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Hard carbon spherules (HCS) were used as support of Pt nanoparticles as electrocatalyst for direct methanol fuel cells (DMFCs). Scanning electron microscopy (SEM) images show that the size of the Pt particles on HCS by reduction of K 2 PtCl 6 with ethylene glycol is 4–5nm. High-resolution transmission electron microscopy (HRTEM) study reveals that the Pt particles on the HCS surface...
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