Edge coating apparatus and coating method for photovoltaic cell sheets
AssigneeSuzhou Sunwell New Energy Co., Ltd.
InventorsYu Yao, Zhongtian Li
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Abstract
Disclosed are an edge coating apparatus and method for a photovoltaic cell precursor. The edge coating apparatus includes a coating device. The coating device includes a coating wheel capable of rotation, and a feeding mechanism for supplying a coating material to the coating wheel. The coating wheel has an accommodating cavity for accommodating the coating material and a plurality of discharging channels communicating the accommodating cavity and an outer circumference surface of the coating wheel, and the plurality of discharging channels are circumferentially spaced apart.
Claims16
An edge coating apparatus for a photovoltaic cell precursor, comprising a coating device, the coating device comprising:
- a coating wheel capable of rotation;
- and
- a feeding mechanism for supplying a coating material to the coating wheel;
- wherein the coating wheel has an accommodating cavity for accommodating the coating material and a plurality of discharging channels communicating the accommodating cavity and an outer circumference surface of the coating wheel, and the plurality of discharging channels are circumferentially spaced apart.
An edge coating method for a photovoltaic cell precursor, comprising:
- driving a coating material to flow to an outer circumference surface of a coating wheel from an inner cavity thereof;
- and
- during rotation of the coating wheel, the coating material on the outer circumference surface of the coating wheel contacting a to-be-coated edge portion of a cell precursor, to realize edge coating of the cell precursor.
Dependencies are inferred from the claim text.