Microstructure Control of RF and Carbon Aerogels Prepared by Sol-Gel Process
Source abstract
Abstract
Carbon aerogels derived from an organic sol-gel process and supercritical drying are novel porous materials with interconnected structures and high electrical conductivity, which are considered to be ideal electrode materials for supercapacitors and rechargeable batteries. In this paper we report resorcinol-formaldehyde (RF) aerogels that have been prepared with high RC ratio (molar ratio of resorcinol to catalyst) by sol-gel process and drying at ambient conditions. Carbon aerogels were obtained by pyrolysis of the RF aerogels. The microstructure of the porous carbon aerogels was investigated by scanning electron microscopy. The specific surface area and pore size distribution of RF and carbon aerogels were studied by nitrogen adsorption-desorption analysis.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aerogels and thermal insulation · Supercapacitor Materials and Fabrication · Mesoporous Materials and Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (20)
Show source-provided references
1. J.A.F. MacDonald and D.F. Quinn, J. Porous Materials 1, 43 (1995).10.1007/BF00486523 ↗
2. T. Okabe, K. Saito, and K. Hokkirigawa, J. Porous Materials 2, 207 (1996).10.1007/BF00488110 ↗
3. R.W. Pekala, C.T. Alviso, F.M. Kong, and S.S. Hulsey, J. Non-Cryst. Solids 145, 90 (1992).10.1016/S0022-3093(05)80436-3 ↗
4. X. Lu, O. Nilsson, J. Fricke, and R.W. Pekala, J. Appl. Phys. 73, 581 (1993).10.1063/1.353367 ↗
5. S.Q. Zhang, J. Wang, J. Shen, Z.S. Deng, Z.Q. Lai, B. Zhou, S.M. Attia, and L.Y. Chen, NanoStructured Materials 11, 375 (1999).10.1016/S0965-9773(99)00054-9 ↗
6. J. Wang, S.Q. Zhang, J. Shen, Y.Z. Guo, S.M. Attia, B. Zhou, and Z.Q. Lai, Journal of Porous Materials 8, 167–170 (2001).10.1023/A:1009611329483 ↗
7. J. Wang, S.Q. Zhang, Y.Z. Guo, J. Shen, S.M. Attia, B. Zhou, Z.Q. Lai, and G.Z. Zheng, Journal of Electrochemical Society, 148(6), D75–D77 (2001).10.1149/1.1368104 ↗
8. R.W. Pekala and F.M. Kong, J. Phys. (Paris) Collog. C4, 33 (1989).
9. R.W. Pekala, J. Materials Science 24, 3221 (1989).10.1007/BF01139044 ↗
10. R.W. Pekala, C.T. Alviso, Mat. Res. Soc. Symp. Proc. 270, 3 (1992).10.1557/PROC-270-3 ↗
11. G.A.M. Reynolds, A.W.P. Fung, Z.H. Wang, M.S. Dresselhaus, and P.W. Pekala, J. Non-Cryst. Solids 188, 27 (1995).10.1016/0022-3093(95)00029-1 ↗
12. S.T. Mayer, P.W. Pekala, and J.L. Kaschmitter, J. Electrochem. Soc. 140, 446 (1993).10.1149/1.2221066 ↗
13. R. Saliger, U. Fischer, C. Herta, and J. Fricke, J. Non-Cryst. Solids 225, 81 (1998).10.1016/S0022-3093(98)00104-5 ↗
14. U. Fischer, R. Saliger, V. Bock, R. Petricevic, and J. Fricke, J. Porous Materials 4, 281 (1997).10.1023/A:1009629423578 ↗
15. R. Petricevic, G. Reichenauer, V. Bock, A. Emmerling, and J. Fricke, J. Non-Cryst. Solids 225, 41 (1998).10.1016/S0022-3093(98)00006-4 ↗
16. V. Bock, A. Emmerling, R. Saliger and J. Fricke, J. Porous Materials 4, 287 (1997).10.1023/A:1009681407649 ↗
17. R.W. Pekala, C.J. Farmer, C.T. Alviso, T.D. Tran, S.T. Mayer, J.M. Miller, and B. Dunn, J. Non-Cryst. Solids 225, 74 (1998).10.1016/S0022-3093(98)00011-8 ↗
18. J. Yan and Q.Y. Zhang, Adsorption and Desorption (Beijing Science Press, 1979), p. 96.
19. J.M. Yan, Q.Y. Zhang, and J.C. Gao, Adsorption and Coacervation (The second edition), (Beijing Science Press, 1986), p. 115.
20. X.C. Fu, W.X. Shen, and T.Y. Yao, Physics Chemistry (Higher Education Press, 1990), p. 937.