Lithium Electrochemical Intercalation/Deintercalation in Rhombohedral V2(SO4)3

被引：11

作者：

Gaubicher, Joel ^{[1
]}

Angenaut, Jacques ^{[1
]}

Chabre, Yves ^{[2
]}

Le Mercier, Thierry ^{[1
]}

Quarton, Michel ^{[1
]}

机构：

[1] Univ Paris 06, Lab Cristallochim Solide, URA CNRS 1388, F-75252 Paris 05, France

[2] Univ Grenoble 1, Spectrometrie Phys Lab, UMR CNRS 5588, F-38402 St Martin Dheres, France

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1998年 / 311卷

关键词：

V(2)(SO(4))(3); lithium intercalation; potentiodynamic studies;

D O I：

10.1080/10587259808042364

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The electrochemical behavior of the lithium/V(2)(SO(4))(3) system has been studied with XRD observation of the intercalation/deintercalation induced structural changes. Experiments have been performed on the NASICON type rhombohedral form. The use of very slow staircase potentiodynamic cycling made able to show that the first reduction occurs in two steps very close in energy and that the system experiences an irreversible structural change if this reduction is driven to the second step, below 2.59V vs Li(0)-Li(+). Then, after a specific first oxidation step at 2.8 V, the system can be cycled reversibly through two redox levels at 2.63 V and 2.59 V.

引用

页码：45 / 50

页数：6

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