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Researchers at the University of Exeter (UK) have developed a novel p-type LaFeO 3 photoelectrode using an inexpensive and scalable spray pyrolysis method. Tahir (2018) “Unbiased Spontaneous Solar Fuel Production using Stable LaFeO 3 Photoelectrode” Scientific Reports volume 8, Article number: 3501 doi: 10.1038/s41598-018-21821-z.
Stationary energy storage systems that can operate for many cycles, at high power, with high round-trip energy efficiency, and at lowcost are required. Cost is a greater concern. We decided we needed to develop a new chemistry if we were going to make low-cost batteries and battery electrodes for the power grid.
Researchers at Stanford University, with colleagues at Oak Ridge National Laboratory and other institutions, have developed a nickel-based electrocatalyst for low-cost water-splitting for hydrogen production with performance close to that of much more expensive commercial platinum electrocatalysts. Credit: Gong et al.
Researchers from Fudan University in China and Technische Universität Chemnitz in Germany have developed an aqueous rechargeable lithium battery (ARLB) using coated Li metal as the anode. Scientific Reports 3, Article number: 1401 doi: 10.1038/srep01401. mol l -1 Li 2 SO 4 aqueous solution as electrolyte. Wang et al. Click to enlarge.
This article extends the construction of direct solar-to-fuels devices, such as the artificial leaf based on crystalline silicon. Considering recent cost reductions of Si solar cells, this paper offers a path to the construction of lowcost solar-to-fuels devices. —Winkler et al.
Researchers at the University of Delaware, with a colleague at the Beijing University of Chemical Technology, have developed a composite catalyst—nickel nanoparticles supported on nitrogen-doped carbon nanotubes—that exhibits hydrogen oxidation activity in alkaline electrolyte similar to platinum-group metals.
The cathode and electrolyte chemistries elucidated here propel the development of magnesium batteries and would accelerate the adoption of this low-cost and safe battery technology. His group recently published a review article in Nature Energy on the roadmap to better multivalent batteries. —Dong et al.
A team led by researchers from Sandia National Laboratories and the University of California, Merced has developed an efficient molybdenum disulfide (MoS 2 ) catalyst for driving the hydrogen evolution reaction (HER). Work at UC Merced was supported by a university startup fund. —Chen et al. Resources.
NEC Corporation, NEC TOKIN Corporation and TOHOKU UNIVERSITY have jointly created a thermoelectric (TE) device using the spin Seebeck effect (SSE) with conversion efficiency 10 times higher than a test module that was produced based on a multi-layered SSE technology published by the Tohoku University group in 2015.
Researchers in South Korea have developed a simple, low-cost and eco-friendly method of creating nitrogen-doped graphene nanoplatelets (NGnPs) with excellent catalytic performance in both dye-sensitized solar cells and fuel cells to replace conventional platinum (Pt)-based catalysts for energy conversion. —Jeon et al.
Yissum , the Research and Development Company of the Hebrew University of Jerusalem, is offering a novel anode for sodium-ion batteries (Na-ion, NIB) which enables the production of a battery with high capacity, excellent rate capability and good cycle performance. Yissum is the technology transfer company of the University.
A team from the University of Science and Technology Beijing is proposing a new super-valent battery based on aluminium ion intercalation and deintercalation. Owing to its lowcost, easy operation and high security, the aluminium-ion battery has exhibited excellent prospects. Wang et al. Click to enlarge. Batteries'
A new review article in the journal Science highlights emerging opportunities to increase the transformation of lignin to value-added products—i.e., lignin valorization. —Ragauskas et al. Ragauskas, et al., 2014) “Lignin Valorization: Improving Lignin Processing in the Biorefinery.”
A team from Nanyang Technological University (China) has developed a scalable self-assembly strategy to create bio-inspired honeycomb-like hierarchical structures composed of functionalized graphene sheets to work as anodes in lithium-ion batteries. ACS Nano Article ASAP doi: 10.1021/nn2001728. Credit: ACS, Yin et al.
Thus it is of both fundamental and technological significance to improve the performance of Pt-based HER catalysts6 or develop viable alternatives that are of lowcost and high performance for HER electrocatalysis in alkaline electrolytes (e.g., transition metal oxides, chalcogenides, and phosphides).
Researchers at Stanford University led by Drs. Sulfur also possesses other advantages such as lowcost and environmental benignity. Nano Letters Article ASAP doi: /10.1021/nl200658. Schematic of the synthesis steps for a graphene-sulfur composite material, with a proposed schematic structure of the composite.
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. Energy Fuels , Article ASAP doi: 10.1021/ef901344k.
A team of researchers from Kyoto University has demonstrated ion-exchanged MgFeSiO 4 as a feasible cathode material for use in high-energy-density rechargeable magnesium batteries. Electrolyte was 0.5 M magnesium (trifluoromethylsulfonyl)imide (Mg(TFSI) 2 ) in acetonitrile (solvent). Measurement temperature was 55°C. Current density was 6.62
A team at the University of Leeds (UK) is investigating hydrogen production from waste tires using a two-stage pyrolysis-gasification reactor and Ni-Mg-Al (1:1:1) catalyst. Energy Fuels , Article ASAP doi: 10.1021/ef100317b. Schematic diagram of the two-stage pyrolysis-gasification experimental system. Credit: ACS, Elbaba et al.
Researchers at the University of California, Riverside’s Bourns College of Engineering have synthesized a porous nano-silicon material from beach sand (SiO 2 ) via a highly scalable heat scavenger-assisted magnesiothermic—i.e., using a combination of heat and magnesium—reduction. —Favors et al. —Favors et al.
