Modules & Upstream Manufacturing

According to a new report from the International Energy Agency (IEA), health risks from lead in crystalline silicon PV panels are one order of magnitude — or about one-tenth — below the risk levels set by the U.S. Environmental Protection Agency.

Scientists have developed a hybrid production method combining metal mesh and a metal-oxide layer over a glass substrate which they say brings down production cost by 80% compared to the tin-doped, indium oxide-based technology currently in use.

Scientists in India have used a pouch laminator to encapsulate a polycrystalline solar cell. The resulting device, the researchers claim, showed better UV photon absorption than solar cells treated with a polymer surface coating.

Acme Solar made headlines in 2018 when its offer to accept $0.0322354 per kilowatt-hour generated at a 600 MW solar farm planned in Rajasthan secured the project from federal body the Solar Energy Corporation of India. Now the developer wants to rip up the agreement, blaming Covid-19-related hold-ups.

Sveck, China’s top supplier of EVA films for PV modules, has revealed plans to list shares in Shenzhen. China Guangdong Nuclear Power Corp. has selected Longi and EGing to respectively supply 238 MW and 112 MW of panels for its projects, with Longi also announcing wafer price cuts. Jincheng Machinery, meanwhile, has started raising funds to develop a new production line.

The solar panel will be part of the half-cut-cell series recently launched by the Japanese manufacturer and the company claims it is ideal for rooftop PV projects with aesthetic requirements. The 19.0%-efficient product has a power output of 320 W.

Scientists in Japan have proposed a new model to estimate cell voltages in solar modules by irradiating the cells with a weak modulated laser light. The method could be used to detect hot spots and other panel-degradation issues, such as potential induced degradation (PID) peeling, cracking, and poor contacts.

The Chinese manufacturer has not revealed the price of its new ‘ultra-high power’ products, nor whether the power output claims associated with them have been independently verified, but claimed the 78-piece module in the series could generate ‘very close to 600 W.’

Backsheet manufacturer Tomark-Worthen LLC has developed a new polyamide backsheet under the U.S. Department of Energy’s Sunshot initiative. The product is based on a novel polyamide-ionomer alloy created by U.S. chemicals producer Dow. The alloy, as well as the other materials in the backsheet, are stabilized with a UV/anti-oxidant package that slows down the damaging effects of ultraviolet radiation. The manufacturer claims that the backsheet is 25-30% more affordable than high-efficiency fluoropolymer products.

In a world-first, perovskite solar cells developed by Australian scientists have passed a series of heat and humidity tests using a low-cost solution to overcome some of the challenges that are hindering the technology’s commercialization. The scientists did this by suppressing the decomposition of the perovskite cells using a simple, low-cost polymer-glass blanket.