CN-122003970-A - Solar cell manufacturing apparatus and solar cell manufacturing method

Abstract

The solar cell manufacturing apparatus according to an embodiment of the present invention includes a base unit that conveys and supports a carrier on which a solar cell is mounted, and a curing unit that is disposed on an upper portion of the base unit and is formed to have a hollow portion having an open lower portion to cover a portion of the upper portion of the base unit. The base unit includes a first heater disposed on the upper surface portion. The curing unit includes a second heater disposed on the inner top portion. The stage on which the solar cell is disposed is transferred between the first heater and the second heater, and the first length of the first heater may be longer than the second length of the second heater.

Inventors

• Zheng Minjiao
• BAI DONGXIAN
• Quan Shengkui
• Ding Dongzhen

Assignees

• 韩华思路信株式会社

Dates

Publication Date

20260508

Application Date

20241112

Priority Date

20231011

Claims (14)

1. 1. A solar cell manufacturing apparatus comprising: a base that conveys a stage on which a solar cell is mounted while supporting the stage, and A curing unit disposed above the base and formed to have a hollow space opened at a lower side thereof to partially cover an upper side of the base, Wherein the base includes a first heater provided on an upper surface of the base, The curing unit includes a second heater disposed on an inner roof of the curing unit, The stage having the solar cell mounted thereon is transported between the first heater and the second heater, and The first length of the first heater is longer than the second length of the second heater, Each of the first length and the second length is a length in a first direction corresponding to a conveying direction of the solar cell.
2. 2. The solar cell manufacturing apparatus according to claim 1, wherein The base includes: a curing zone in which curing treatment is performed with the solar cell mounted on the carrier, and A preheating zone in which the carrier on which the solar cells are mounted is preheated before entering the curing zone, The first heater is arranged in the curing zone and the preheating zone, and The second heater is disposed in the curing zone.
3. 3. The solar cell manufacturing apparatus according to claim 2, wherein The base further includes an exit zone to which the stage with solar cells disposed thereon is transported from the curing zone, and The first heater is disposed in the curing zone, the preheating zone, and the exit zone.
4. 4. The solar cell manufacturing apparatus according to claim 2, wherein The preheating zone has a width corresponding to the width of the carrier.
5. 5. The solar cell manufacturing apparatus according to claim 2, wherein The base further includes a solar cell mounting region in which the solar cell is mounted on the carrier, The solar cell arrangement region has a width corresponding to a width of the stage and is spaced apart from the preheating region by a first distance.
6. 6. The solar cell manufacturing apparatus according to claim 5, wherein The base further includes a jig fixing section in which an upper surface of the solar cell mounted on the stage is fixed to the stage by a jig, The clamp fixing region has a width corresponding to a width of the stage, and is disposed between the preheating region and the solar cell mounting region.
7. 7. The solar cell manufacturing apparatus according to claim 5, wherein The base further includes a stage supply area in which the stage is supplied to the base, The stage supply area is connected to the solar cell mounting area, and In the stage supply region, a stage feeder supplies the stage to the stage supply region while being lifted or lowered.
8. 8. The solar cell manufacturing apparatus according to claim 7, wherein The base further includes a wire supply region in which wires are supplied to the stage supply region and the solar cell mounting region, The wire supply area is provided with a wire feeder to supply the wire to the stage in the stage supply area.
9. 9. The solar cell manufacturing apparatus according to claim 1, wherein The first heater is disposed at a position facing the lower surface of the solar cell to cure the lower surface of the solar cell, and The second heater is disposed at a position facing the upper surface of the solar cell to cure the upper surface of the solar cell.
10. 10. A method of manufacturing a solar cell, comprising: Supplying the carrier to a solar cell manufacturing apparatus; Feeding a wire onto the carrier; Supplying a solar cell and a jig onto the stage to which the lead is supplied; Preheating the solar cell and the clamp on the carrier; Curing the solar cell and the jig on the carrier, and And detaching the solar cell.
11. 11. The solar cell manufacturing method according to claim 10, wherein the solar cell manufacturing apparatus comprises: a base that conveys the carrier while supporting the carrier, and includes a first heater provided on an upper surface of the base, and A curing unit including a second heater, The carrier is transported between the first heater and the second heater, The solar cell and the jig are preheated by the first heater in the preheating step, and The solar cell and the jig are cured by the first heater and the second heater in the curing step.
12. 12. The solar cell manufacturing method according to claim 10, further comprising: After the curing step, post-heating the solar cell and the fixture on the carrier.
13. 13. The solar cell manufacturing method according to claim 10, further comprising: the clamp is recovered after the post-heating step.
14. 14. The solar cell manufacturing method according to claim 10, further comprising: The stage is recovered after the post-heating step.

