以硅粉和酚醛树脂(PR)为原料,采用包混工艺制备硅/多孔炭核壳结构粉体.研究了酚醛树脂和硅粉含量以及老化温度对硅/酚醛树脂前驱体粉体形成能力的影响,并采用X射线衍射、扫描电镜和能谱等手段对粉体进行表征.研究表明,当PR与乙醇的体积比小于1,Si粉与乙醇的质量比小于2,老化温度在30℃～60℃时可以制备出性能良好的前驱体粉体;硅/多孔炭核壳粉体的炭含量随着前驱体粉体酚醛树脂含量的增加而增加;硅/多孔炭核壳粉体的炭壳由酚醛树脂高温裂解形成的树脂炭构成,炭壳的孔则由树脂裂解过程中释放出的大量气体形成.
参考文献
| [1] | XIAOPING SHUI;D.D.L. CHUNG .High-strength high-surface-area porous carbon made from submicron-diameter carbon filaments[J].Carbon: An International Journal Sponsored by the American Carbon Society,1996(6):811-814. |
| [2] | Yu JS.;Chai GS.;Yoon SB. .Ordered uniform porous carbon by carbonization of sugars[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(9):1442-1446. |
| [3] | Tsutomu Takeichi;Yutaka Yamazaki;Min Zuo;Akihiro Ito;Akihiko Matsumoto;Michio Inagaki .Preparation of porous carbon films by the pyrolysis of poly(urethane-imide) films and their pore characteristics[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(2):257-265. |
| [4] | Nidia C. Gallego;James W. Klett .Carbon foams for thermal management[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(7):1461-1466. |
| [5] | Li FB.;Huang J.;Zou J.;Pan PL.;Yuan GQ. .Preparation and characterization of porous carbon beads and their application in dispersing small metal crystallites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(15):2871-2877. |
| [6] | T.Valdes-Solis;G.Marban;A.B.Fuertes .Preparation of microporous carbon-ceramic cellular monoliths[J].Microporous and Mesoporous Materials,2001(1):113-126. |
| [7] | TANGCH;TANGYP;ZHU J G et al.Design and manufactare of the fuel element for the 10MW high temperature gascooled reactor[J].Nuclear Engineering and Design,2002,218(1-3):91-102. |
| [8] | 何明,刘旋,陈湘彪,康飞宇,沈万慈.树脂碳包覆微晶石墨的制备及其电化学性能[J].电池,2003(05):281-284. |
| [9] | Luhleich H.;Nickel H.;Dias J. .THE COAT-MIX PROCEDURE USING CARBON FILLERS[J].Carbon: An International Journal Sponsored by the American Carbon Society,1997(1):95-102. |
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