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Argonne National Laboratory, which has contributed heavily to the research and development of Li-ion battery technology, is now pursuing research into Lithium-air batteries. Li-air batteries use a catalytic air cathode that converts oxygen to lithium peroxide; an electrolyte; and a lithium anode.
Recently, researchers have also found out the instability of electrolyte and carbon electrode under the high charging potential (>3.5 But the necessity of catalysts has been argued, because the catalyst on carbon may not be able to work once its surface is blocked. V), which contributes to the low rechargeability. oxygen batteries.
Diagram of the STAIR (St Andrews Air) cell. Oxygen drawn from the air reacts within the porous carbon to release the electrical charge in this lithium-air battery. Lithium-air batteries use a catalytic air cathode in combination with an electrolyte and a lithium anode. Click to enlarge.
General schematic of a lithium-air battery. Leveraging expertise in materials science, nanotechnology, green chemistry and supercomputing, scientists at IBM Research’s Almaden lab in San Jose, California, are undertaking a multi-year research initiative around a grid-scale, efficient, affordable electrical energystorage network.
This translates to an energy enhancement ~4 times greater than the state-of-the-art lithium intercalation compounds such as LiCoO 2 (~600 W h kg electrode -1 , the researchers said. They report on their study in a paper published in the RSC journal Energy & Environmental Science. Energy Environ. —Mitchell et al.
air (Li-O 2 ) battery represents a conceptually attractive energystorage device for electric vehicle applications due to its high theoretical energystorage capacity ( earlier post ); however, among the obstacles to commercialization is a lack of fundamental understanding of the reactions involved.
The US Department of Energy is awarding $106 million in funding for 37 research projects selected in the second round by the DOE’s Advanced Research Projects Agency-Energy (ARPA-E). Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Earlier post.). Earlier post.) Engineering E. per gallon.
Carbon is seen as an attractive potential cathode material for aprotic (non-aqueous) Lithium-air batteries, which are themselves of great interest for applications such as in electric vehicles because of the cells’ high theoretical specific energy. For their study, they cycled carbon cathodes in Li?O
Bloomberg reports that the Volkswagen Group will decide by July how to proceed with solid state energystorage technology under development by Quantumscape ( earlier post) , citing Prof. The all solid-state system would enable high energy density, high power density, and reversibility of a lithium-air battery, according to the claims.
Recycling w/o 2nd” indicates retired batteries that are directly recycled without a second life as energystorage systems (ESSs). Decarbonization targets for road transportation should be coupled with electric vehicle deployment, the timing of carbon peak and neutrality, and accurate emission budgets. Zhang et al.
Stuart Licht have introduced the principles of a new class rechargeable molten air batteries that offer amongst the highest intrinsic electric energystorage capabilities. In 2008 a zirconia stabilized VB 2 air battery was presented. Earlier post.] —Licht et al.
A new study by a team at MIT led by Dr. Yang Shao-Horn and Dr. Carl Thompson sheds more light on the morphological evolution of Li 2 O 2 particles in Lithium-air batteries. Lithium-air (Li?O The nucleation, growth, and morphological evolution of Li 2 O 2 particles have not been thoroughly investigated to date.
Scientists at Los Alamos National Laboratory (LANL) have designed a new type of nitrogen-doped carbon-nanotube catalyst that shows the highest oxygen reduction reaction (ORR) activity in alkaline media of any non-precious metal catalyst developed to date. Chung et al.Click to enlarge.
Stuart Licht introduced the principles of a new class rechargeable molten air batteries that offer amongst the highest intrinsic electric energystorage capabilities. The iron molten air battery; illustration of the charge/discharge in molten carbonate. Earlier post.) Cui and Licht, SI. Click to enlarge.
Lithium-air batteries, with a theoretical gravimetric energy density of ?3500 3500 Wh/kg, are of great interest as next-generation energystorage systems that would enable, among other things, much longer range in EVs. Lithium-ion rechargeable batteries are based on a pair of intercalation electrodes.
The introduction of hydrogen into the engine virtually eliminates fuel emissions while greatly reducing the emissions of hydrocarbons and carbon monoxide. In 2007, Vorbeck signed a worldwide license agreement with Princeton University for a patented method from the the Aksay Labs for manufacturing graphene at commercial scale.
Photovoltaic (PV) Solar Energy. Advanced Batteries for Transportation and Renewable EnergyStorage. The focus is on high-energy density and high-power density batteries suitable for transportation and renewable energystorage applications. The duration of unsolicited awards is typically three years.
Lithium-air batteries are looked to by many as a very high-energy density next-generation energystorage solution for electric vehicles. However, the technology has several holdups, including losing energy as it stores and releases its charge.The reaction mechanisms are, in general, not well understood.
Lithium-air (or lithium-oxygen) batteries potentially could offer three times the gravimetric energy of current Li-ion batteries (3500 Wh/kg at the cell level); as such, they are looked to a potential solution for long-range EVs. Li 2 O 2 precipitate passivates the electrode surface hindering further electron transfer.
In the course of the past decade, due to its high theoretical energy density assumed to be comparable to that of gasoline, the lithium-air battery has attracted great attention of many academic and industrial laboratories worldwide. V cut-off voltage range applying a specific current of 100 mA g carbon -1.
For vehicles, these included weight reduction and improvements in rolling and aerodynamic resistance; for fuels, carbon capture and storage (CCS). Fuel cells, batteries, biofuels, low-GHG production of hydrogen, carbon capture and storage, and vehicle efficiency should all be part of the current R&D strategy.
The new work, published in Science , shows that four-electron conversion for lithium-oxygen electrochemistry is highly reversible. The Waterloo team is the first to achieve four-electron conversion, which doubles the electron storage of lithium-oxygen, also known as lithium-air, batteries. —Linda Nazar.
Researchers from the Nanomaterials and Energy Group at the University of Western Ontario, Canada, report the development of graphene nanosheet (GNS) cathode materials for non-aqueous lithium-oxygen (Li-air) batteries that show a capacity of 8,705.9 Their paper appears in the RSC journal Chemical Communications.
Driving range could also be increased by reducing energy consumption per mile … which can be accomplished by the use of light-weight materials (e.g., carbon composite chassis explored by BMW), by improvements in electric-drive efficiency, and by advanced vehicle climatization concepts (e.g., While the so-called post-LiBs, viz.,
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