A electrode Arrangement for PV panels that are shingled

• Researchers in Korea have suggested a layout for bonding and dividing that's believed to provide increased efficiency. The number of palms optimized to five cells for branch has been 171 and 128. Five provide power conversion efficiency of 17.346percentage and three 16.855%.

Researchers in South & rsquo Korea;s Sungkyunkwan University have introduced a brand-new electrode design for bonding and dividing that is related to shingled PV modules.

The layout was used to make an structure together with the cells bonded through glue and analyzed in a simulation.

“The simulation results indicated that increases in the number of cells diminished the number of fingers demonstrating the efficacy,&rdquo.

Fewer palms, greater efficacy

The number of palms optimized for branch had been 128 with 171 into three fingers. Five hands allegedly offered energy conversion efficiency of 17.346percent and 3, 16.855%.

“The energy loss caused by the emitter resistance decreases with regard to the number of fingers, since the carrier photo-generated at the active cell area flows via a briefer distance to every finger,” the investigators said in the newspaper Style of some solar cell electrode to acquire a shingled photovoltaic module application, published in Applied Surface Science and on the ScienceDirect site.

The newspaper also claims the number of fingers showing efficiency corresponded to 120 to find 142 and branch . “because decrease due to the finger sculpting was dominant compared decrease, & rdquo; additional the machine developers, However, the efficacy diminished.

Real-cell analyzing

Polycrystalline solar cells based on 6in blue wafer p type material, and demonstrating 100 palms were produced from the analysis team to compare simulation results. Onto a wafer utilizing display printer and a mesh mask, the layout has been printed At the metallization stage. Front and back electrodes sintered along with were fired using the electrode as well as rapid thermal processing was formed through contact. The laser and a scan speed of 1300mm/s and a frequency of a frequency of 30, and 50 kHz corresponded to 10 W,.

“We analyzed the features and got results that were like those of the simulation,” the newspaper noted, including the traits were analyzed before and after branch and bonding.

Potential

High-density shingled panels possess rooftop PV potential that is strong. They feature a structure that is busbar-free in. The cells are bonded to produce and the following strips are connected via a glue. The amount of busbars reduces shadowing losses.

No soldering -- a source of strain and micro-cracks is also required by modules.