Synthesis of non-stoichiometric lithium manganate fine powders by internal combustion-type spray pyrolysis using gas burner

Myojin, Kenichi; Ogihara, Takashi; Ogata, Naoya; Aoyagi, Nobuyoshi; Aikiyo, Hitoshi; Ookawa, Takashi; Omura, Suetake; Yanagimoto, Motoyuki; Uede, Masao; Oohara, Takashi

doi:10.1163/1568552041270518

Cited by 24 publications

(13 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Other research groups in Japan include Ogihara [113][114][115], Taniguchi [116,117], Inagaki [118], Ohara [119], and Soga [120] of which main interests are preparation of ceramic powders by spray pyrolysis.…”

Section: Spray Pyrolysis Research In Japanmentioning

confidence: 99%

Design of particles by spray pyrolysis and recent progress in its application

Jung

Park

Kang

2010

Korean J. Chem. Eng.

147

View full text Add to dashboard Cite

Spray pyrolysis is a promising aerosol process to produce "designer particles" of precisely controlled morphology with decorations on surfaces or inside particles. Need of precise control of properties has sparked researches on aerosol process that may replace conventional processes such as solid state reaction process or liquid precipitation method. However, productivity is the biggest obstacle in the development of a commercial scale process because the aerosol process is essentially operated at low particle concentration compared to liquid phase processes. In this review, by reviewing publications for the last 10 years we discuss how researchers on spray pyrolysis circumvent this inherent limitation of the aerosol process. First, the process of particle design by spray pyrolysis is introduced. Some key criteria are explained for selecting each component of spray pyrolysis: precursor, additive, carrier gas, heat source, and reactor type. Second, key contributions of major groups in Korea, Japan, Europe, and America are described. Third, some of named processes to overcome productivity of spray aerosol process are introduced. Fourth, applications of spray pyrolysis to materials related to alternative energy, environmental cleaning, information processing and display, and biomaterials are considered. Finally, future prospects of spray pyrolysis are discussed along with current standing issues for further progress of spray pyrolysis.

show abstract

Section: Spray Pyrolysis Research In Japanmentioning

confidence: 99%

Design of particles by spray pyrolysis and recent progress in its application

Jung

Park

Kang

2010

Korean J. Chem. Eng.

147

View full text Add to dashboard Cite

show abstract

“…However, the drawbacks of this method, such as long calcination time; slow reaction kinetics, which hinders the formation of pure single-phase product; and lack of control over the particle size have constrained its practical application. To overcome these drawbacks, numerous wet-chemical methods are being used, which include co-precipitation [8][9][10], hydrothermal synthesis [11,12], the sol-gel based solution combustion synthesis [13][14][15], and spray drying method [7,[16][17][18][19]. Among these, solution combustion synthesis (SCS) is a promising method, which is based on a highly exothermic, self-sustaining reaction generated by heating a solution mixture of aqueous metal salts and fuels such as urea, citric acid, and glycine.…”

Section: Introductionmentioning

confidence: 99%

Solution combustion synthesis of LiMn2O4 fine powders for lithium ion batteries

Chen

Nobuta

Saito

et al. 2014

Advanced Powder Technology

View full text Add to dashboard Cite

In this work, fine powders of spinel-type LiMn 2 O 4 as cathode materials for lithium ion batteries (LIBs) were produced by a facile solution combustion synthesis using glycine as fuel and metal nitrates as oxidizers. Single phase of LiMn 2 O 4 products were successfully prepared by SCS with a subsequent calcination treatment at 600 to 1000 ºC. The structure and morphology of the powders were studied in detail by X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The electrochemical properties were characterized by galvanostatic charge-discharge cycling and cyclic voltammetry. The crystallinity, morphology, and size of the products were greatly influenced by the calcination temperature. The sample calcined at 900 ºC had good crystallinity and particle sizes between 500 and 1000 nm. It showed the best performance with an initial discharge capacity of 115.6 mAh g -1 and a capacity retention of 93% after 50 cycles at a 1 C rate. In comparison, the LiMn 2 O 4 sample prepared by the solid-state reaction showed a lower capacity of around 80 mAh g -1 .

show abstract

“…[1][2][3]Therefore, C/LiMnPO 4 composites have been often prepared by coating conducting materials such as carbon [4][5][6], but the electrochemical property of C/LiMnPO 4 is not still improved. Spray pyrolysis is a versatile process that is used to synthesize homogeneous powders [7][8][9]. In this work, we tried to dope the foreign metal to C/LiMnPO 4 in order to raise the electric conductivity.…”

Section: Introductionmentioning

confidence: 99%

Effect of Foreign Metal on Electrochemical Properties of C/LiMnPO<sub>4</sub> Powders Synthesized by Spray Pyrolysis

Fujita

Suetsugu

Kodera

et al. 2010

Trans. Mat. Res. Soc. Japan

Self Cite

View full text Add to dashboard Cite

Spherical C/LiMn 1-X M X PO 4 (M=Mg, Zn X=0, 0.01, 0.05, 0.10) precursor powders were successfully prepared by ultrasonic spray pyrolysis. The C/LiMn 1-X M X PO 4 were obtained by heating at 973 K for 3 hours under argon/hydrogen (5%) atmosphere. The crystal phases of all samples had an olivine structure with a Pmnb space group and the impurity phase peak was not observed. The average particle size was approximately 0.7 µm. The electrochemical properties of the C/LiMn 1-X M X PO 4 cathode were estimated by the rechargeable capacity and cycle performance. Electrochemical measurement revealed that the discharge capacity was improved by doping foreign metal such as Mg and Zn ion. The first discharge capacity of C/LiMn 1-X Zn X PO 4 (X = 0.1) cathode was approximately 60 mAh/g at 0.1 C. It was steady cycling characteristics.

show abstract

Synthesis of non-stoichiometric lithium manganate fine powders by internal combustion-type spray pyrolysis using gas burner

Cited by 24 publications

References 12 publications

Design of particles by spray pyrolysis and recent progress in its application

Design of particles by spray pyrolysis and recent progress in its application

Solution combustion synthesis of LiMn2O4 fine powders for lithium ion batteries

Effect of Foreign Metal on Electrochemical Properties of C/LiMnPO<sub>4</sub> Powders Synthesized by Spray Pyrolysis

Contact Info

Product

Resources

About