研究了电沉积制备的非晶态Fe-Mo合金(组成分别为Fe82Mo18 、Fe74Mo26 和Fe71Mo29)电极在30%KOH溶液中,303～343 K的温度范围内的析氢催化性能.三种非晶态合金都显示出较好的催化析氢活性.温度为343 K,析H2电流密度为300 mA/cm2时的析H2过电位为150～157 mV.非晶态Fe82Mo18、Fe74Mo26和Fe71Mo29合金上析H2反应的表观活化能分别为57.18,47.33,102.28 kJ/mol.
参考文献
| [1] | Jaksic M M .Advances in electrocatalysis for hydrogen evolution in the light of the Brewer-Engel valance-bond theory[J].Journal of Molecular Catalysis(China),1986,38:161-202. |
| [2] | Trasatti S.Electrocatalysis of hydrogen evolution:Progress in cathode activation,in "Advances in Electrochemical Science and Engineering"[M].Vol.2 (Edited by H.Gerischer and C.W.Tobias).New York:VCH,1992:1-85. |
| [3] | HOUT J Y;Brossard L .In situ activation of nickel cathodes by sodium molybdate during alkaline water electrolysis at constant current[J].Journal of Applied Electrochemistry,1990,20:281-288. |
| [4] | Brown D E;Mahmood M N;Man M C M et al.Preparation and characterization of low overvoltage transition metal alloy electrocatalysts for hydrogen evolution in alkaline solution[J].Electrochimica Acta,1989,29:1551-1556. |
| [5] | 胡伟康;张允什;宋德瑛 等.非晶态Ni-Mo-Fe合金作电解水析氢反应电极[J].功能材料,1995,26:456-458. |
| [6] | 罗瑾,周静,祖延兵,林仲华.电沉积二氧化钛纳米微粒膜的光电化学性能和表面形貌研究[J].高等学校化学学报,1998(09):1484-1487. |
| [7] | Balej J .Determination of the oxygen and hydrogen overvoltage in concentrated alkali hydroxide solutions[J].International Journal of Hydrogen Energy,1985,10:365-374. |
| [8] | Raj I A;Vasu K I .Transition metal-based cathodes for hydrogen evolution in alkaline solution:elctrocatalysis on nickel-based ternary electrolytic codeposits[J].Journal of Applied Electrochemistry,1992,22:471-477. |
| [9] | Fan C;Piron D L;Paradis P .Hydrogen evolution on electrodeposited nickel-cobalt-molybdenum in alkaline water electrolysis[J].Electrochimica Acta,1994,39:2715-2722. |
| [10] | 程鹏里;李强;段林丽 等.节能析氢电极的研究[J].化学世界,1997,38(11):600-602. |
| [11] | Paseka I;Velicka J .Hydrogen evolution and hydrogen sorption on amorpous amooth Me-P(x) (Me =Ni,Co and Fe-Ni) electrodes[J].Electrochimica Acta,1997(42):237-242. |
| [12] | Correia AN.;Machado SAS. .Hydrogen evolution on electrodeposited Ni and Hg ultramicroelectrodes[J].Electrochimica Acta,1998(3/4):367-373. |
| [13] | 马洁,刘顺诚,江琳才,蒋雄.纳米晶Ni-Mo合金复合镀层中钼含量对析氢反应的影响[J].化学学报,1997(04):363-369. |
| [14] | Hu CC.;Weng CY. .Hydrogen evolving activity on nickel-molybdenum deposits using experimental strategies[J].Journal of Applied Electrochemistry,2000(4):499-506. |
| [15] | 王龙彪,黄清安,张浩,陈永言.含磷的镍基合金对氢析出的电催化活性的研究[J].电镀与涂饰,1999(03):13-17. |
| [16] | Paseka I .Evolution of hydrogen and its sorption on remarkable active amorphous smooth Ni-P(x) electrodes[J].Electrochimica Acta,1995(40):1633-1640. |
| [17] | J. G. Highfield;E. Claude;K. Oguro .Electrocatalytic synergism in Ni/Mo cathodes for hydrogen evolution in acid medium: a new model[J].Electrochimica Acta,1999(16):2805-2814. |
| [18] | 李庆伟,周春晖,蔡晔,葛忠华.非晶态合金催化剂的研究综述[J].化工生产与技术,2001(06):30-33. |
| [19] | Burchardt T;Hansen V;Valand T .Microstructure and catalytic activity towards the hydrogen evolution reaction of electrodeposited NiPx alloys[J].Electrochimica Acta,2001,46:2761-2766. |
| [20] | Jaksic M M .Towards the reversible electrode for hydrogen evolution in industrially important electrochemical processes[J].International Journal of Hydrogen Energy,1986,11:519-532. |
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%