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US 2026/0293365 A1Published application
Conductive paste and solar cell
AssigneeTrina Solar Co., Ltd.
InventorsChengfa Liu, Dongyun Lv, Hong Chen
Life of this patent
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Abstract
A conductive paste and a solar cell. The conductive paste includes a conductive powder, a first glass frit, and a second glass frit. The first glass frit includes at least one of lead-containing glass and bismuth-containing glass. A glass transition temperature of the second glass frit is greater than 600°C. In the conductive paste, a weight percentage of the first glass frit ranges from 0.5% to 5%, and a weight percentage of the second glass frit ranges from 0.5% to 10%.
Claims20
A solar cell, comprising:
- a semiconductor substrate;
- an emitter arranged on a side of the semiconductor substrate;
- a passivation layer group arranged on the side of the emitter away from the semiconductor substrate;
- and
- a first electrode arranged on a side of the emitter away from the semiconductor substrate;
- wherein the first electrode includes:
- a body portion extending through part of the passivation layer group;
- and
- a plurality of connecting portions connected to the body portion and arranged on a side of the body portion adjacent to the emitter, the plurality of connecting portions being in contact with the emitter,
- wherein the passivation layer group is retained between adjacent connecting portions.
7 more elements
Dependencies are inferred from the claim text.