Electrolyte of sodium ion battery, sodium ion battery and electronic equipment

The invention relates to an electrolyte of a sodium ion battery, the sodium ion battery and electronic equipment. The electrolyte comprises an organic solvent, conductive sodium salt and a first additive, and the structural formula of the first additive is shown in the specification. According to the scheme provided by the invention, the positive and negative electrode/electrolyte interface property can be improved, so that the cycle life of the sodium ion battery is prolonged, the high and low temperature discharge performance is improved, and the inflation of the battery is inhibited. 本申请涉及一种钠离子电池的电解液、钠离子电池及电子设备。该电解液包括：有机溶剂、导电钠盐和第一添加剂，其中，第一添加剂的结构式如文中所示。本申请提供的方案，能够改善正负极/电解液界面性质，从而提高钠离子电池的循环寿命、高低温放电性能和抑制电池的气胀。