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ÕâÊÇ·¢±íÔÚÓ¢¹ú»Ê¼Òѧ»á2012Ä껯ѧµÄһƪÎÄÕÂÌâÄ¿£º Porous nanocubic Mn3O4¨CCo3O4 composites and their application as electrochemical supercapacitors£¬½²ÊöÁËÄÉÃ×Á¢·½½á¹¹µÄËÄÑõ»¯ÈýÃ̺ÍËÄÑõ»¯Èýîܸ´ºÏ²ÄÁϵÄÖÆ±¸¼°Æäµç»¯Ñ§ÐÔÄܲâÊÔÒÔ¼°Ò»Ð©±íÕ÷¡£ A simple approach has been developed to fabricate ideal supercapacitors based on porous Mn3O4¨CCo3O4 nanocubic composite electrodes. We can easily obtain porous corner-truncated nanocubic Mn3O4¨CCo3O4 composite nanomaterials without any subsequent complicated workup procedure for the removal of ahard template, seed or by using a soft template. In such a composite, the porous Mn3O4¨CCo3O4 enables afast and reversible redox reaction to improve the specific capacitance. The porous nanocubic Mn3O4¨CCo3O4 composite electrode can effectively transport electrolytes and shorten the ion diffusion path, whichoffers excellent electrochemical performance. These results suggest that such porous Mn3O4¨CCo3O4composite nanocubes are very promising for next generation high-performance supercapacitors. |
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