Enhancing electrochemical performance of Li/LiMn2O4 cell at elevated temperature by tailoring cathode interface via diethyl phenylphosphonite (DEPP) incorporation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Electrochemistry"
DOI: 10.1007/s10800-017-1108-8
Abstract: Diethyl phenylphosphonite (DEPP) is used as a novel electrolyte additive to improve the cyclability of spinel LiMn2O4 upon cycling at elevated temperature (55 °C). The charge/discharge cycling stability results indicate that capacity retention of Li/LiMn2O4 cell… read more here.
Keywords: oxidation; elevated temperature; electrolyte; limn2o4 ... See more keywords
Facile synthesis of 2D graphene oxide sheet enveloping ultrafine 1D LiMn2O4 as interconnected framework to enhance cathodic property for Li-ion battery
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.08.210
Abstract: Abstract Cubic spinel lithium manganese oxide (LiMn2O4) has been able to attract a great deal of attention over the years as a promising cathode material for large-scale lithium-ion batteries. Here a facile hydrothermal route followed… read more here.
Keywords: enhance cathodic; oxide sheet; limn2o4; cathodic property ... See more keywords
Spinel LiMn2O4 cathode materials for lithium storage: The regulation of exposed facets and surface coating
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.002
Abstract: Abstract Minimal Mn dissolution was achieved with surface Mn4+-rich phase-modified truncated octahedral spinel LiMn2O4 with exposed {111} planes, which was synthesized via a simple hydrothermal reaction, followed by high temperature calcination in an oxygen atmosphere.… read more here.
Keywords: surface; rich phase; limn2o4; spinel limn2o4 ... See more keywords
A dual-carbon-anchoring strategy to fabricate flexible LiMn2O4 cathode for advanced lithium-ion batteries with high areal capacity
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.104256
Abstract: Abstract Lithium transition metal oxides (LTMOs) are important cathode materials in lithium-ion batteries (LIBs). Constructing the robust hybrid of LTMO-flexible substrate is of great significance for developing advanced flexible LIBs. However, currently reported flat noble… read more here.
Keywords: high areal; carbon; cathode; limn2o4 ... See more keywords
Nanoscaled LiMn2O4 for Extended Cycling Stability in the 3 V Plateau
Sign Up to like & getrecommendations! Published in 2022 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.2c10798
Abstract: Extending the potential window toward the 3 V plateau below the typically used range could boost the effective capacity of LiMn2O4 spinel cathodes. This usually leads to an “overdischarge” of the cathode, which can cause… read more here.
Keywords: limn2o4; cycling stability; plateau; stability ... See more keywords
Unusual Spinel-to-Layered Transformation in LiMn2O4 Cathode Explained by Electrochemical and Thermal Stability Investigation.
Sign Up to like & getrecommendations! Published in 2017 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.7b11303
Abstract: Distorted surface regions (5-6 nm) with an unusual layered-like structure on LiMn2O4 cathode material were directly observed after it was cycled (3-4.9 V), indicating a possible spinel-to-layered structural transformation. Formation of these distorted regions severely… read more here.
Keywords: surface; spinel layered; transformation; structure ... See more keywords
Stimulative formation of truncated octahedral LiMn2O4 by Cr and Al co-doping for use in durable cycling Li-ion batteries.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt03221f
Abstract: The rational design of the unique morphology of particles has been considered as the key to improving the structural stability of spinel LiMn2O4 cathode materials for Li-ion batteries. Herein, a facile solid-state combustion process, combined… read more here.
Keywords: truncated octahedral; capacity; formation; ion ... See more keywords
Light-induced Li extraction from LiMn2O4/TiO2 in a water-in-salt electrolyte for photo-rechargeable batteries.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc03362c
Abstract: Photocharging of high-potential spinel LiMn2O4 is demonstrated by using a water-in-salt electrolyte and TiO2 nanoparticles. In a developed half-cell system with an electron acceptor, Li extraction from LiMn2O4 proceeds under the illumination of UV-visible light… read more here.
Keywords: rechargeable batteries; limn2o4; extraction limn2o4; photo rechargeable ... See more keywords
Synthesis of LiMn2O4 via high-temperature ball milling process
Sign Up to like & getrecommendations! Published in 2017 at "Materials and Manufacturing Processes"
DOI: 10.1080/10426914.2017.1317797
Abstract: ABSTRACT Spinel LiMn2O4 powder was prepared by a novel process of high-temperature ball milling. For comparison, the spinel LiMn2O4 powder was also synthesized by the traditional method of solid state reaction. It was found that… read more here.
Keywords: ball milling; temperature; high temperature; temperature ball ... See more keywords