Center notches 29.80% efficiency for perovskite/silicon tandem solar cell
The solar cell is based on a nanotextured front side and a back side with a dielectric reflector.
A promising new design for shingled solar modules
Research finds that the energy yield of a novel approach could almost double that of standard shingled cell interconnection under random shading conditions.
Flexible solar panels for vehicle-integrated applications
The frameless panel is based on 22% efficient solar cells and is designed for high, one-sided heat load.
Lithium-metal battery with capacity retention of 88% over 1,000 cycles
German scientists have applied a new combination of cathodes and electrolytes to improve the stability of lithium-metal batteries. They fabricated a device with an energy density of 560 watt-hours per kilogram and a Coulombic efficiency of 99.94%.
Crystal arrangement results in 1,000x more power from ferroelectric solar cells
Researchers discovered a ferroelectric crystal lattice that increases a solar cell’s photovoltaic effect by a factor of 1,000.
German start-up offers 5.2 kWh AC battery that works without inverter
Sax Power has developed a new residential battery which it describes as a game-changer in the battery technology.
Sonnen battery still running after 28,000 full charge cycles
The battery maker published test results indicating the longevity of its storage systems after extended use.
Another week, another wave of solar PPAs
Unsubsidized solar keeps moving forward in Germany, the US, Egypt, the Philippines, and South Africa.
Energy Infrastructure Partners invests $640m in Baywa re
The Baywa group will maintain a 51% stake in the German renewable energy company.
QuantumScape finally unstealths — with breakthrough performance in solid state batteries
After ten secretive years, several hundred million dollars spent, and the efforts of hundreds of scientists and engineers, QuantumScape went public on a video call today with the performance results of its solid-state battery — and its potential impact on the electric vehicle industry.
