A New Strontium Vanadium Sulfide, SrV2S5

Kijima, Norihito; Ikeda, Shozo; Shimono, Isao; Matsumoto, Takehiko; Tsuji, Shintaro; Kumagai, K.; Nagata, Satoshi

doi:10.1006/jssc.1996.0328

Cited by 6 publications

(13 citation statements)

References 6 publications

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“…The magnetic susceptibility can be expressed as " #C/(¹! ), [2] where is the temperature-independent term, C is the Curie constant, and is the asymptotic Curie temperature. The effective magnetic moment per niobium ion from the Curie-Weiss term is about 0.04 which is much less than the spin-only moment (1.73 ) expected for an isolated Nb> ion.…”

Section: Resultsmentioning

confidence: 99%

“…AM S compounds (A"Sr, Ba; M"V, Nb, Ta) exhibit a large variety of physical properties, which makes them interesting. SrV S shows semiconducting temperature dependence in the resistivity and temperature-independent susceptibility with a small Curie-Weiss contribution at low temperatures (2). BaNb S shows metallic conductivity above 1.9 K and Pauli paramagnetism (7).…”

Section: Introductionmentioning

confidence: 98%

“…These sulfides have hexagonal symmetries in these crystal structures, while SrV S has a rhombohedral symmetry. All sulfides have complicated superstructures and the atomic positions of them have not yet been determined (2,3,8). Lattice constants and physical properties of the AM S compounds are summarized in Table 1.…”

Section: Introductionmentioning

confidence: 99%

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Evidence for Superconductivity in SrTa2S5and Metallic Characteristics of SrNb2S5

Kijima

Takahashi

Matsumoto

et al. 1998

Journal of Solid State Chemistry

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Evidence for Superconductivity in SrTa2S5and Metallic Characteristics of SrNb2S5

Kijima

Takahashi

Matsumoto

et al. 1998

Journal of Solid State Chemistry

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“…In literature, various vanadium-based sulfides had been reported with high electrical conductivity 74 and catalytic activity towards H 2 S oxidation. 75 The in situ generated nanoparticles on LSV surfaces, as observed in this study, may lead to enlarged reaction areas and enhanced reaction kinetics, e.g.…”

Section: Sulfur In Lsv Electrodesmentioning

confidence: 99%

Robust solid oxide cells for alternate power generation and carbon conversion

Zhang

Fang

et al. 2011

RSC Adv.

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Solid oxide cells (SOCs) are potentially useful for versatile energy conversion and storage applications. This work demonstrates the feasibility of SOCs that are operated in alternate power generation and carbon conversion modes. SOCs with lanthanum strontium vanadate (LSV) hydrogen electrodes have been proved to be competent candidates for such applications. SOCs with LSV-based hydrogen electrodes exhibit salient catalytic activity in hydrogen and various simulated feedstocks, e.g. syngas, biogas, town gas, and coal gas. LSV electrodes seem to perform better in the electrolyser mode than in the fuel cell mode. LSV electrodes are unlikely to be coked by the deposited carbon when exposed to carbon-forming gases. Most interestingly, LSV undergoes continuous activation during the course of operation, instead of being poisoned, when exposed to gases containing 50 ppm H 2 S. LSV-based reversible SOCs under alternating electrolyser and fuel cell operations have been demonstrated with negligible performance degradation over 500 h.

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“…The matrix of these nanoparticles should be LSV, as vanadium-based oxides have good affinity to H 2 S while YSZ is essentially inert towards H 2 S. The concentration of these nanoparticles is still below the detection limit of energy-dispersive X-ray spectroscopy (EDX,. In literature, various vanadium-based sulphides had been reported with high electrical conductivity (Kijima et al, 1996) and catalytic activity towards H 2 S oxidation (Li et al, 1996). These nanoparticles may lead to enlarged reaction areas and enhanced reaction kinetics, e.g.…”

Section: Fuelmentioning

confidence: 99%

Lanthanum strontium vanadate in solid oxide fuel cells.

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Here I would like to express my most sincere appreciation and gratitude to my supervisor, Professor Chan Siew Hwa, for his considerate guidance and encouragement all throughout this PhD project. I have learnt so much for his expertise in the fields of solid oxide fuel cells and mathematical modelling. More than a supervisor, it is his personality, lifestyle, and working philosophy that inspire me all through this four-year odyssey. I thank Dr. Liu Qinglin for his initial effort on launching this PhD project. I also thank Mr. Chen Xinbing, Mr. Alireza Babaei, and Dr. Zhang Lan for miscellaneous discussions. Mr. Zhao Cunlu is acknowledged for introducing me the computational tool, Wolfram Mathematica ® 7. Ms. Fang Yanan (School of MSE) is acknowledged for her kindly help in X-ray powder diffraction characterization. My warmest acknowledgement goes to Dr. Fu Changjing for insightful discussions over versatile project topics. My thanks also extend to all technicians in Fuel Cell Laboratory (ERI@N), Materials Laboratory A, and Computer Aided Engineering Laboratory for technical guidance and assistance.

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A New Strontium Vanadium Sulfide, SrV2S5

Cited by 6 publications

References 6 publications

Evidence for Superconductivity in SrTa2S5and Metallic Characteristics of SrNb2S5

Evidence for Superconductivity in SrTa2S5and Metallic Characteristics of SrNb2S5

Robust solid oxide cells for alternate power generation and carbon conversion

Lanthanum strontium vanadate in solid oxide fuel cells.

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