Electrode slurry, preparation method and photovoltaic cell

The invention discloses electrode paste, a preparation method and a photovoltaic cell, relates to the technical field of solar cells, and aims to solve the problem of poor welding force between a main grid formed by the existing electrode paste and a welding strip welded in series with an assembly. The electrode paste comprises a silver conductive material and an auxiliary conductive material, the auxiliary conductive material contains a nickel element, the median particle size of the auxiliary conductive material is 5.0-10.0 [mu] m, the specific surface area is 0.2-0.8 m < 2 >/g, and the melting point of the auxiliary conductive material is greater than that of the silver conductive material. The preparation method is used for preparing the electrode slurry, and the photovoltaic cell uses the electrode slurry. The electrode slurry, the preparation method and the photovoltaic cell provided by the invention are used for improving the welding force between the main grid line and the welding strip for series wel