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Citation: TU Xiao-Hua, CHU You-Qun, MA Chun-An, MO Yi-Ping, CHEN Zhao-Yang. Electrochemical Behavior of Aluminium Electrode in LiNO₃-KNO₃ Molten Salt[J]. Acta Physico-Chimica Sinica, ;2008, 24(04): 665-669. doi: 10.3866/PKU.WHXB20080420 shu

Electrochemical Behavior of Aluminium Electrode in LiNO₃-KNO₃ Molten Salt

1.
State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Department of Applied Chemistry, Zhejiang University of Technology, Hangzhou 310032, P. R. China; Hangzhou Shengyuan Medical and Health-Keeping Technology Developing Co., Ltd., Hangzhou 310012, P. R. China

Received Date: 15 October 2007
Available Online: 25 January 2008

The electrochemical behavior of aluminium in LiNO3-KNO3 molten salt electrolyte was studied by means of cyclic voltammetry and potentiostatic electrolysis. It was shown that the electrochemical reduction of Li+ at the aluminium electrode was followed by the diffusion of the nascent Li atom formed at the electrode surface into aluminiummatrix; and the β-phase and γ-phase Li-Al alloys were formed by alloying of Li atomwith Al; the electrode process was controlled by the diffusion of Li atom into Al matrix. The cyclic voltammetric experiments showed that both reductive peak current and oxidative peak current increased firstly with the increase of cycles, and then reached to a constant value after certain cycles. This indicated that the aluminium electrode had od electrochemical stability in the LiNO3-KNO3 molten salt electrolyte.
- Aluminiumelectrode; LiNO3-KNO3 molten salt; Cyclic voltammetry; Electrochemical behavior
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沈阳化工大学材料科学与工程学院沈阳 110142

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Electrochemical Behavior of Aluminium Electrode in LiNO3-KNO3 Molten Salt

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通讯作者: 陈斌, bchen63@163.com

Electrochemical Behavior of Aluminium Electrode in LiNO₃-KNO₃ Molten Salt