分别以氧化锡锑(ATO)与活性炭(Vulcan XC-72)为载体,采用化学还原法制备了Pd/ATO及Pd/C催化剂,使用X射线衍射法及循环伏安曲线对催化剂进行了表征,通过线性伏安曲线及计时电流曲线考察了2种催化剂对H2O2电还原反应的催化性能.研究结果表明:Pd/ATO与Pd/C催化剂中Pd粒子的平均粒径分别为2.94 nm和8.27 nm,Pd/ATO催化剂的电化学比表面积更高,E=0.25 V时,Pd/ATO催化剂上H2O2还原反应的电流密度较Pd/C催化剂高约350 mA/mgpd,ATO提升了Pd催化剂的催化活性.
参考文献
| [1] | Hasvold φ;Johansen K H;Mollestad O et al.The alkaline aluminium-hydrogen peroxide power source in the Hugin Ⅱ unmanned underwater vehicle[J].Journal of Power Sources,1999,80(1/2):254-260. |
| [2] | Oistein Hasvold;Nils J. Storkersen;Sissel Forseth .Power sources for autonomous underwater vehicles[J].Journal of Power Sources,2006(2):935-942. |
| [3] | Medeiros M G;Bessette R R;Deschenes C M et al.Magnesium-solution phase catholyte semi-fuel cell for undersea vehicles[J].Journal of Power Sources,2004,136(02):226-231. |
| [4] | Weiqian Yang;Shaohua Yang;Wei Sun;Gongquan Sun;Qin Xin .Nanostructured palladium-silver coated nickel foam cathode for magnesium-hydrogen peroxide fuel cells[J].Electrochimica Acta,2006(1):9-14. |
| [5] | Yang W;Yang S;Sun W et al.Nanostructured silver catalyzed nickel foam cathode for an aluminum-hydrogen peroxide fuel cell[J].Journal of Power Sources,2006,160(02):1420-1424. |
| [6] | 孙丽美,张铖,李慧婷,赵焱.Pd-Ru/Ni（泡沫镍）作为Mg-H2O2半燃料电池阴极的研究[J].贵金属,2011(04):1-5. |
| [7] | Sun, L.;Xu, L.;Zhao, Y.;Wang, Y. .The enhancement effect of phosphomolybdic acid (H_3PMo _(12)O_(40)) on Pd/C catalyst for the electroreduction of hydrogen peroxide[J].Journal of Applied Electrochemistry,2011(12):1385-1388. |
| [8] | 孙丽美,曹殿学,王贵领,吕艳卓,张密林.纳米Pd上H2O2的电催化还原反应[J].物理化学学报,2008(02):323-327. |
| [9] | Daniel N. Prater;John J. Rusek .Energy density of a methanol/hydrogen- peroxide fuel cell[J].Applied Energy,2003(1/2):135-140. |
| [10] | Sung W;Choi J-W .A membraneless microscale fuel cell using non-noble catalysts in alkaline solution[J].Journal of Power Sources,2007,172(01):198-208. |
| [11] | Bewer T;Beckmann T;Dohle H et al.Novel method for investigation of two-phase flow in liquid feed direct methanol fuel cells using an aqueous H2O2 solution[J].Journal of Power Sources,2004,125(01):1-9. |
| [12] | PoncedeLéon C;Walsh F C;Rose A et al.A direct borohydride-acid peroxide fuel cell[J].Journal of Power Sources,2007,164(02):441-448. |
| [13] | Miley G H;Luo N;Mather J et al.Direct NaBH4/H2O2 fuel cells[J].Journal of Power Sources,2007,165(02):509-516. |
| [14] | R.K. Raman;S.K. Prashant;A.K. Shukla .A 28-W portable direct borohydride-hydrogen peroxide fuel-cell stack[J].Journal of Power Sources,2006(2):1073-1076. |
| [15] | G. Selvarani;S.K. Prashant;A.K. Sahu;P. Sridhar;S. Pitchumani;A.K. Shukla .A direct borohydride fuel cell employing Prussian Blue as mediated electron-transfer hydrogen peroxide reduction catalyst[J].Journal of Power Sources,2008(1):86-91. |
| [16] | Park KW;Seol KS .Nb-TiO2 supported Pt cathode catalyst for polymer electrolyte membrane fuel cells[J].Electrochemistry communications,2007(9):2256-2260. |
| [17] | Dae Jong You;Kyungjung Kwon;Chanho Pak .Platinum-antimony tin oxide nanoparticle as cathode catalyst for direct methanol fuel cell[J].Catalysis Today,2009(1/2):15-19. |
| [18] | Lee KS;Park IS;Cho YH;Jung DS;Jung N;Park HY;Sung YE .Electrocatalytic activity and stability of Pt supported on Sb-doped SnO2 nanoparticles for direct alcohol fuel cells[J].Journal of Catalysis,2008(1):143-152. |
| [19] | Chengqiang Pan;Yingzhi Li;Yuehui Ma;Xin Zhao;Qinghua Zhang .Platinum-antimony doped tin oxide nanoparticles supported on carbon black as anode catalysts for direct methanol fuel cells[J].Journal of Power Sources,2011(15):6228-6231. |
| [20] | 杨改秀,陈婷婷,唐亚文,陆天虹.硅钨酸修饰碳载Pd催化剂对甲酸氧化的电催化性能[J].物理化学学报,2009(12):2450-2454. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%