Oxygen hole formation controls stability in LiNiO2 cathodes
Ni-rich lithium-ion cathode materials achieve both high voltages and capacities but are
prone to structural instabilities and oxygen loss. The origin of the instability lies in the …
prone to structural instabilities and oxygen loss. The origin of the instability lies in the …
A short review on fast charging of Ni-rich layered oxide cathodes
Abstract Fast charging (~ 6 C rate) of Li-ion batteries (LIBs) is a key requirement to
practically realize the growth of the electric vehicles (EVs) market. According to the US …
practically realize the growth of the electric vehicles (EVs) market. According to the US …
Metal-ligand redox in layered oxide cathodes for Li-ion batteries
This study refutes the commonly used ionic-bonding model that demarcates transition metal
(TM) and oxygen redox using an archetypal Ni-rich layered oxide cathode, LiNi 0.8 Mn 0.1 …
(TM) and oxygen redox using an archetypal Ni-rich layered oxide cathode, LiNi 0.8 Mn 0.1 …
Synergistic Degradation Mechanism in Single Crystal Ni-Rich NMC//Graphite Cells
Oxygen loss at high voltages in Ni-rich NMC//graphite Li-ion batteries promotes degradation,
but increasing evidence from full cells reveals that the depth of discharge choice can further …
but increasing evidence from full cells reveals that the depth of discharge choice can further …
Stability and Redox Mechanisms of Ni-Rich NMC Cathodes: Insights from First-Principles Many-Body Calculations
Ni-rich LiNi a Mn b Co c O2 (NMC) cathodes undergo a series of degradation reactions, a
prominent one being oxygen loss from the surface of the NMC particles; this process is more …
prominent one being oxygen loss from the surface of the NMC particles; this process is more …
Ni-Rich Cathode Evolution: Exploring Electrochemical Dynamics and Strategic Modifications to Combat Degradation
Nickel (Ni)-rich cathode materials hold immense promise for high-energy-density lithium-ion
batteries (LIBs), yet their widespread deployment is hampered by significant challenges …
batteries (LIBs), yet their widespread deployment is hampered by significant challenges …
Seesaw Effect of Substitutional Point Defects on the Electrochemical Performance of Single-Crystal LiNiO2 Cathodes
Layered oxide cathode materials, such as LiNi a Co b Mn c O2 or LiNi a Co b Al c O2, are
sought after mainly because of their high theoretical specific capacity. Especially those with …
sought after mainly because of their high theoretical specific capacity. Especially those with …
Gel electrolyte design for nonflammable lithium-ion batteries with high-rate and high-voltage characteristics
PW Huang, QC Zhang, MY Hung, YC Lin… - Chemical Engineering …, 2024 - Elsevier
Abstract High-energy, high-power, and high-safety are the main pursuits for develo**
lithium-ion batteries. Previous approaches have focused on individual problems but rarely …
lithium-ion batteries. Previous approaches have focused on individual problems but rarely …
Electrodes for Li-ion batteries: From high-voltage LiCoO2 to Co-reduced/Co-free layered oxides with potential anodes
L Song, W Chu - Nano Research, 2023 - Springer
Li-ion batteries (LIBs) are one type of more and more widely used devices for energy
storage and power supply in which cathode materials are playing a relatively more decisive …
storage and power supply in which cathode materials are playing a relatively more decisive …
Hybrid Density Functional Theory Comparison of Oxygen Release and Solvent Decomposition Kinetics on LixNiO2 Surfaces
K Leung, M Zhang - The Journal of Physical Chemistry Letters, 2024 - ACS Publications
High-nickel-content layered oxides are among the most promising electric vehicle battery
cathode materials. However, their interfacial reactivity with electrolytes and tendency toward …
cathode materials. However, their interfacial reactivity with electrolytes and tendency toward …