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Research on catalysis of sodium-metallochlorophylls in Ni/MH battery

  • Articles/Physical Chemistry
  • Published:
Chinese Science Bulletin

Abstract

The effects of sodium-metallochlorophylls including sodium-iron chlorophyllin, sodium-copper chlorophyllin and sodium-magnesium chlorophyllin on performance of Ni/MH battery were investigated. The results show that sodium-iron chlorophyllin can effectively activate the gases produced during charge in Ni/MH battery, therefore reducing the reduction potential of oxygen and the oxidation potential of hydrogen, and the increased speed of inner pressure of battery is decreased significantly. With the aid of DMol3 software, the activation process of oxygen and hydrogen by sodium- metallochlorophylls was simulated and analyzed. It was found that the catalysis behavior is in agreement with the experimental results, and the activation process also gets a reasonable explanation from the calculated results.

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Authors and Affiliations

  1. Tianjin Institute of Power Sources, Tianjin, 300381, China

    Fang Wang

  2. Chemical Engineering and Environment, Beijing Institute of Technology, Beijing, 100081, China

    Feng Wu & Shi Chen

  3. Department of Chemistry, Tsinghua University, Beijing, 100084, China

    XinPing Qiu

Authors
  1. Fang Wang
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  2. Feng Wu
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  3. Shi Chen
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  4. XinPing Qiu
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Corresponding author

Correspondence to Fang Wang.

Additional information

Supported by the State Key Development Prongram for Basic Research of China (Grant No. 2009CB220100) and National High-tech R & D Program of China (Grant No. 2007AA11A101).

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Wang, F., Wu, F., Chen, S. et al. Research on catalysis of sodium-metallochlorophylls in Ni/MH battery. Chin. Sci. Bull. 54, 3005–3013 (2009). https://doi.org/10.1007/s11434-009-0435-5

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  • DOI: https://doi.org/10.1007/s11434-009-0435-5

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