A hierarchical three-dimensional NiCo2O4 nanowire array/carbon cloth as an air electrode for nonaqueous Li–air batteries

2013 ◽  
Vol 15 (38) ◽  
pp. 15806 ◽  
Author(s):  
Wei-Ming Liu ◽  
Ting-Ting Gao ◽  
Yin Yang ◽  
Qian Sun ◽  
Zheng-Wen Fu
Keyword(s):  
Nanowire Array ◽  
Three Dimensional ◽  
Carbon Cloth ◽  
Air Electrode

scholarly journals Giant Magnetoresistance and Magneto-Thermopower in 3D Interconnected NixFe1−x/Cu Multilayered Nanowire Networks

Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1133
Author(s):  
Nicolas Marchal ◽  
Tristan da Câmara Santa Clara Gomes ◽  
Flavio Abreu Araujo ◽  
Luc Piraux
Keyword(s):  
Giant Magnetoresistance ◽  
Nanowire Array ◽  
Three Dimensional ◽  
Strong Increase ◽  
Thermoelectric Effect ◽  
Heat Management ◽  
Thermoelectric Effects ◽  
Nanowire Network ◽  
Potential Applications ◽  
Nanowire Networks

The versatility of the template-assisted electrodeposition technique to fabricate complex three-dimensional networks made of interconnected nanowires allows one to easily stack ferromagnetic and non-magnetic metallic layers along the nanowire axis. This leads to the fabrication of unique multilayered nanowire network films showing giant magnetoresistance effect in the current-perpendicular-to-plane configuration that can be reliably measured along the macroscopic in-plane direction of the films. Moreover, the system also enables reliable measurements of the analogous magneto-thermoelectric properties of the multilayered nanowire networks. Here, three-dimensional interconnected NixFe1−x/Cu multilayered nanowire networks (with 0.60≤x≤0.97) are fabricated and characterized, leading to large magnetoresistance and magneto-thermopower ratios up to 17% and −25% in Ni80Fe20/Cu, respectively. A strong contrast is observed between the amplitudes of magnetoresistance and magneto-thermoelectric effects depending on the Ni content of the NiFe alloys. In particular, for the highest Ni concentrations, a strong increase in the magneto-thermoelectric effect is observed, more than a factor of 7 larger than the magnetoresistive effect for Ni97Fe3/Cu multilayers. This sharp increase is mainly due to an increase in the spin-dependent Seebeck coefficient from −7 µV/K for the Ni60Fe40/Cu and Ni70Fe30/Cu nanowire arrays to −21 µV/K for the Ni97Fe3/Cu nanowire array. The enhancement of the magneto-thermoelectric effect for multilayered nanowire networks based on dilute Ni alloys is promising for obtaining a flexible magnetic switch for thermoelectric generation for potential applications in heat management or logic devices using thermal energy.

A three-dimensional hierarchical Fe2O3@NiO core/shell nanorod array on carbon cloth: a new class of anode for high-performance lithium-ion batteries

Nanoscale ◽  
2013 ◽  
Vol 5 (17) ◽  
pp. 7906 ◽  
Author(s):  
Qin-qin Xiong ◽  
Jiang-ping Tu ◽  
Xin-hui Xia ◽  
Xu-yang Zhao ◽  
Chang-dong Gu ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
High Performance ◽  
Three Dimensional ◽  
Lithium Ion ◽  
Nanorod Array ◽  
Core Shell ◽  
Carbon Cloth ◽  
New Class

scholarly journals Three-dimensional branched single-crystal β-Co(OH)2 nanowire array and its application for supercapacitor with excellent electrochemical property

Nano Energy ◽  
2014 ◽  
Vol 10 ◽  
pp. 153-162 ◽  
Author(s):  
Dongbo Yu ◽  
Yali Wang ◽  
Lei Zhang ◽  
Ze-Xian Low ◽  
Xinyi Zhang ◽  
...  
Keyword(s):  
Single Crystal ◽  
Electrochemical Property ◽  
Nanowire Array ◽  
Three Dimensional

