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Sample UDRI solid-state, rechargeable lithium-air batteries, and Dr. Binod Kumar. Engineers at the University of Dayton Research Institute (UDRI) have developed a solid-state, rechargeable lithium-air battery. The theoretical specific energy of the Li-air cell is 13,000 Wh/kg—the highest of any metal-air battery system.
Researchers at Japan’s National Institute for Materials Science (NIMS) and the NIMS-SoftBank Advanced Technologies Development Center have developed a lithium-air battery with an energy density of more than 500 Wh/kg—significantly higher than currently lithium ion batteries.
Gravimetric Ragone plot comparing energy and power characteristics of CNF electrodes based on the pristine and discharged electrode weight with that of LiCoO 2. 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.
Long-term discharge curve of the newly developed lithium-air cell. Researchers at Japan’s AIST (National Institute of Advanced Industrial Science and Technology) are developing a lithium-air cell with a new structure (a set of three different electrolytes) to avoid degradation and performance problems of conventional lithium-air cells.
V), which renders the system with a low round-trip energy efficiency around 60%. Recently, researchers have also found out the instability of electrolyte and carbon electrode under the high charging potential (>3.5 O 2 battery containing a potassium metal foil, a glassy fiber separator and a porous carbon electrode, with 0.5
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.
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.
A team of researchers at MIT led by Professor Yang Shao-Horn have found that gold-carbon (Au/C) and platinum-carbon (Pt/C) catalysts have a strong influence on the charge and discharge voltages of rechargeable lithium-air (Li-O 2 ) batteries, and thus enable a higher efficiency than simple carbon electrodes in these batteries.
air (Li-O 2 ) battery represents a conceptually attractive energy storage device for electric vehicle applications due to its high theoretical energy storage capacity ( earlier post ); however, among the obstacles to commercialization is a lack of fundamental understanding of the reactions involved. Click to enlarge.
Stuart Licht have introduced the principles of a new class rechargeable molten air batteries that offer amongst the highest intrinsic electric energy storage capabilities. In 2008 a zirconia stabilized VB 2 air battery was presented. Earlier post.] —Licht et al. During discharge, iron metal is converted back to iron oxide.
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 energy storage network.
A team from Hanyang University (Korea) and University of Rome Sapienza (Italy) have demonstrated a lithium–air battery capable of operating over many cycles with capacity and rate values as high as 5,000 mAh g carbon ?1 1 and 3 A g carbon ?1 1 , respectively. Nature Chemistry doi: 10.1038/nchem.1376 1376 10.1038/nchem.1376.
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). Evaluations were based on scientific and technical merit and the potential for high impact on national energy and economic goals. Earlier post.).
A team from Japan’s AIST (National Institute of Advanced Industrial Science and Technology) reports on the development of a “lithium–air capacitor–battery based on a hybrid electrolyte” in a paper in the RSC journal Energy & Environmental Science. Energy Environ. Earlier post.). Earlier post.). —Wang et al.
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
Researchers from University of Rome Sapienza (Italy), Hanyang University (Korea) and the Argonne National Laboratory (US) have shown that the highly reactive lithium metal anode typically projected for use in Li-air batteries can be replaced with a lithiated silicon-carbon anode. carbon composite particles with a lithium foil.
Researchers at startup Liox Power, a California-based company developing rechargeable Li-air batteries, have demonstrated for the first time the operation of a lithium-air battery with a Li anode in a straight-chain alkyl amide electrolyte solvent (N,N-dimethylacetamide (DMA)/lithium nitrate (LiNO 3 )).
US Energy Secretary Steven Chu announced three winning startup companies—based on a public vote and an expert review—out of the 14 participating in the US Department of Energy (DOE) “ America’s Next Top Energy Innovator ” challenge. Earlier post.).
Higher EV penetration reduces GHG emissions from fuel use regardless of the transportation energy transition, while those from fuel production are more sensitive to energy-sector decarbonization and could reach nearly “net zero” by 2040. —Zhang et al. (a) a) Annual demand and recycling potential with or without a second use.
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 Click to enlarge. Their paper appears in the RSC journal Chemical Communications.
Although lithium-air batteries—with high theoretical specific energies of up to ? Although lithium-air batteries—with high theoretical specific energies of up to ?3400 These side reactions deplete the electrolyte during cycling and limit the reversibility of Li-air batteries.
A study led by researchers from Argonne National Laboratory reinforced that electrolyte solvent stability plays a key role in the performance of Lithium-air batteries, and that making advances in new electrolytes will be a key factor in reducing the large overpotential and improving reversibility of Li-air batteries.
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. A) Gibbs reaction energy for formation of Li 2 O and Li 2 O 2 as a function of temperature. Thermodynamics and configuration of the Li-O 2 cell. (A) Resources.
In an open access paper published in the International Journal of Smart and Nano Materials , researchers from the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences review significant developments and remaining challenges of practical Li–air batteries and the current understanding of their chemistry.
