High‐Voltage Spinel and Li2MnO3 Composite Structure Construction in LiMn0.8Ni0.2O2 for Manganese‐Based Lithium‐Ion Battery Cathode Materials
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202300217
Abstract: Layered Mn‐based oxides are promising candidates for next‐generation high‐energy‐density cathodes of rechargeable batteries owing to their prominent energy density and cost‐effectiveness. However, the obvious structural degradation such as the layered‐to‐spinel transformation, associating with deteriorated electrochemical… read more here.
Keywords: voltage spinel; high voltage; structure; composite structure ... See more keywords
Laser-Assisted Surface Lithium Fluoride Decoration of a Cobalt-Free High-Voltage Spinel LiNi0.5Mn1.5O4 Cathode for Long-Life Lithium-Ion Batteries.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c18918
Abstract: High-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising next-generation cathode material due to its structural stability, high operation voltage, and low cost. However, the cycle life of LNMO cells is compromised by detrimental electrode-electrolyte reactions, chemical… read more here.
Keywords: voltage spinel; high voltage; surface; voltage ... See more keywords
Dynamic Structure Evolution of Extensively Delithiated High Voltage Spinel Li1+xNi0.5Mn1.5O4 x < 1.5.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c09621
Abstract: High voltage spinel is one of the most promising next-generation cobalt-free cathode materials for lithium ion battery applications. Besides the typically utilized compositional range of LixNi0.5Mn1.5O4 0 < x < 1 in the voltage window… read more here.
Keywords: voltage spinel; high voltage; structure; 5mn1 5o4 ... See more keywords
Understanding the cation ordering transition in high-voltage spinel LiNi0.5Mn1.5O4 by doping Li instead of Ni
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-07139-2
Abstract: We determined how Li doping affects the Ni/Mn ordering in high-voltage spinel LiNi0.5Mn1.5O4(LNMO) by using neutron diffraction, TEM image, electrochemical measurements, and NMR data. The doped Li occupies empty octahedral interstitials (16c site) before the… read more here.
Keywords: high voltage; transition; voltage spinel; lini0 5mn1 ... See more keywords