Phase Transformation of Nickel‐Rich Phases in Al–Si Alloy Under Thermal Exposure
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Engineering Materials"
DOI: 10.1002/adem.202000814
Abstract: Al–11.5Si–xCu–yNi–Mg alloys with different Cu and Ni contents are prepared. The microstructure of the alloy and phase transformation of Al3CuNi are investigated by X‐ray diffraction (XRD), optical microscope, scanning electron microscopy (SEM), transmission electron microscopy… read more here.
Keywords: phase; exposure; microscopy; nickel rich ... See more keywords
Challenges and Strategies to Advance High‐Energy Nickel‐Rich Layered Lithium Transition Metal Oxide Cathodes for Harsh Operation
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DOI: 10.1002/adfm.202004748
Abstract: Nickel‐rich layered lithium transition metal oxides (LiNi1−x−yCoxMnyO2 and LiNi1−x−yCoxAlyO2, x + y ≤ 0.2) are the most attractive cathode materials for the next generation lithium‐ion batteries for automotive application. However, they suffer from structural/interfacial instability… read more here.
Keywords: rich layered; lithium transition; layered lithium; nickel rich ... See more keywords
Improved Stability of Layered and Porous Nickel‐Rich Cathode Materials by Relieving the Accumulation of Inner Stress
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DOI: 10.1002/cssc.201902385
Abstract: The commercial application of high-capacity LiNi0.8 Co0.1 Mn0.1 O2 is impeded by its inferior cycling stability, which has been attributed to structural instability caused by stress accumulation during both calcination and cycling. A porous structure… read more here.
Keywords: rich cathode; nickel rich; stability; accumulation ... See more keywords
Construction of low-impedance and high-passivated interphase for nickel-rich cathode by low-cost boron-containing electrolyte additive.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202200543
Abstract: The nickel-rich cathode LiNi0.8Co0.1Mn0.1O2 (NCM811) possesses the advantages of high reversible specific capacity and low cost, thus regarded as a promising cathode material for lithium-ion batteries (LIBs). However, the capacity of the NCM811 decays rapidly… read more here.
Keywords: nickel rich; capacity; low cost; cathode ... See more keywords
Electrochemical performances of nickel-rich single-crystal LiNi0.83Co0.12Mn0.05O2 cathode material synthesized by tuning Li+/Ni2+ mixing.
Sign Up to like & getrecommendations! Published in 2023 at "ChemSusChem"
DOI: 10.1002/cssc.202300417
Abstract: Single-crystal nickel-rich materials are promising alternatives to polycrystalline cathodes owing to their excellent structure stability and cycle performance, while the kind of cathode material usually appears high cation mixing, which may have a negative effect… read more here.
Keywords: single crystal; crystal; nickel rich; cathode material ... See more keywords
Induction and Maintenance of Local Structural Durability for High‐Energy Nickel‐Rich Layered Oxides
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DOI: 10.1002/smtd.202200255
Abstract: Nickel‐rich layered oxides are one of the most promising cathode candidates for next‐generation high‐energy‐density lithium‐ion batteries. However, due to similar ion radius between Li+ and Ni2+(0.76 and 0.69 Å), the Li+/Ni2+ mixing phenomenon seriously hinders… read more here.
Keywords: high energy; nickel rich; energy; rich layered ... See more keywords
The effect of synthesis and zirconium doping on the performance of nickel-rich NCM622 cathode materials for Li-ion batteries
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-021-04933-x
Abstract: Among the cathode materials for advanced Li-ion batteries, nickel-rich Ni-Co-Mn (NCM) LiNixCoyMnyO2 (x > 0.5, x + 2y = 1) attracts great interest as promising materials owing to their high capacity, low cost, good cycling… read more here.
Keywords: cathode materials; effect; effect synthesis; ion batteries ... See more keywords
Effect of stirring environment humidity on electrochemical performance of nickel-rich cathode materials as lithium ion batteries
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DOI: 10.1007/s11581-020-03708-0
Abstract: The effect of moisture absorption of the nickel-rich cathode material during the stirring process on electrochemical performance was studied. Studies have shown that the sample stirred in low humidity has better electrochemical performance. At 0.2… read more here.
Keywords: effect; rich cathode; nickel rich; humidity ... See more keywords
High-performance lithium-ion batteries combined with bi-functionalized electrolyte additive and nickel-rich layered oxides
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.155155
Abstract: Abstract Nickel-rich layered oxide-based cathode materials have received significant attention, however, relatively unstable cycling performance due to poor surface stability restricts their widespread use in the energy industry. The addition of a sulfone and amine… read more here.
Keywords: cathode; electrolyte; nickel rich; spectroscopy ... See more keywords
Pre-oxidizing the precursors of Nickel-rich cathode materials to regulate their Li+/Ni2+ cation ordering towards cyclability improvements
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2018.06.091
Abstract: Abstract Layered Nickel-rich cathode materials (LiNi0.8Co0.1Mn0.1O2) with high Ni content attract much attention of public owing to their higher specific capacity compared with LiCoO2. However, the rapid capacity fading hinders the commercialization of LiNi0.8Co0.1Mn0.1O2. The… read more here.
Keywords: cation; pre oxidization; rich cathode; nickel rich ... See more keywords
Artificial cathode-electrolyte interphases on nickel-rich cathode materials modified by silyl functional group
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.01.050
Abstract: Abstract Nickel-rich nickel-cobalt-manganese layered oxides receive significant attention as advanced cathode materials, however, they suffer from poor cycling performance at elevated temperature because of surface instability. In this study, we develop nickel-rich cathode materials modified… read more here.
Keywords: rich cathode; nickel rich; cathode electrolyte; artificial cathode ... See more keywords