757357
Lanthanum gallate, strontium and magnesium doped
powder, 0.3-0.6 μm, 99% trace rare earth metals basis
Sinônimo(s):
Gallium lanthanum magnesium strontium oxide, LSGM, LSGM 8282, Lanthanum Strontium Gallate Magnesite, Strontium and Magnesium doped Lanthanum Gallate
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25 G
R$ 1.356,00
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25 G
R$ 1.356,00
About This Item
Fórmula empírica (Notação de Hill):
La0.8Sr0.2Ga0.8Mg0.2O3
Número CAS:
Peso molecular:
237.29
Número MDL:
Código UNSPSC:
26111700
NACRES:
NA.23
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Nível de qualidade
Ensaio
99% trace rare earth metals basis
Formulário
powder
características do produto alternativo mais ecológico
Design for Energy Efficiency
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sustainability
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área da superfície
4-8 m2/g
tamanho de partícula
0.3-0.6 μm
0.4-0.8 μm (d50)
pf
>400 °C
categoria alternativa mais ecológica
Categorias relacionadas
Descrição geral
LSGM is an electrolyte material for intermediate temperature (below 800oC ) solid oxide fuel cells (IT-SOFC). LaGaO3 based pervoskite; doped with strontium and magnesium (LSGM) is known to exhibit high oxide ionic conductivity, on account of the high concentration and mobility of oxygen vacancies[1][2] LSGM-8282 can be synthesized by solid state reaction between La2O3, MgO, SrCo3 and Ga2O at temperatures > 1000oC.[2] Other known methods of producing LSGM are combustion synthesis, coprecipitation route, Pechini method for powder. Pechini method is popularly used in producing LSGM for solid oxide fuel cells (SOFCs).[3]
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Aplicação
World-wide a number of activities are concerned with the optimization and development of cell materials and microstructures with the aim of reducing the solid oxide fuel cell (SOFC) operating temperatures. Reducing operating temperatures not only increases the life time of SOFC but also reduces cost of the total system.
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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Oxygen surface exchange and diffusion in LaGaO 3 based perovskite type oxides.
Ishihara T, et al.
Solid State Ionics, 113, 593-600 (1998)
Chemical Preparation of Pure and Strontium-and/or Magnesium-Doped Lanthanum Gallate Powders
Tas A, et al.
Journal of the American Ceramic Society. American Ceramic Society, 83(12), 2954-2960 (2000)
Huang, P-N.; et al.
Journal of the Electrochemical Society, 143, 1644-1644 (1996)
Hwang, C-S.; et al.
Journal of Power Sources, 196, 1932-1932 (2011)
SOFC composite electrolyte based on LSGM-8282 and zirconia or doped zirconia from zircon concentrate
Rahmawati F, et al.
International Journal of Minerals, Metallurgy, and Materials, 19(9), 863-871 (2012)
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