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Selenium solar cell with 5.2% efficiency, 0.99 V open-circuit voltage

Danish researchers have built a selenium solar cell with the highest open-circuit voltage ever reported. They said that with further improvements in the optoelectronic quality of selenium, the device could reach an efficiency of up to 8%.

The Hydrogen Stream: Global renewables capacity for hydrogen to surge by 2027, says IEA

The International Energy Agency says that it expects the use of renewables to support global hydrogen production to surge over the next five years. The Netherlands and Denmark, meanwhile, have revealed plans to expand electrolysis capacity.


Denmark, Sweden, Finland could add 12.8 GW of solar by 2030

The Nordic region is set to become a European renewables powerhouse, according to Rystad Energy. It says Finland, Sweden and Denmark could collectively install up to 12.8 GW of new solar by 2030.


Photovoltaic signboard with 18.5% efficiency

Dansk Solenergi, a Danish building-integrated PV specialist, has launched a round, 95 W solar module that works as a PV signboard. Its 35 solar cells, which remain hidden behind an image of Earth, have an efficiency of 18.5%.

Danish consortium builds 1 MW/20 MWh molten salt thermal storage facility

Hyme Energy and Bornholms Energi & Forsyning are building a pilot project to store clean electricity with molten salt. The system will likely start providing heat, power and ancillary services by 2024.

Equinor acquires Danish solar developer

Equinor is set to fully acquire developer BeGreen, which has a project pipeline of more than 6 GW in Denmark, Sweden and Poland.


Ørsted, Energy Dome partner on 20 MW/200 MWh of CO2 batteries in Europe

Energy Dome has entered into a partnership with Ørsted to run a feasibility study on the deployment of at least one 20 MW/200 MWh energy storage facility featuring its carbon dioxide (CO2) battery technology. The first facility will have a 10-hour storage capacity and construction could begin in the second half of 2024.

The Hydrogen Stream: Condensed hydrogen on smooth surfaces can sharply exceed liquid hydrogen density

A German-US research team has shown that hydrogen condenses on smooth surfaces at a very low temperature, forming a super-dense monolayer that reduces the volume to just 5 liters per kilogram of H2. Dutch researchers, meanwhile, have published a new study on hydrogen storage in porous rocks, and Itochu said it is moving forward with hydrogen plans in Japan and South Africa.

The Hydrogen Stream: BMW starts in-house production of fuel cells for iX5 Hydrogen

BMW Group said it is targeting the premium segment with its iX5 Hydrogen car, Topsoe revealed that it will invest $267 million to build the world’s largest SOEC electrolyzer plant in Denmark, and Bosch announced plans to invest $200 million in US fuel cell production.

Ammonia heat pump for wastewater

Aalborg CSP will connect a 2.5 MW ammonia heat pump to a district heating system operated by E.ON Denmark. The facility will be located at a local wastewater treatment plant.


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