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A new ternary Sn–Ni–P anode material for Li-ion batteries shows high reversible capacity and excellent coulombic efficiency, with an initial discharge capacity and charge capacity of 785.0 The Sn–Ni–P alloy rods array electrode is mainly composed of pure Sn, Ni 3 Sn 4 and Ni–P phases. mAh g -1 and 567.8
A team from Peking University and colleagues have now developed a nickel-supported over face-centered cubic (fcc) phase ?-MoC Under optimized conditions, Ni/?-MoC In a paper in the Journal of the American Chemical Society , the team reported that Ni is atomically dispersed over ?-MoC 0c10776.
Researchers have developed a nickel-stabilized, ruthenium dioxide (Ni-RuO 2 ) anode catalyst for proton exchange membrane (PEM) water electrolysis. The Ni-RuO 2 catalyst shows high activity and durability in acidic OER for PEM water electrolysis. Boyang Li of the University of Pittsburgh is co-lead author of the paper.
Researchers at Nanjing University (China) have introduced a new layered C2/m oxide—Li 2 Ni 0.2 Compared with Li 2 MnO 3 (LMO), LNMR displays superior capacity, a more stable capacity retention rate, higher energy density and average discharge voltage. In such materials, 1/3 of the TM sites are occupied by Li phase.
of Li deposition and stripping, along with an anodic stability of >5.5 Pairing a Li-metal anode in this electrolyte with and LiNi 0.6 mAh/cm 2 ) created a NMC622||Li cell, which showed a high capacity retention of 86% after 100 cycles at a high cutoff voltage of 4.6 When coupled with a high Ni-content cathode such as LiNi 0.6
A team led by researchers at Chungnam National University (S. Korea) has developed a novel high-voltage electrolyte additive, di-(2,2,2 trifluoroethyl)carbonate (DFDEC), for use with the promising lithium-rich layered composite oxide high-energy cathode material xLi 2 MnO 3 ·(1-x)LiMO 2 (M = Mn, Ni, Co). O 2 (Li 1.2 O 2 (Li 1.2
Researchers from the University of California San Diego (UCSD) and the University of Texas at Austin, with colleagues at the US Army Research Laboratory and Lawrence Berkeley National Laboratory, have developed a thick cobalt-free high voltage spinel (LiNi 0.5 —Li et al. (a) —Li et al. Earlier post.).
A research team in China has developed a new type of electrolyte for high-energy Li-ion batteries with a self-purifying feature that opens a promising approach for electrolyte engineering for next-generation high-energy Li-ion batteries. Electrochemical performance of Li||NMC811 half-cells using different electrolytes. (a)
A team from Central South University in China has developed a new type of deep eutectic solvent (DES) that can efficiently leach metal elements from spent Ni-Co-Mn lithium-ion batteries (LNCM). The leaching rates of Ni, Co, Mn, and Li can all reach 99% under the conditions of T=140°C, t=10 min and no reductant.
Researchers at the Helmholtz Institute Ulm (HIU), founded by the Karlsruhe Institute of Technology (KIT) in cooperation with the University of Ulm, have developed a new lithium-metal battery that offers extremely high energy density of 560 Wh/kg—based on the total weight of the active materials—with remarkably good stability.
Researchers in South Korea report the synthesis of high capacity Mn-rich mixed oxide cathode materials for Li-ion batteries. Novel cathode active materials, Li[Li x (Ni 0.3 The newly Mn-rich cathode active materials were then adopted as cathodes to show the benefits for Li-ion rechargeable batteries.
The team of scientists, with collaborators from Columbia and Rice Universities as well as Oak Ridge National Laboratory, co-authored an open-access paper published in Science Advances describing the work. Xufan Li, senior scientist at HRI-US, lead. Xufan Li, Baichang Li, Jincheng Lei, Ksenia V. —,Dr.
Scientists at Tokyo Institute of Technology (Tokyo Tech), Tohoku University, National Institute of Advanced Industrial Science and Technology, and Nippon Institute of Technology, have demonstrated by experiment that a clean electrolyte/electrode interface is key to realizing high-capacity solid-state lithium batteries (SSLBs). O 4 interfaces.
