Researchers combine waste vegetable oil and sulfur to create an eco-friendly, sturdy and lightweight cement substitute that can be remelted as often as desired.
Energy
Compressed air cars for urban transportation
Researchers have increased the efficiency of compressed air cars with the aid of phase change materials for heat recovery, making them a viable carbon-free alternative for future passenger cars.
Dual aluminum-nitrogen battery that stores energy and fixes nitrogen
A rechargeable aluminum-nitrogen battery serves the dual purpose of not only storing and retrieving energy, but also being able to fix its nitrogen stream as ammonia.
Towards long-lasting lithium-sulfur batteries
A new titanium nitride sulfur composite reduces the notorious shuttle effect and improves the overall performance of lithium-sulfur batteries.
The temporal politics and ethics of hydropower development in the Himalayas
As hydropower projects are built across the Himalayan region, recognizing the temporal politics inherent to hydropower development will become increasingly critical.
A new design for better redox flow batteries
A new design for vanadium redox flow batteries could help fundamental research and accelerate commercialization of this energy storage technology.
Ion-Pump Photovoltaics
Inspired by nature, researchers create a new kind of photoelectric generator based on a bacterial ion pump.
Computer simulations of organic materials for next-generation batteries
Computer simulations provide a better means of optimizing, predicting, and understanding experimental observations in the search for new battery materials.
A non-toxic, room-temperature liquid-metal battery
Researchers created liquid-metal battery that works at room-temperature. It promises more power than today’s lithium-ion batteries and can charge and deliver energy several times faster.
A glimpse inside a working battery
Chemists develop a new technique for observing chemical processes during battery operation.
One step closer to producing green hydrogen fuels
Researchers design a photo-electrochemical reactor to produce affordable “green” hydrogen.
Chemists resolve origin of perovskite instability
A “rattling” observed in the crystal structure of cesium lead iodide perovskites is thought to be the long sought-after answer to as to why the material is so unstable.
High performance supercaps made from cotton waste and seawater
Researchers explore an alternative, green supercapacitor concept that relies on seawater and carbon fibers derived from waste cotton.
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