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O2-Type Li0.78[Li0.24Mn0.76]O2 Nanowires for High-Performance Lithium ...
Continued improvement in the electrochemical performance of Li-Mn-O oxide cathode materials is key to achieving advanced low-cost Li-ion batteries with high energy densities. In this study, O2-type Li 0.78 [Li 0.24 Mn 0.76 ]O 2 nanowires were synthesized by a sol …
Quasi-anisotropic benefits in electrospun nickel ...
Despite having a significantly higher capacity (>1000 mA h g −1) as compared to the conventional graphite anode, the adoption of the conversion-type transition metal oxide (TMO) anodes is restricted due to their inferior cycling stability, sluggish ion transport behavior, high potential plateau vs. Li/Li +, etc. Subsequent developments through …
Nano active materials for lithium-ion batteries
In order to increase energy and power density to meet the future challenges of energy storage, many efforts have been made to develop nano active materials for lithium-ion batteries. Herein we review the advantages of nano active materials for lithium …
Electrolytic-anion-redox adsorption pseudocapacitance in …
Herein, we report that electrolytic-anion-redox adsorption pseudocapacitance, relayed by lithium intercalation in lithium-free transition metal oxide electrodes, can be exploited to boost the total energy density of a battery.
Adsorption and diffusion of lithium on layered silicon for Li-ion ...
The energy density of Li-ion batteries depends critically on the specific charge capacity of the constituent electrodes. Silicene, the silicon analogue to graphene, being of atomic thickness could serve as high-capacity host of Li in Li-ion secondary batteries. ... Nano Lett. 2013 May 8;13(5):2258-63. doi: 10.1021/nl400830u. Epub 2013 …
Lithium-ion storage properties of a micro/nanosheet-like …
Abstract. The micromorphologies of NaV 6 O 15 materials synthesized using the hydrothermal method and calcination comprise staggered micro/nanosheet-like shapes. These materials can act as anode active materials in aqueous rechargeable lithium-ion batteries (ARLBs). NaV 6 O 15 has a charge transfer resistance of several ohms in the …
Mg-doped LiMn0.8Fe0.2PO4/C nano-plate as a high …
Lithium-ion battery cathode materials with the high-voltage platform have turned into research highlights. Manganese-based olivine material LiMn 0.8 Fe 0.2 PO 4 (LMFP), which is synthesized by cheap and environmentally friendly raw materials as precursors, has received high attention due to the higher energy density than commercial lithium iron …
High-Energy Batteries: Beyond Lithium-Ion and Their Long Road …
Nano-Micro Letters (Apr 2022) High-Energy Batteries: Beyond Lithium-Ion and Their Long Road to Commercialisation Yulin Gao, Zhenghui Pan, Jianguo Sun, Zhaolin Liu, John Wang; Affiliations Yulin Gao Department of Materials Science and …
Ionic Pumping Effect at the Tailored Mesoporous Carbon …
Ion transportation at the interface significantly influences the electrochemical performance of the lithium ion battery, especially at high rates and low temperatures. Here, we develop a controlled self-assembly strategy for constructing a mesoporous carbon nanolayer with a uniform pore size and varied thicknesses on the two-dimensional monolayer MXene …
Deep-Learning Aided Atomic-Scale Phase Segmentation toward …
Here, by coupling hard-attention-enhanced U-Net network and geometry simulation with atomic-resolution transmission electron microscopy, we successfully developed a deep-learning tool enabling automated atom-by-atom phase segmentation of intertwined phase domains in technologically important cathode materials for lithium-ion batteries.
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Nanoscale Imaging of Lithium Ion Distribution During …
the energy-dispersive x-ray signal for lithium has too low an energy to detect. We instead tracked the lithiation state of the battery using EELS, which offers chemical fingerprints (core-loss EELS) and electronic structure information (valence EELS). Yet, using EELS to identify lithium in liquids has two obstacles.
Adsorption and diffusion of lithium on layered silicon for Li-ion ...
The energy density of Li-ion batteries depends critically on the specific charge capacity of the constituent electrodes. Silicene, the silicon analogue to graphene, being of atomic thickness could serve as high-capacity host of Li in Li-ion secondary batteries. ... Nano Lett. 2013 May 8;13(5):2258-63. doi: 10.1021/nl400830u. Epub 2013 Apr 23 ...
Lithium-Ion Battery Cycling for Magnetism Control
Nano Lett. 2016 Jan 13;16(1):583-7. doi: 10.1021/acs.nanolett.5b04276. Epub 2016 Jan 1. ... Herein, we demonstrate that magnetization can be controlled via the discharge-charge cycling of a lithium-ion battery (LIB) with rationally designed electrode nanomaterials. Reversible manipulation of magnetism over 3 orders of magnitude was achieved by ...
