The Surface Coating Robot for Space Solar Cell Array Assembly

2008 ◽  
Vol 373-374 ◽  
pp. 774-777 ◽  
Author(s):  
Zhuang Fu ◽  
W.X. Yan ◽  
Y.Z. Zhao
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Surface Coating ◽  
Adhesive Layer ◽  
Automatic Process ◽  
Cell Array ◽  
Cell Arrays ◽  
The Relationship ◽  
Space Solar Cell

At present, adhesive coating is by far the most widely used technique in the space panel manufacturing. The automatic process level is essential for improving the quality and efficiency of the space solar cell array assembly. In this study, the surface coating model for adhesive dispensing on the space solar cells is obtained, which describes the relationship between the thickness of the adhesive layer on the solar cell, the moving speed of the syringe and the differential pressure. Then the structure of the surface coating robot is presented for the space solar cell arrays assembly. The experimental results have showed that the surface coating robot can greatly improve the efficiency and quality of the space solar cells array assembly. The adhesive no longer outflows and stains the solar cells and the panel. This robot is useful to protect the environment and keep workers away from the poisonous chemicals. Instead of the manual work in space solar cell arrays assembly, the application of the surface coating robot will enhance the development of space industry.

Auto-bonding robot for space solar cells

Robotica ◽  
2005 ◽  
Vol 23 (5) ◽  
pp. 561-565 ◽  
Author(s):  
Zhuang Fu ◽  
Yanzheng Zhao ◽  
Qinghua Yang ◽  
Qixin Cao ◽  
Mingbo Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Control System ◽  
Adhesive Layer ◽  
Bonding Process ◽  
Experimental Comparison ◽  
Air Bubbles ◽  
The Novel ◽  
Cover Glass ◽  
Bonding Quality ◽  
Space Solar Cell

An auto-bonding robot (ABR) that consists of the mechanism of adhesive dispensing and auto-bonding, a pneumatic system and a control system, is presented in this paper. It is designed for the bonding operation of cover-glasses and space solar cells using adhesives. An adhesive dispensing method is proposed to control the thickness and position of the adhesive layer on solar cells and to provide a satisfactory bonding accuracy. The bubble-free bonding process is realized by the leaning mechanism of a pneumatic sucker. Experimental comparison of the manual and automatic bonding methods showed that there are no fragment and air bubbles between the cover-glass and the space solar cell, and no outflow adhesive on the surface by the automatic bonding process in a non-vacuum condition. The novel automatic bonding robot greatly improved the lightweight space solar cells bonding quality and production rate.

Photo-induced dynamic processes in perovskite solar cells: the influence of perovskite composition in the charge extraction and the carrier recombination

Nanoscale ◽  
2018 ◽  
Vol 10 (13) ◽  
pp. 6155-6158 ◽  
Author(s):  
Núria F. Montcada ◽  
Maria Méndez ◽  
Kyung Taek Cho ◽  
Mohammad Khaja Nazeeruddin ◽  
Emilio Palomares
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Perovskite Solar Cells ◽  
Dynamic Processes ◽  
Solar Cell Efficiency ◽  
Cell Efficiency ◽  
Carrier Recombination ◽  
Induced Charge ◽  
Charge Extraction ◽  
The Relationship

We describe how the use of photo-induced charge extraction technique can be useful to study and understand the relationship between perovskite composition, ion reorganization process and solar cell efficiency.

Flexible space solar cell array with radiation shield fabricated by guided-printing of cover glasses

2017 ◽  
Vol 169 ◽  
pp. 210-214 ◽  
Author(s):  
Pyo Kwak ◽  
Namyun Kim ◽  
Juho Kim ◽  
Dahye Kim ◽  
Kwangsun Song ◽  
...  
Keyword(s):  
Solar Cell ◽  
Radiation Shield ◽  
Cell Array ◽  
Space Solar Cell

Relationship Between Minority Carrier Parameters and Solar Cell Characteristics of Electromagnetic Cast Polycrystalline Silicon

1993 ◽  
Vol 324 ◽  
Author(s):  
Eiichi Suzuki ◽  
Kyojiro Kaneko ◽  
Toru Nunoi
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Polycrystalline Silicon ◽  
High Efficiency ◽  
Carrier Lifetime ◽  
Minority Carrier ◽  
Small Variation ◽  
Minority Carrier Lifetime ◽  
The Relationship ◽  
And Diffusion

AbstractThe relationship between minority carrier properties and solar cell characteristics of electromagnetic (EM) cast polycrystalline Si has experimentally been investigated. The minority carrier lifetime τ and diffusion coefficient D were evaluated by a novel dual mercury probe method. The solar cell characteristics, e.g., a conversion efficiency η were measured by fabricating experimental solar cells using the corresponding wafers. The wafer showing high-η (13.1%) has relatively high τ (av. 8.2 μs) with small variation of I) (av. 29.6 cm2/s). On the contrary, the low-η (11%) wafer shows low τ (av. 1.1 μs), including some inferior portions with very low τ of less than 0.5 μs. It is also shown that D drastically deteriorates with decreasing τ if τ is less than around 2 μs. To realize high efficiency polycrystalline solar cells, the wafers with high value of τ and without considerably low-τ portions are needed.

