质大学(武汉) | 一种过渡金属掺杂二维碳纳米片及其制备方法和应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945970A (zh) * | 2012-11-09 | 2013-02-27 | 天津工业大学 | 增强直接醇类燃料电池催化剂稳定性和导电性方法 |
CN103183341A (zh) * | 2013-04-02 | 2013-07-03 | 中国矿业大学 | 一种氮掺杂具有空心结构石墨化碳球的可控合成方法 |
CN104282445A (zh) * | 2014-09-02 | 2015-01-14 | 中物院成都科学技术发展中心 | 超级电容器用四氧化三钴氮掺杂碳纳米管复合电极材料及其制备方法 |
CN104659381A (zh) * | 2015-01-15 | 2015-05-27 | 华中科技大学 | 一种复合材料、其制备方法及应用 |
CN105478755A (zh) * | 2016-01-13 | 2016-04-13 | 合肥工业大学 | 一种非金属元素掺杂碳包覆金属纳米粒子磁性复合材料的制备方法 |
CN106207239A (zh) * | 2016-09-26 | 2016-12-07 | 南昌航空大学 | 一种氮掺杂多孔碳的合成方法及其在微生物燃料电池阳极方面的应用 |
-
2017
- 2017-05-09 CN CN201710321837.XA patent/CN107138172B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945970A (zh) * | 2012-11-09 | 2013-02-27 | 天津工业大学 | 增强直接醇类燃料电池催化剂稳定性和导电性方法 |
CN103183341A (zh) * | 2013-04-02 | 2013-07-03 | 中国矿业大学 | 一种氮掺杂具有空心结构石墨化碳球的可控合成方法 |
CN104282445A (zh) * | 2014-09-02 | 2015-01-14 | 中物院成都科学技术发展中心 | 超级电容器用四氧化三钴氮掺杂碳纳米管复合电极材料及其制备方法 |
CN104659381A (zh) * | 2015-01-15 | 2015-05-27 | 华中科技大学 | 一种复合材料、其制备方法及应用 |
CN105478755A (zh) * | 2016-01-13 | 2016-04-13 | 合肥工业大学 | 一种非金属元素掺杂碳包覆金属纳米粒子磁性复合材料的制备方法 |
CN106207239A (zh) * | 2016-09-26 | 2016-12-07 | 南昌航空大学 | 一种氮掺杂多孔碳的合成方法及其在微生物燃料电池阳极方面的应用 |
Also Published As
Publication number | Publication date |
---|---|
CN107138172A (zh) | 2017-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Meng et al. | Fluorination-assisted preparation of self-supporting single-atom Fe-N-doped single-wall carbon nanotube film as bifunctional oxygen electrode for rechargeable Zn-Air batteries | |
Xu et al. | PBA-derived FeCo alloy with core-shell structure embedded in 2D N-doped ultrathin carbon sheets as a bifunctional catalyst for rechargeable Zn-air batteries | |
CN108579788B (zh) | 一种复合型钴钒氮化物纳米线电催化剂及其制备方法和应用 | |
CN109065897B (zh) | 磷掺杂孔状碳包覆四氧化三钴氧还原催化剂及其制备方法和应用 | |
CN110252335B (zh) | 一种碳包覆镍钌纳米材料及其制备方法和应用 | |
Deng et al. | MoO2 modulated electrocatalytic properties of Ni: investigate from hydrogen oxidation reaction to hydrogen evolution reaction | |
Zhou et al. | An effective Pt–CoTe/NC catalyst of bifunctional methanol electrolysis for hydrogen generation | |
Qin et al. | Enhanced electrocatalytic activity and stability of Pd nanoparticles supported on TiO2-modified nitrogen-doped carbon for ethanol oxidation in alkaline media | |
Liu et al. | Preparation and characterization of nanoporous carbon-supported platinum as anode electrocatalyst for direct borohydride fuel cell | |
CN107138172B (zh) | 一种电极催化材料的制备方法及其在葡萄糖燃料电池中的应用 | |
Jia et al. | Understanding the growth of NiSe nanoparticles on reduced graphene oxide as efficient electrocatalysts for methanol oxidation reaction | |
CN103816894B (zh) | 掺杂型石墨烯负载PtRu合金纳米电催化剂及其制备方法 | |
CN113437314B (zh) | 氮掺杂碳负载低含量钌和Co2P纳米粒子的三功能电催化剂及其制备方法和应用 | |
CN113388847B (zh) | 普鲁士蓝类似物衍生的金属硫化物/氮掺杂碳电催化剂及其制备方法和应用 | |
Li et al. | Graphitized carbon nanocages/palladium nanoparticles: Sustainable preparation and electrocatalytic performances towards ethanol oxidation reaction | |
CN102324531A (zh) | 一种碳载CoN燃料电池催化剂及其制备方法和应用 | |
Zhang et al. | Isolated transition metal nanoparticles anchored on N-doped carbon nanotubes as scalable bifunctional electrocatalysts for efficient Zn–air batteries | |
Huang et al. | Ni activated Mo2C nanoparticles supported on stereotaxically-constructed graphene for efficient overall water splitting | |
CN113881965B (zh) | 一种以生物质碳源为模板负载金属纳米颗粒催化剂及其制备方法和应用 | |
Zhao et al. | A novel support of nano titania modified graphitized nanodiamond for Pt electrocatalyst in direct methanol fuel cell | |
Li et al. | MoP-NC nanosphere supported Pt nanoparticles for efficient methanol electrolysis | |
CN109731599B (zh) | 一种2D氧还原催化剂Fe3O4@FeNC纳米片的制备方法 | |
Naik et al. | Electrocatalytic performances of oxygen-deficient titanium dioxide nanosheet coupled palladium nanoparticles for oxygen reduction and hydrogen evolution reactions | |
Lin et al. | Embedding Pt-Ni octahedral nanoparticles in the 3D nitrogen-doped porous graphene for enhanced oxygen reduction activity | |
Li et al. | Developing a high-effective Pt-based phosphating catalyst for direct ethylene glycol fuel cells |
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210509 |
|
CF01 | Termination of patent right due to non-payment of annual fee |