Wire-based metallization and stringing for solar cells

US11901470B2 · kind B2 · utility

Assignee

• Maxeon Solar Pte. Ltd. · SG

Inventors

• Richard Hamilton Sewell · Los Altos, US
• Matthieu Minault Reich · San Jose, US
• Andrea R. Bowring · Mountain View, US
• Arbaz Shakir · Santa Clara, US
• Ryan Reagan · Hayward, US
• Matthew T. Matsumoto · Pasadena, US

Key dates

• Filing date: Sep 25, 2020
• Grant date: Feb 13, 2024
• Expiry date: Aug 13, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/50

Abstract

Wire-based metallization and stringing techniques for solar cells, and the resulting solar cells, modules, and equipment, are described. In an example, a string of solar cells includes a plurality of back-contact solar cells, wherein each of the plurality of back-contact solar cells includes P-type and N-type doped diffusion regions. A plurality of conductive wires is disposed over a back surface of each of the plurality of solar cells, wherein each of the plurality of conductive wires is substantially parallel to the P-type and N-type doped diffusion regions of each of the plurality of solar cells. One or more of the plurality of conductive wires adjoins a pair of adjacent solar cells of the plurality of solar cells and has a relief feature between the pair of adjacent solar cells.