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Energy conversion and ignition of fluffy graphene by flash light

Author

Listed:
  • Liu, Guannan
  • Liu, Dong
  • Zhu, Junwu
  • Wei, Jili
  • Cui, Wei
  • Li, Shuiqing

Abstract

Graphene has been subjected to widespread attention, and its highly extraordinary properties have led to abundant scientific researches. The present study shows that fluffy graphene can ignite in a fairly short time upon exposure to a conventional flash light, even in an extremely low temperature environment. The ignition process is fierce and multi-points are distributed with temperatures as high as 1840K with few residues. This kind of ignition can be attributed to the graphene nanostructure efficiently converting light to heat and causing a large amount of heat to accumulate within a very short flash time with the temperature quickly exceeding the ignition point. It is further demonstrated that graphene can ignite in an environment as low as about −50 °C. When fluffy graphene was added to extremely lean methane/oxygen/nitrogen mixtures, ignition of the mixtures was successfully triggered by flash light. The ignition characteristics make graphene a promising alternative for ignition fields in harsh environment.

Suggested Citation

  • Liu, Guannan & Liu, Dong & Zhu, Junwu & Wei, Jili & Cui, Wei & Li, Shuiqing, 2018. "Energy conversion and ignition of fluffy graphene by flash light," Energy, Elsevier, vol. 144(C), pages 669-678.
  • Handle: RePEc:eee:energy:v:144:y:2018:i:c:p:669-678
    DOI: 10.1016/j.energy.2017.12.062
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    References listed on IDEAS

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    1. Keun Soo Kim & Yue Zhao & Houk Jang & Sang Yoon Lee & Jong Min Kim & Kwang S. Kim & Jong-Hyun Ahn & Philip Kim & Jae-Young Choi & Byung Hee Hong, 2009. "Large-scale pattern growth of graphene films for stretchable transparent electrodes," Nature, Nature, vol. 457(7230), pages 706-710, February.
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