CORE-SHELL NICKEL ALLOY COMPOSITE PARTICLE METALLIZATION LAYERS FOR SILICON SOLAR CELLS

摘要

Materials and methods for fabrication of rear tabbing, front busbar, and fine grid line layers for silicon based photovoltaic cells are disclosed. Materials include conductive metallization pastes that contain core-shell nickel based particles.

主权项

1. A metallization paste comprising:
a plurality of core-shell nickel particles, wherein each core-shell nickel particle comprises:
a nickel core; anda first shell surrounding the core, the first shell consisting of a nanocrystalline nickel boron alloy with 1-8 wt % boron; silver particles; and glass frit; wherein the core-shell nickel particles, the silver particles, and the glass frit are all mixed together in an organic vehicle.