Table 1
Overview of samples and module tests. In “Cell arrangement” column, each “<” or “>” represents a solar cell, with the arrow pointing towards the edge without laser groove. For example, the conventional arrangement for 3 half‑cells in a string is “<<<”. Wirelength “Short” refers to the interconnect wires reaching to the last solder pad, while wirelength “Long” refers to interconnect wires reaching close to the cell edge.
| Sample label | Cell arrangement in the string | Number of half cells | Wire length | Wire curvature | Wire end form | Max. set pressure during lamination [Pa] | Max. set temp. during lamination [°C] |
|---|---|---|---|---|---|---|---|
| O1 | ><> | 3 | Short | Curved | Round | 1 × 105 | 155 |
| O2 | ><> | 3 | Long | Curved | Round | 1 × 105 | 155 |
| P1 | <<< | 3 | Short | Straight | Round | 1 × 104 | 125 |
| <<< | 3 | Short | Straight | Round | 3 × 104 | 135 | |
| <<< | 3 | Short | Straight | Round | 5 × 104 | 145 | |
| <<< | 3 | Short | Straight | Round | 7 × 104 | 150 | |
| <<< | 3 | Short | Straight | Round | 9 × 104 | 155 | |
| <<< | 3 | Short | Straight | Round | 1 × 105 | 155 | |
| G1 | <<< | 3 | Long | Curved | Round | 8 × 104 | 155 |
| G2 | <<< | 3 | Short | Curved | Elliptic | 8 × 104 | 155 |
| G3 | <<< | 3 | Short | Curved | Round | 7 × 104 | 150 |
| G4 | <<< | 3 | Short | Straight | Round | 7 × 104 | 150 |
| G5 | <<<<<<<<< | 10 | Long | Straight | Elliptic | 8 × 104 | 155 |
| G6 | <<<<<<< | 7 | Short | Straight | Elliptic | 8 × 104 | 155 |
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