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One-step synthesis of highly reduced graphene hydrogels for high power supercapacitor applications

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Academic year: 2021

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Fig. 1c displays the XRD patterns of GO and freeze dried gels. The pattern for GO depicts a relatively sharp peak at 2 q ¼ 12.9   corre-sponding to 7.94 Å of inter-layer spacing indicating high oxidation of the starting material
Fig. 5. (a) Ragone plot showing a comparison of energy and power densities of GH-HD and GH-ED with references from literature based on graphene based materials obtained by various reduction techniques; (b) cyclic stability of GH-HD obtained at high current

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