A Combined Method of Leaching and Co-Precipitation for Recycling Spent Lini0.6Co0.2Mn0.2O2 Cathode Materials: Process Optimization and Performance Aspects
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DOI: 10.1007/s11837-020-04263-9
Abstract: A novel recycling process of spent LiNi0.6Co0.2Mn0.2O2 cathode materials has been developed. The process comprises acid leaching followed by regeneration of LiNi0.6Co0.2Mn0.2O2 materials with carbonate co-precipitation. Spent LiNi0.6Co0.2Mn0.2O2 materials were effectively leached in sulfuric acid… read more here.
Keywords: 2mn0 2o2; lini0 6co0; 2o2 cathode; spent lini0 ... See more keywords
Operando Observation of Structural Evolution and Kinetics of Li[Ni0.6Co0.2Mn0.2]O2 at Elevated Temperature
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-020-0198-8
Abstract: Li[Ni0.6Co0.2Mn0.2]O2(NCM622) is one of the best commercialized cathodes in the battery field. However, poor cyclability at relatively high temperature hinders its multiple usages. Here, operando tests were performed to investigate the phase transitions and electron/ion… read more here.
Keywords: temperature; operando observation; observation structural; structural evolution ... See more keywords
Ni-rich LiNi0.6Co0.2Mn0.2O2 nanoparticles enwrapped by a 3D graphene aerogel network as a high-performance cathode material for Li-ion batteries
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.07.247
Abstract: Abstract A unique 3D porous graphene aerogel wrapped LiNi0.6Co0.2Mn0.2O2 nanoparticle composite (NCM@GA) was prepared via a facile coprecipitation followed with a hydrothermal treatment. The morphological and structural characterizations reveal that the graphene nanosheets adhere tightly… read more here.
Keywords: aerogel network; 2mn0 2o2; 6co0 2mn0; graphene aerogel ... See more keywords
Synergistic effect of Ce4+ modification on the electrochemical performance of LiNi0·6Co0·2Mn0·2O2 cathode materials at high cut-off voltage
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DOI: 10.1016/j.ceramint.2020.08.247
Abstract: Abstract Ni-rich layered LiNi0·6Co0·2Mn0·2O2 materials have recently drawn much attention for their high specific capacity. However, they still suffer from the cycling instability arising from Li+/Ni2+ ions mixing in crystal structure and harmful side reactions… read more here.
Keywords: cut voltage; ce4; high cut; performance ... See more keywords
The effect of lithium-excess on Ni-rich LiNi0.6Co0.2Mn0.2O2 cathode materials prepared by a Taylor flow reactor
Sign Up to like & getrecommendations! Published in 2021 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2021.138982
Abstract: Abstract In this study we investigated the effect of the Li-excess on electrochemical properties of LixNi0.6Co0.2Mn0.2O2 cathode materials, which was obtained by sintering Ni0.6Co0.2Mn0.2(OH)2 with a various amounts of LiOH (samples with Li-excesses of 5,… read more here.
Keywords: 2mn0 2o2; 6co0 2mn0; effect; 2o2 cathode ... See more keywords
Unraveling the capacity fading mechanisms of LiNi0.6Co0.2Mn0.2O2 at elevated temperatures
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2018.05.029
Abstract: Abstract LiNixCoyMnzO2 cathode materials play a vital role in next-generation lithium-ion batteries because of their high energy density, but they suffer capacity decay at elevated temperatures. Improving the cycling stability of LiNixCoyMnzO2 requires a basic… read more here.
Keywords: 2mn0 2o2; lini0 6co0; capacity; cathode materials ... See more keywords
Synthesis of LiNi0.6Co0.2Mn0.2O2 from mixed cathode materials of spent lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.227567
Abstract: Abstract With the aggravation of resource shortage and environmental problems, the disposal of spent lithium-ion batteries becomes crucial. In this work, a sustainable closed-loop route to recycle mixed cathode materials from spent lithium-ion batteries is… read more here.
Keywords: 2mn0 2o2; lini0 6co0; cathode; spent lithium ... See more keywords
Understanding the effects of surface modification on improving the high-voltage performance of Ni-rich cathode materials
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DOI: 10.1016/j.mtener.2018.08.013
Abstract: Abstract Ni-rich layered oxides are regarded as next-generation cathode materials for lithium-ion batteries with high energy density. However, these materials suffer capacity degradation and power fade at high cutoff voltages. Herein, a robust La, Zr… read more here.
Keywords: 2mn0 2o2; lini0 6co0; cathode materials; performance ... See more keywords
Enhanced cycling stability of Mg–F co-modified LiNi0.6Co0.2Mn0.2–yMgyO2–zFz for lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2018 at "Transactions of Nonferrous Metals Society of China"
DOI: 10.1016/s1003-6326(18)64778-8
Abstract: Abstract The layered LiNi0.6Co0.2Mn0.2–yMgyO2–zFz (0≤y≤0.12, 0≤z≤0.08) cathode materials were synthesized by combining co-precipitation method and high temperature solid-state reaction, with the help of the ball milling, to investigate the effects of F–Mg doping on LiNi0.6Co0.2Mn0.2O2.… read more here.
Keywords: lini0 6co0; 2mn0 ymgyo2; ymgyo2 zfz; ion batteries ... See more keywords
The Effects of Phosphate Impurity on Recovered LiNi0.6Co0.2Mn0.2O2 Cathode Material via a Hydrometallurgy Method.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c12715
Abstract: From portable electronics to electric vehicles, lithium-ion batteries have been deeply integrated into our daily life and industrial fields for a few decades. The booming field of battery manufacturing could lead to shortages in resources… read more here.
Keywords: 6co0 2mn0; 2mn0 2o2; phosphate impurity; cathode ... See more keywords
Enhanced Cyclability of LiNi0.6Co0.2Mn0.2O2 Cathodes by Integrating a Spinel Interphase in the Grain Boundary.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c18423
Abstract: Nickel-rich layered oxides are promising cathode materials for high-energy-density lithium-ion batteries. Unfortunately, the interfacial instability and intergranular cracks result in fast capacity fading and voltage fading during battery cycling. To address these issues, a coherent… read more here.
Keywords: 6co0 2mn0; grain boundary; spinel interphase; interphase grain ... See more keywords