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The Preparation and Electrochemical Performance of Nitrogen- doped Graphene/Co(OH)2 Composite

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Figure

Figure 1. Illustration for the synthesis process of nitrogen-doped graphene/Co(OH)2 composite
Figure 2.  (a, b) TEM of NGE-Co and (c) SEM images of NGE-Co
Figure 3. (a) XRD patterns of NGE-Co and Co(OH)2; (b) Raman spectrum of NGE-Co; (c) XPS survey spectrum; Core-level XPS spectra of NGE-Co for (d) Co 2p3/2, (e) C 1s , and (f) N 1s
Figure 4.  TG curve of NGE-Co
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