Solubility of LiCoO/sub 2/ in molten carbonates

IECEC-97 Proceedings of the Thirty-Second Intersociety Energy Conversion Engineering Conference (Cat. No.97CH6203) Pub Date : 1997-12-31 DOI:10.1109/IECEC.1997.660238

M. Higashino, M. Yanagida, K. Tanimoto, T. Kojima, Y. Tamiya, H. Matsumoto, T. Asai, Y. Miyazaki, Y. Takigawa

引用次数: 0

Abstract

The solubility of LiCoO/sub 2/ was proportional to Pco/sub 2//sup 3/2/ and Po/sub 2//sup -1/4/ in (Li/sub 0.52/Na/sub 0.48/)/sub 2/CO/sub 3/. It obeys the acidic dissolution mechanism. This result was the same dependence as that in (Li/sub 0.62/K/sub 0.38/)/sub 2/CO/sub 3/. The solubility of LiCoO/sub 2/ in (Li/sub 0.52/Na/sub 0.48/)/sub 2/CO/sub 3/ was about a half of that in (Li/sub 0.62/K/sub 0.38/)/sub 2/CO/sub 3/. The solubility of LiCoO/sub 2/ decreased with Li content in Li-K carbonate system. The solubility of LiCoO/sub 2/ was lower than that of NiO even under the pressurized cathode condition of MCFC.

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LiCoO/sub 2/在熔融碳酸盐中的溶解度

LiCoO/sub 2/的溶解度与Pco/sub 2//sup 3/2/和Po/sub 2//sup -1/4/ in (Li/sub 0.52/Na/sub 0.48/)/sub 2/CO/sub 3/成正比。它服从酸性溶解机理。该结果与(Li/sub 0.62/K/sub 0.38/)/sub 2/CO/sub 3/的相关性相同。LiCoO/sub - 2/ in (Li/sub - 0.52/Na/sub - 0.48/)/sub - 2/CO/sub - 3/的溶解度约为Li/sub - 0.62/K/sub - 0.38/)/sub - 2/CO/sub - 3/的一半。碳酸锂钾体系中LiCoO/sub 2/的溶解度随Li含量的增加而降低。即使在MCFC的加压阴极条件下，LiCoO/sub 2/的溶解度也低于NiO。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IECEC-97 Proceedings of the Thirty-Second Intersociety Energy Conversion Engineering Conference (Cat. No.97CH6203)

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