Title:
EMITTER, SELECTIVE EMITTER CELL PREPARATION METHOD AND SELECTIVE EMITTER CELL
Document Type and Number:
WIPO Patent Application WO/2023/072013
Kind Code:
A1
Abstract:
The present application provides an emitter, a selective emitter cell preparation method and a selective emitter cell. The preparation method for the selective emitter cell comprises: sequentially irradiating a boron-rich layer using lasers of at least two different wavelengths, and sequentially doping boron atoms in the boron-rich layer to the same region of a silicon wafer by means of a laser, to obtain the emitter.
Inventors:
LIU CHENGFA (CN)
CHEN YIQI (CN)
ZOU YANG (CN)
LIU ZHIYUAN (CN)
WANG YAO (CN)
CHEN DAMING (CN)
ZHANG XUELING (CN)
CHEN YIFENG (CN)
FENG ZHIQIANG (CN)
CHEN YIQI (CN)
ZOU YANG (CN)
LIU ZHIYUAN (CN)
WANG YAO (CN)
CHEN DAMING (CN)
ZHANG XUELING (CN)
CHEN YIFENG (CN)
FENG ZHIQIANG (CN)
Application Number:
PCT/CN2022/127190
Publication Date:
May 04, 2023
Filing Date:
October 25, 2022
Export Citation:
Assignee:
TRINA SOLAR CO LTD (CN)
International Classes:
H01L31/18
Foreign References:
| CN114975652A | 2022-08-30 | |||
| CN107482079A | 2017-12-15 | |||
| US20090227121A1 | 2009-09-10 | |||
| CN112670353A | 2021-04-16 | |||
| CN110880541A | 2020-03-13 | |||
| CN105405899A | 2016-03-16 | |||
| CN109817761A | 2019-05-28 | |||
| KR20110026612A | 2011-03-16 | |||
| CN202111238759A | 2021-10-25 | |||
| CN109742172A | 2019-05-10 | |||
| CN112670353A | 2021-04-16 | |||
| CN113035976A | 2021-06-25 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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