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Photovoltaic

The flexible, recyclable solar panels could be used to power small devices and sensors (Ph...

VTT Technical Centre of Finland is aiming to bring solar energy into the realm of interior design by developing a new method of printing both decorative graphics and functional components onto flexible organic solar panels.  Read More

The UPC/Eolgreen streetlights incorporate both solar panels and a wind turbine (Photo: Eol...

If you're trying to save power, you generally don't leave your lights on all night. With a few exceptions, however, that's what cities do with their streetlights. That's why some groups have developed streetlights with built-in solar panels. A Spanish team is now taking things a step farther, with a stand-alone streetlight that runs off of both solar and wind power.  Read More

Using the AutoCharge system, users would just put their phone down anywhere on a regular t...

Wireless charging pads may be more convenient than traditional wired smartphone chargers, but a team from Microsoft Research in China thinks that they're still not convenient enough. According to Yunxin Liu, Zhen Qin and Chunshui Zhao, pads still require users to consciously place their phone in a specific spot, for the express purpose of charging. Instead, they envision a system in which users just toss their phone onto a table, where it's automatically charged using a beam of light. They've already built a working prototype of the system, which is known as AutoCharge.  Read More

Vincent Callebaut's vision of a sustainable Paris (Image: Vincent Callebaut Architectures)

One can usually count on Vincent Callebaut to produce thought-provoking renders that depict futuristic sustainable architecture, and the Belgian architectural firm certainly doesn't disappoint with this vision of a smart and sustainable Paris. The recent proposal, titled 2050 Paris Smart City, envisions remaking the City of Light into a veritable City of Green.  Read More

The Desolenator produces clean drinking water using sunlight

Desalination may one day prove the savior for regions of the world where clean drinking water is scarce, but current technology dictates that this process is often expensive and energy-intensive. The team behind the Desolenator has high hopes of delivering water security to those in need, with a mobile desalinator that runs purely on energy from the sun.  Read More

Researchers have achieved a solar energy to hydrogen conversion efficiency of 12.3% using ...

Using solar energy to split water into its component parts, thereby allowing the solar energy to be stored as hydrogen fuel, generally involves one of two methods: using photoelectrochemical cells to directly split the water, or using solar cells to produce electricity to power an electrolyzer that separates the water molecules. One problem associated with the latter method is that it currently relies on rare metals. But now scientists from Ecole Polytechnique Federale de Lausanne (EPFL) in Switzerland have managed to do so using common materials, and have achieved a record solar energy to hydrogen conversion efficiency in the process.  Read More

The SprayLD system developed by University of Toronto researchers can spray colloidal quan...

Spray-on cells hold considerable promise for reducing the manufacturing costs of solar power. Within this field, colloidal quantum dots (CQD) have also been the focus of a number if research efforts, as they have the potential to soak up a wider range of the solar spectrum. Scientists at the University of Toronto have been aboard the quantum dot train for some time now and their latest breakthrough involves a new method for spraying solar cells onto flexible surfaces, a development that could one day see them coat anything from bicycle helmets to outdoor furniture.  Read More

The University of NSW have produced a PV system that converts over 40 percent of sunlight ...

Solar researchers working at the University of New South Wales claim to have produced a system that converts over 40 percent of incoming sunlight into electricity, thereby taking the title of highest solar efficiency for a photovoltaic system ever reported.  Read More

The Helios Bluetooth solar-powered headphones use a photovoltaic panel to draw on power fr...

We first came across the idea of solar-powered Bluetooth headphones back in 2009. Five years later, the proliferation of Bluetooth LE and the capability of today's solar cells has given London-based startup Exod the tools needed to turn the concept into reality. With its Helios headphones, the company is dangling the prospect of a dangle-free listening experience in front of mobile music lovers.  Read More

The white solar panel provides architects with more flexibility in using solar power syste...

Solar panels are seen as a way of making buildings greener and more sustainable, as well as making them less dependent on the grid for power. The problem is that the blue/black panels stick out like sore thumbs and end up exiled to rooftops. With the goal of making solar panels aesthetically invisible, the Swiss private, nonprofit technology company CSEM has developed what it bills as the world's first white solar modules – designed to blend into buildings instead of sitting on the roof.  Read More

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