Title:
SOLAR CELL SUBSTRATE AND SOLAR CELL COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/080093
Kind Code:
A1
Abstract:
The present invention provides a solar cell substrate having an electrode provided on the upper part of the substrate, wherein the electrode is formed by sintering: a lower printed layer formed by being printed with a conductive paste comprising a first metal powder and a first glass frit; and an upper printed layer formed by being printed on the upper part of the lower printed layer with a conductive paste comprising a second metal powder and a second glass frit, wherein an average particle diameter (D50) of the second metal powder is smaller than an average particle diameter (D50) of the first metal powder, and a glass transition temperature of the second glass frit is higher than a glass transition temperature of the first glass frit.
Inventors:
KIM IN CHUL (KR)
KO MIN SOO (KR)
KIM CHUNG HO (KR)
NOH HWA YOUNG (KR)
JANG MUN SEOK (KR)
JUN TAE HYUN (KR)
KO MIN SOO (KR)
KIM CHUNG HO (KR)
NOH HWA YOUNG (KR)
JANG MUN SEOK (KR)
JUN TAE HYUN (KR)
Application Number:
PCT/KR2017/011509
Publication Date:
May 03, 2018
Filing Date:
October 18, 2017
Export Citation:
Assignee:
LS NIKKO COPPER INC (KR)
International Classes:
H01L31/0248; H01L31/0216; H01L31/0224; H01L31/04; H01L31/18
Foreign References:
| KR20090049588A | 2009-05-18 | |||
| KR20140069114A | 2014-06-09 | |||
| KR20110077731A | 2011-07-07 | |||
| US20130273687A1 | 2013-10-17 | |||
| KR20110138649A | 2011-12-28 |
Attorney, Agent or Firm:
TW INTERNATIONAL PATENT AND LAWFIRM (KR)
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