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Technology and R&D

Improving solar panel recyclability with lasers

The National Renewable Energy Laboratory developed a proof of concept for a method to remove polymers from solar panel manufacturing to enable more efficient recycling.

Born in the USA: First silicon solar cell celebrates 70th birthday

On April 25, 1954, U.S. researchers presented the first prototype of a usable solar module. The efficiency at that time was around 6%. A lot has happened since then.

NREL updates interactive chart of solar cell efficiency

The National Renewable Energy Laboratory (NREL) has updated its research cell efficiency chart for a range of PV technologies.

Making the case for concentrated solar power

Dismissed by many in the solar industry as an overly complex, outdated technology, concentrated solar power (CSP) is set for a comeback thanks to a scaled-down, modular approach.

New quantum solar cell material promises external quantum efficiency of 190%

The new material consists of an heterostructure combining germanium, selenium, and tin sulfide, which also integrates atoms of zerovalent copper. It features an average photovoltaic absorption over 80% and could help photovoltaic cells break the Shockley-Queisser efficiency limit, according to its creators.

Triple-junction solar cells have technical potential to reach 44.3% efficiency

A research team has investigated the optical properties of perovskite/perovskite/silicon triple-junction cells and has found these devices may have a practical efficiency potential of 44.3% assuming idealized electrical parameters. These cells may also potentially achieve a fill factor of 90.1%.

Long-duration energy storage innovators receive DOE funding

The Department of Energy Office of Electricity announced recipients of the $15 million in EarthShot funds directed to accelerate development, commercialization and use of next-generation energy storage solutions.

Non-lithium battery startup nets $78 million Series C funding

Alsym Energy is developing a non-flammable battery that is lithium and cobalt free.

Vehicle-integrated photovoltaics making the moves from niche to mainstream

A new report from the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) looks at success factors required to take vehicle integrated photovoltaics (VIPV) from niche to mainstream based on a survey of 110 experts in the topic of transport and PV.

NREL releases online tool to estimate pumped hydro storage costs

The US Department of Energy’s National Renewable Energy Laboratory (NREL) has released a cost-estimation tool for new closed-loop pumped storage hydropower (PSH) plants in the United States. The tool allows operators to select from a range of system characteristics and account for factors such as local geology, labor rates and inflation.