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Photovoltaic Cells Applications

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    pH value and conductivity measurement for power plants

    Growing populations – about 80 million every year – and industrializing countries create huge needs for electrical energy. According to the International Energy Agency (IEA) the global energy demand will increase by about 65% by 2035. A major fraction of the required energy will continue to be provided by thermal – mainly fossil fuel-fired and nuclear – power plants. "Renewable" energy sources such as photovoltaics (PV) will be another backbone of our energy supply. Putting renewable energy on the grid requires powerful energy storage and conversion devices, such as supercapacitors, batteries, or fuel cells.

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Chemical Analyzing in Photovoltaics for the Solar Power Industry

    In the earlier days, the chemistry involved in solar cell manufacturing was relatively simple, using commodity chemicals. With cell efficiencies continuously on the rise and new cell concepts slowly being introduced with increased speed of processing, precise chemical concentration control is becoming crucial to obtain consistency and more cost-effective manufacturing of solar panels. This is possible by monitoring on-line the etching bath composition, a small but genuine step forward in your competitive advantage.

    Typical parameters: NaOH – Si – HF – HNO3

    By AppliTek NV based in Nazareth, BELGIUM.

  • Evaporation technology for photovoltaic & microelectronics industries

    The manufacturing process of the cells that make up the photovoltaic systems and the printed circuits require water in quantity and high quality. This water has to be managed wisely so as not to affect the productivity and the expenses of the plant.

    By EVALED-Evaporator based in Zoppola (PN), ITALY.

  • Metrology for the photovoltaics industry

    Quality control to maximize efficiency is critical in the competitive photovoltaic industry. For some time solar texture has been thought to qualitatively affect solar cell efficiency. However, through large-area, 3D measurements and areal feature parameters, quantitative correlation of texture to efficiency has only recently been obtained. We now know that ISO 3D surface parameters linearly correlate with solar cell efficiency.

    By Bruker Corporation based in Billerica, MASSACHUSETTS (USA).

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