Description

Solar cell manufacturing apparatus and solar cell manufacturing method Technical Field Embodiments of the present invention relate to a solar cell manufacturing apparatus and a solar cell manufacturing method. Background The solar cell is formed by providing a diode having a p-n junction on a substrate. When sunlight reaches the solar cell, the solar cell generates excitons, i.e., electron-hole pairs, and the excitons are split into electrons and holes, which migrate to the n-layer and the p-layer, respectively, thereby generating photovoltaic power across the p-n junction. Lapping refers to the process of forming a single solar cell module by placing wires on the solar cells to electrically connect the plurality of solar cells to each other. Here, the process of bonding the solar cell and the wire includes applying a conductive adhesive (ECA) to a surface of the solar cell and bonding the wire to the solar cell. The process of bonding a solar cell to a wire using a conductive adhesive is a next generation process for manufacturing a solar cell, and various researches have been made on specific embodiments thereof. Disclosure of Invention [ Technical problem ] The invention aims to provide a solar cell manufacturing device and a solar cell manufacturing method comprising a process of bonding a solar cell and a wire by using an adhesive. The above objects are provided by way of example and the present invention is not limited thereto. [ Technical solution ] 1. One aspect of the present invention relates to a solar cell manufacturing apparatus. The solar cell manufacturing apparatus includes a base that conveys a stage on which a solar cell is placed while supporting the stage, and a curing unit that is disposed above the base and formed to have a hollow space opened at a lower side of the curing unit to partially cover an upper side of the base, wherein the base includes a first heater disposed on an upper surface thereof, the curing unit includes a second heater disposed on an inner ceiling of the curing unit, the stage on which the solar cell is placed is conveyed between the first heater and the second heater, and a first length of the first heater is longer than a second length of the second heater, each of the first length and the second length being a length in a first direction corresponding to a conveyance direction of the solar cell. 2. In embodiment 1, the base may include a curing zone in which curing treatment is performed with the solar cell mounted on the stage, and a preheating zone in which the stage on which the solar cell is mounted is preheated before entering the curing zone, and the first heater may be disposed in the curing zone and the preheating zone, and the second heater may be disposed in the curing zone. 3. In embodiment 2, the base may further include an outlet region to which the stage on which the solar cell is placed is transported from the curing region, and the first heater may be disposed in the curing region, the preheating region, and the outlet region. 4. In embodiment 2, the preheating zone may have a width corresponding to the width of the stage. 5. In embodiment 2, the base may further include a solar cell seating region in which the solar cell is seated on the stage, and the solar cell seating region may have a width corresponding to the width of the stage and may be spaced apart from the preheating region by a first distance. 6. In embodiment 5, the base may further include a jig fixing section in which an upper surface of the solar cell mounted on the stage is fixed to the stage by a jig, the jig fixing section having a width corresponding to a width of the stage and being disposed between the preheating section and the solar cell mounting section. 7. In embodiment 5, the base may further include a stage supply region in which a stage is supplied to the base, the stage supply region being connected to the solar cell arrangement region, and in which a stage feeder may supply the stage to the stage supply region while being lifted or lowered. 8. In embodiment 7, the base may further include a wire supply region in which wires are supplied to the stage supply region and the solar cell mounting region, the wire supply region being provided with a wire feeder to supply the wires to the stage in the stage supply region. 9. In embodiment 1, the first heater may be disposed at a position facing the lower surface of the solar cell to cure the lower surface of the solar cell, and the second heater may be disposed at a position facing the upper surface of the solar cell to cure the upper surface of the solar cell. 10. Another aspect of the invention relates to a method of manufacturing a solar cell. The solar cell manufacturing method includes supplying a stage to a solar cell manufacturing apparatus, supplying a lead to the stage, supplying a solar cell and a jig to the stage to which the lead is supplied, preheating the solar cell and the jig on the stage, curing the solar