Cu4Cl(Cl0.29[OH]0.71)[OH]6

Villars, P.; Cenzual, K.; Daams, J.; Gladyshevskii, R.; Shcherban, O.; Dubenskyy, V.; Melnichenko-Koblyuk, N.; Pavlyuk, O.; Stoiko, S.; Sysa, L.

doi:10.1007/10920503_184

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“…The authors attempted to use water‐based slurry; however, La 2 O 3 turned into La(OH) 3 by the chemical reaction with water, which led to delamination of the La 0.8 Sr 0.2 CrO 3– δ layer, most likely due to significant volume change during RLRS (cf. La 2 O 3 and La(OH) 3 are 40.2 Å 3 [ 63 ] and 71.2 Å 3 [ 64 ] per La atom). The authors also attempted to use La 2 (CO 3 ) 3 and Cr metal instead of La 2 O 3 and Cr 2 O 3 .…”

Section: Methodsmentioning

confidence: 99%

Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells

Takamura

Meng

et al. 2020

Energy Tech

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Rapid laser reactive sintering (RLRS) is an additive manufacturing process which enables the quick and efficient fabrication of a wide range of ceramic‐based cells with various geometries and microstructures. Herein, the preparation of La0.8Sr0.2CrO3–δ interconnects by RLRS for solid‐oxide fuel/electrolysis cells (SOFC/ECs) is demonstrated. Uniform perovskite structure without residual intermediate phases can be achieved by CO2 laser irradiation at 103 W with a scanning speed of 0.07–0.10 mm s−1. Narrowing the width of the underlying MgO substrate and deposition of a terpineol‐based slurry with a solid loading level of less than 4 g m−2 are found to be critical parameters to avoid cracking and delamination. The optimum laser conditions balance Cr loss and densification of La0.8Sr0.2CrO3–δ resulting in an 11‐μm‐thick RLRS‐derived La0.8Sr0.2CrO3–δ film having a high relative density of 80–95% with a low area specific resistance (ASR) of 0.003 Ω cm2 at 600 °C. This ASR is more than 30 times lower than that of furnace‐sintered La0.8Sr0.2CrO3–δ in the same thickness range. The RLRS technique is promising for quick and efficient preparation of dense and thin La0.8Sr0.2CrO3–δ which are key components for highly compact SOFC/ECs.

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Section: Methodsmentioning

confidence: 99%

Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells

Takamura

Meng

et al. 2020

Energy Tech

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Cu4Cl(Cl0.29[OH]0.71)[OH]6

Cited by 1 publication

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Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells

Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells

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Cu4Cl(Cl0.29[OH]0.71)[OH]6

Cited by 1 publication

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Rapid Laser Processing of Thin Sr‐Doped LaCrO3–δ Interconnects for Solid Oxide Fuel Cells

Rapid Laser Processing of Thin Sr‐Doped LaCrO3–δ Interconnects for Solid Oxide Fuel Cells

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Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells

Rapid Laser Processing of Thin Sr‐Doped LaCrO_3–δ Interconnects for Solid Oxide Fuel Cells