Materials design of ionic conductors for solid state batteries

被引:191
作者
Ohno, Saneyuki [1 ,2 ]
Banik, Ananya [1 ,2 ]
Dewald, Georg F. [1 ,2 ]
Kraft, Marvin A. [1 ,2 ]
Krauskopf, Thorben [1 ,2 ]
Minafra, Nicolo [1 ,2 ]
Till, Paul [1 ,2 ]
Weiss, Manuel [1 ,2 ]
Zeier, Wolfgang G. [1 ,2 ]
机构
[1] Justus Liebig Univ Giessen, Inst Phys Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany
[2] Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany
来源
PROGRESS IN ENERGY | 2020年 / 2卷 / 02期
关键词
solid ionic conductors; solid electrolytes; solid state batteries; LITHIUM SUPERIONIC CONDUCTOR; NUCLEAR-MAGNETIC-RESONANCE; POWDER NEUTRON-DIFFRACTION; HIGH-TEMPERATURE PHASE; ARGYRODITES LI6PS5X X; P-31 MAS NMR; CRYSTAL-STRUCTURE; THIO-LISICON; LI METAL; TRANSPORT-PROPERTIES;
D O I
10.1088/2516-1083/ab73dd
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
All-solid-state batteries, employing inorganic ion conductors as electrolytes, can surpass the current Li-ion technology in terms of energy density, battery safety, specific power, as well as a fast-charging capability; however, a highly conductive solid electrolyte is essential. While recent extensive explorations of solid ion conductors have led to a list of candidate materials, there are still enormous variations of the ionic conductivity even within the same class of the materials, indicating the strong influence of structural modifications on the ion transport. In this review, besides revisiting general strategies of materials design for fast ion transport, we summarize the present state of affairs of promising classes of crystalline solid electrolytes, including a structural description and an overview of the observed static lattice effects alongside with open questions specific for the pertinent material classes. In the end, future directions and open questions to design and develop solid electrolytes, i.e. upcoming classes of materials, influence of lattice dynamics and inductive effects, the origin of energy landscape flattening, and the impact of synthesis routes are discussed. We hope this review provides a shape of the current status of the field of crystalline ion conductors.
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页数:35
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