☆ 4.7 Article

Influence of the Composition and Testing Modes on the Electrochemical Performance of Li-Rich Cathode Materials

NANOMATERIALS (2022)

Related references

Note: Only part of the references are listed.

Review Engineering, Environmental

Revealing the role of spinel phase on Li-rich layered oxides: A review

Huixian Xie et al.

Summary: This article systematically reviews the recent progresses of spinel phase on Li-rich Layered Oxides (LLOs) and comprehensively summarizes the effectiveness of proposed strategies in improving the electrochemical performance of LLOs, including surface coating, spinel-layered coherent component, and others. Additionally, barriers to the commercialization of LLOs are discussed, and recommendations for future development of LLOs for high-energy-density LIBs are provided.

CHEMICAL ENGINEERING JOURNAL (2022)

Add to Collection

Review Chemistry, Multidisciplinary

Oxygen Loss in Layered Oxide Cathodes for Li-Ion Batteries: Mechanisms, Effects, and Mitigation

Hanlei Zhang et al.

Summary: This article reviews recent progress in understanding the phenomena of oxygen loss and the resulting structural degradation in layered oxide cathodes. The major driving forces and associated structural degradation resulting from oxygen loss are presented. The kinetic pathways enabling oxygen loss and the resulting electrochemical fade are discussed, along with possible approaches to mitigate oxygen loss and novel analytical methods for probing oxygen loss.

CHEMICAL REVIEWS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Effects of Mg Doping at Different Positions in Li-Rich Mn-Based Cathode Material on Electrochemical Performance

Elena Makhonina et al.

Summary: Li-rich Mn-based layered oxides are promising cathode materials for lithium-ion batteries, but suffer from capacity fading and voltage decay. Doping with Mg can improve the electrochemical performance, and introducing Mg in TM layers is more preferable.

NANOMATERIALS (2022)

Add to Collection

Review Nanoscience & Nanotechnology

Pushing the limit of 3d transition metal-based layered oxides that use both cation and anion redox for energy storage

Minghao Zhang et al.

Summary: This Review discusses the potential of layered oxide compounds with anion redox as positive electrode materials for next-generation Li-ion batteries. It outlines the mechanisms of anion redox and emphasizes the impact of structural changes on electrochemical performance. The importance of an integrated approach combining characterization and computation for studying the evolution of bulk structure and electrode-electrolyte interphase is highlighted.

NATURE REVIEWS MATERIALS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Facilitating Reversible Cation Migration and Suppressing O2 Escape for High Performance Li-Rich Oxide Cathodes

Ke Chai et al.

Summary: This study proposes a comprehensive structural modulation of Li-rich cathodes by introducing oxygen vacancies and P doping to mitigate critical issues such as oxygen escape, cation migration, and voltage decay. The modulated cathode exhibits improved performance, including high-rate capability, cycling stability, restrained voltage decay, and elevated working voltage.

SMALL (2022)

Add to Collection

Article Multidisciplinary Sciences

Improving the oxygen redox reversibility of Li-rich battery cathode materials via Coulombic repulsive interactions strategy

Qingyuan Li et al.

Summary: Researchers have developed a strategy to improve the oxygen redox reactivity in lithium-rich cathode materials by tuning the Coulombic interactions. By adjusting the crystal structure, they were able to mitigate issues such as metal dissolution, migration, and irreversible oxygen release, resulting in improved battery performance.

NATURE COMMUNICATIONS (2022)

Add to Collection

Article Chemistry, Physical

Eliminating oxygen releasing of Li-rich layered cathodes by tuning the distribution of superlattice domain

Zhining Wei et al.

Summary: In this study, a strategy to regulate the distribution of Li2MnO3-like domains in Li-rich layered cathodes is proposed to eliminate oxygen evolution. Experimental results demonstrate that dispersed Li2MnO3-like microstructures can withstand higher stress and result in a high specific energy density in the fabricated batteries.

MATERIALS TODAY ENERGY (2022)

Add to Collection

Article Engineering, Multidisciplinary

Integrating the essence of metal organic framework-derived ZnCoTe-N-C/MoS2 cathode and ZnCo-NPS-N-CNT as anode for high-energy density hybrid supercapacitors

Milan Babu Poudel et al.

Summary: This study successfully developed high-performance supercapacitor electrodes utilizing MOFs-derived ZnCoTe-N-C and ZnCo-NPs-N-CNTs as electrochemically active materials, with hierarchical molybdenum disulfides (MoS2) nanosheets incorporated to enhance capacity and stability. The hybrid asymmetric supercapacitor assembled with ZnCoTe-N-C/MoS2 and ZnCo-NPs-N-CNTs maintained 93.6% capacitance after 20,000 cycles, demonstrating high specific energy density and power density.

