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Researchers in Korea have developed three-dimensional monolithic corrugated graphene on nickel foam electrode as a Li metal storage framework in carbonate electrolytes. Therefore, hybrid engineering to prevent dendritic Li growth and increase the coulombic efficiency in highly reactive electrolytes is essential. —Kang et al.
A team from metals research institute SWERIM in Sweden reports on a smelting reduction process to recover cobalt, nickel, manganese and lithium simultaneously from spent Li-ion batteries. The absence of a slag allows a nearly 100% recovery of Co, Ni, and Mn in the formed alloy and a nearly 100% recovery of lithium in the flue dust.
Li metal anodes and Ni-rich layered oxide cathodes with high reversible capacities are promising candidates for the fabrication of high energy density batteries. Li/Li + ). O 2 full cell, with a high Coulombic efficiency of 99.98% after 100 cycles at 25 °C. —Lee et al. Yongwon Lee et al. 2019.104309.
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.,
Key components, cell voltage, and cell capacity of Li-ion battery (a), Ni-MH battery (b), and the proposed Ni-Li battery (c). Credit: ACS, Li et al. The proposed Ni-Li battery offers both a high cell voltage (3.49 Click to enlarge. Earlier post.].
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
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 MoC via carbon bridge bonds, forming a Ni 1 –C x motif on the carbide surface. -MoC MoC via carbon bridge bonds, forming a Ni 1 –C x motif on the carbide surface.
Researchers at Pacific Northwest National Laboratory (PNNL) have used a novel Ni-based metal organic framework (Ni-MOF) significantly to improve the performance of Li-sulfur batteries by immobilizing polysulfides within the cathode structure through physical and chemical interactions at molecular level. Li-S anode work.
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 Pairing a Li-metal anode in this electrolyte with and LiNi 0.6
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.
Despite these disadvantages, Li-ion batteries are widely used because they provide high energy density, high specific power, and long cycle life—attributes that must also be met by any alternative battery system in order to compete for market share. The shaded areas highlight the specific energy range of common battery chemistries.
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 Mn 0.525 Ni 0.175 Co 0.1 Mn 0.525 Ni 0.175 Co 0.1 136 Wh kg ?1
High-energy nickel (Ni)–rich cathode will play a key role in advanced lithium (Li)–ion batteries, but it suffers from moisture sensitivity, side reactions, and gas generation. We observe reversible planar gliding and microcracking along the (003) plane in a single-crystalline Ni-rich cathode. —Bi et al.
The inhomogeneous and uncontrollable aggregation of Li at electrode/electrolyte interface would always lead to notorious dendrite growth and limit their further application due to the unsatisfying electrochemical performance and severe safety issues. —Zhou et al. Comparative illustration of graphite layers and atomic channels.
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)
. … It should be noted, the cost and sustainability of lithium-ion batteries are not only limited by the production of Co and Ni but also potentially limited by the lithium element itself. … The price of Co fluctuates significantly, with the inconspicuous fall of Ni price and continues growing of Li price. —Li et al. (a)
graduate Wangda Li. codoped NMC (NMCAM) of identical Ni content (89 mol%) synthesized in?house. Ni NMA operates at a higher voltage by ?40 Ni NMA outperforms both NMC and NCA and only slightly trails NMCAM and a commercial cathode after 1000 deep cycles. —Li et al. —Wangda Li. nickel LiNi 1?x?y
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.
Solid-state lithium batteries comprise solid electrodes and a solid electrolyte that exchange lithium (Li) ions during charging and discharging. Solid-state lithium (Li) batteries using spinel-oxide electrode materials such as LiNi 0.5 Here, we demonstrate stable battery cycling between the Li 0 Ni 0.5 O 4 interfaces.
. … it is remarkable that almost all Li-ion cathode materials rely on only two transition metals, Ni and Co, which are the electroactive elements in the layered-rocksalt cathode materials in the Li(Ni,Mn,Co)O 2 chemical space (NMCs). Electrochemical performance of Li 2 Mn 2/3 Nb 1/3 O 2 F. —Lee et al.
We were able to achieve atomic scale control over MoS 2 nanoribbon width by using Ni nanoparticles as a seed that enables nanoribbon growth via vapor-liquid-solid (VLS) mechanism. Xufan Li, senior scientist at HRI-US, lead. Xufan Li, Baichang Li, Jincheng Lei, Ksenia V. —,Dr.
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.
Although lithium-metal batteries are attractive as a higher-capacity energy storage solution than current Li-ion batteries, their stability poses a challenge because the electrode materials react with common electrolyte systems, affecting stability. The team reports on the lithium metal battery in an open-access paper in Joule.
