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Merck

757357

Sigma-Aldrich

Lanthanum gallate, strontium and magnesium doped

greener alternative

powder, 0.3-0.6 μm, 99% trace rare earth metals basis

别名:

Gallium lanthanum magnesium strontium oxide, LSGM, LSGM 8282, Lanthanum Strontium Gallate Magnesite, Strontium and Magnesium doped Lanthanum Gallate

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About This Item

经验公式(希尔记法):
La0.8Sr0.2Ga0.8Mg0.2O3
分子量:
237.29
分類程式碼代碼:
26111700
NACRES:
NA.23

品質等級

化驗

99% trace rare earth metals basis

形狀

powder

環保替代產品特色

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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表面積

4-8 m2/g

粒徑

0.3-0.6 μm
0.4-0.8 μm (d50)

mp

>400 °C

環保替代類別

相关类别

一般說明

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 LSGM-8282 can be synthesized by solid state reaction between La2O3, MgO, SrCo3 and Ga2O at temperatures > 1000oC. 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).
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應用

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.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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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)
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)
Hwang, C-S.; et al.
Journal of Power Sources, 196, 1932-1932 (2011)
Huang, P-N.; et al.
Journal of the Electrochemical Society, 143, 1644-1644 (1996)
Oxygen surface exchange and diffusion in LaGaO 3 based perovskite type oxides.
Ishihara T, et al.
Solid State Ionics, 113, 593-600 (1998)

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