Hybrid perovskite solar cells (PSCs) made of organic and inorganic materials are highly promising energy solutions that could help to reduce carbon emissions worldwide. In recent years, these cells' power-conversion efficiencies (PCEs) have improved significantly,...
Energy & Green Tech
Simple techniques to quantify Li plating and speed up the charging of Li-ion batteries
Lithium-ion batteries (LiBs) are among the most widespread rechargeable battery technologies, due to their high energy densities and performances. Despite their versatility and advantageous characteristics, these batteries often require specific times to charge and...
An approach to stall oxygen evolution in high-voltage cathodes
To support the operation of the countless electronic devices that are being developed every day, researchers will need to develop increasingly advanced battery technologies. Lithium-ion batteries (LiBs), some of the most employed rechargeable batteries worldwide,...
Highly performing lithium sulfur batteries based on metallic molybdenum disulfide nanosheets
To reduce carbon emissions and still meet the growing demands of the electronics industry, scientists will need to develop alternative battery technologies that are more durable, sustainable, and can store more energy. In recent years, they have thus been trying to...
A strategy to boost the efficiency of solar cells based on thin-film bifacial Cu(In,Ga)Se2
To tackle global warming, engineers have been trying to develop increasingly advanced technologies that can generate and store electrical energy more sustainably. The most renowned among these technologies are solar cells, devices based on photovoltaic materials that...
A strategy to maximize photocurrent in organic photovoltaics by suppressing recombination loss
Organic photovoltaics (OPVs), solar technologies based on organic semiconductors, have shown great promise both for the scalable provision of clean energy and for the development of solar-powered wearable electronics. Despite their advantages, organic solar cells...
An amorphous high-capacity iron fluorosulfate cathode
Chemists and engineers have been trying to create increasingly efficient, affordable and stable battery technologies to power a wide range of electronic devices. To do this, they have been leveraging the multi-redox reactions of materials that are highly abundant on...
A strategy to monitor electrolyte evolution in Na- and Li-ion batteries under real working conditions
To meet the growing global demand for electronics that can operate for long periods of time, engineers will need to develop highly performing and stable batteries with increasingly longer lifetimes. To reliably continue improving battery technologies, one should...
Researchers realize perovskite-based phase heterojunction solar cells
Over the past few decades, engineers and material scientists have created increasingly advanced and efficient solar technologies. Some of these technologies are based on photovoltaics with a so-called heterojunction structure, which entails the integration of two...
Stable and efficient organic solar cells based on oligomer acceptors
Organic solar cells are photovoltaic technologies with light-absorbing layers made of conductive organic polymers or organic molecules. These solar energy solutions can have notable advantages over their non-organic counterparts, including lighter weight, a larger...