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Researchers from Japan’s NIMS (National Institute for Materials Science), the University of Tokyo and Hiroshima University have jointly conducted a techno-economic analysis for hydrogen production from photovoltaic power generation (PV) utilizing a battery-assisted electrolyzer. This approximately converts to US$1.92 to US$3.00/kg
Scientists from Stanford University, SLAC National Accelerator Laboratory and the Technical University of Denmark have identified a new nickel-gallium catalyst that converts hydrogen and carbon dioxide into methanol at ambient pressure and with fewer side-products than the conventional catalyst.
Comparison of the discharge capacity and coulombic efficiency of MPSPs/PPAN anodes at various ratios versus cycle number. This performance combined with lowcost processing yields a competitive anode material that will have an immediate and direct application in lithium ion batteries, according to the research team.
A research team at Japan’s National Institute for Materials Science (NIMS) and Nagaoka University of Technology has developed a new high-strength magnesium sheet alloy (Mg–1.1Al–0.3Ca–0.2Mn–0.3Zn) that has excellent room-temperature formability comparable to that of the aluminum sheet metal currently used in body panels of some automobiles.
Scientists at the University of Delaware are developing a new low-cost material for hydrogen storage—carbonized chicken feathers (CCFF)—that they say could meet the DOE requirements for hydrogen storage and are competitive with carbon nanotubes and metal hydrates at a tiny fraction of their cost.
Over the past year the Dynamics and Control group of the Eindhoven University of Technology (TU/e) (The Netherlands) has developed a battery electric research vehicle based on a VW Lupo 3L 1.2 The Lupo EL (“Electric Lightweight”)vehicle combines a very low weight (1,060 kg, 2,337 lbs) with a large battery pack (27 kWh).
A new high-energy cathode material that can greatly increase the safety and extend the life-span of future lithium-ion batteries has been developed through the close international collaboration of researchers led by the US Department of Energy’s (DOE) Argonne National Laboratory and Hanyang University in South Korea. Mn 0.18 ]O 2.
With its lowcost, low environmental impact and safety aspects, the Al-air system has potential to serve as a near-term power source for electric vehicles, according to a research team from The University of Hong Kong and Hong Kong Polytechnic University. kWh/kg of Al—second only to the Li-air battery (13.0
b) Comparison of cycling performance at C/2 with and without the PVP modification. Lithium sulfur batteries are of great interest due to their high specific energy and relatively lowcost (e.g., (a) Specific capacities of the PVP modified sulfur cathode at C/5, C/2 and 1C cycling rates. (b) Credit: ACS, Zheng et al.
a developer of low-cost, high-performance polymers for electrochemical applications, announced its selection by the US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) for an award that will support the continued development of its alkaline exchange ionomers and membranes. Ecolectro Inc.,
Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. Comparison of areal discharge capacities for planar, 1-fold, 2-fold, and 3-fold batteries. Areal discharge capacities for Miura-folded versus unfolded cells.
Cost savings can be achieved by reducing material costs (notably platinum use), increasing power density, reducing system complexity and improving durability. How the Imperial/UCL fuel cell design reduces cost compared to current technology. Click to enlarge. The Carbon Trust is also working with Ilika in Phase 2.
Researchers at Wakayama University in Japan have produced a mixture of hydrogen and carbon monoxide gas by irradiating a mixture of carbon powder and distilled water with intense nanosecond laser pulses at room temperature. By comparison, no gas was generated from pure water itself under the same irradiation conditions.
A University of Texas at Dallas physicist has teamed with Texas Instruments Inc. A deep dive for these novel measurements, detailed analysis and literature comparisons requires a university group. Described in a paper in the journal Nature Electronics , these TEGs exhibit a high specific power generation capacity (up to 29??
Researchers at Cornell University are proposing a new scheme for cathodes for lithium-sulfide batteries ( earlier post ) to prevent lithium polysulfide dissolution and shuttling during electrochemical cycling. Discharge capacity (left axis) and Coulombic efficiency (right axis) of the Li 2 S-C cathode as a function of cycle number.
