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阿美特克科學(xué)儀器部-普林斯頓及輸力強電化學(xué)

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Carbon-coated graphene–Cr2O3 composites with enhanced electrochemical performances for Li-ion batter

閱讀：3687 發(fā)布時間：2014-08-26
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Graphene-based Cr2O3 composites are prepared and exhibit better electrochemical properties
than free Cr2O3 particles without the graphene. The synthesis procedure consists of the
direct growth of CrOOH on the surface of graphene and the subsequent thermal decomposition
of CrOOH to Cr2O3. Moreover, the electrochemical properties of graphene-based
Cr2O3 are further improved through carbon coating, and two strategies are developed. Interestingly,
the carbon layers pyrolyzed from glucose on CrOOH can separate the particles on
the graphene and limit their growth, while those on Cr2O3 merely cover the particles and
cannot prevent particle aggregation. Consequently, compared to the latter carbon-coated
composite, the former shows further improved electrochemical behavior.

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Carbon-coated graphene–Cr2O3 composites with enhanced electrochemical performances for Li-ion batter

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提供商	阿美特克科學(xué)儀器部-普林斯頓及輸力強電化學(xué)	下載次數(shù)	436次
資料大小	2MB	資料類型	PDF 文件免費下載該資料
資料圖片	--	瀏覽次數(shù)	3687次