Reaction Kinetics for the Synthesis of Li4SiO4 by Solid State Reaction from Li2SiO3 and Li2CO3 for Tritium Breeder
Reaction Kinetics for the Synthesis of Li4SiO4 by Solid State Reaction from Li2SiO3 and Li2CO3 for Tritium Breeder
复制标题
氚增殖剂用 Li2SiO3 和 Li2CO3 固相反应合成 Li4SiO4 的反应动力学
DOI：
10.1007/s10894-016-0087-9
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发表时间：
2016-03
影响因子：
1.1
通讯作者：
Yu Yonghong
中科院分区：
文献类型：
--
作者：
Xiang Maoqiao;Zhang Yingchun;Zhang Yun;Liu Wei;Wang Chaofu;Yu Yonghong
Currently, Li4SiO4 has been considered one of the best candidates for tritium breeders. Besides, it has also been suggested to be the promising high-temperature carbon dioxide (CO2) solid sorbent and lithium ion conducting material. As the knowledge of reaction kinetics can offer either a practical or theoretical purpose for predicting and optimizing the reaction process, the kinetics of formation of Li4SiO4 from Li2CO3 and Li2SiO3 were investigated by non-isothermal thermogravimetric technique at four different heating rates. The Malek method results showed that the reaction was the Avarami–Erofeev model, i.e., at about 650 °C the Li2SiO3 and Li2CO3 with molar ratio of 1:1 formed Li4SiO4 crystal nucleus randomly, and then it grew by the diffusion of Li and O through Li4SiO4 layer. And the diffusion stage was the rate controlling step. The performances of Li4SiO4 pebbles fabricated by a graphite bed process using Li2SiO3 and Li2CO3 were also evaluated.
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影响因子：
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通讯作者：
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