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首页> 外文期刊>Chemical Communications >Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li-O_2 batteries
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Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li-O_2 batteries

机译：碳载TiN纳米颗粒：一种用于非水Li-O_2电池的高效双功能催化剂

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摘要

A Li-O_2 battery with TiN nanoparticles supported on Vulcan XC-72, n-TiN/VC, as the cathode catalyst presented an onset potential for the oxygen evolution reaction (OER) at 2.9 V, contrasting with a mixture of micro-sized TiN and VC (m-TiN/VC), and VC, both at ～3.1 V. The discharge-recharge voltage gap of n-TiN/VC was estimated to be 1.05 V, which is 390 and 450 mV smaller than that of m-TiN/VC and VC, respectively, at 50 mA g_(carbon)~(-1)· These indicate that n-TiN/VC can function as both an active ORR catalyst during discharge and an efficient OER catalyst during recharge.
机译：与Vncan XC-72，n-TiN / VC负载的TiN纳米颗粒作为正极催化剂的Li-O_2电池在2.9V电压下产生了放氧反应（OER）的起始电位，这与微型TiN的混合物形成对比和VC（m-TiN / VC）和VC均为〜3.1V。n-TiN/ VC的充放电电压间隙估计为1.05 V，比m-TiN / VC小390和450 mV。 TiN / VC和VC分别为50 mA g_（carbon）〜（-1）·。这表明n-TiN / VC既可以在放电过程中充当活性ORR催化剂，又可以在充电过程中充当有效的OER催化剂。

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  • 来源
    《Chemical Communications》 |2013年第12期|1175-1177|共3页
  • 作者

    Fujun Li; Ryohji Ohnishi; Yuki Yamada; Jun Kubota; Kazunari Domen; Atsuo Yamada; Haoshen Zhou;

  • 作者单位

    Institute of Energy Technology, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, 305-8568, Japan Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

    Institute of Energy Technology, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, 305-8568, Japan Department of Engineering, The University of Tokyo, Building 5-607, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan;

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  • 入库时间 2022-08-17 13:17:57

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