Transactions of Nanjing University of Aeronautics & Astronautics
Materials for Energy Storage and Conversion in Aerospace
Interfacial Issues of All Solid State Lithium Batteries
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Abstract:
All solid state lithium battery is a promising next-generation battery system with improved cycle life, energy density, especially safety. However, its development is greatly hampered by a large impedance between the solid state electrolyte/electrode interface. How to build an ideal electrolyte/electrode interface to improve the interfacial stability and reduce the interfacial resistance is a huge challenge for improving battery performance. This paper reviews interfacial problems and introduces the formation mechanism of different interface layers between electrodes and electrolytes. In addition, the strategies for improving interfacial contact and reducing interfacial resistance are described in detail. Finally, the research directions for engineering interfaces in all solid state lithium batteries are proposed.
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