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70 Current news of Georgia Institute of Technology
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Research reveals thermal instability of solar cells but offers a bright path forward
15-Feb-2023
A new type of solar technology has seemed promising in recent years. Halide perovskite solar cells are both high performing and low cost for producing electrical energy – two necessary ingredients for any successful solar technology of the future. But new solar cell materials should also match ...
Using machine learning to better understand how water behaves
22-Dec-2022
Water has puzzled scientists for decades. For the last 30 years or so, they have theorized that when cooled down to a very low temperature like -100C, water might be able to separate into two liquid phases of different densities. Like oil and water, these phases don’t mix and may help explain ...
Rubber material holds key to long-lasting, safer EV batteries
To replace liquid electrolytes, researchers combine rubber material with innovative 3D structure
18-Jan-2022
For electric vehicles (EVs) to become mainstream, they need cost-effective, safer, longer-lasting batteries that won’t explode during use or harm the environment. Researchers at the Georgia Institute of Technology may have found a promising alternative to conventional lithium-ion batteries made ...
Breakthrough in Li-ion battery fabrication
Finding key to low-cost, fast production of lighter, safer, and more energy-dense solid-state batteries for EVs
10-Mar-2021
A new fabrication technique could allow solid-state automotive lithium-ion batteries to adopt nonflammable ceramic electrolytes using the same production processes as in batteries made with conventional liquid electrolytes. The melt-infiltration technology developed by materials science ...
Sweet or Sour Natural Gas
Polyimide membranes for the purification of natural gas
26-Jun-2020
Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be “sweetened” by removal of its acidic impurities. Through fine tuning of the ratios of two molecular components, it is possible to produce ...
Spontaneous formation of nanoscale hollow structures could boost battery storage
16-Jun-2020
An unexpected property of nanometer-scale antimony crystals -- the spontaneous formation of hollow structures -- could help give the next generation of lithium ion batteries higher energy density without reducing battery lifetime. The reversibly hollowing structures could allow lithium ion ...
Platinum-graphene fuel cell catalysts show superior stability over bulk platinum
20-Sep-2019
Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a study published recently by researchers at the Georgia Institute of Technology. Platinum is one of the most commonly used catalysts for ...
Selenium anchors could improve durability of platinum fuel cell catalysts
10-Sep-2019
Platinum has long been used as a catalyst to enable the oxidation reduction reaction at the center of fuel cell technology. But the metal's high cost is one factor that has hindered fuel cells from competing with cheaper ways of powering automobiles and homes. Now researchers at the Georgia ...
X-ray imaging provides clues to fracture in solid-state batteries
02-Jul-2019
Solid-state batteries - a new battery design that uses all solid components - have gained attention in recent years because of their potential to hold much more energy while simultaneously avoiding the safety challenges of their liquid-based counterparts. But building a long-lasting solid-state ...
Powerful X-ray beams unlock secrets of nanoscale crystal formation
Technique allowed continuous study of cobalt nanoparticles as they grew
09-Jan-2019
High-energy X-ray beams and a clever experimental setup allowed researchers to watch a high-pressure, high-temperature chemical reaction to determine for the first time what controls formation of two different nanoscale crystalline structures in the metal cobalt. The technique allowed continuous ...
