Development of an All Solid State Battery Incorporating Graphene Oxide as Proton Conductor
Development of an All Solid State Battery Incorporating Graphene Oxide as Proton Conductor
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DOI：
10.1002/gch2.201700054
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发表时间：
2017-09-16
影响因子：
4.9
通讯作者：
Hayami, Shinya
中科院分区：
文献类型：
--
作者：
Shudo, Yuta;Islam, Md. Saidul;Hayami, Shinya
氧化石墨烯（GO）具有较高的质子电导率（接近或等于10(-4)Scm(-1)）、优异的机械稳定性和电绝缘性能，这使其成为质子传导固态电解质的理想候选者。本文提出了在全固体电池中使用 GO 作为单相固体电解质的前景。电池结构如下：Zn + ZnSO4 中心点 7H(2)O + 石墨（阳极）平行于 GO（电解质）平行于 MnO2 + 石墨（阴极）。循环伏安法证实了其可充电性质。在所采用的实验条件下，在3μA恒流消耗下，电池的放电容量和功率密度分别为360μAh和19.5mW·kg(-1)。 GO基质子导体比其他固体电解质更清洁、更便宜。目前的研究强烈表明，GO可以作为低能量反馈固态电池应用中实用且有益的成分。
Graphene oxide (GO) shows high proton conductivity (similar or equal to 10(-4) Scm(-1)), excellent mechanical stability, and electrical insulation property, which makes it an ideal candidate for use as a proton conducting solid state electrolyte. The prospects of using GO as single phase solid electrolyte in an all solid battery is presented herein. A battery with the cell configuration: Zn + ZnSO4 center dot 7H(2)O + graphite (anode) parallel to GO (electrolyte) parallel to MnO2 + graphite (cathode) is fabricated. Cyclic voltammetry confirms its rechargeable nature. The respective discharge capacity and power density of the cell are 360 mu Ah and 19.5 mW kg(-1) at a constant current drain of 3 mu A under the experimental conditions employed. GO based proton conductors are cleaner and cheaper than other solid electrolytes. The current study strongly suggests that GO can be used as a practical and beneficial component in solid state battery applications with low energy feedback.