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2Â¥: Originally posted by xiejf at 2012-11-09 16:54:45
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3Â¥2012-11-09 17:44:12
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434602804: ½ð±Ò+3, лл¼°Ê±»Ø¸´ 2012-11-09 17:44:25
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Design and Synthesis of MnO2/Mn/MnO2 Sandwich-Structured
Nanotube Arrays with High Supercapacitive Performance for
Electrochemical Energy Storage
4Â¥2012-11-09 17:52:11
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4Â¥: Originally posted by xiejf at 2012-11-09 17:52:11
Design and Synthesis of MnO2/Mn/MnO2 Sandwich-Structured
Nanotube Arrays with High Supercapacitive Performance for
Electrochemical Energy Storage

¿´ÁËÕâÆªnanoletterµÄÎÄÕ£¬ÎÒ¾õµÃËû¼ÆË㹦ÂÊÃܶȵÄÏ൱ÓÐÎÊÌâ°¡£¬Äã¿´ËûµÄ¹«Ê½£¬Èç¹û°ÑC´úÈëenergy density£¬È»ºóÔÙ´úÈëpower density£¬µÃµ½µÄ½á¹ûÊÇpower density=1/2I¨SV¡Âm£¬¾ÍÊǵçÁ÷Ãܶȳ˵çѹ´°¿Ú£¬ÕâºÍ»îÐÔ²ÄÁÏÓиöɶ¹ØÏµ°¡

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where I is the charge/discharge current,w is the mass of the active electrode material

5Â¥2012-11-09 18:53:38
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