Researchers from the Cockrell School of Engineering at The University of Texas at Austin have developed a cobalt-free high-energy lithium-ion battery, eliminating the cobalt and opening the door to reducing the costs of producing batteries while boosting performance in some ways. graduate Wangda Li. —Li et al. 2020) “High?Nickel
SEM of Li[Ni 0.64 Mn 0.18 ]O 2 particle with concentration gradient of Ni, Co, and Mn contents. In this material (Li[Ni 0.64 Comparison of cycling performance of half cell based on bulk Li[Ni 0.64 and concentration-gradient material Li[Ni 0.64 From Sun et al. Click to enlarge.
The selected projects, led by universities, national laboratories, and the private sector aim to develop commercially scalable technologies that will enable greater domestic supplies of copper, nickel, lithium, cobalt, rare earth elements, and other critical elements. Feedstocks will include Li/Ni/Ca/Mg-rich igneous and sedimentary minerals.
A team from Tohoku University and Tokyo Tech have addressed one of the major disadvantages of all-solid-state batteries by developing batteries with a low resistance at their electrode/solid electrolyte interface. cm 2 in solid-state Li batteries with Li(Ni 0.5 Structure of the thin-film all-solid-state batteries.
(a) SEM image and (b) cross-sectional images of Li[Ni 0.67 A team from Hanyang University (Korea), Iwate University (Japan) and Argonne National Laboratory in the US synthesized a novel Li[Ni 0.67 The discharge capacity of the concentration-gradient Li[Ni 0.67 and Li[(Ni 0.8
Researchers at Argonne National Laboratory have developed a new approach to cobalt-free Li-ion cathodes that avoids some of the problems with other low-cobalt cathode approaches. Ni is in between Co and Mn in all these criteria. Ni, Mn, Co; NMC) oxides with low Mn and Co contents, e.g., NMC-811.
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. g cm -3 ; a two-sloped full concentration gradient (TSFCG) Li[Ni 0.85 O 2 , Li[Ni 0.85 O 2 (NCM) and Li[Ni 0.8
Cycling characteristics of 700 nm 3D(Si,Ni) at 1C showing a reversible specific capacity of 1,650 mAh/g after 120 cycles of charge/discharge. A 700 nm 3D(Si,Ni) material at 1C showing a reversible specific capacity of 1650 mAh/g after 120 cycles of charge/discharge. Ni film; selectively etched copper from the microstructure of Cu?
Simulated zone projection image based on LMNO crystal model with 20% Ni/Li disorder corresponding to blue rectangle. Simulated zone projection image based on LMNO crystal model with 10% Ni/Li disorder corresponding to white rectangle. For example, a layered composite based on lithium nickel manganese oxide Li 1.2
Out of several candidates that could replace Li in rechargeable batteries, calcium (Ca) stands out as a promising metal. Not only is Ca 10,000 times more abundant than Li, but it can also yield—in theory—similar battery performance. Haesun Park, Chung-Ang University, co-corresponding author. —Prof.
and the University of South Florida announced that they have exceeded the 2010 Department of Energy (DOE) goals for solid state hydrogen storage. Reversible hydrogen storage behavior of nano-MgH 2 destabilized Li-Mn-B-H systems. Ni, Co, Fe, 3-10 nm, patented and manufactured by QuantumSphere Inc). QuantumSphere, Inc.
Haohong Duan and a team of researchers from Tsinghua University in Beijing, China, have now succeeded in obtaining both value-added chemicals during the operation of a hybrid flow battery, increasing the cost efficiency of the battery system. Resources Li, J., By electrocatalyst (Rh1Cu single-atom alloy) and cathode redox pair (Co 0.2
Researchers from Nanchang Hangkong University in China have developed a direct electro-oxidation method for lithium leaching from spent ternary lithium-ion batteries (T-LIBs) (Li 0.8 In a paper in the ACS journal Environmental Science & Technology they report that 95.02% of Li in the spent T-LIBs was leached under 2.5
mol l -1 Li 2 SO 4 aqueous solution as electrolyte. 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. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up.
Researchers at Jilin University in China have proposed a new strategy for designing hydrogen storage alloys with high capacity and long cycling life to improve the discharge capacity and cycling life of nickel metal hydride (NiMH) batteries. Their candidate alloy—La 0.62 Following this strategy, a new AB 4.5 —Wang et al.
Researchers from the University of Rome Sapienza (Italy) and Hanyang University (S. Korea) are developing a new advanced lithium-ion battery featuring a high capacity Sn-C nanostructured anode and a high rate, high-voltage Li[Ni 0.45 While Lithium metal alloys (Li-M, M = Sn, Si, Sb, etc.) Click to enlarge.
