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纳米碳管对MmNi_5合金电化学储氢性能的影响 被引量:1

The effect of carbon nanotubes on the electrochemical hydrogen storage performance of MmNi_5-type alloy
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摘要 通过循环伏安法、计时电位法研究了纳米碳管的添加量对MmNi5合金在碱性溶液中电化学储氢性能的影响。结果表明,添加纳米碳管可以明显改善MmNi5合金电化学储氢性能;当纳米碳管与MmNi5合金的质量比为1∶16.7时,电极的电化学活性最好,电化学储氢量提高达到62.41%。 The electrochemical hydrogen storage performance of MmNi5-type electrodes doped with carbon nanotubes(CNTs) in an alkaline solution was investigated with cyclic voltammetry(CV) and chronopotentiometry(CP). The results showed that the electrochemical hydrogen storage performance of MmNi5-type electrodes doped with CNTs was notably improved. Furthermore, electrochemical activation ability of the electrode with the CNTs and MmNi5 weight ratio of 1 : 16.7 was the most excellent, and the discharging capacity increased to 62.41%.
出处 《电源技术》 CAS CSCD 北大核心 2006年第10期819-821,共3页 Chinese Journal of Power Sources
关键词 纳米碳管 MmNi5合金 电化学储氢 carbon nanotubes MmNi5-type alloy electrochemical hydrogen storage
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参考文献3

  • 1NUTZENADEL C, ZUTTEL A, CHARTOUNI D, et al. Electrochemical storage of hydrogen in nanotube materials[J].Electrochem Solid State Lett, 1992,2(1): 30-32.
  • 2RAJALAKSHMI N, DHATHATHREYAN K S, GOVINDARAJ A,et al. Electro chemical investigation of single-walled carbon nanotubes for hydrogen storage [J]. Electrochimica Acta, 2000,45:4 511-4 515.
  • 3DAI G P, L1U M, CHENG H M,et al.Electro-chemical charge-discharge capacity of purified single-walled carbon materials[J]. Electrochem Solid-State Lett, 2002,5: E1 3-E15.

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