COMPOSITES PART B-ENGINEERING (2022)

Add to Collection

Article Nanoscience & Nanotechnology

Oxygen redox chemistry in lithium-rich cathode materials for Li-ion batteries: Understanding from atomic structure to nano-engineering

Majid Farahmandjou et al.

Summary: Lithium-rich oxide compounds have shown promise as cathode materials for high performance Li-ion batteries due to their high specific capacity. However, achieving fully reversible anionic redox reactions for these materials remains a challenge. This article summarizes recent research progress in understanding and controlling the anionic redox chemistry of lithium-rich cathode materials, with a focus on oxygen-based redox reactions. Promising strategies for improving the performance of these materials are also proposed.

NANO MATERIALS SCIENCE (2022)

Add to Collection

Article Chemistry, Physical

Reversible and Irreversible Redox Processes in Li-Rich Layered Oxides

Michael Merz et al.

Summary: This study investigates the reversible and irreversible charge exchange reactions of Li- and Mn-rich layered oxides, and demonstrates the relationship between O-O formation in the bulk and reduction/oxidation processes of Ni, Co, and Mn. It also discusses the reversibility of charge compensation reactions and differences between O-O formation and oxygen release during activation.

CHEMISTRY OF MATERIALS (2021)

Add to Collection

Article Nanoscience & Nanotechnology

Regulating Anion Redox and Cation Migration to Enhance the Structural Stability of Li-Rich Layered Oxides

Tianshuo Wang et al.

Summary: In this study, chlorine-doped Co-free LLOs were successfully synthesized, and it was found that Cl doping can decrease irreversible lattice oxygen loss, enhance the reversibility of oxygen redox, and inhibit transition-metal migration, leading to improved capacity, voltage retention, and rate capability during cycling.

ACS APPLIED MATERIALS & INTERFACES (2021)

Add to Collection

Article Chemistry, Physical

Surface oxygen vacancy engineering and physical protection by in-situ carbon coating process of lithium rich layered oxide

Vasu Shanmugam et al.

Summary: The study demonstrates a novel carbon encapsulation method to improve the performance of lithium-ion battery cathode material Li1.15Ni0.23Co0.08Mn0.54O2, enhancing cycling stability and energy density.

JOURNAL OF POWER SOURCES (2021)

Add to Collection

Article Electrochemistry

Improved electrochemical activity of the Li2MnO3-like superstructure in high-nickel Li-rich layered oxide Li1.2Ni0.4Mn0.4O2 and its enhanced performances via tungsten doping

Limin Guo et al.

Summary: In this study, the performance of high-nickel Li-rich layered oxide was improved by partially replacing Mn with W, which effectively suppressed voltage decay, increased capacity, and initial Coulombic efficiency. Doping W favored the activation of the Li2MnO3-like component, reduced primary particle sizes, increased lattice parameters, and enhanced electrochemical kinetics, leading to superior rate capability and high-rate cycling performance.

ELECTROCHIMICA ACTA (2021)

Add to Collection

Article Energy & Fuels

Influence of Morphology and Compositional Mixing on the Electrochemical Performance of Li-Rich Layered Oxides Derived from Nanoplatelet-Shaped Transition Metal Oxide-Hydroxide Precursors

M. Viji et al.

Summary: This study investigates the influence of morphology and compositional mixing on the electrochemical performances of Li-rich layered oxides (LLOs), specifically focusing on high rate capability. The results show that a larger fraction of the Li2MnO3 phase contributes to better electrochemical properties, and thorough mixing between monoclinic Li2MnO3 and rhombohedral LiMO2 phases plays a significant role in enhancing performance. The study highlights the significant impact of morphology on the electrochemical properties, beyond the extra capacity contribution from the Li2MnO3 phase.

ENERGY & FUELS (2021)

Add to Collection

Article Energy & Fuels

The role of O2 in O-redox cathodes for Li-ion batteries

Robert A. House et al.

Summary: This study explores the mechanisms and impacts of oxygen redox in lithium-ion batteries, proposing a unified model to reduce instability caused by oxygen redox and provide strategies for achieving more reversible, high energy density cathodes.

NATURE ENERGY (2021)

Add to Collection

Article Chemistry, Inorganic & Nuclear

Effect of Dopants on the Functional Properties of Lithium-Rich Cathode Materials for Lithium-Ion Batteries

L. S. Pechen et al.

Summary: A comparative study on the effect of dopant nature on the electrochemical performance of lithium-rich oxides showed that doping with magnesium can suppress phase transition, stabilize the oxide structure, and retain higher specific energy during battery cycling.

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY (2021)

Add to Collection

Article Multidisciplinary Sciences

Structural evolution at the oxidative and reductive limits in the first electrochemical cycle of Li1.2Ni0.13Mn0.54Co0.13O2

Ei Yin et al.

