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http://dx.doi.org/10.4313/JKEM.2014.27.4.209

The Analysis on the Effect of Improving Aspect Ratio and Electrode Spacing of the Crystalline Silicon Solar Cell  

Kim, Min Young (Department of Electronic Engineering, Korea National University of Transportation)
Park, Ju-Eok (Engineering of Engineer, McScience Inc.)
Cho, Hae Sung (Department of Electronic Engineering, Korea National University of Transportation)
Kim, Dae Sung (Department of IT Convergence, Korea National University of Transportation)
Byeo, Seong Kyun (Department of IT Convergence, Korea National University of Transportation)
Lim, Donggun (Department of Electronic Engineering, Korea National University of Transportation)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.27, no.4, 2014 , pp. 209-216 More about this Journal
Abstract
The screen printed technique is one of the electrode forming technologies for crystalline silicon solar cell. It has the advantage that can raise the production efficiency due to simple process. The electrode technology is the core process because the electrode feature is given a substantial factor (for solar cell efficiency). In this paper, we tried to change conditions such as squeegee angle $55{\sim}75^{\circ}$, snap off 0.5~1.75 mm, printing pressure 0.6~0.3 MPa and 1.6~2.0 mm finger spacing. As a result, the screen printing process showed an improved performance with an increased height higher finger height. Optimization of fabrication process has achieved 17.48% efficiency at screen mesh of 1.6 mm finger spacing.
Keywords
Solar cell; Screen printing; Co-firing; Paste; Mesh; Metalization;
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