In recent years, engineers have introduced a wide range of photovoltaic (PV) solutions that could facilitate the sustainable generation of electricity worldwide. These include organic solar cells (OSCs), PV devices that use organic molecules or polymers to convert...
Energy & Green Tech
A new thermal regulator could enhance the safety of high-capacity lithium-ion batteries
High-capacity lithium-ion batteries (LIBs) could play a crucial role in the electrification of vehicles and other large electronics. To successfully deploy these batteries on a large scale, however, engineers will first need to ensure that they can safely operate at...
New polymer electrolyte membranes for fuel cells can operate at up to 250 °C
Hydrogen fuel cells, devices that can convert the chemical energy stored in hydrogen into electrical energy via an electrochemical reaction, are promising solutions for electrifying large vehicles. Fuel cells based on low-temperature (under 100 °C) proton exchange...
A perovskite for the efficient photocatalytic conversion of ethane into ethylene and hydrogen
Ethylene (C2H4) is a highly flammable compound widely used in numerous settings, including the manufacturing of packaging and plastic-based items, the chemical industry, agriculture and health care. Developing effective and sustainable methods to produce ethylene on a...
Rapidly declining costs of batteries and fuel cells could soon facilitate the electrification of heavy-duty vehicles
The electrification of road vehicles has already begun, with most automotive companies now investing in hybrid and electric cars. While these efforts could contribute to reducing carbon emissions worldwide, they have so far been primarily focused on cars, rather than...
Transitioning to renewable energy systems might not entail a decline in net energy
Energy researchers have been trying to understand the implications of a transition to fully renewable energy for decades. Some past studies suggested that technologies to generate energy from renewable energy sources, such as solar panels and wind turbines, might not...
Exploring the potential of micro nuclear reactors for electrifying developing regions
The development of technologies to generate affordable electricity and their deployment in remote or developing geographical regions has been the topic of many recent studies. These studies could inform future interventions and policies in these regions, by...
A strategy to design anti-freezing electrolytes for batteries that can operate in extremely cold environments
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...
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...