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
(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 The Li[Ni 0.67
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
A team of researchers from CNRS, IPB and SAFT in France and UMICORE in Belgium report on the synthesis and performance of a new high-power cathode material for Li-ion batteries (NMCA) in a paper in the Journal of Power Sources. Li 1.11 (Ni 0.40 Biensan (2011) Li(Ni 0.40 Al 0.05 ) 0.89 Al 0.05 ) 0.89 Al 0.05 ) 0.89
Researchers at the Ulsan National Institute of Science and Technology (UNIST) in Korea have developed an innovative electrolyte additive that enables a high-energy-density Li-ion battery to retain more than 80% of its initial capacity even after hundreds of cycles. O 2 cathodes. Park et al.
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.
The options for high-manganese cathodes include LMO (lithium-manganese oxide), LNMO (lithium-nickel-manganese oxide), Li-Mn-rich (also abbreviated as LMR-NMC), and LMP (lithium manganese phosphate) or LMFP (lithium-manganese-iron phosphate). Comparison between NMC 811 and three high-manganese cathodes (LMFP, Li-Mn-rich, LNMO).
A team from the Universidad Politécnica de Valencia and the Universidad de Valencia has synthesized a hybrid graphene-nickel/manganese mixed oxide that, when used as an anode material for Li-ion batteries, shows a maximum capacity of 1030 mAhg -1 during the first discharge; capacity values higher than 400 mAhg -1 were still achieved after 10 cycles.
The fabricated batteries, reported in the journal ACS Applied Materials & Interfaces , showed excellent electrochemical properties that greatly surpass those of traditional and ubiquitous Li-ion batteries. cm 2 in solid-state Li batteries with Li(Ni 0.5 Structure of the thin-film all-solid-state batteries. 8b08506.
Researchers from Korea and the US have developed a new concentration-gradient Li[Ni 0.83 The new material was successfully synthesized via co-precipitation, in which the core Li[Ni 0.9 Mn 0.05 ]O 2 was encapsulated completely with a stable concentration-gradient layer having reduced Ni content. Earlier post.)
Researchers from the Samsung Advanced Institute of Technology (SAIT) and the Samsung R&D Institute Japan (SRJ) have developed a new high-performance all-solid-state lithium metal battery that uses, for the first time, a silver-carbon (Ag-C) composite layer as the anode with no excess Li. The paper appears in Nature Energy.
In an open-access paper in the RSC journal Chemical Communications , the team reports that Li/LT-LiMn 0.5 Recent development of layered Li(Ni 1-x-y Mn x Co y )O 2 cathodes (NMCs) has focused on increasing the nickel content while decreasing the cobalt content to optimize energy and cost. The novel LiMn 0.5 V and ~4.6
Researchers in France and Spain have designed a nickel nitride material for use as an anode in Li-ion batteries that shows good reversible capacity. Ni 3 N ‘cast’ electrodes exhibited good rate capability, with 500 mAh g -1 reversible capacity maintained after 10 cycles at a rate of 1 Li per h. —Gillot et al.
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. Wang et al.
Resources Li, J., By electrocatalyst (Rh1Cu single-atom alloy) and cathode redox pair (Co 0.2 OH) 2 ) design, the battery produces furfuryl alcohol in charging process and produces furoic acid in discharging process, reaching a high open circuit voltage of 1.29 V V and power density of 107 mW cm −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
formerly Hitachi Metals, earlier post ) has developed a technology to manufacture cathode materials for lithium-ion batteries (LIBs) without the previously required process of converting nickel to nickel hydroxide(Ni(OH) 2 ) to produce a precursor that is used as the starting material for the manufacture of cathode materials. Proterial, Ltd.,
have developed two cobalt-free mixed metal oxide cathode materials for Li-ion batteries containing 20% iron: Li 1+x (Fe 0.2 Mn 0.4 ) 1-x O 2 and Li 1+x (Fe 0.2 Researchers at Japan’s National Institute of Advanced Industrial Science and Technology (AIST), in collaboration with Tanaka Chemical Corp., Mn 0.6 ) 1-x O 2.
Nickel metal hydride (Ni-MH) batteries have key technology advantages for applications in new-energy vehicles, power tools, modern military devices etc. Their candidate alloy—La 0.62 corresponding to (LaCeYMg) (NiCoMnAl) 4.5 ] exhibits a high capacity of 326.7 A paper on their work is published in the Journal of Power Sources.
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