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Three-dimensional (3D) porous Cu with excellent mechanical strength and interconnected pores with a size of ~3μm is prepared by electroless plating and used as the substrate for Sn–Cu alloy electrodes. The charge/discharge test results indicate that the Sn–Cu alloy electrode on 3D porous Cu delivered large high-power specific capacity and excellent cycleability thanks to its porous structure. The...
Nickel oxyhydroxide (NiOOH) as the raw positive electrode materials for alkaline Zn–NiOOH batteries was obtained by chemical oxidation of spherical β-Ni(OH) 2 . The effects of preparation conditions on the oxidation state of Ni in products were systematically investigated by changing the KOH concentration, molar ratio of K 2 S 2 O 8 /β-Ni(OH) 2 , oxidation time...
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