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首页> 外文期刊>RSC Advances >Architecture of the CdIn2S4/graphene nano-heterostructure for solar hydrogen production and anode for lithium ion battery
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Architecture of the CdIn2S4/graphene nano-heterostructure for solar hydrogen production and anode for lithium ion battery

机译：用于锂离子电池太阳能氢气生产和阳极的CDIN2S4 /石墨烯纳米异质结构的体系结构

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摘要

The facile single step template free synthesis of hierarchical CdIn2S4/graphene nano-heterostructures with multi-functionality as a photocatalyst for solar hydrogen production and as an anode for lithium ion battery has been demonstrated. The nanopetals of CdIn2S4 are decorated on the graphene which shows extended visible light absorption. Hence, the photocatalytic hydrogen evolution study is performed under solar light. The nano-heterostructure showed excellent photocatalytic activity (4495 mu mol h(-1) per 0.2 g) for hydrogen production. The enhanced photocatalytic activity is attributed to the inhibition of charge carrier recombination due to graphene which acts as an excellent electron collector and transporter. Furthermore, the use of nano-heterostructures as an anode for Li-ion batteries demonstrated very high reversible capacity i.e. 678 mA h g(-1) which on cycling, kept at 608 mA h g(-1) at an applied current of 150 mA g(-1) for 225 cycles and exhibited good rate capability. The excellent Li-storage properties of the nano-heterostructures is associated with the hierarchical flower like structure, high porosity of CdIn2S4 and the fast electron kinetics offered by the graphene support.
机译：已经证明了具有多官能度的分层Cdin2S4 /石墨烯纳米异质结构作为太阳能氢气产生的光催化剂，作为用于锂离子电池的阳极的具有多官能度的分层CDIN2S4 /石墨烯纳米异质结构。 CDIN2S4的纳米型在石墨烯上装饰，显示出延长的可见光吸收。因此，光催化氢进化研究在太阳光下进行。纳米异质结构显示出优异的光催化活性（4495μm/ g），每0.2g / 0.2g）用于氢气产生。增强的光催化活性归因于由于石墨烯而抑制电荷载体重组，其用作优异的电子收集器和转运蛋白。此外，使用纳米异质结构作为锂离子电池的阳极显示出非常高的可逆容量，即在循环上的678 mA Hg（-1），在施加的电流为150mA g处保持在608 mA hg（-1） （-1）225个循环，并表现出良好的速率能力。纳米异质结构的优异锂储存性能与诸如石墨烯载体提供的高孔隙率，CDIN2S4的高孔隙率相关，以及由石墨烯载体提供的快速电子动力学相关。

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  • 来源
    《RSC Advances》 |2016年第41期|共13页
  • 作者

    Mahadadalkar Manjiri A.; Kale Sayali B.; Kalubarme Ramchandra S.; Bhirud Ashwini P.; Ambekar Jalindar D.; Gosavi Suresh W.; Kulkarni Milind V.; Park Chan-Jin; Kale Bharat B.;

  • 作者单位

    Ctr Mat Elect Technol Off Pashan Rd Pune 411008 Maharashtra India;

    Coll Engn MES Mech Engn Dept Wadia Coll Campus Pune 411000 Maharashtra India;

    Chonnam Natl Univ Dept Mat Sci &

    Engn 77 Yongbongro Bukgu Gwangju South Korea;

    Ctr Mat Elect Technol Off Pashan Rd Pune 411008 Maharashtra India;

    Ctr Mat Elect Technol Off Pashan Rd Pune 411008 Maharashtra India;

    Savitribai Phule Pune Univ Dept Phys Pune 411016 Maharashtra India;

    Ctr Mat Elect Technol Off Pashan Rd Pune 411008 Maharashtra India;

    Chonnam Natl Univ Dept Mat Sci &

    Engn 77 Yongbongro Bukgu Gwangju South Korea;

    Ctr Mat Elect Technol Off Pashan Rd Pune 411008 Maharashtra India;

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