Effect of different additives on the properties of lithium alanate

Xueping Zheng; Ping Li; Xuanhui Qu; I. S. Humail; Yanghuan Zhang; Guoqing Wang

doi:10.1016/S1005-8850(08)60288-1

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Xueping Zheng, Ping Li, Xuanhui Qu, I. S. Humail, Yanghuan Zhang, and Guoqing Wang, Effect of different additives on the properties of lithium alanate, J. Univ. Sci. Technol. Beijing , 15(2008), No. 6, pp.786-790. https://dx.doi.org/10.1016/S1005-8850(08)60288-1

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Effect of different additives on the properties of lithium alanate

摘要: LiAIH₄ doped with Ni and Ce(SO₄)₂ additives and the effect of doping on temperature and hydrogen release were studied by pressure-content-temperature (PCT) experiment and X-ray diffraction (XRD) analysis. It is indicated that doping with Ni induces a significant decrease in temperature in the first step and LiAlH₄ doped with 1mol% Ni presents the most absorption of hydrogen. Doping with Ce(SO₄)₂ also causes a marked decrease, while the amount of hydrogen release changes only slightly. The results from X-ray diffraction analysis show that doping does not cause any structural change; Ni and Ce-containing phases are not observed at room temoerature or even at 250℃.

Effect of different additives on the properties of lithium alanate

Abstract: LiAIH₄ doped with Ni and Ce(SO₄)₂ additives and the effect of doping on temperature and hydrogen release were studied by pressure-content-temperature (PCT) experiment and X-ray diffraction (XRD) analysis. It is indicated that doping with Ni induces a significant decrease in temperature in the first step and LiAlH₄ doped with 1mol% Ni presents the most absorption of hydrogen. Doping with Ce(SO₄)₂ also causes a marked decrease, while the amount of hydrogen release changes only slightly. The results from X-ray diffraction analysis show that doping does not cause any structural change; Ni and Ce-containing phases are not observed at room temoerature or even at 250℃.

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