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Regulation of Cathode-Electrolyte Interface through Electrolyte Additive for Ni-Rich Cathodes

ECS Meeting Abstracts
The cathode–electrolyte interface (CEI) plays a critical role in the cycling stability of lithium-ion batteries, especially for Ni-rich NMC cathodes. Layered Ni-rich NMC materials are promising cathodes for high energy density batteries due to their high specific capacity and high voltage, and they have been successfully used for electric vehicles ...
Yujing Bi, Mariam Baazizi, Meijuan Wang, Yaobin Xu, Jie Xiao   +4 more
openaire   +2 more sources

Operando visualization of kinetically induced lithium heterogeneities in single-particle layered Ni-rich cathodes

Joule, 2022
Understanding how lithium-ion dynamics affect the (de)lithiation mechanisms of state-of-the-art nickel-rich layered oxide cathodes is crucial to improve electrochemical performance.
Clare Grey, David S. Hall, Zhengyan Lun
exaly   +4 more sources

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Insights into Performance and Degradation of Commercial Ni-Rich Cathodes: A Modeling Perspective

ECS Meeting Abstracts, 2023
Li-ion batteries are widely used in consumer electronics due to their high energy density and currently gain further importance with regards to future mobility and their application in electric vehicles. While a high nickel content in stoichiometries like LiNi0.8Mn0.1Co0.1O2 (NMC811) increases the achievable capacity in a given voltage window, it ...
Both, Svenja, Danner, Timo, Hein, Simon, Lindner, Adrian, Abdolhosseini, Saeed, Menesklou, Wolfgang, Krewer, Ulrike, Latz, Arnulf   +7 more
openaire   +2 more sources

Strain-retardant coherent perovskite phase stabilized Ni-rich cathode

Nature, 2022
The use of state-of-the-art Ni-rich layered oxides (LiNixCoyMn1-x-yO2, x > 0.5) as the cathode material for lithium-ion batteries can push the energy and power density to a higher level than is currently available1,2. However, volume variation associated with anisotropic lattice strain and stress that is being developed during lithium (de)intercalation
Liguang Wang, Tongchao Liu, Tianpin Wu, Jun Lu   +3 more
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Developments in Surface/Interface Engineering of Ni‐Rich Layered Cathode Materials

The Chemical Record, 2022
AbstractNi‐rich layered cathodes with high energy densities reveal an enormous potential for lithium‐ion batteries (LIBs), however, their poor stability and reliability have inhibited their application. To ensure their stability over extensive cycles at high voltage, surface/interface modifications are necessary to minimize the adverse reactions at the
Xiaomei, Wang, Xiaopeng, Ruan, Cheng-Feng, Du, Hong, Yu   +3 more
openaire   +2 more sources

Fluorine-incorporated interface enhances cycling stability of lithium metal batteries with Ni-rich NCM cathodes

Nano Energy, 2020
Li metal anodes and Ni-rich layered oxide cathodes with high reversible capacities are promising candidates for the fabrication of high energy density batteries.
Sang Kyu Kwak, Nam-Soon Choi, Tae Kyung Lee   +2 more
exaly   +2 more sources

Prospect and Reality of Ni‐Rich Cathode for Commercialization

Advanced Energy Materials, 2017
AbstractThe layered nickel‐rich cathode materials are considered as promising cathode materials for lithium‐ion batteries (LIBs) due to their high reversible capacity and low cost. However, several significant challenges, such as the unstable powder properties and limited electrode density, hindered the practical application of the nickel‐rich cathode ...
Junhyeok Kim, Hyomyung Lee, Hyungyeon Cha, Moonsu Yoon, Minjoon Park, Jaephil Cho   +5 more
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Regulation of Surface Defect Chemistry toward Stable Ni‐Rich Cathodes

Advanced Materials, 2022
AbstractSurface reconstruction of Ni‐rich layered oxides (NLO) degrades the cycling stability and safety of high‐energy‐density lithium‐ion batteries (LIBs), which challenges typical surface‐modification approaches to build a robust interface with electrochemical activity.
Liguang Wang, Xincheng Lei, Tongchao Liu, Alvin Dai, Dong Su, Khalil Amine, Jun Lu, Tianpin Wu   +7 more
openaire   +2 more sources

Layered Ni-rich Cathode Materials

2019
Recent lithium-ion battery (LIB) technologies power electric vehicles (EVs) to run approximately 220 miles in a single charge, and further effort to increase the energy density of LIBs is being made to run LIB-mounted EVs up to 300 miles in the next few years.
Seung-Taek Myung, Chang-Heum Jo, Aishuak Konarov   +2 more
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Revealing the Subzero‐Temperature Electrochemical Kinetics Behaviors in Ni‐Rich Cathode

Small, 2023
AbstractThe sluggish kinetics in Ni‐rich cathodes at subzero temperatures causes decreased specific capacity and poor rate capability, resulting in slow and unstable charge storage. So far, the driving force of this phenomenon remains a mystery. Herein, with the help of in‐situ X‐ray diffraction and time of flight secondary ion mass spectrometry ...
Fanbo Meng, Haolin Zhang, Xingyu Xiong, Xiangjie Li, Rufeng Wu, Qiying Han, Bo Qin, Bin Yuan, Renzong Hu   +8 more
openaire   +2 more sources