Sunpower launches two new batteries for residential applications
The two batteries have a storage capacity of 13 and 19.5 kWh, respectively. Both lithium-ion systems use LiFePO4 as the cathode material and have a round-trip efficiency of over 86%.
HDF Energy wants to build utility scale solar hydrogen project in Namibia
The project consists of an 85 MW solar park and a green hydrogen production unit. The facility should begin commercial operations in 2024.
Vehicle-integrated solar kit may reduce frequency of recharging by 14%
Developed by the French research institute Liten, the prototype kit consists of a 145 W photovoltaic panel, a magnetic rear panel, and an MPPT charge controller. It also includes a battery and a micro-inverter that can be used to inject the stored energy into the grid when the vehicle is recharged.
Panasonic presents 22.2% efficient all-black heterojunction solar module compatible with its Evervolt battery
The new module series has a power output ranging from 420 to 430 W, a temperature coefficient of -0.26% per degree Celsius, and an efficiency of up to 22.2%.
Taiwan’s largest battery comes online
United Renewable Energy has energized a 15 MW/15 MWh storage system connected to a 150 MW solar park located near Tainan.
Inverted perovskite solar cell achieves 22.31% efficiency via novel electron-accepting interlayer
A Korean research group has built an inverted perovskite cell that is able to retain 91.7% of its initial efficiency after 1,000 h under standard illumination conditions. They built the device with an electron-accepting interlayer that also acts as charge transport.
Floating solar for water pumping
A community in Spain is using a 1.6 MW floating PV array to power water pumps for irrigation purposes. Spanish specialist Isigenere provided its technology for the project.
Hydrogen to play limited role in building energy supply
How much hydrogen is actually needed? Several German research institutes have examined 40 energy scenarios for hydrogen ramp-up and found that 15 million GWh of hydrogen will be needed worldwide by 2050.
The Hydrogen Stream: Canadian startup unveils 120 kW fuel cell system
In other news, Alstom tested its hydrogen train for long-distance transportation and the IEA released a report suggesting that hydrogen development may require an annual investment of around $60-130 billion through 2030.
Q Energy France unveils pilot PV system for hydroponics
The prototype system covers an area of 250 m² and is equipped with a rainwater recovery system. Q Energy France and its partner Aquacosy are now looking for land for a larger project.
