Abstract
Lithium-ion batteries(LIBs) have been widely used in people's daily lives. At the same time, in the face of the growing demand for LIBs, the minable lithium mines on the earth are facing resource exhaustion. From the perspective of sustainable development, it is inevitable to seek new batteries. Sodium-ion batteries(SIBs) are attracting attention due to their rich resources and low cost, and are expected to be used in large-scale energy storage. In recent years, anode materials have made a lot of important progress as the key elements of SIBs. The research of anode materials is mainly concentrated on carbon-based materials, titanium-based materials, alloying materials, conversion materials, and organic materials. However, due to the large sodium ion radius, the large volume change of materials, and slow kinetics, the electrochemical performance of the materials is poor. This article systematically summarizes the latest research progress of these types of anode materials and discusses the main existing problems and the solution strategy and the prospect of the development of negative electrode materials.
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