Flexible Three-Dimensional Heterostructured ZnO-Co3O4 on Carbon Cloth as Free-Standing Anode with Outstanding Li/Na Storage Performance

2018 ◽  
Vol 165 (16) ◽  
pp. A3932-A3942 ◽  
Author(s):  
Huanhui Chen ◽  
Libo Deng ◽  
Shan Luo ◽  
Xiangzhong Ren ◽  
Yongliang Li ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Carbon Cloth ◽  
Free Standing ◽  
Storage Performance

scholarly journals Post-Annealing Effects on the Structure and Semiconductor Performance of Nanocrystalline ZnTe Thin Films Electrodeposited from an Aqueous Solution Containing Citric Acid

2021 ◽  
Vol 11 (22) ◽  
pp. 10632
Author(s):  
Jun Ohta ◽  
Takeshi Ohgai
Keyword(s):  
Thin Films ◽  
Citric Acid ◽  
Single Crystal ◽  
Nanowire Array ◽  
Three Dimensional ◽  
Wavelength Region ◽  
Zinc Telluride ◽  
Equilibrium Potential ◽  
Average Growth ◽  
Annealing Effects

Using the potentiostatic electrodeposition technique, zinc telluride nanocrystalline thin films and an array of nanowires were synthesized in a citric acid bath. Electrodeposited zinc telluride thin films with stoichiometric compositions were obtained at a cathode potential of approximately −0.8 V versus Ag/AgCl, which was in a more noble region compared with the equilibrium potential of zinc. The average thickness of the zinc telluride thin films was approximately 3 μm, and the average growth rate was approximately 3 nm s−1. The as-deposited zinc telluride thin films had an amorphous phase with a black tint. By contrast, the zinc telluride thin films annealed at 683 K had a crystalline phase with a reddish-brown tint. The electrodeposited single-phase zinc telluride exhibited an optical absorption performance in a wavelength region that was shorter than 559 nm. At the annealing temperature of 683 K, the zinc telluride films exhibited an energy band gap of 2.3 eV, which was almost identical to that of single-crystal zinc telluride. The resistivity of the as-deposited amorphous-like zinc telluride thin films was approximately 2 × 105 Ω·m, whereas that of the samples annealed at 683 K was around 2 × 103 Ω·m, which was smaller than that of single-crystal zinc telluride. A three-dimensional nanostructure constructed with the zinc telluride nanowire array was also demonstrated using a template synthesis technique.

A novel free-standing metal organic frameworks-derived cobalt sulfide polyhedron array for shuttle effect suppressive lithium-sulfur batteries

2021 ◽  
Author(s):  
Tianli Han ◽  
Xirong Lin ◽  
Junfei Cai ◽  
Jinjin Li ◽  
Yajun Zhu ◽  
...  
Keyword(s):  
Density Functional ◽  
Three Dimensional ◽  
Temperature Tolerance ◽  
Cobalt Sulfide ◽  
Carbon Cloth ◽  
Free Standing ◽  
Functional Theory ◽  
Shuttle Effect ◽  
Metal Organic ◽  
Lithium Sulfur

Abstract Metal-organic-foams (MOFs)-derived nanostructures have received broad attention for secondary batteries. However, common strategies are focusing on the preparation of dispersive materials, which need complicated steps and some additives for making electrodes of batteries. Here, we develop a novel free-standing Co9S8 polyhedron array derived from ZIF-67, which grows on a three-dimensional carbon cloth for lithium-sulfur (Li-S) battery. The polar Co9S8 provides strong chemical binding to immobilize polysulfides, which enables efficiently suppressing of the shuttle effect. The free-standing S@Co9S8 polyhedron array-based cathode exhibits ultrahigh capacity of 1079 mAh g-1 after cycling 100 times at 0.1C, and long cycling life of 500 cycles at 1C, recoverable rate-performance and good temperature tolerance. Furthermore, the adsorption energies towards polysulfides are investigated by using density functional theory (DFT) calculations, which display a strong binding with polysulfides.

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