Research status and development of lithium carbonate thermal decomposition

BAO Xuefan; DENG Zhigan; WEI Chang; FAN Gang; LI Xingbin; LI Minting

doi:10.13264/j.cnki.ysjskx.2023.04.004

Volume 14 Issue 4

Aug. 2023

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Nonferrous Metals Science and Engineering > 2023 > 14(4): 467-472. > DOI: 10.13264/j.cnki.ysjskx.2023.04.004

BAO Xuefan, DENG Zhigan, WEI Chang, FAN Gang, LI Xingbin, LI Minting. Research status and development of lithium carbonate thermal decomposition[J]. Nonferrous Metals Science and Engineering, 2023, 14(4): 467-472. DOI: 10.13264/j.cnki.ysjskx.2023.04.004

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Research status and development of lithium carbonate thermal decomposition

BAO Xuefan^a,
DENG Zhigan^{a, b, ,},
WEI Chang^{a, b},
FAN Gang^{a, b},
LI Xingbin^{a, b},
LI Minting^{a, b}

a.
Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
b.
State Key Laboratory of Complex Nonferrous Metal Resource Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China

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Received Date: July 28, 2022
Revised Date: November 30, 2022
Available Online: August 23, 2023

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Abstract

Abstract

Li₂O is widely used in the chemical industry, atomic energy industry, metallurgy and other fields. Li₂CO₃ is the most common raw material for preparing Li₂O. The study on the thermal decomposition of Li₂CO₃ plays an important role in preparing Li₂O. This paper explored the thermal decomposition of Li₂CO₃under vacuum, the addition of alumina to promote the thermal decomposition of Li₂CO₃ at normal pressure and vacuum conditons, respectively. From the methods above, the detailed thermodynamic analysis provided relevant data for the thermal decomposition behavior of Li₂CO₃. Moreover, this paper introduced the current research status and development of the thermal decomposition of Li₂CO₃ worldwide. The advantages of vacuum preparation of Li₂O were noted for future research, which provides a reference for selecting Li₂O preparation processes.
- Li₂CO₃,
- Li₂O,
- vacuum thermal decomposition

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