Now, Purdue University innovators have created a hybrid technique to fabricate a nanotwinned form of nickel that may help the future production of lifesaving medical devices, high-tech devices and vehicles with strong corrosion-resistant protection. —Li et al.
On the order of 1 billion 40 kWh Li-based EV batteries could be built with the currently estimated reserve base of lithium, according to a recent study by researchers from Lawrence Berkeley National laboratory and the University of California, Berkeley. 90% for Li-ion couples). Source: Wadia et al. Click to enlarge. Suitability.
Researches at Hanyang University in Seoul, S. Korea, have developed a Li-metal battery (LMB) (specifically, a Li/NCM battery) designed with EV operating requirements in mind that they say outperforms LMBs reported in the literature to date. Li metal, with theoretical capacity of 3860 mAh g ?1
University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst. Other two amorphous bimetallic, Ni 0.4 O x and Ni 0.33 Zinc-air batteries are powered by zinc metal and oxygen from the air. —Wei et al.
Researchers at Washington State University, with colleagues at Argonne National Laboratory and Pacific Northwest National Laboratory, have combined inexpensive nickel and iron in a very simple, five-minute process to create large amounts of a high-quality catalyst required for water splitting. —Fu et al. 2017.12.010.
Hongjie Dai and his research lab at Stanford University have developed a prototype that can generate hydrogen fuel from seawater. Other co-lead authors include visiting scientist Yun Kuang from Beijing University of Chemical Technology and Yongtao Meng of Shandong University of Science and Technology. to 1 A/cm 2 ) over 1,000 h.
Charge and discharge profile of first and second cycles of Li 2 MnSiO 4 samples measured at 45 °C at 0.02C rate. Researchers from Tohoku University, Japan, have developed novel ultrathin Li 2 MnSiO 4 nanosheets for use as a cathode material in lithium-ion batteries. The Li/Li 2 MSiO 4 cells were cycled between 1.5
In particular, they proposed that Li 4 CrTiO 6 and Li 4 CrMnO 6 , in which Cr 6+ oxidation is accessible during lithium extraction, are worthy candidates. (Cr The concept of incorporating a Li 2 MnO 3 component into a conventional layered LiM′O 2 structure has received substantial attention to date. —Kim et al.
A team led by Argonne National Laboratory and including Brookhaven and Lawrence Berkeley National Laboratories and the University of Utah, is developing a new high energy redox couple (250 Wh/kg) based on a high-capacity full gradient concentration cathode (FCG) (230 mAh/g) ( earlier post ) and a Si-Sn composite anode (900 mAh/g).
Schematic illustration of a Li-O 2 cell employing a mesoporous catalytic polymer membrane. A modified Li-O 2 battery with a catalytic membrane showed a stable cyclability for 60 cycles with a capacity of 1000 mAh/g and a reduced degree of polarization (?0.3 Credit: ACS, RYu et al. Click to enlarge.
Other silicon anode projects supported by the DOE includes those being done by Amprius, Angstrom Materials and NC State University. As an example, the military’s BB-2590 Li-ion battery used in a range of portable systems calls for a cycle life of ≥224 and ≥ 3 years.). Elements in achieving the Envia 400 Wh/kg cell. Earlier post.)
a 100% subsidiary of Nissan Motor Company, developed the analysis method in a joint R&D effort with Tokyo University, Kyoto University and Osaka Prefecture University. manganese (Mn), cobalt (Co), nickel (Ni), oxygen (O)—were emitting electrons and how many electrons were actually being emitted. Nissan Arc Ltd.,
Researchers from the Korea Advanced Institute of Science and Technology (KAIST), with colleagues from the Korea Institute of Energy Research (KIER), Qatar University and major battery manufacturer LG Chem have developed a technique for the delicately controlled prelithiation of SiO x anodes for high-performance Li-ion batteries.
In a discovery that could reduce or even eliminate the use of cobalt—which is often mined using child labor—in the batteries that power electric cars and other products, scientists at the University of California, Irvine (UCI) have developed a long-lasting alternative made with nickel. The LiNi 0.5 V vs graphite, at 1 C, 1.5 mA cm
Researchers at the University of Maryland (UMD), the US Army Research Laboratory (ARL), and Argonne National Laboratory (ANL) have developed a non-flammable fluorinated electrolyte that supports the most aggressive and high-voltage cathodes in a Li-metal battery. Li metal offers one of the highest specific capacities (3,860 mAh g ?1
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