Recent advancements in the development of machine learning and optimization techniques have opened new and exciting possibilities for identifying suitable molecular designs, compounds, and chemical candidates for different applications. Optimization techniques, some...
Energy & Green Tech
Microscopic carrier loss mechanisms in kesterite-based solar cells with a 12% efficiency
Kesterite Cu2ZnSn(S,Se)4 is an emerging and promising green photovoltaic material, as it is abundant on Earth, does not harm the environment, and has a stable structure, a great tunability and advantageous optoelectronic properties. Despite their qualities, solar...
A strategy to improve perovskite absorbers for all-perovskite tandem solar cells
Tandem solar cells (TSCs), stacks of p-n junctions based on semiconductors with different bandgaps, are a highly promising energy solution that could help to reduce carbon emissions. Perovskites, earth-abundant materials with a tunable bandgap, high charge-carrier...
The Heart of Fuel Cells, “MEAs,” May Propel the Future of Green Energy
AAC spoke to Gore to learn how membrane electrode assemblies in fuel cells can help decarbonize applications from drones to warehouses.
Researchers use a new framework to estimate the potential for energy demand reduction in the UK
Reducing energy demand worldwide can play a critical role in meeting international climate targets and effectively tackling climate change. Ultimately, such efforts could relieve some of the pressure on governments to decarbonize the energy supply, as emissions would...
A strategy to stabilize water-splitting photoelectrodes for solar-to-hydrogen production
In recent years, engineers have been trying to devise new technologies to produce and store energy more sustainably, with the hope of overcoming the global reliance on fossil fuels and to fight climate change. A solution that has attracted much attention is the...
A new electrolyte that increases the stability of high-voltage sodium-ion batteries
In years to come, sodium-ion batteries (NIBs) could potentially be a great alternative to current energy storage systems. Despite their advantages, including the abundance of sodium and a potentially long cycle life, these sodium-based batteries are often less stable...
Flexible all-perovskite tandem solar cells with a 24.7% efficiency
Lightweight and flexible perovskites are highly promising materials for the fabrication of photovoltaics. So far, however, their highest reported efficiencies have been around 20%, which is considerably lower than those of rigid perovskites (25.7%).
A liquefied gas electrolyte to create temperature-resilient lithium-metal batteries
Lithium Ion-based batteries are among the most effective and widely used battery technologies. However, the batteries' electrolytes mainly contain organic carbonated solvents, which are considered highly flammable with a narrow temperature window. To ensure that they...
Team creates anode-free Na batteries with high energy densities and long cycle lifetimes
In recent years, engineers worldwide have been trying to devise new battery and energy storage technologies that are more sustainable and cost-effective. One of the solutions attracting particular interest is sodium-based battery technology.