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1.Specifically, 0.6g of PAN was dissolved in ¡«10ml NMP to form a homogeneous solution. Graphite (¡«1.05 g), Si (¡«0.35 g), and the PAN solution were batched in a vial inside an argon filled glove box in order to prevent oxidation of the reactive components during milling. 2.In order to decompose PAN to form PAN-based carbon (PAN-C), the mechanically milled powders were annealed isothermally at 1073K for 4 h in an ultrahigh purity argon (UHP-Ar) atmosphere using a heating rate of 10 Kmin−1 and a flow rate of 100mLmin−1. 3.In order to understand the effect of PAN on the phase formation and the ensuing electrochemical properties, milling has also been performed on graphite and Si of nominal composition C¨C25 wt.% Si in the absence of PAN using similar milling conditions. |
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longhua7085
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 1
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- ½ð±Ò: 17818
- ºì»¨: 3
- Ìû×Ó: 2205
- ÔÚÏß: 138.1Сʱ
- ³æºÅ: 724499
- ×¢²á: 2009-03-17
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×ÓÎïÀíÓë¸ß·Ö×ÓÎïÀí»¯
¡ï ¡ï ¡ï
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:17
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:17
| ¾ßÌ嵨£¬0.6gPANÈܽâÔÚÔ¼10mlNMPÖÐÐγɾùÏàÈÜÒº¡£Ê¯Ä«£¨¡«1.05 g£©£¬Si(¡«0.35 g)ºÍPANÈÜÒº·ÖÅú¼ÓÈëë²ÆøÌî³äÊÖÌ×ÏäÖеÄСƿÄÚ£¬ÒÔ·À·´Ó¦×é·ÖÔÚÑÐĥʱ±»Ñõ»¯¡£ |
2Â¥2009-05-24 10:02:35
longhua7085
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 1
- Ó¦Öú: 20 (СѧÉú)
- ½ð±Ò: 17818
- ºì»¨: 3
- Ìû×Ó: 2205
- ÔÚÏß: 138.1Сʱ
- ³æºÅ: 724499
- ×¢²á: 2009-03-17
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×ÓÎïÀíÓë¸ß·Ö×ÓÎïÀí»¯
¡ï ¡ï ¡ï
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:18
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:18
|
In order to decompose PAN to form PAN-based carbon (PAN-C), the mechanically milled powders were annealed isothermally at 1073K for 4 h in an ultrahigh purity argon (UHP-Ar) atmosphere using a heating rate of 10 Kmin−1 and a flow rate of 100mLmin−1. ΪÁ˽«PAN´ÓPAN»ù̼ÉϷֽ⣬»úеÇòÄ¥·ÛÄ©ÔÚ³¬¸ß´¿¶Èë²Æø·ÕΧÏÂÓÚ1073KµÈÎÂÍË»ð´¦Àí4h£¬ÉýÎÂËÙÂÊ10K/min£¬Á÷ËÙ100ml/min. |
3Â¥2009-05-24 10:07:47
longhua7085
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 1
- Ó¦Öú: 20 (СѧÉú)
- ½ð±Ò: 17818
- ºì»¨: 3
- Ìû×Ó: 2205
- ÔÚÏß: 138.1Сʱ
- ³æºÅ: 724499
- ×¢²á: 2009-03-17
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×ÓÎïÀíÓë¸ß·Ö×ÓÎïÀí»¯
¡ï ¡ï ¡ï
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:18
nandhutu(½ð±Ò+3,VIP+0): 5-24 15:18
|
In order to understand the effect of PAN on the phase formation and the ensuing electrochemical properties, milling has also been performed on graphite and Si of nominal composition C¨C25 wt.% Si in the absence of PAN using similar milling conditions. ΪÁËÁ˽âPANÔÚÏàÐγɺÍËæºóµÄµç»¯Ñ§ÐÔÄÜÉϵÄÓ°Ï죬ÔÚÏàͬµÄÑÐÄ¥Ìõ¼þϲ»¼ÓÈëPAN£¬Ê¯Ä«ºÍ¹èµÄ¹«³Æ³É·ÖΪC¨C25 wt.% Si£¬ÕâÑùµÄÑÐÄ¥ÊÔÑéÒ²ÒÑÍê³É¡£ |
4Â¥2009-05-24 10:13:41














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