High Voltage LiNi0.5Mn0.3Co0.2O2/Graphite Cell Cycled at 4.6 V with a FEC/HFDEC‐Based Electrolyte
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201700109
Abstract: A high voltage LiNi0.5Mn0.3Co0.2O2/graphite cell with a fluorinated electrolyte formulation 1.0 m LiPF6 fluoroethylene carbonate/bis(2,2,2-trifluoroethyl) carbonate is reported and its electrochemical performance is evaluated at cell voltage of 4.6 V. Comparing with its nonfluorinated electrolyte… read more here.
Keywords: high voltage; voltage; voltage lini0; spectroscopy ... See more keywords
3D Quantification of Microstructural Properties of LiNi0.5Mn0.3Co0.2O2 High‐Energy Density Electrodes by X‐Ray Holographic Nano‐Tomography
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003529
Abstract: Despite significant progress in the field of tomography, capturing the carbon binder domain (CBD) morphology presented in the Li‐ion electrode remains challenging, due to its low attenuation coefficient. In this work, quantitative phase contrast X‐ray… read more here.
Keywords: energy; density electrodes; high energy; lini0 5mn0 ... See more keywords
Mg doping improving the cycle stability of LiNi0.5Mn0.5O2 at high voltage
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-017-3666-4
Abstract: A series of LiNi0.5-xMgxMn0.5O2 (0 ≤ x ≤ 0.1) samples are synthesized by a combination of coprecipitation (CP) and solid-state reaction. After electrochemical measurements, the discharge capacity and cycle stability of LiNi0.5Mn0.5O2 can be obviously improved by Mg doping… read more here.
Keywords: stability lini0; cycle stability; 5mn0 5o2; lini0 5mn0 ... See more keywords
Effects of Li2TiO3 coating on the structure and the electrochemical properties of LiNi0.5Mn0.5O2 cathode materials at high voltages
Sign Up to like & getrecommendations! Published in 2019 at "Ionics"
DOI: 10.1007/s11581-018-2832-8
Abstract: To improve the cycle performance, [email protected] (z = 0, 1, 3 and 5 mol%) (“@” means “was coated on the surface of”) cathode materials have been successfully prepared via a syn-lithiation strategy. The high-resolution transmission electron microscope (HRTEM)… read more here.
Keywords: 5mn0 5o2; cathode materials; surface; performance ... See more keywords
New synthesis strategies to improve Co-Free LiNi0.5Mn0.5O2 cathodes: Early transition metal d0 dopants and manganese pyrophosphate coating
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.228591
Abstract: Abstract In this work, we report solution-based doping and coating strategies to improve the electrochemical performance of the Co-free layered oxide cathode LiNi0.5Mn0.5O2 (NM-50/50). Small amounts of d0 dopants (e.g., Mo6+and Ti4+, 0.5–1 at. %) increase… read more here.
Keywords: synthesis; spectroscopy; lini0 5mn0; 5mn0 5o2 ... See more keywords
Performance and ageing behavior of water-processed LiNi0.5Mn0.3Co0.2O2/Graphite lithium-ion cells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.229097
Abstract: Abstract In this study, water-processed LiNi0.5Mn0.3Co0.2O2 cathodes (NMC532) are investigated. Notably, corrosion of aluminum current collector occurring in aqueous processing owing to alkalinity of NMC slurry is avoided through addition of phosphoric acid which buffers… read more here.
Keywords: water processed; water; spectroscopy; 5mn0 3co0 ... See more keywords
Suppressed Lattice Oxygen Release via Ni/Mn Doping from Spent LiNi0.5Mn0.3Co0.2O2 toward High-Energy Layered-Oxide Cathodes.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03090
Abstract: LiCoO2 has suffered from poor stability under high voltage as a result of insufficient Co-O bonding that causes lattice oxygen release and lattice distortions. Herein, we fabricated a high-voltage LiCoO2 at 4.6 V by doping… read more here.
Keywords: spent lini0; lini0 5mn0; oxygen release; oxygen ... See more keywords
Study of Immersion of LiNi0.5Mn0.3Co0.2O2 Material in Water for Aqueous Processing of Positive Electrode for Li-Ion Batteries.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b00999
Abstract: The understanding of the phenomena occurring during immersion of LiNi0.5Mn0.3Co0.2O2 (NMC) in water is helpful to devise new strategies toward the implementation of aqueous processing of this high-capacity cathode material. Immersion of NMC powder in… read more here.
Keywords: water; immersion lini0; 5mn0 3co0; immersion ... See more keywords
Synthesis Routes on Electrochemical Behavior of Co-Free Layered LiNi0.5Mn0.5O2 Cathode for Li-Ion Batteries
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28020794
Abstract: Co-free layered LiNi0.5Mn0.5O2 has received considerable attention due to high theoretical capacity (280 mAh g−1) and low cost comparable than LiCoO2. The ability of nickel to be oxidized (Ni2+/Ni3+/Ni4+) acts as electrochemical active and has… read more here.
Keywords: 5mn0 5o2; layered lini0; lini0 5mn0; solid state ... See more keywords