Research

Why can’t LID effects be completely removed in PERC cells?

Jay Lin, CEO of PVGuider discusses why the effects of light induced degradation (LID) in PERC cells cannot be completely eliminated. To explain the difficulty, we first need to understand the LID behavior of the cells, he says.

UK calls for innovation in EV charging, $53 million for business development

Following the U.K. government’s announcement to significantly increase EV numbers on its roads, a call for applications was announced. Ramping up EV numbers does necessitate a convenient and low-cost charging infrastructure. To achieve this, public administration offices will fund trial phases of promising concepts. Businesses can apply until August 29.

US researchers achieve breakthrough for graphene-based solar cells

A team of scientists at the University of Kansas has developed a method to boost the lifetime of excited electrons in graphene, a development which the team alleges could lead to the development of highly efficient, ultrathin solar cells.

New solar water-splitting cell demonstrates 19.3% efficiency, increasing longevity significantly

The cell uses a novel approach that increases its conversion efficiency and longevity at the same time. Researchers claim it is a new world record for this type of application and highlight its importance in storing renewable energy in hydrogen to compensate for output and demand fluctuations.

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New bacteria-based solar cell doubles density, reduces production cost

Researchers coated bacteria with a semiconductor before application to an anode glass. This process is reportedly cheap and taps energy produced by the bacteria through photosynthesis. Additionally, the researchers state power output is not impeded by overcast skies, making it ideal for northern Europe, Canada, mines and other low-light environments.

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Replacement for CdTe: Copper-nitride conductor for thin film discovered

A novel method developed in Tokyo, Japan, allows a nitride crystal to grow, which can function as both an n- and p-type conductor. The material can replace cadmium-telluride (CdTe) in thin films, and make such solar cells more environmentally friendly, while enabling greater efficiencies, the researchers claim.

Researchers show world-record 20.9% perovskite cell, new SSG process increasing stability

This marks another world record conversion efficiency for perovskite solar cells. A newly developed process reportedly reduces non-radiative recombination of the cells. The new cell is the result of joint research between the England-based Universities of Oxford, Cambridge, Surrey and China-based Beijing.

Wärtsilä, Hyundai ink agreement on second-life EV batteries for grid storage – comment

Finnish-based energy-solution provider, Wärtsilä has signed an agreement with automobile producer, Hyundai Motor Group to establish a commercial partnership for the use of second-life electric vehicle (EV) batteries in storage solutions.

Inverters get smart at the 2018 Smarter E

Inverter manufacturers tapped into the major theme of digitization in their product presentations at this year’s Smarter E event in Munich – of which Intersolar Europe is a part of. The solutions deploy smart software solutions for maximizing self-consumption, O&M provision and enable hybrid architectures across all three market segments.

Interview: Array Technologies’ new CEO; expanding and eyeing bifacial

U.S.-based tracker supplier Array Technologies took part in the panel discussion on bifacial technology at the Future PV Roundtable during Intersolar Europe last week. pv magazine caught up with panelist Caesar Alberte, VP International, to discuss the company’s new CEO and its work on bifacial tracking.

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