Bloomberg reports that the Volkswagen Group will decide by July how to proceed with solid state energy storage 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.
Carl Thompson sheds more light on the morphological evolution of Li 2 O 2 particles in Lithium-air batteries. Lithium-air (Li?O 1,2-dimethoxyethane (DME)) and carbon-based air cathode can lead to a range of discharge product morphologies, including conformal films or disc- and toroid- shaped particles.
The electrolyte not only suppresses side reactions, stress-corrosion cracking, transition-metal dissolution and impedance growth on the cathode side, but also enables highly reversible Li metal stripping and plating on the lithium-metal anode (LMA), leading to a compact morphology and low pulverization. Huang, M.,
Very high energy density rechargeable lithiumair (or Li-O 2 ) batteries are of great interest for future electrified transportation because at best their practical energy density could approach that of current gasoline engined vehicles (after factoring in tank-to-wheel efficiencies). Earlier post.).
Cycling behavior of TEGDME-based electrolyte lithium?oxygen A team including researchers from Hanyang University (South Korea) and University of Rome Sapienza (Italy) have shown that operating temperature plays an important role in the performance of Lithium-air batteries. oxygen cells; capacity limited to 1000 mAh g ?1
Lithium-air batteries, with a theoretical gravimetric energy density of ?3500 3500 Wh/kg, are of great interest as next-generation energy storage systems that would enable, among other things, much longer range in EVs. Lithium-ion rechargeable batteries are based on a pair of intercalation electrodes. Batteries'
Stuart Licht introduced the principles of a new class rechargeable molten air batteries that offer amongst the highest intrinsic electric energy storage capabilities. The iron molten air battery; illustration of the charge/discharge in molten carbonate. Earlier post.) Cui and Licht, SI. Click to enlarge.
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.
The PNNL-developed technologies were made available the on the laboratory’s Available Technologies website as well as on DOE’s Energy Efficiency and Renewable Energy website, the Energy Innovation Portal. Vorbeck Materials , based in Jessup, Md., PEM fuel cells are primarily used for backup power.
Processes for sustainable energy production must be environmentally benign, reduce greenhouse gas production, and utilize renewable resources. Current interest areas in sustainable energy technologies are as follows: Biomass Conversion, Biofuels & Bioenergy. Photovoltaic Solar Energy. Wind Energy.
The TEM technique could help in finding ways to make Li-air batteries—widely seen as important for the future wide-spread adoption of electromobility due to their inherently high energy densities—practical in the near future, the researchers, led by MIT professor Yang Shao-Horn and Pitt professor Scott X. Mao, suggested.
Lithium-air batteries are looked to by many as a very high-energy density next-generation energy storage 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. 2017.27.
Metal-air batteries : TMC has determined the reaction mechanism of lithium-air batteries and has clarified its research policy regarding the batteries as rechargeable secondary batteries. Hybrid Vehicles. TMC plans to introduce 11 models by the end of 2012, consisting of all-new models and redesigned models.
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. One of the main problems related to Li 2 O 2 precipitation is its insulating nature.
An international team from MIT, Argonne National Laboratory and Peking University has demonstrated a lab-scale proof-of-concept of a new type of cathode for Li-air batteries that could overcome the current drawbacks to the technology, including a high potential gap (>1.2 V) V) causes severe energy efficiency and thermal management problems.
Schematic representation and operating principles of the lithium–water electrochemical cell used for hydrogen generation: (1) external circuit and (2) inside of lithium–water electrochemical cell. Zhou and his team has two compartments separated by a water stable lithium super-ionic conductor glass film (LISICON). Haoshen Zhou.
1 of graphite anodes), it fails to meet cycle life and safety requirements due to electrolyte decomposition and dendrite formation on the surfaces of the lithium metal anodes during cycling. It is obvious that Li–S and Li–air batteries have the potential to considerably improve the driving ranges of EVs. The role of areal capacity.
The US Department of Energy (DOE) is awarding $60 million to 24 research and development projects aimed at reducing carbon dioxide emissions from passenger cars and light- and heavy-duty trucks. (DE-FOA-0002420) Liquid Electrolytes for Lithium-Sulfur Batteries with Enhanced Cycle Life and Energy Density Performance.
The US Department of Energy (DOE) released the EV Everywhere Grand Challenge Blueprint , which describes plug-in vehicle (PEV) technology and deployment barriers, and provides an outline for DOE’s technical and deployment goals for electric vehicles to 2022. Earlier post.). —Blueprint. Electric drive systems.
The energy density of gasoline is approximately 13,000 Wh/kg. With a current average tank-to-wheel efficiency of 12.6%, the usable energy density of gasoline in an automotive application is about 1,700 Wh/kg. Fortunately, an energy density of 1700 Wh/kg for the fully charged battery corresponds only to 14.5% Click to enlarge.
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