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The square rod-like NiS2 with open ends is synthesized by a general solution method without substrate followed by a post annealing treatment. This method involves a rapid self-assembly and a spontaneous aging process controlled by the time of the solution reaction. And the one-step solution-controlled reaction benefits for the convenient fabrication of metal sulfide precursors. The NiS2 with the length...
Hollow spiny shell Ni–Mn precursors composed of one-dimensional nanoneedles were synthesized via a simple hydrothermal method without any template. The hollow Spiny shell Ni–Mn oxides are obtained under thermal treatment at different temperatures. The BET surface areas of Ni–Mn oxides reach up to 112 and 133 m2 g−1 when calcination temperatures occur at 300 and 400 °C, respectively. The electrochemical...
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