In particular, silicon nanowires (SiNW) are widely studied as a promising anode material for high-capacity LIBs due to its lowcost of fabrication and volume production potential. A conventional battery pack using graphite anode with the same capacity was the a basis for comparison of the life cycle impact results.
Researchers from Hanyang University in Korea and the BMW Group have developed a new fully operational, practical Li-ion rechargeable battery combining high energy density with excellent cycle life. Comparison of the CNT-Si/TSFCG against the currently developed LIBs. g cm -3 ; a two-sloped full concentration gradient (TSFCG) Li[Ni 0.85
Researchers at Feng Chia University in Taiwan have developed a procedure to prepare surface-modified mesophase pitch carbon to increase the charge-discharge capacity and cycleability of carbon electrodes for lithium-ion batteries (LIBs). However, carbon remains the predominant commercial anode material solution at this point.
There are two major low grade silicon sources—metallurgical silicon (M-Si, ∼99 wt % Si) and ferrosilicon (F-Si, ∼ 83 wt % Si, ∼ 13 wt % Fe)—available at lowcost (∼$1000/ton for metallurgical silicon, and ∼$600/ton for ferrosilicon). —Zhu et al. a) Si nanoparticles from metallurgical Si (M-Si) sources. (a)
An NREL report summarizing the 2011 Alkaline Membrane Fuel Cell Workshop noted that: In comparison with PEMFCs, AMFCs offer the advantage of avoiding Pt or Pt group metal (PGM) electrocatalysts, one of the primary limitations in the commercial deployment of fuel cells. … Northeastern University. University of California, Irvine.
Researchers at Rice University have fabricated hybrid coaxial metal-oxide/carbon nanotube arrays as cathode material for high performance lithium-ion batteries. Manganese oxide as an electrode material offers lowcost, environmental friendliness and natural abundance, in addition to its high storage capacity. V vs Li/Li +. (b)
Oxford University was also a partner. Although lithium-ion batteries are currently the predominant battery technology in electric and hybrid vehicles, as well as other energy storage applications, sodium-ion could offer significant cost, safety and sustainability benefits. Faradion Na-ion technology. Click to enlarge.
While known technologies were shown to be capable of appropriate NO x control, they come with downsides to other product attributes, notably cost, reductant fill frequency where applicable, and ultimately, fuel consumption. The costcomparison is with respect to a Euro 5 baseline. Attribute analysis presented in SIA paper.
Organic compounds that can be obtained from natural biomass with minimum energy consumption are an attractive low-cost and sustainable choice for battery electrode materials, provided a high energy density and long cycling stability can be obtained. Department of Energy’s Advanced Battery Materials Research (BMR) Program.
By comparison, syngas resulting from conventional gasification cannot be converted to pipeline quality natural gas without further processing, thereby adding cost. Integrated Gasification Fuel Cell (IGFC) System Studies (NETL, August 2008).
Comparison of areal capacitances among various EDLC materials. Comparison of areal capacitance for various materials normalized relative to their BET surface areas. Tests showed they lost less than 10% of their performance after 10,000 cycles, which is comparable to existing commercial supercapacitors. —Mircea Dincă.
Researchers in the Cockrell School of Engineering at The University of Texas at Austin have developed a new family of anode materials that can double the charge capacity of lithium-ion battery anodes. It is a simple, low-cost approach that can be applied to a broad range of alloy systems with various working ions such as Li, Na, or Mg.
This research revealed utility energy storage as the most promising of possible applications, with a relatively low expense and abundant battery supply. For B2U, NREL’s repurposing cost calculator is available for free to download , enabling users to explore the effects of different repurposing strategies and assumptions on economics.
at FAA’s National Center of Excellence for Aviation Operations Research ( NEXTOR ) at the University of California, Berkeley, to evaluate an airline’s fuel efficiency relative to both the mobility (straight-line passenger miles between origin and destination) and access (airports served and/or flight frequency) it provides.
