Facile molten salt synthesis of Cs–MnO2 hollow microflowers for supercapacitor applications

In this paper, highly crystalline YF 3: Yb 3+/ Ln 3+( Ln = Er 3+, Tm 3+) microsheets were successfully synthesized by a surfactant-free molten salt method for the first time. The results indicated that the as-obtained samples belonged to orthorhombic system and exhibited microsheets morphology with side lengths of 30 to 80 μm and wall thickness from 1 to 1.5 μm. By changing the dopant's species ( Ln 3+), multicolor (yellow and blue) upconversion emission can be observed in YF 3: Yb 3+/ Ln 3+ microsheets under 980 nm laser diode (LD) excitation. The upconversion mechanisms in co-doping YF 3 samples were analyzed in detail based on the emission spectra. Importantly, this approach not only proposes a new alternative in synthesizing such materials, but also opens the possibility to meet the increasing commercial demand.

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Molten Salt Synthesis of CaCu3Ti4O12

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.368-372.115 ◽

2008 ◽

Vol 368-372 ◽

pp. 115-117 ◽

Cited By ~ 5

Author(s):

Ke Pi Chen ◽

Yong He ◽

Dong Yu Liu ◽

Zong De Liu

Keyword(s):

Particle Size ◽

Molten Salt ◽

Average Particle Size ◽

Particle Morphology ◽

Holding Time ◽

Molten Salt Synthesis ◽

Average Particle ◽

Molten Salt Method ◽

Particle Size Analyzer ◽

Size And Morphology

CCTO powders were prepared by using molten salt method in the NaCl-KCl system. The effects of temperature and holding time on phase compositions, particle morphology and size have been investigated by X-ray diffraction, scanning electron microscope and laser particle size analyzer. Using CaCO3, CuO and TiO2 as starting materials, CCTO compound could be synthesized at any temperature from 800oC to 1000oC in the NaCl-KCl system. The average particle size increased obviously with the increasing of temperature above 850 oC. Holding time had great effect on grain size and morphology.

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Synthesis and Characterization of Calcium Titanate and Calcium Zirconate Compound Powders by Molten Salt Method

Nano Hybrids and Composites ◽

10.4028/www.scientific.net/nhc.17.88 ◽

2017 ◽

Vol 17 ◽

pp. 88-95 ◽

Cited By ~ 1

Author(s):

L. John Bercmans ◽

T. Sornakumar ◽

A. Harish Kumar ◽

G. Siva ◽

G. Venkatesh

Keyword(s):

Molten Salt ◽

Binary Systems ◽

Pulse Discharge ◽

Dielectric Materials ◽

Calcium Titanate ◽

Single Step ◽

Molten Salt Synthesis ◽

Molten Salt Method ◽

Calcium Zirconate

Alkaline earth titanates and zirconates and their binary systems are of interest for their temperature in sensitive dielectric properties. Calcium titanate and calcium zirconate perovskite ceramics find applications in pulse discharge, energy storage and microwave capacitors. These dielectric materials have been used in electric hybrid and fuel cell vehicles. In the present work, fine crystalline compound powders of calcium titanate and calcium zirconate were prepared by a single step molten salt synthesis. Calcium oxide and titanium dioxide/zirconium oxide were used as precursors to obtain the calcium titanate and calcium zirconate compound powders respectively. The prepared calcium titanate and calcium zirconate compound powders were characterized by TGA, FTIR, XRD, SEM and EDS analysis.

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Molten salt synthesis of tin doped hematite nanodiscs and their enhanced electrochemical performance for Li-ion batteries

RSC Advances ◽

10.1039/c4ra04577g ◽

2014 ◽

Vol 4 (62) ◽

pp. 32781-32786 ◽

Cited By ~ 6

Author(s):

Rencheng Jin ◽

LiXia Yang ◽

Guihua Li ◽

Gang Chen

Keyword(s):

Electrochemical Performance ◽

Molten Salt ◽

Molten Salt Synthesis ◽

Molten Salt Method ◽

Li Ion Batteries ◽

Lithium Storage ◽

Li Ion ◽

Enhanced Electrochemical Performance ◽

Storage Properties

Sn4+ doped α-Fe2O3 nanodiscs with good lithium storage properties have been prepared by a molten salt method.

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Low-Temperature Molten Salt Synthesis of NiWO4 Nanoparticles

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.311-313.545 ◽

2011 ◽

Vol 311-313 ◽

pp. 545-548 ◽

Cited By ~ 2

Author(s):

Yu Jiang Wang ◽

Yong Gang Wang

Keyword(s):

Electron Microscopy ◽

Transmission Electron Microscopy ◽

Particle Size ◽

Molten Salt ◽

Molten Salt Synthesis ◽

Molten Salt Method ◽

X Ray Diffraction ◽

X Ray ◽

Transmission Electron ◽

Pure Phase

NiWO4 nanoparticles were successfully synthesized by a molten salt method at 270°C. The as-prepared powders were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM), and exhibited a pure phase NiWO4 with about 50 nm in particle size and uniform nearly-spherical particle shape.

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Molten Salt Synthesis of High-Performance, Nanostructured La0.6Sr0.4FeO3−δ Oxygen Electrode of a Reversible Solid Oxide Cell

Materials ◽

10.3390/ma13102267 ◽

2020 ◽

Vol 13 (10) ◽

pp. 2267

Author(s):

Xiaodong Zuo ◽

Zhiyi Chen ◽

Chengzhi Guan ◽

Kongfa Chen ◽

Sanzhao Song ◽

...