scholarly journals An Overview of Photovoltaic Power Systems

1979 ◽  
Author(s):  
C. E. Backus
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Power Systems ◽  
Low Cost ◽  
Development Program ◽  
The United States ◽  
Cell Arrays ◽  
Output Concentration ◽  
The Cost ◽  
Multiple Cells

The United States is supporting a very aggressive research and development program in the field of photovoltaics. The goals of this program are to reduce the cost of solar cell arrays to a capital cost of 50¢/peak watt by the year 1986. The long-term goals are to achieve 10 to 30¢/peak watt by 1990 or 2000. The photovoltaic community is optimistic that the 1986 goals will be met with the use of silicon solar cells. The longer term goal may require the development of new thin film photovoltaic devices. As the price of solar cell arrays continues to decrease; the number of applications that are economically justified increases. The present production rates of photovoltaic arrays are close to 1 MW of production per year. The maximum expected efficiencies of 20 to 25 percent have already been achieved. Thus, cost reduction must come about through producing cells per unit area more cheaply. A separate alternative for producing low cost electricity from solar cells is to concentrate sunlight onto the cell, thus reducing the area of the cell per unit electrical output. Concentration systems also make available the option of using multiple cells to increase the overall conversion of sunlight to electricity. One two-cell concentration system has already demonstrated 28.5 percent efficiency.

scholarly journals Strain-testing research of space solar cell array

2021 ◽  
Vol 70 (19) ◽  
pp. 198801-198801
Author(s):  
Yin Mao-Shu ◽  
◽  
Yang Guang ◽  
Wang Xun-Chun ◽  
Fan Bin ◽  
...  
Keyword(s):  
Solar Cell ◽  
Cell Array ◽  
Strain Testing ◽  
Space Solar Cell

scholarly journals Analysis of the Bowing Phenomenon for Thin c-Si Solar Cells using Partially Processed c-Si Solar Cells

Energies ◽  
2019 ◽  
Vol 12 (9) ◽  
pp. 1593 ◽  
Author(s):  
Jong Rok Lim ◽  
Sihan Kim ◽  
Hyung-Keun Ahn ◽  
Hee-Eun Song ◽  
Gi Hwan Kang
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Firing Process ◽  
Back Side ◽  
Front Side ◽  
Front Electrode ◽  
Si Solar Cell ◽  
Si Solar Cells ◽  
Wafer Thickness ◽  
The Relationship

The silicon wafers for solar cells on which the paste is deposited experience a bowing phenomenon. The thickness of commonly used c-Si wafers is 180 μm or more. When fabricating c-Si solar cells with this wafer thickness, the bowing value is 3 mm or less and the problem does not occur. However, for the thin c-Si solar cells which are being studied recently, the output reduction due to failure during manufacture and cracking are attributed to bowing. In generally, it is known that the bowing phenomenon arises mainly from the paste applied to the back side electrode of c-Si solar cells and the effects of SiNx (silicon nitride) and the paste on the front side are not considered significant. The bowing phenomenon is caused by a difference in the coefficient of expansion between heterogeneous materials, there is the effect of bowing on the front electrode and ARC. In this paper, a partially processed c-Si solar cell was fabricated and a bowing phenomenon variation according to the wafer thicknesses was confirmed. As a result of the experiment, the measured bow value after the firing process suggests that the paste on the front-side indicates a direction different from that of the back-side paste. The bow value increases when Al paste is deposited on SiNx. The fabricated c-Si solar cell was analyzed on basis of the correlation between the bowing phenomenon of the materials and the c-Si wafer using Stoney’s equation, which is capable of analyzing the relationship between bowing and stress. As a result, the bowing phenomenon of the c-Si solar cell estimated through the experiment that the back side electrode is the important element, but also the front electrode and ARC influence the bowing phenomenon when fabricating c-Si solar cells using thin c-Si wafers.

3D-printing Ag-line of front-electrodes with optimized size and interface to enhance performance of Si solar cells

RSC Advances ◽  
2016 ◽  
Vol 6 (57) ◽  
pp. 51871-51876 ◽  
Author(s):  
Yi Jiang ◽  
Yibo Chen ◽  
Mingjian Zhang ◽  
Yang Qiu ◽  
Yuan Lin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
3D Printing ◽  
Power Conversion Efficiency ◽  
Line Width ◽  
Power Conversion ◽  
Front Electrode ◽  
Si Solar Cell ◽  
Si Solar Cells

The power conversion efficiency (PCE) of a Si solar cell strongly depends on the line width (LW) of the Ag front electrode lines and the quality of the Ag/Si interface (ASI).

Surface modification of a hole transporting layer for an efficient perovskite solar cell with an enhanced fill factor and stability

2018 ◽  
Vol 3 (5) ◽  
pp. 717-722 ◽  
Author(s):  
Mohammad Mahdi Tavakoli ◽  
Rouhollah Tavakoli ◽  
Daniel Prochowicz ◽  
Pankaj Yadav ◽  
Michael Saliba
Keyword(s):  
Surface Modification ◽  
Solar Cells ◽  
Solar Cell ◽  
Fill Factor ◽  
Perovskite Solar Cells ◽  
Perovskite Solar Cell ◽  
Highly Efficient ◽  
Hole Transporting

The improvement of the quality of the hole transporting layer (HTL) plays a key role in the fabrication of highly efficient and stable perovskite solar cells (PSCs).

Sign in / Sign up

Export Citation Format

Share Document