Stanford University scientists have created a new ultrahigh surface area three-dimensional porous graphitic carbon material that significantly boosts the performance of energy-storage technologies. c) Comparison of areal capacity and cycling life between HPG carbon/ sulfur electrodes and recently reported high-performance sulfur electrodes.
Researchers from The University of Birmingham (UK) and specialty chemicals company Innospec recently performed a series of experiments in a single-cylinder gasoline direct-injection (GDI) research engine to study the performance of the liquid biofuel 2,5-dimethylfuran (DMF) benchmarked against gasoline and ethanol. Credit: ACS, Zhong et al.
Energy density comparison of the 3D nanotextile electrode and conventional LiMn 2 O 4 , LiCoO 2 , LiFePO 4 , and LiNi 0.5 A team from University of Science and Technology of China and Max Planck Institute in Germany has synthesized 3D V 6 O 13 nanotextiles from interconnected 1D nanogrooves with diameter of 20–50 nm. O 4 electrodes.
The scholarship is administered on behalf of IEEE Educational Activities and is payable over four years of undergraduate university study. In comparison to launching 2,000 to 5,000 balloons that stay up for just two to three hours, my balloon can stay up in the air for 52 days.” He added GPS to track his radiosonde in real time.
While we are open to the idea that very low-cost lithium-ion batteries can be produced, our comprehensive analysis does not show a clear pathway to this based on what we know today. —Rebecca Ciez. This work was supported by a National Science Foundation Graduate Research Fellowship. 2016.11.054.
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. Click to enlarge. The first testing phase of Lotus Engineering’s Omnivore variable compression ratio, flex-fuel direct injection two-stroke engine ( earlier post ) has been successfully completed on gasoline. Cooling system.
A recent paper from the Pikul group at the University of Pennsylvania is exploring a much simpler approach to generating soliton waves: dominoes. In comparison, our cascading dominoes can realize complex paths with both curvature and elevation changes while being actuated by a single actuator.
Researchers at George Washington University led by Dr. Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes).
Dr. Patil has an undergraduate degree from IIT, Bombay (India) and a PhD in Aerospace Engineering from the University of Michigan, Ann Arbor. Manganese is also abundant and low-cost and with the use of proprietary additives, CPI believes a calendar life of more than 15 years is achievable within a vehicle with proper design and operation.
No, this isn’t April Fool’s Day - scientists at the University of Delaware are developing a new low-cost material for hydrogen storage in the form of carbonised chicken feathers. Tags: Green cars Hydrogen fuel Latest news chicken feathers hydrogen cars hydrogen storage University of Delaware.
In 2023, our labs at Google and the University of California, Berkeley came together with 32 other robotics laboratories in North America, Europe, and Asia to undertake the RT-X project , with the goal of assembling data, resources, and code to make general-purpose robots a reality. We decided to give it a try.
Solar charging stations and Conventional charging stations (electricity from coal) comparison. Comparison of P1, P2, P3, P4 configuration of HEV using simulation studies 3. You have to use your university login to access all the technical papers. #33 A BMS with lowcost, high efficiency, etc.
Researchers at Sun Yat-sen University in Guangzhou, China designed and synthesized novel MnO 2 /Mn/MnO 2 sandwich-like nanotube arrays for supercapacitors. Comparison of cycling performance of (1) and (2) for 3000 cycles at 1.5 Credit: ACS, Li et al. Click to enlarge. The specific mass loading is 0.32
Frank is Professor Emeritus, Mechanical and Aeronautical Engineering at the University of California, Davis, where he established the Institute for Transportation Studies (ITS-Davis), and was director of the US Department of Energy’s National Center of Hybrid Excellence at UC Davis. Table of Contents. Engineering Advantages of PHEV.
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