Solar-grade silicon -- used to create solar cells -- is energy intensive to produce, so creating slimmer cells and changing the surface design would make them cheaper and more environmentally friendly, the study notes. The study suggests the design principle could impact not only the solar cell or LED sector but also applications such as acoustic noise shields, wind break panels, anti-skid surfaces, biosensing applications and atomic cooling.
(Source: University of York, The Week, 27 Oct., 2020) Contact: University of York, Dr Christian Schuster, Department of Physics, +44 (0) 1904 320 000,
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The new modules feature a power class of up to 365 watts with a 21.1 pct module efficiency. With a better temperature coefficient, they also deliver a higher energy yield optimized for improved year-round performance. LG achieved the efficiency improvement by using larger wafers which reduce the white space between cells while keeping the traditional industry format of 60 cells for residential applications, according to the release. (Source: LG Business Solution,s PR, Website, Aug, 2020) Contact: LG, www.LG.com/solar
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The record-breaking mono-crystalline silicon solar cell was fabricated on a CZ mono-Si substrate with a practical size of 267.72cm2. Several advanced technologies have been implemented to achieve this new record of 24.79 pct, including passivating contact technologies, advanced diffusion system, surface passivation and advanced anti-reflection technologies, as well as material upgrades integrated into the cell process. The record-breaking mono-crystalline silicon solar cell will be gradually applied to product production, according to the release.
(Source: JinkoSolar, PR, July, 2020) Contact: JinkoSolar, www.jinkosolar.com; Institute for Solar Energy Research in Hamelin, +49 5151 999100, www.isfh.de
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The NREL scientists produced a six-junction solar cell, combining sandwiching multiple layers of materials that were fine-tuned to convert different portions of the light spectrum into electricity. While the layered solar cell design will almost certainly be cost prohibitive to produce at commercial scale compared to conventional silicon cells, it may find use in more niche applications, the NREL team said. Generally, the super high-efficiency solar cells are limited for use in spacecraft and satellites, where performance, space and weight are a premium. However, the researchers highlight that cells with such high conversion efficiencies would be ideally used in concentrated solar plants.
The researchers trialled their nearly 50 pct efficient solar cells with concentrated sunlight, producing the equivalent of 143 suns of solar intensity.
Using unconcentrated light, the six-junction solar cells were able to achieve a conversion efficiency of 39.2 pct, which was also a new world record.
(Source: NREL,PR, 14 April, 2020)
Contact: NREL, John Geisz, Research Scientist, 303-384-6474, John.Geisz@nrel.gov, www.enrel.gov
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To improve the efficiency of its mass-produced modules the company applied a newly developed anti-reflection coating (ARC) and advanced metallization technology alongside other proprietary technology and incorporated into the cell design, eliminating the inter-cell gapto ensure higher efficiency and reliability, according to a release.
According to its statement, JinkoSolar has an integrated annual capacity of 14.5 GW for silicon wafers, 9.2 GW for solar cells, and 15 GW for solar modules, as of September 30, 2019, according to the company. (Source: JinkoSolar, Mercom India, 21 Jan., 2020) Contact: Jinko Solar Holding Co. Ltd., Ripple Zhang, +86 21-5183 3105 email@example.com, www.jinkosolar.com
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Flexible CIGS solar modules are already commercially available, in particular from the EMPA spin-off Flisom AG in Niederhasli, Switzerland, which was co-founded by Dr. Ayodhya Tiwari. (Source: EMPA Laboratory, ChemEurope, 9 July, 2019) Contact: Empa Laboratory, Romain Carron, Head of CIGS Research, Dr. Ayodhya Tiwari, +41 58 765 11 11,
Fax +41 58 765 11 22, firstname.lastname@example.org, www.empa.ch; Filsom AG, +41 (0)44 824 3000, email@example.com, www.filsom.com
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Risen's five-busbar cell includes double-sided passivation, antireflective films, electro-injection passivation and slurry improvement. This is the first time that a cast-mono five-busbar cell has successfully exceeded 22 pct in efficiency.
Compared with the five-busbar cell, the multi-busbar monocrystalline cell features a more optimized metallized contact technology, which effectively reduces the shading area, enhances the ability to collect carriers while reducing the incidence of cracks, contributing to a significantly higher conversion efficiency. A further cost reduction is realized with decreased use of silver slurry. (Source: Risen Energy, May, 2019) Contact: Risen Energy, Tel：0086-574-59953588, www.risenenergy.com
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The record-breaking bifacial solar cell was fabricated on a 244.62 sq-cm wafer with a low-cost industrial process of advanced Industrial Tunnel Oxide Passivated Contact (i-TOPCon) technologies, having a front boron emitter and a rear full-area passivating contact. The bifacial solar cell reached a total-area front side efficiency of 24.58 pct, as independently confirmed by the ISFH CalTeC in Germany. (Source: Trina Solar, May, 2019) Contact: Trina Solar,
Jifan Gao, CEO, +86 519-8517-6878, firstname.lastname@example.org, www.trinasolar.com
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The developed n-PERT technology has a number of inherent advantages over p-type PERC cell technology, which is demonstrated in these newest cells: the potential for higher efficiencies because of lower sensitivity to metal impurities, and the absence of light-induced degradation (LID). Therefore, n-type PERT technology could become a cost-effective contender for -type PERC cells. To enable this, the current cells have a screen printed front grid and rear soldering pads which together amounts to less than 80mg of silver used per cell.
The bifacial n-PERT cells are expected to reach efficiencies above 23.5 pct, coupled to a bifaciality above 90 pct.
(Source: Imec, Jolywood, Printed Electronics, 9 April, 2019)Contact: Imec, email@example.com,
+32 16 28 12 11, www.imec-int.com/en/silicon-solar-cells-and-modules; Jolywood, en.jolywood.cn
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Hanergy's SHJ technology is used in ground power stations, distributed power arrays, vertical installation, fishery or agricultural complementary photovoltaic (PV) plants, building-integrated photovoltaics (BIPV) and mobile energy projects.
(Source: Hanergy, Renewables, Jan., 2019) Contact: Hanergy, +86 10 8391 4567, www.hanergy.com
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Solar Frontier was working with the New Energy and Industrial Technology Development Organization (NEDO) of Japan when it broke the previous 22.9 pct record which it set in November 2017. (Source: Solar Frontier, Renewables Now, 21 Jan., 2019) Contact: New Energy and Industrial Technology Development Organization, www.nedo.go.jp/english; Solar Frontier, www.solar-frontier.com/eng
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