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763691

Sigma-Aldrich

Lanthanum strontium cobaltite, LSC-82

greener alternative

99% trace metals basis

Synonym(s):

Cobalt lanthanum strontium oxide, LSC, LSC-82, LSCo, Lanthanum strontium cobalt oxide, Strontium doped lanthanum cobalt oxide

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About This Item

Empirical Formula (Hill Notation):
La0.8Sr0.2CoO3
CAS Number:
108916-09-2
Molecular Weight:
235.58
UNSPSC Code:
26111700
NACRES:
NA.23

Assay

99% trace metals basis

form

powder

mol wt

Mw 235.58 g/mol

composition

La0.8Sr0.2CoO3

greener alternative product characteristics

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

sustainability

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surface area

13-18 m2/g

particle size

0.4-1 μm (Horiba-Laser)

application(s)

battery manufacturing

greener alternative category

, Enabling

General description

LSC-82 is a promising cathode material for Solid Oxide Fuel Cells with a pervoskite type structure.
LSC-82 has the unique ability to reduce itself reversibly at moderate partial pressures of oxygen, thus producing large numbers of oxygen ion vacancies. The ion vacancies allow a number of events to take place, such as;
  • ease the transport of oxygen ion and cause oxygen surface exchange,
  • raise mechanical stress by causing volume expansion of the lattice.
Influence of change in temperature on the properties of LSC-82 has been reported in detail. Effect of temperature on magnetic susceptibility has also been reported.
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Application

SOFCs containing LSC-82 cathodes show good performances with doped ceria electrolytes compared to yttria stabilized zirconia electrolytes.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H315,H317,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thermal and chemical expansion of Sr-doped lanthanum cobalt oxide (La1-x Sr x CoO3-δ).
Chen X, et al.
Chemistry of Materials, 17(17), 4537-4546 (2005)
Milind J Gadre et al.
Physical chemistry chemical physics : PCCP, 14(8), 2606-2616 (2012-01-25)
An interface between the perovskite La(0.8)Sr(0.2)CoO(3-δ) (LSC-113) and the K(2)NiF(4)-type (La(0.5)Sr(0.5))(2)CoO(4-δ) (LSC-214) heterostructure was recently shown to enhance oxygen surface exchange and the rate of the oxygen reduction reaction (ORR) by orders of magnitude compared to either the LSC-113 or
Bouwmeester, H. J. M.; et al.
Solid State Ionics, 72, 185-185 (1994)
High Temperature Magnetic Properties of Sr-Doped Lanthanum Cobalt Oxide (La1- x Sr x CoO3- δ).
Bhaskar D, et al.
Chemistry of Materials, 20(8), 2624-2628 null

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