29 Result(s)
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Article
Renewed graphite for high-performance lithium-ion batteries: catalytic graphitization approach
The widespread utilization of lithium-ion batteries has led to an increase in the quantity of decommissioned lithium-ion batteries. By incorporating recycled anode graphite into new lithium-ion batteries, we c...
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Article
Atomically precise photothermal nanomachines
Interfacing molecular machines to inorganic nanoparticles can, in principle, lead to hybrid nanomachines with extended functions. Here we demonstrate a ligand engineering approach to develop atomically precise...
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Article
Effect of carbon modification on the structure and electrochemical properties of recycled graphite anode materials
The recycled graphite (RG) and a new type of recycled graphite with multi-layer coating structure (RGC) were prepared by using spent graphite and asphalt. The electrochemical properties and coatings of RG and ...
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Article
Green & efficient regeneration of graphite anode from spent lithium ion batteries enabled by asphalt coating
The recycling of spent graphite anode is often discarded due to its low added value and strict separation procedures. However, if the graphite (about 10%) contained in spent lithium-ion batteries (LIBs) is not...
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Article
Regenerated LiFePO4/C for scrapped lithium iron phosphate powder batteries by pre-oxidation and reduction method
The cathode materials of scrapped lithium-iron phosphate battery are mainly composed of LiFePO4/C, conductive agent and PVDF, etc. Unreasonable disposal will cause serious environmental pollution and waste of sca...
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Article
Open AccessPolyA-based DNA bonds with programmable bond length and bond energy
DNA-functionalized Au nanoparticles (AuNPs) have been intensively exploited as programmable atom equivalents (PAEs) for the self-assembly of molecule-like structures. However, it remains challenging to build h...
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Article
Effect of Cu impurity on the electrochemical performance of regenerated LiFePO4/C electrode materials
The electrochemical property of lithium-ion batteries (LIBs) is partly determined by the electrode materials. Although enormous researches focus on improving conductivity and structural stability of materials,...
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Article
Programming nanoparticle valence bonds with single-stranded DNA encoders
Nature has evolved strategies to encode information within a single biopolymer to program biomolecular interactions with characteristic stoichiometry, orthogonality and reconfigurability. Nevertheless, synthet...
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Preparation of FePO4 and LiH2PO4 from cathode mixture materials of scrapped LiFePO4 batteries
Typically, LiFePO4 batteries (LFPBs) contain a shell, cathode mixture materials, anode mixture materials, current collector, electrolyte, separator, and other components. Cathode mixture materials are composed of...
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Article
A method for recovering Li3PO4 from spent lithium iron phosphate cathode material through high-temperature activation
Numerous LiFePO4 batteries have been retired with the increasing development of electric vehicles and hybrid electric vehicles; meanwhile, the spent LiFePO4 batteries will lead to an environment contamination and...
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Open AccessA facile recycling and regeneration process for spent LiFePO4 batteries
In response to the potential environment pollution and energy waste caused by the increasing spent lithium iron phosphate batteries (LFPs), many recycling methods have been developed. Among previous studies, t...
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Article
Solving mazes with single-molecule DNA navigators
Molecular devices with information-processing capabilities hold great promise for develo** intelligent nanorobotics. Here we demonstrate a DNA navigator system that can perform single-molecule parallel depth...
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Article
Spin-Polarized Transport Behavior Induced by Asymmetric Edge Hydrogenation in Hybridized Zigzag Boron Nitride and Graphene Nanoribbons
We fused zigzag graphene to boron nitride nanoribbons by gradually do** C atoms at only one edge of the ribbons to design a hybridized ZBxNyCz (x + y + z = 12) structure. To create asymmetric edge hydrogenation...
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Article
Facile synthesis of SiO2/C anode using PVC as carbon source for lithium-ion batteries
SiO2/C composites using polyvinyl chloride (PVC) as carbon sources are prepared successfully via a facile and low-cost approach. In this paper, the effect of four coating ratios on the SiO2/C materials is investi...
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Regenerating of LiNi0.5Co0.2Mn0.3O2 cathode materials from spent lithium-ion batteries
An acidless process route for regenerating LiNi0.5Co0.2Mn0.3O2 materials is applied in this work. The regenerated LiNi0.5Co0.2Mn0.3O2 materials are prepared by calcining the mixture of LiOH·H2O and the spent LiNi
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Article
Regeneration cathode material mixture from spent lithium iron phosphate batteries
Cathode materials mixture (LiFePO4/C and acetylene black) is recycled and regenerated by using a green and simple process from spent lithium iron phosphate batteries (noted as S-LFPBs). Recovery cathode materials...
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Article
Three-dimensionally layers nanosheets of MoS2 with enhanced electrochemical performance using as free-standing anodes of lithium ion batteries
Three-dimensionally (3D) layers nanosheets of MoS2 (3DLN-MoS2) were successfully prepared by the lithium intercalation-exfoliation of n-butylithium to bulk MoS2. It is the first time to use 3DLN-MoS2 film prepare...
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Article
Characterization of CNT–pyrolytic C-layer-coated Al foil: interfacial structures, reactions, and performances
Al foil coated with CNT–pyrolytic C layer of 300 nm (CNT-C/Al) was obtained by heating Al foil coated with CNTs and polymeric precursors in rolls at 580 °C. In CNT-C/Al, distribution of species containing C an...
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Article
Structures and interfaces of CNT: pyrolytic C coated Al foil and its performance as current collector of electrochemical double layer capacitor
Al foil with CNT—pyrolytic C composite layer of 300 nm (CNT-C/Al) has been prepared by coating Al foil with CNT and polymeric precursors and heating it in rolls at 585 °C in argon flow. By Raman analysis, both sp
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Article
Inversion of rectification characteristics modulated by ribbon widths in armchair graphene/h-BN nano-ribbon hetero-junctions with different interface types
The hetero-junctions composed of armchair graphene and hexagonal boron nitride (graphene/h-BN) hybridized nano-ribbons are constructed, and their current rectification characteristics are investigated by using th...
