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A New, Friendlier Methodology to Determine the Average Manganese Valence in LixMn2O4 Spinels Using Atomic Absorption Spectrometry and Molecular Absorption Spectrophotometry
(Soc Brasileira Quimica, 2018-04-01)
An alternative, friendlier methodology for the determination of the average manganese valence (nu) of manganese oxides (mainly pure and doped spinels) is presented. This methodology is based on the facile determination of ...
SUBSTITUTION EFFECTS ON THE MAGNETIC PROPERTIES OF NI(ME,MN)2O4 AND LI(ME,MN)2O4: COMPARISON BETWEEN ME = CR AND FE
(Sociedad Chilena de Química, 2005)
Desenvolvimento de uma nova rota de síntese hidrotermal assistida por micro-ondas para a obtenção de nanopartículas de espinélios de manganês e lítio dopados com alumínio para aplicação em baterias de íons lítio
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2018-03-01)
Spinel of manganese and lithium undoped and doped with aluminum were obtained by an unpublished, energy saving, short time, and low temperature synthesis: microwave-assisted hydrothermal route. Undoped spinel was synthesized ...
Evaluation of the effect of the synthesis method on the performance of manganese spinel as cathode material in lithium-ion batteriesEvaluación del efecto del método de síntesis sobre el desempeño de la espinela de manganeso como material de cátodo en baterías de ion-litio
(Imprenta Univ Antioquia, 2018-04)
Spinel-structured lithium manganese oxide (LiMn2O4) has been successfully used as a cathode material for various lithium batteries. To improve the capacity and increase the discharge potential of the battery, transition ...
Propriedades estruturais e eletroquímicas de espinélios de lítio e manganês dopados para uso em baterias de lítio
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2005-09-02)
The spinels investigated in the present work were obtained by solid state reaction at 750 ºC for 72 h among the precursors ε-MnO2, LiOH and the respective oxides/salt of the doping ions. In order to control the particles ...
Síntese hidrotérmica aquecida por micro-ondas e caracterização por raios X baseada em síncrotron operando de nanopartículas de LiMn2O4 enriquecidas com Li e dopadas com Al, Co ou Ni para aplicação em baterias de íons lítio
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2022-05-24)
A facile, fast and efficient microwave-assisted hydrothermal (MWH) route was used to synthetize undoped and doped spinels with Al or Co or Ni. The reaction was carried at low temperature of 140 °C for 5 min in an MWH reactor ...
Propriedades estruturais e eletroquímicas de espinélios de lítio e manganês dopados para uso em baterias de lítio.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQ, 2005-09-01)
The spinels investigated in the present work
were obtained by solid state reaction at 750 ºC for 72 h among the precursors
ε-MnO2, LiOH and the respective oxides/salt of the doping ions. In order to control
the particles ...
Study of the potentiometric properties of spinel-type manganese oxide doped with gallium and anions Ga<inf>0.02</inf>Mn<inf>1.98</inf>O<inf>3.98</inf>X<inf>0.02</inf> (X = S<sup>2-</sup> and F<sup>-</sup>) as selective sensor for lithium ion
(2015-06-25)
Abstract This paper describes the development of a selective lithium ion sensor based on spinel-type manganese oxide doped with gallium and anions (Ga<inf>0.02</inf>Mn<inf>1.98</inf>O<inf>3.98</inf>X<inf>0.02</inf>, where ...