Battery technologies that can reliably operate at very low temperatures could be highly valuable for a wide range of applications. These batteries could, for instance, power devices, vehicles, and robotic systems in outer space, deep under the sea, and in other...
Energy & Green Tech
Extending the lifespan of lithium-metal batteries using a fluorinated ether diluent
The design of battery technologies with increasingly longer lifespans could help to meet the growing needs of the electronics and automotive industry. Lithium (Li) batteries are the most widely used rechargeable batteries worldwide. Thus, devising strategies that can...
Floating photovoltaics could limit Africa’s future reliance on hydro-generated energy
Floating photovoltaics (FPV), also known as floating solar farms, are photovoltaic systems that can be deployed on the sea's surface or on other bodies of water. While their environmental impact is still the topic of debate worldwide, these systems could be highly...
A strategy to boost the efficiency of perovskite/organic solar cells
In recent years, researchers have been experimenting with a wide range of solar cell designs in the hope of facilitating their widespread deployment. Organic solar cells based on perovskite materials have been found to exhibit various advantages over conventional...
A framework to compare lithium battery testing data and results during operation
Reliably monitoring the amount of lithium (Li) present in rechargeable batteries, specifically in the so-called cathode active material (CAM), is key to understanding the condition of batteries from the time when it is fabricated to the end of its operation. However,...
New insight about the working principles of bipolar membranes could guide future fuel cell design
Bipolar membranes are a class of ion-conductive polymers comprised of two oppositely charged layers, known as the cation-exchange and anion-exchange layer. These membranes are central to the functioning of various technologies, including electrolyzers and hydrogen...
Exploring the resilience of the Texas power grid against extreme weather conditions
The Gulf Coast of the United States is often hit by tropical cyclones (TCs), hurricanes and other extreme weather phenomena, which can cause widespread electricity outages. Climate change and global warming are expected to increase the risk of these events occurring,...
A strategy to suppress strain propagation in ultrahigh-Ni cathodes during fast charging
To meet the growing demand of the electronics industry and support the widespread deployment of electric vehicles, researchers will need to develop increasingly advanced and highly performing battery technologies. A promising approach for boosting the performance of...
The realization of aqueous flow batteries with mild pH decoupling
Technologies that can store the energy produced by photovoltaics and wind turbines could play a key role in the decarbonization of the energy sector. The operation of both solar cells and wind turbines relies on suitable weather conditions, and grid-scale energy...
Reducing halide segregation in wide-bandgap mixed-halide perovskite solar cells using redox mediators
Multi-junction solar cells, solar cells comprised of many individual semiconductor junctions stacked together, have the potential of outperforming single-junction solar cells both in terms of efficiency and stability. In recent years, material scientists and engineers...