Electrically Tunable Nanoporous Carbon Hybrid Actuators

IMR OpenIR

	Electrically Tunable Nanoporous Carbon Hybrid Actuators
	L. H. Shao; J. Biener; H. J. Jin; M. M. Biener; T. F. Baumann; J. Weissmuller
	2012
发表期刊	Advanced Functional Materials
ISSN	1616-301X
卷号	22 期号:14 页码:3029-3034
摘要	A novel nanoporous carbon/electrolyte hybrid material is reported for use in actuation. The nanoporous carbon matrix provides a 3D network that combines mechanical strength, light weight, and low cost with an extremely high surface area. In contrast to lower dimensional nanomaterials, the nanoporous carbon matrix can be prepared in the form of macroscopic monolithic samples that can be loaded in compression. The hybrid material is formed by infiltrating the free internal pore volume of the carbon with an electrolyte. Actuation is prompted by polarizing the internal interfaces via an applied electric bias. It is found that the strain amplitude is proportional to the Brunauer-Emmett-Teller (BET) mass specific surface area, with reversible volume strain amplitudes up to the exceptionally high value of 6.6%. The mass-specific strain energy density compares favorably to reported values for piezoceramics and for nanoporous metal actuators.
部门归属	[shao, li-hua; weissmueller, joerg] tech univ hamburg, inst werkstoffphys & werkstofftechnol, hamburg, germany. [shao, li-hua; jin, hai-jun] karlsruher inst technol, inst nanotechnol, karlsruhe, germany. [biener, juergen; biener, monika m.; baumann, theodore f.] lawrence livermore natl lab, livermore, ca usa. [jin, hai-jun] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang, peoples r china. [weissmueller, joerg] helmholtz zentrum geesthacht, inst werkstofforsch, geesthacht, germany.;shao, lh (reprint author), tech univ hamburg, inst werkstoffphys & werkstofftechnol, hamburg, germany.;lihua.shao@tu-harburg.de
关键词	Nanoporous Carbon Nanostructures Hybrid Materials Actuators Double-layer Dimensional Changes Graphite-electrodes Electrochemical Actuator Nanotube Actuators Charge Strain Graphene Stress Gold
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60209
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. H. Shao,J. Biener,H. J. Jin,et al. Electrically Tunable Nanoporous Carbon Hybrid Actuators[J]. Advanced Functional Materials,2012,22(14):3029-3034.
APA	L. H. Shao,J. Biener,H. J. Jin,M. M. Biener,T. F. Baumann,&J. Weissmuller.(2012).Electrically Tunable Nanoporous Carbon Hybrid Actuators.Advanced Functional Materials,22(14),3029-3034.
MLA	L. H. Shao,et al."Electrically Tunable Nanoporous Carbon Hybrid Actuators".Advanced Functional Materials 22.14(2012):3029-3034.