NATURE COMMUNICATIONS (2020)

Add to Collection

Article Chemistry, Inorganic & Nuclear

Effects of Structure and Magnetism on the Electrochemistry of the Layered Li1+x(Ni0.5Mn0.5)1-xO2 Cathode Material

Xiaofei Bian et al.

INORGANIC CHEMISTRY (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Synthesis, microstructure, and electrochemical performance of Li-rich layered oxide cathode materials for Li-ion batteries

E. Makhonina et al.

RUSSIAN CHEMICAL BULLETIN (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Tuning Oxygen Redox Chemistry in Li-Rich Mn-Based Layered Oxide Cathodes by Modulating Cation Arrangement

Jicheng Zhang et al.

ADVANCED MATERIALS (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Direct Visualization of the Reversible O2-/O- Redox Process in Li-Rich Cathode Materials

Xiang Li et al.

ADVANCED MATERIALS (2018)

Add to Collection

Article Electrochemistry

Insight into the synergistic effect mechanism between the Li2MO3 phase and the LiMO2 phase (M = Ni, Co, and Mn) in Li- and Mn-rich layered oxide cathode materials

Shiming Zhang et al.

ELECTROCHIMICA ACTA (2018)

Add to Collection

Review Energy & Fuels

Fundamental understanding and practical challenges of anionic redox activity in Li-ion batteries

Gaurav Assat et al.

NATURE ENERGY (2018)

Add to Collection

Article Electrochemistry

Oxygen Release and Surface Degradation of Li- and Mn-Rich Layered Oxides in Variation of the Li2MnO3 Content

Tobias Teufl et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2018)

Add to Collection

Article Chemistry, Physical

Direct Quantification of Anionic Redox over Long Cycling of Li-Rich NMC via Hard X-ray Photoemission Spectroscopy

Gaurav Assat et al.

ACS ENERGY LETTERS (2018)

Add to Collection

Article Chemistry, Physical

Structure dependent electrochemical performance of Li-rich layered oxides in lithium-ion batteries

Fang Fu et al.

NANO ENERGY (2017)

Add to Collection

Article Chemistry, Physical

Effect of pristine nanostructure on first cycle electrochemical characteristics of lithium-rich lithium-nickel-cobalt-manganese-oxide cathode ceramics for lithium ion batteries

Lars Riekehr et al.

JOURNAL OF POWER SOURCES (2016)

Add to Collection

Article Chemistry, Multidisciplinary

The Origin of Capacity Fade in the Li2MnO3•LiMO2 (M = Li, Ni, Co, Mn) Microsphere Positive Electrode: An Operando Neutron Diffraction and Transmission X-ray Microscopy Study

Chih-Jung Chen et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

Add to Collection

Article Chemistry, Multidisciplinary

The structural and chemical origin of the oxygen redox activity in layered and cation-disordered Li-excess cathode materials

Dong-Hwa Seo et al.

NATURE CHEMISTRY (2016)

Add to Collection

Article Multidisciplinary Sciences

Unravelling structural ambiguities in lithium- and manganese-rich transition metal oxides

Alpesh Khushalchand Shukla et al.

NATURE COMMUNICATIONS (2015)

Add to Collection

Article Chemistry, Physical

Insight into the Atomic Structure of Cycled Lithium-Rich Layered Oxide Li1.20Mn0.54Co0.13Ni0.13O2 Using HAADF STEM and Electron Nanodiffraction

Cecile Genevois et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

Add to Collection

Article Electrochemistry

Quantifying Hysteresis and Voltage Fade in xLi2MnO3•(1-x)LiMn0.5Ni0.5O2 Electrodes as a Function of Li2MnO3 Content

Jason R. Croy et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2014)

Add to Collection

Article Chemistry, Physical

Understanding the Rate Capability of High-Energy-Density Li-Rich Layered Li 1.2 Ni 0.15 Co 0.1 Mn 0.55 O 2 Cathode Materials

Xiqian Yu et al.

ADVANCED ENERGY MATERIALS (2014)

Add to Collection

Article Electrochemistry

Characterization of Li-rich xLi2MnO3•(1-x)Li[MnyNizCo1-y-z]O2 as cathode active materials for Li-ion batteries

Yong Nam Jo et al.

ELECTROCHIMICA ACTA (2013)

Add to Collection

Article Electrochemistry

Electrochemical Kinetics and Performance of Layered Composite Cathode Material Li[Li0.2Ni0.2Mn0.6]O2

Jianming Zheng et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2013)

Add to Collection

Article Electrochemistry

Voltage Fade of Layered Oxides: Its Measurement and Impact on Energy Density

Martin Bettge et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2013)

Add to Collection

Article Electrochemistry

Integrated Materials xLi(2)MnO(3)center dot(1-x) LiMn1/3Ni1/3Co1/3O2 (x=0.3, 0.5, 0.7) Synthesized

Francis Amalraj et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2010)

Add to Collection

© Peeref 2019-2024. All rights reserved.