Field testing exhibits the brand new Maxeon 7 IBC cells exhibit 70% decrease common temperature rise in partial shading in comparison with competing applied sciences
SINGAPORE, June 13, 2024 /PRNewswire/ — Maxeon Solar Technologies, Ltd. (NASDAQ: MAXN), a world chief in photo voltaic innovation and channels, extends its know-how management with revealed outcomes proving the sturdiness of its Maxeon Interdigitated Back Contact (IBC) panels in opposition to damaging that are hotspots. . Hotspots are concentrated areas of sizzling vitality that often consequence from shaded or cracked photo voltaic cells. In a white paper launched at the moment, the Company shared the outcomes of an inside analysis and improvement (R&D) examine on hotspots, with Maxeon IBC panels together with the brand new Maxeon 7 line, together with a collection of aggressive applied sciences consisting of a half-cell ribbon-based again. contact, half-cell heterojunction (HJT), and half-cell entrance contact tunnel oxide passivated contact (TOPCon) panels.
Maxeon IBC panels present photo voltaic prospects with safer, extra dependable vitality that minimizes the event of maximum hotspots that irreparably injury an ordinary panel. Maxeon’s resilience in opposition to hotspots builds on a protracted historical past of delivering the business’s most superior photo voltaic panels, optimizing the steadiness between product efficiency and reliability—a important consider being the one one which producer presents a complete 40-year guarantee on its panels.
Maxeon’s engineering crew performed the aggressive evaluation within the firm’s R&D check lab at California, USA. The panels had been first examined below full solar situations to find out the velocity and severity at which hotspots may kind whereas the photo voltaic cells had been then partially shaded—an working situation that forces the cells to start to transform the facility from the encircling cells into warmth vitality. Maxeon 7 IBC panels have been discovered to cut back the long-term threat of decay of the panel supplies by higher decreasing the warmth rise of the shaded cells—sustaining a mean of 67 °C (153 ° F) cooler than ribbon-based again contact, HJT and TOPCon applied sciences had been examined.
Additionally, when subjected to simulated bypass diode failure—the first protection mechanism of normal photo voltaic panels in opposition to hotspots—the Maxeon IBC cell’s patented electrical structure continues to restrict warmth build-up in shaded cells. As a consequence, Maxeon IBC panels are naturally protected against the extreme backsheet discoloration, cracking, and burning witnessed in normal ribbon-based again contact, HJT, and TOPCon backside panels. in the identical check situation. While competing applied sciences are quickly operating in direction of full panel failure, the Maxeon 7 IBC panels preserve a steady shaded cell temperature, even with out bypass diode safety.
“We have spent practically 40 years refining the patented cell and panel design of our proprietary Maxeon IBC panel know-how to maximise reliability and vitality manufacturing—each important elements in decreasing the levelized value of vitality (LCOE) for purchasers all over the world,” mentioned Matt Dawson, Maxeon’s Chief Technology Officer. “The hotspot stability of the Maxeon IBC panel is only one method we will contribute to a extra sustainable, extra sturdy panel that facilitates optimum lifetime vitality output for photo voltaic prospects. “
This sentiment is echoed by a current third-party examine analyzing the temperature-related results of shadow-induced hotspots, titled “The impact of partial shading on the reliability of photovoltaic modules within the built-environment.”
The examine discovered that based mostly on the traits of IBC cells, together with diode performance, uniform heating, and low breakdown voltage, IBC panels reminiscent of Maxeon 7 present extra favorable efficiency below partial shade in comparison with different modules. know-how reminiscent of PERC and HJT. While the examine didn’t take lengthy to look at the results of diode failure, it famous that IBC cell temperatures below partial shade remained a mean of 60 °C cooler in comparison with different panel applied sciences that confirmed hotspot temperatures above 150 °C—temperatures which might be sizzling sufficient. to induce degradation of encapsulants and backsheets.
Maxeon encourages the business to return to baseline reliability testing to reduce hotspot threat for purchasers. For instance, present IEC bypass diode testing is designed for early-life failure detection, not for longer-term breakdown of failures. Longer, greater temperature stress assessments that may precisely assess a panel’s means to soundly stand up to cell cracks and affordable ranges of area shading will guarantee safer and extra dependable merchandise. .
“Solar panel producers should proceed to pursue improved product design – know-how threat shouldn’t be borne by the client,” Dawson continued. “We consider that a lot of at the moment’s producers are sacrificing product reliability in pursuit of upper energy and effectivity. High-performance photo voltaic panels really improve buyer lifetime worth if they will match that efficiency. with low degradation and long-term reliability.”
Maxeon’s white paper, “Eliminating Solar Panel Hotspot Risk with Maxeon IBC Technology“see right here.
Maxeon will showcase its Maxeon 7 IBC photo voltaic panels, together with the entire portfolio of Maxeon and SunPower photo voltaic vitality options, at Intersolar Europe in Munich, Germany, June 19-21stand A.1350.
About Maxeon Solar Technologies
Maxeon Solar Technologies Ltd (NASDAQ: MAXN) is Powering Positive ChangeTM. Headquarters at Singapore, Maxeon makes use of greater than 35 years of photo voltaic vitality management and greater than 1,900 patents to design revolutionary and sustainably produced photo voltaic panels and vitality options for residential, business, and energy prospects. vegetation. Maxeon’s built-in residence vitality administration is a versatile ecosystem of services, constructed round award-winning Maxeon® and SunPower® model photo voltaic panels. With a community of greater than 1,700 trusted companions and distributors, and a couple of million prospects worldwide, the Company is a world chief in photo voltaic. For extra data, go to us at www.maxeon.com, on LinkedIn and on Twitter
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