Quaternary Diamond-Like Chalcogenidometalate Networks as Efficient Anode Material in Lithium-Ion Batteries

Thomas Kaib; Sima Haddadpour; Hanne Flaten Andersen; Leonhard Mayrhofer; Tommi T.Jaervi; Michael Moseler; Kai-Christian Moeller; Stefanie Dehnen

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Quaternary Diamond-Like Chalcogenidometalate Networks as Efficient Anode Material in Lithium-Ion Batteries

机译：四级金刚石样硫属元素金属酸盐网络作为锂离子电池中的高效负极材料

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An improvement of lithium-ion batteries with regard to their reversible capacity, cycling stability, rate performance, and safety under repetitive charge and discharge still requires considerable research activity. However, graphite has remained the unexcelled material for the anode so far. Here, it is shown that two novel quaternary lithium-chalcogenidometalate phases, Li_4MnGe_2S_7 (1) and Li_4MnSn_2Se_7 (2), represent very promising new anode materials for lithium-ion cells in that they achieve specific lithium storage capacities higher than that of the commercially used graphite, and display an excellent stability during cycling. These properties are based on the structural peculiarities of the phases, which adopt Wurtzite-related topologies and provide high structural flexibility of the metal sulfide or selenide bonds as advantageous pre-requisitions for a large ion accessible volume.

机译：锂离子电池在可逆容量，循环稳定性，倍率性能以及在反复充电和放电下的安全性方面的改进仍需要大量的研究活动。但是，到目前为止，石墨一直是阳极的优良材料。在此表明，两个新颖的季铵硫属金属锂酸盐相Li_4MnGe_2S_7（1）和Li_4MnSn_2Se_7（2）代表了锂离子电池极有希望的新型阳极材料，因为它们实现了比市售锂离子电池更高的比锂存储容量石墨，并在循环过程中显示出出色的稳定性。这些性质基于相的结构特性，这些相采用纤锌矿相关的拓扑结构，并提供了金属硫化物或硒化物键的高结构柔性，这是较大离子可及体积的有利先决条件。

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《Advanced Functional Materials》 |2013年第46期|5693-5699|共7页
作者
Thomas Kaib; Sima Haddadpour; Hanne Flaten Andersen; Leonhard Mayrhofer; Tommi T.Jaervi; Michael Moseler; Kai-Christian Moeller; Stefanie Dehnen;
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Fachbereich Chemie and Wissenschaftliches Zentrum fuer Materialwissenschaften (WZMW) Philipps-Universitaet Marburg Hans-Meerwein-Strasse, D-35032 Marburg, Germany;

Fachbereich Chemie and Wissenschaftliches Zentrum fuer Materialwissenschaften (WZMW) Philipps-Universitaet Marburg Hans-Meerwein-Strasse, D-35032 Marburg, Germany;

Fraunhofer-Institut fuer Silicatforschung ISC Neunerplatz 2, D-97082 Wuerzburg, Germany;

Fraunhofer-Institut fuer Werkstoffmechanik IWM Woehlerstrasse 11, D-79108 Freiburg, Germany;

Fraunhofer-Institut fuer Werkstoffmechanik IWM Woehlerstrasse 11, D-79108 Freiburg, Germany,Karlsruher Institut fuer Technologie Institut fuer Angewandte Materialien - Zuverlaessigkeit von Bauteilen und Systemen IAM-ZBS Engelbert-Arnold-Strasse 4, D-76131 Karlsruhe, Germany;

Fraunhofer-Institut fuer Werkstoffmechanik IWM Woehlerstrasse 11, D-79108 Freiburg, Germany;

Fraunhofer-Institut fuer Chemische Technologie ICT Joseph-von-Fraunhofer Strasse 7, D-76327 Pfinztal, Germany;

Fachbereich Chemie and Wissenschaftliches Zentrum fuer Materialwissenschaften (WZMW) Philipps-Universitaet Marburg Hans-Meerwein-Strasse, D-35032 Marburg, Germany;

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5. Electrochemical studies of lithium-ion battery anode materials in lithium-ion battery electrolytes. [D] . Zhao, Mingchuan. 2001

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Quaternary Diamond-Like Chalcogenidometalate Networks as Efficient Anode Material in Lithium-Ion Batteries

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