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First attempt to build back-contact micrometric III-V photovoltaic cells

An international research group has utilized through-substrate-vias to create 3D interconnections in III-V solar cells with a triple-junction architecture. The novel cell design was found to have a low shading factor of below 3% and a 6-fold increase in wafer area use compared to cells based on 2D interconnects.

Gallium arsenide solar cell achieves 23.1% efficiency via electrochemical porosification

An international research group has utilized a new porosification technique to build gallium arsenide (GaAs) solar cells that allow the recovery of germanium films. The new cell achieved an efficiency that is reportedly in line with that of other GaAs PV devices, but can be produced at a lower cost thanks to the reuse of germanium.

Weekend Read: The fruitful search for other thin films

First Solar and its cadmium telluride (CdTe) technology dominate thin-film solar in the mainstream market. Valerie Thompson looks at the US-based business and the future of thin-film PV technology.

Laser-sharp focus on interconnections

As the world’s solar manufacturers continue to ramp up production at an eye-watering speed, a cell connection technique up to 10 times faster than the industry standard holds rich promise, according to Keven Tremblay, from Canadian laser process specialist Laserax.


The Hydrogen Stream: FNB Gas presents hydrogen network plan for Germany

FNB Gas has unveiled plans for a hydrogen core network in Germany, while Tree Energy Solutions has started working on an electrolyzer and 1 GW of renewable energy assets in Canada.


Strategies to develop ‘solar neighborhoods’

A group of scientists across the world have created a list of recommendations that can help create solar neighborhoods. In a recently published study they highlight the importance of legislative frameworks and advanced computing.


Canada’s largest behind-the-meter solar project

Construction has started on two solar projects in the Canadian province of Alberta, including one with a flow battery energy storage system.


The Hydrogen Stream: Japan backs hydrogen in aviation

The Japanese government has confirmed to pv magazine that it is launching a new support scheme for hydrogen in aviation, while Japanese investors continue to actively pursue participation in a green ammonia project in South Africa.


Northvolt to open battery factory in Canada

Northvolt says it will use a circular economy approach to achieve 60 GW/h of annual cell production in Quebec, Canada, with a focus on assembling batteries for the US automotive market.


Heat pump adoption in Canada

The Canadian Climate Institute has released a report that explains how to unlock lower-cost heating and cooling in Canada. It outlines barriers to adoption and makes recommendations to streamline the loan and grant application process.

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