正硅酸盐正极材料因其高理论容量、高安全性能、低成本及环境友好等优点，近几年引起研究者的广泛关注. 本文综述了国际上正硅酸盐材料最新研究进展.结合课题组在本领域的研究，着重从此类材料的合成方法、结构研究、电化学性能及反应机理研究等方面进行阐述. 综合分析正硅酸盐材料各种合成方法的优缺点、结构研究存在的争议以及性能和机理研究上的难点，并分析及展望今后研究中亟待解决的问题和未来可能的发展方向.

Rechargeable Li-ion batteries fulfilling high-energy density, high safety, environmental friendliness, and low cost are demanded urgently for energy storage systems. Besides the structure stability arising from the strong Si-O covalent bond, environmental benignancy and low cost from the characteristics of Fe, Mn, Si elementals, orthosilicates (Li2MSiO4) show promising prospect to meet the demand of high-energy density for its two available Li+ per formula unit. Motivated by these significant advantages, Li2MSiO4 have been intensively investigated in the past few years. In the present work, we gave a review on the progress of orthosilicate research including the materials synthesis, structure, electrochemical performances and mechanism study. In addition, some aspects of further research as well as the problems need to be paid attention to were proposed.