A5072860252- Photovoltaic System Optimization Techniques
- Silicon and Solar Cell Technologies
- solar cell performance optimization
- Thin-Film Transistor Technologies
- Engineering Applied Research
- Photovoltaic Systems and Sustainability
- Energy and Environmental Systems
- Solar Thermal and Photovoltaic Systems
- Solar Radiation and Photovoltaics
- Power Systems and Renewable Energy
- Industrial Vision Systems and Defect Detection
- Silicon Nanostructures and Photoluminescence
- Diverse Academic Research Analysis
- Extraction and Separation Processes
- Recycling and Waste Management Techniques
- Advancements in Battery Materials
- Electronic Packaging and Soldering Technologies
- Building Energy and Comfort Optimization
- Nanowire Synthesis and Applications
- Semiconductor materials and interfaces
- Induction Heating and Inverter Technology
- Semiconductor materials and devices
- Advanced Battery Technologies Research
- Internet of Things and Social Network Interactions
- Advanced DC-DC Converters
Korea Institute of Energy Research
2015-2024
Chungnam National University
2015-2021
Silla University
2014-2017
Pohang Iron and Steel (South Korea)
2017
Konkuk University Medical Center
2014
Pukyong National University
2013
Korea Advanced Institute of Science and Technology
2011
Changwon National University
2004
Abstract This study presents an effective method for recovering unbroken solar cells from photovoltaic (PV) modules. The combustion process is at removing ethylene vinyl acetate (EVA) in PV However, the cell tends to break during process. We verify that breakage mechanisms of module are related thermal changes EVA heat treatment process, is, generated gases form bubbles behind glass, and deformation rear applies stress cell. investigates simple pretreatments glass cracking patterning prevent...
In this paper, the problems of PV arrays under partial shading and a short circuit failure bypass diode were analyzed with modeling mathematical equation by using simulation, electrical thermal characteristics in an outdoor module which fabricated assuming real array. The simulation model shows mismatch current due to is proportional number fault diodes parallel strings arrays. From results field experiment, reverse did not flow into mismatching string regardless system operation status, but...
Bypass diodes have been widely utilized in crystalline silicon (c-Si) photovoltaic (PV) modules to maximize the output of a PV module array under partially shaded conditions. A Schottky diode is used as bypass c-Si due its low operating voltage. In this work, we systematically investigated origin faults operated outdoors. The temperature inner junction box where installed increases ambient increases. Its rises over 70 °C on sunny days summer. As from 25 °C, leakage current up 35 times...
Generally, economical recycling processes based on physical methods for of photovoltaic (PV) modules include crushing or milling steps, accompanied by impurity contamination during the silicon (Si) recovery process PV modules. Previous studies have deal with metals, which can be treated relatively easily further etching steps. However, titanium dioxide (TiO2) from backsheet separation has not been considered. In particular, subsequent chemical treatments is hard to remove TiO2 nanoparticles....
We present electrowinning of silver (Ag) from crystalline silicon (c-Si) solar cells using a solution methanesulfonic acid (MSA) as the electrolyte. Ag dissolved effectively in MSA because its high solubility MSA; however, electrochemical recovery solutions was found to be inefficient low mobility ions MSA, owing viscosity. Therefore, we decreased viscosity by adding deionized (DI) water, possible method for enhancing ions. The concentrations added DI water were 0, 1.1, 5.0, 9.3, and 20.8 M,...
Methanesulfonic acid (MSA) is used to recover silver (Ag) from solar cells by adding an oxidizing agent. It possible regenerate substituting of H+ for Ag+, and thus it can be reused additional reactions. However, MSA highly hygroscopic, as agent easily decompose in the acidic environment during Ag extraction, leading dilution due formation H2O. This H2O solution hinders extraction. In this study, we present a fractional distillation process restoring reactivity solutions reducing content....
Abstract The epoch of flexible electronics demands new measures to interconnect electronic components and circuits under mechanical deformations such as bending, rolling, folding, even stretching. Although liquid metal has been proposed an alternative solid‐state solder alloys conductive adhesives, its corrosive nature rapidly deteriorates the electrical structural integrity metallic interconnects remained arduous challenge. A facile solution‐processable method construct a electrically...
In the potential induced degradation (PID) phenomenon, output power of a photovoltaic (PV) module decreases due to high difference between PV system and ground. This voltage forcefully moves positive charge in surface solar cell. The accumulated leads performance deterioration module, namely, PID module. We conducted study accurately predict reduction operating various installation conditions coming from phenomenon. investigated leakage current flowing through front glass laminated with...
PV module is conventionally connected in series with some solar cell to adjust the output of module.Some bypass diodes are installed prevent from hot spot and mismatch power loss.However, diode exposed outdoor easily damaged by surge voltage.In this paper, we study thermal electrical characteristics change find photovoltaic system consisting many modules.Firstly, temperature measured according forward reverse bias current flowing through diode.The maximum surface applied higher than that...