Eco-friendly strategy for advanced recycling waste
Eco-friendly strategy for advanced recycling waste copper from spent lithium-ion batteries: Preparation of micro-nano copper powder. Author links open overlay panel Chun-chen Nie a, Xi-guang Li a, ... Nano copper powder can be used to prepare catalysts and functional materials [42] which is a high value industrial product [43], [44].
Synthesis of NiO Nano Octahedron Aggregates as High …
The morphology and structure of the precursor and NiO are observed by SEM and TEM, respectively. As shown in Fig. 2 (a) and (b), the precursor is composed of microspheres (∼2.2 μm), which are built by randomly crossed hexagonal nanoplates with an average thickness of 20 nm and side length of 140 nm. The NiO exhibits a hierarchical structure …
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Preparation of three-dimensional free-standing nano …
Preparation of three-dimensional free-standing nano-LiFePO 4 /graphene composite for high performance lithium ion battery ... but it is still a challenge due to large electric resistance for very fast charge transport. In this paper, a nano-LiFePO4/graphene (G/LiFePO4) composite is synthesized by one-pot in situ hydrothermal metho ...
In situ and operando atomic force microscopy of high-capacity nano ...
Silicon is a promising next-generation anode material for high-energy-density lithium-ion batteries. While the alloying of nano- and micron size silicon with lithium is relatively well understood, the knowledge of mechanical degradation and structural rearrangements in practical silicon-based electrodes duri Electrochemical processes at the nanoscale: from …
Nano active materials for lithium-ion batteries
Lithium-ion batteries have been widely used to power portable electronic devices, such as mobile phones, digital cameras, laptops etc., and are considered to be a promising choice of power system for the next generation of electric vehicles, which are central to the reduction of CO(2) emissions aris …
Characterization and Preparation of Nano-porous Carbon …
Characterization and Preparation of Nano-porous Carbon Derived from Hemp Stems as Anode for Lithium-Ion Batteries Nanoscale Res Lett. 2019 Nov 7 ... The porous carbon has an excellent reversible capacity of 495 mAh/g after 100 cycles at 0.2 °C as the anode of lithium-ion battery. Compared with the graphite electrode, the electrochemical ...
Promises and challenges of nanomaterials for lithium …
This paper reports that as anode materials for lithium-ion batteries, nanosized transition-metal oxides deliver high specific capacities (∼ 700 mAh g −1) and good capacity retention for up to...
Nano active materials for lithium-ion batteries
Lithium-ion batteries have been widely used to power portable electronic devices, such as mobile phones, digital cameras, laptops etc., and are considered to be a promising choice of power system for the next generation of electric vehicles, which are central to the reduction of CO 2 emissions arising from transport order to increase energy and power density to …
Electrochemical Preparation of Nano-Sized Silicon as a Lithium-Ion ...
The significance of this study is that nano silicon for preparing lithium ion anode electrode materials can be obtained through a short process with low cost advantage. Conclusions. In this study, a 39.8NaF−59.8LiF−0.2SiO 2 −0.2Na 2 SiO 3 (mol%) molten salt was used to produce Si, and the electrochemical behavior of Si(IV) at 750 °C was ...
How do Lithium Ion Batteries Work? A Nanotechnology Explainer.
During a recent visit to Home Depot I came face to face with a lithium-ion battery, nanotechnology, and my interest in making a wooden-framed mirror. I had my eyes on some shiny, new Dewalt power tools. I decided that it would be much easier to build a wooden frame with a high quality drill and…
Simultaneous Purification and Perforation of Low-Grade Si …
Nano Lett. 2015 Nov 11;15(11):7742-7. doi: 10.1021/acs.nanolett.5b03932. Epub 2015 Oct 28. Authors Yan Jin 1 ... Silicon is regarded as one of the most promising candidates for lithium-ion battery anodes because of its abundance and high theoretical capacity. Various silicon nanostructures have been heavily investigated to improve ...
Nano-sized transition-metal oxides as negative-electrode …
We expect that the use of transition-metal nanoparticles to enhance surface electrochemical reactivity will lead to further improvements in the performance of lithium-ion batteries.
Low-Cost and Large-Scale Fabricating Technology for …
The ever-increasing demand for high power density improves lithium-ion batteries. However, the poor microporous structure and inferior compatibility of separators heighten the lithium-ion migration barrier.
Adsorption and Diffusion of Lithium on Layered Silicon for Li-Ion …
The energy density of Li-ion batteries depends critically on the specific charge capacity of the constituent electrodes. Silicene, the silicon analogue to graphene, being of atomic thickness could serve as high-capacity host of Li in Li-ion secondary batteries.
Lithium-assisted plastic deformation of silicon electrodes in lithium ...
Nano Lett. 2011 Jul 13;11(7):2962-7. doi: 10.1021/nl201501s. Epub 2011 Jun 24. ... Silicon can host a large amount of lithium, making it a promising electrode for high-capacity lithium-ion batteries. Recent experiments indicate that silicon experiences large plastic deformation upon Li absorption, which can significantly decrease the stresses ...