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We report a comprehensive study on the electrochemical performance of four different Transition Metal Oxides encapsulated inside carbon nanotubes (CNT). Irrespective of the type of oxide-encapsulate, all these samples exhibit superior…

In the present work, different synthesis procedures have been demonstrated to fill carbon nanotubes (CNTs) with $\mathrm{Fe}_{1-x}\mathrm{Ni}_x$ alloy nanoparticles (x = 0.33, 0.5). CNTs act as templates for the encapsulation of magnetic…

Current supercapacitors present several distinct limitations that severely inhibit the efficiency, power, and electrical capacitance of energy storage devices. Supercapacitors present an exciting prospect that has countless applications in…

材料科学 · 物理学 2016-06-03 Sydney Marler

By sequential feeding of catalyst materials, it is revealed that the active growth sites are at the bottom of the carbon nanotubes (CNTs), and that catalyst particles are constantly encapsulated into nanotubes from the bottom. This gives a…

材料科学 · 物理学 2007-07-19 Rong Xiang , Guohua Luo , Weizhong Qian , Qiang Zhang , Yao Wang , Fei Wei , Qi Li , Anyuan Cao

Ability to encapsulate molecules is one of the outstanding features of nanotubes. The encapsulation alters physical and chemical properties of both nanotubes and guest species. The latter normally form a separate phase, exhibiting…

材料科学 · 物理学 2014-07-23 Vitaly Chaban , Oleg Prezhdo

Because of their natural one-dimensional (1D) structure combined with intricate chiral variations, carbon nanotubes (CNTs) exhibit various exceptional physical properties, such as ultrahigh electrical and thermal conductivity, exceptional…

The measured capacitance, modulus and strength of carbon nanotube-polyaniline (CNT-PANI) composite electrodes render them promising candidates for structural energy storage devices. Here, CNT-PANI composite electrodes are manufactured with…

应用物理 · 物理学 2021-06-18 Wei Tan , Joe C. Stallard , Changshin Jo , Michael F. L. De Volder , Norman A. Fleck

Fabrics of continuous fibers of carbon nanotubes (CNTFs) are attractive materials for multifunctional energy storage devices, either as current collector, or as active material. Despite a similar chemical composition,…

应用物理 · 物理学 2020-08-21 Nicola Boaretto , Moumita Rana , Rebeca Marcilla , Juan José Vilatela

High performance nanocomposites require well dispersion and high alignment of the nanometer-sized components, at a high mass or volume fraction as well. However, the road towards such composite structure is severely hindered due to the easy…

材料科学 · 物理学 2015-06-24 Yue Han , Xiaohua Zhang , Xueping Yu , Jingna Zhao , Shan Li , Feng Liu , Peng Gao , Yongyi Zhang , Tong Zhao , Qingwen Li

The electrical conductivity of metallic carbon nanotubes (CNTs) quickly saturates with respect to bias voltage due to scattering from a large population of optical phonons. Decay of these dominant scatterers in pristine CNTs is too slow to…

材料科学 · 物理学 2017-04-05 Andrij Vasylenko , Jamie Wynn , Paulo Medeiros , Andrew J. Morris , Jeremy Sloan , David Quigley

The search for earth abundant, efficient and stable electrocatalysts that can enable the chemical reduction of CO2 to value-added chemicals and fuels at an industrially relevant scale, is a high priority for the development of a global…

In this work we present an ab-initio study of electronic properties of 1 dimensional (1D) core-shell nanostructures made of MS2 (MoS2, WS2) or BN armchair nanotube encapsulated carbon nanotubes (CNT). With local density approximation (LDA)…

材料科学 · 物理学 2017-03-24 Amretashis Sengupta

Silicon is one of the most promising anode materials for Lithium-ion batteries. Silicon endures volume changes upon cycling, which leads to subsequent pulverization and capacity fading. These drawbacks lead to a poor lifespan and hamper the…

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their…

应用物理 · 物理学 2020-08-28 Farhad Daneshvar , Hung-Jue Sue

This article provides an overview of the modeling of the effective thermomechanical properties of the multifunctional carbon nanotube (CNT) reinforced hybrid composites for advanced structural applications. The novel constructional feature…

计算物理 · 物理学 2017-04-13 S. I. Kundalwal

Sorbent materials are a promising alternative to advance hydrogen storage technologies. The general disadvantage is the relatively weak solid-gas interaction and adsorption energy, providing low gravimetric and volumetric capacities and…

材料科学 · 物理学 2022-11-28 Shima Rezaie , David M. J. Smeulders , Azahara Luna-Triguero

We briefly review the status of the application of carbon nanotubes (CNTs) for future interconnects and present results concerning possible integration schemes. Growth of single nanotubes at lithographically defined locations (vias) has…

材料科学 · 物理学 2007-05-23 Franz Kreupl , Andrew P. Graham , Maik Liebau , Georg S. Duesberg , Robert Seidel , Eugen Unger

Chemical functionalization of nanocarbons is an important strategy to produce electrochemical systems with higher energy/power density by generating surface functional groups with additional faradaic contribution, by increasing their…

应用物理 · 物理学 2020-08-13 Evgeny Senokosa , Moumita Ranaa , Cleis Santosa , Rebeca Marcilla , Juan J. Vilatela

The atomistic simulations of carbon nanotube (CNT) - carbon reinforced composite material are reported. The studied composite samples were obtained by impregnating certain amounts of CNTs (3,3) and (6,6) into pristine graphite matrix. The…

材料科学 · 物理学 2011-03-14 Vitaly Chaban

Macroscopic fibers of carbon nanotubes (CNT) have emerged as an ideal architecture to exploit the exceptional properties of CNT building blocks in applications ranging from energy storage to reinforcement in structural composites.…

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