Photovoltaic silver paste is an indispensable core component in solar cells, which directly limited the performance of solar cells by its quality. The series of properties improvement including conductivity, flexural resistance, adhesion and welding tension become an important development direction in the future. In this stage, the raw materials silver powder should demonstrate better dispersion and particle size uniformity, as well as the resin should possess better adhesion to provide good skeleton support. The core of excellent silver paste lies in the selection and allocation of formula raw materials. In recent years, the silver paste recipe exhibited short development cycle and renewal rate, which puts forward higher requirements for research. Therefore, this paper summarizes three main factors affecting the performance of silver paste, including: 1) the effect of silver powder on the performance; 2) influence of resin bonding relative properties; 3) the effect of solvent on the performance of silver paste. Meanwhile, the key technology of photovoltaic silver paste is expounded to provide some guidance for developing and optimizing the recipe of photovoltaic silver paste. |