Keyword(s):

Molten Salt ◽

High Performance ◽

Reaction Medium ◽

Solid Oxide ◽

Molten Salt Synthesis ◽

Electrolysis Cell ◽

Molten Salt Method ◽

Assembly Method ◽

Oxygen Electrodes ◽

Direct Assembly

Nanoscale perovskite oxides with enhanced electrocatalytic activities have been widely used as oxygen electrodes of reversible solid oxide cells (RSOC). Here, La0.6Sr0.4FeO3−δ (LSF) nanoscale powder is synthesized via a novel molten salt method using chlorides as the reaction medium and fired at 850 °C for 5 h after removing the additives. A direct assembly method is employed to fabricate the LSF electrode without a pre-sintering process at high temperature. The microstructure characterization ensures that the direct assembly process will not damage the porosity of LSF. When operating as a solid oxide fuel cell (SOFC), the LSF cell exhibits a peak power density of 1.36, 1.07 and 0.7 W/cm2 at 800, 750 and 700 °C, respectively, while in solid oxide electrolysis cell (SOEC) mode, the electrolysis current density reaches 1.52, 0.98 and 0.53 A/cm2 under an electrolysis voltage of 1.3 V, respectively. Thus, it indicates that the molten salt routine is a promising method for the synthesis of highly active perovskite LSF powders for directly assembled oxygen electrodes of RSOC.

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Molten salt synthesis, growth mechanism, and photoluminescence of rod chlorapatite microcrystallites

CrystEngComm ◽

10.1039/c8ce02040j ◽

2019 ◽

Vol 21 (11) ◽

pp. 1809-1817 ◽

Cited By ~ 4

Author(s):

Xiao Wen ◽

Can He ◽

Bogang Wu ◽

Ximing Huang ◽

Zhaohui Huang ◽

...

Keyword(s):

Low Temperature ◽

Molten Salt ◽

Growth Mechanism ◽

Molten Salt Synthesis ◽

Molten Salt Method ◽

Air Atmosphere

The molten salt method was used to synthesize chlorapatite microcrystallites with regular shapes and uniform sizes at a relatively low temperature under an air atmosphere.

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Application of Molten Salt Method in Hercynite Composite Powder Synthesis at Elevated Temperature

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.726.460 ◽

2017 ◽

Vol 726 ◽

pp. 460-464 ◽

Cited By ~ 2

Author(s):

Yan Chai ◽

Mei Jie Zhang

Keyword(s):

Molten Salt ◽

Iron Powder ◽

Synthesis Method ◽

Reaction Medium ◽

Raw Material ◽

Molten Salt Synthesis ◽

Alumina Powder ◽

Molten Salt Method ◽

Powder Synthesis ◽

Powder Content

With molten salt method, a series of the hercynite powders were prepared using FeCl2·4H2O, active alumina and iron powder as raw material and KCl molten salt as reaction medium. The phase composition and micro-morphology were studied by techniques of XRD and SEM. The results showed that a high purity hercynite-alumina powder can be synthesized by molten salt synthesis method after heat treatment at 1000 °C in reducing atmosphere, the main phases were hercynite and α-Al2O3, and the increasing iron powder content can raise hercynite production quantity with developed crystal grain, the grain size was increased from 6μm to 10μm.

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Facile molten salt synthesis of zirconia whiskers

Processing and Application of Ceramics ◽

10.2298/pac1803257w ◽

2018 ◽

Vol 12 (3) ◽

pp. 257-261 ◽

Cited By ~ 1

Author(s):

Tao Wang ◽

Jianmin Liu ◽

Weihui Jiang ◽

Guo Feng ◽

Lifeng Miao ◽

...

Keyword(s):

Electron Microscope ◽

Molten Salt ◽

Reaction Temperature ◽

Molten Salt Synthesis ◽

Heating Process ◽

Molten Salt Method ◽

Sodium Zirconium ◽

Transmission Electron ◽

Mixture Phase ◽

Average Aspect Ratio

ZrO2 whiskers have been synthesized by a facile molten salt method using ZrOCl2 ? 8H2O and Na3PO4 ? 12H2O as the zirconium source and molten salt, respectively. Differential thermal and thermogravimetric analyses, Xray diffraction analysis, field emission scanning electron microscope and transmission electron microscope were employed to characterize the heating process of the precursor mixture, phase composition of the assynthesized ZrO2 whiskers and the effect of reaction temperature on the synthesis of ZrO2 whiskers. The results show that the ZrO2 whiskers synthesized at 900?C have an average aspect ratio of 30 and preferentially grow along [010] direction. The formation of sodium zirconium phosphate [Na9-4xZrx(PO4)3] (x = 1, 2) and the reaction temperature play an important role in the growth of ZrO2 whiskers. This work also suggests an effective route for mass production of high quality ZrO2 whiskers.

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One-pot in situ molten salt synthesis of octahedral Fe3O4for efficient microwave absorption application

RSC Advances ◽

10.1039/c5ra15949k ◽

2015 ◽

Vol 5 (98) ◽

pp. 80450-80456 ◽

Cited By ~ 28

Author(s):

Chaomei Shang ◽

Guangbin Ji ◽

Wei Liu ◽

Xingmiao Zhang ◽

Hualiang Lv ◽

...

Keyword(s):

Thermal Decomposition ◽

Molten Salt ◽

Microwave Absorption ◽

Molten Salt Synthesis ◽

Molten Salt Method ◽

One Pot

Octahedral Fe3O4particles were synthesized through the combination of thermal decomposition with a molten salt method. F-800 exhibits excellent microwave absorption behavior with a thickness of 1.4 mm.

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