Researchers from South Korea, Case Western Reserve University and University of North Texas have synthesized new inexpensive and easily produced metal-free catalysts—edge-selectively halogenated graphene nanoplatelets (XGnPs)—that can perform better than platinum in oxygen-reduction reactions. Catalysts Fuel Cells'
A team from Harvard University and the Wuhan University of Technology (China) has synthesized novel ultralong hierarchical vanadium oxide (V 2 O 5 nanowires from attached single-crystalline vanadium oxide nanorods via electrospinning combined with annealing and using low-cost starting materials. Credit: ACS, Mai et al.
Researchers at the University of California, Riverside’s Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to fabricate nanosilicon anodes for high-performance lithium-ion batteries.
A team at Stanford University has developed stable silicon Li-ion battery anodes by incorporating a conducting polymer hydrogel into the Si-based material. Nature Communications 4, Article number: 1943 doi: 10.1038/ncomms2941. Schematic illustration of 3D porous SiNP/conductive polymer hydrogel composite electrodes. Click to enlarge.
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). Energy Fuels, Article ASAP doi: 10.1021/ef1004122.
A group of researchers at the University of Campinas (UNICAMP), working in partnership with colleagues at the Brazilian Biorenewables National Laboratory (LNBR) in Campinas, São Paulo State, Brazil, have discovered that Trichoderma harzianum , a fungus found in the Amazon, produces an enzyme with the potential to play a key role in enzyme cocktails.
Researchers from Shanghai University have synthesized Fe 2 O 3 -graphene sheet-on-sheet sandwich-like nanocomposites that, when used as an anode for Li-ion battery, shows a high reversible capacity of 662.4 High-rate cycling performances of Fe 2 O 3 -graphene sheet-on-sheet composite. Kan and Wang. Click to enlarge. Batteries'
Dr. Arumugam “Ram” Manthiram, Professor, University of Texas at Austin. With more than 35 years of experience, Dr. Manthiram’s research is focused on the development of low-cost, high-performance materials for batteries. He has authored more than 850 journal articles.
A team of researchers from the Korea Advanced Institute of Science and Technology, Università degli Studi di Milano-Bicocca (Italy), and Stanford University have synthesized ultrathin LiMn 2 O 4 nanowires for use as a Li-ion cathode material offering high power densities. Article ASAP doi: 10.1021/nl101047f. Click to enlarge.
Increased availability of low CO 2 sources of electricity and hydrogen could counter-intuitively delay, rather than accelerate, a large-scale transition to an electric and/or hydrogen vehicle fleet, according to a new study by researchers from Ford Motor Company and Chalmers University of Technology in Sweden. Anderson, S. Mueller, M.
Scientists at Rice University and the Lawrence Livermore National Laboratory have predicted and created new two-dimensional electrocatalysts—low-cost, layered transition-metal dichalcogenides (MX 2 ) based on molybdenum and tungsten—to extract hydrogen from water with high performance and lowcost.
For 20 years, researchers have shown that CNT membranes offer tremendous promise for a wide variety of uses including the low-cost production of ethanol fuel, precision drug delivery, low-energy desalination of seawater, purification of pharmaceutical compounds, and high-performance catalysis for the production of fuels.
Ayman El-Refaie, Marquette University Now a sleeper option, synchronous reluctance motors , is getting a surge of interest, thanks to materials-science breakthroughs at GE Aerospace. GE Aerospace declined to make a researcher available to be interviewed for this article.) I am a believer that this type of material is a game changer.”
A team from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory has developed a new practical, high-energy-capacity lithium-ion battery anode out of silicon by encapsulating Si microparticles (∼1–3 µm) using conformally synthesized cages of multilayered graphene. —Yi Cui. 2015.29.
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)
Before the development of USB (Universal Serial Bus), it was often tricky to connect external devices. The Universal Serial Bus, which was released in 1996 by Intel , simplified things. The industry as a whole recognized that it had a big problem that needed to be solved,” Jim Pappas said in an Intel article on the USB interface.
You should read our in-depth article on Stretch 3, so if you haven’t yet, consider this as just a teaser. Tony Punnoose Valayil from the Bulgarian Academy of Sciences Institute of Robotics wrote in to share some very lowcost hand rehabilitation robots for home use. Paper ] via [ BruBotics ] Thanks, Bram!
Commercial applications of graphene materials for energy storage devices, including lithium ion batteries and supercapacitors, hinge critically on the ability to produce these materials in large quantities and at lowcost. In practice, however, defect sites of graphene tend to bind functional groups that often contain hydrogen (e.g.,
Chen (2015) “Highly porous non-precious bimetallic electrocatalysts for efficient hydrogen evolution”, Nature Communications 6, Article number: 6567 doi: 10.1038/ncomms7567. The two Cu-Cu-Ti hollow sites exhibit HBE values close to that of Pt. The Cu-Ti-Ti hollow site binds hydrogen too strongly. Click to enlarge.
A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. At the lower C-rate, the cell may stably deliver a capacity of about 1500?mAh
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.
In a new article published in Nature, scientists from Delft University of Technology (The Netherlands) and Aix-Marseille University (France) describe how insects detect gravity. Paper ] D'Manus is a 10 DoF, low-cost, reliable prehensile hand. And how we could perhaps copy from nature. [
Researchers at Stanford University have developed a new low-voltage, single-catalyst water splitter that continuously generates hydrogen and oxygen. using only one material, making good preparations for the scale-up of water photolysis/electrolysis with high efficiency and lowcost.
This article features IEEE Board of Directors members A. He attended the University of Arkansas in Fayetteville for both his undergraduate and graduate degrees. He joined IEEE while at the university and was president of the IEEE–Eta Kappa Nu honor society’s Gamma Phi chapter. Matt Francis, Tom Murad, and Christopher Root.
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