Unraveling the nonlinear capacity fading mechanisms of Ni-rich layered oxide cathode

Article Chemistry, Physical

Atomical Reconstruction and Cationic Reordering for Nickel-Rich Layered Cathodes

Lianshan Ni et al.

Summary: A stable Sr-doped Ni-rich cathode with a well-designed crystal structure and enhanced electrochemical performance was developed, showing great potential for practical applications in high-performance electric vehicles.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Understanding high-temperature cycling-induced crack evolution and associated atomic-scale structure in a Ni-rich LiNi0.8Co0.1Mn0.1O2 layered cathode material

Feng Tian et al.

Summary: X-ray nano-computed tomography and deep learning were used to study the structural evolution of LiNi0.8Co0.1Mn0.1O2 during cycling at 55 degrees C. Two types of intergranular cracks were observed, with the open cracks showing a significant increase in volume and a decrease in capacity retention. Further analysis revealed that migration of transition metal ions and reduction of these ions predominantly occurred in the open crack regions.

NANO ENERGY (2022)

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Article Materials Science, Multidisciplinary

Structural evolution of mesoporous graphene/LiNi1/3Co1/3Mn1/3O2 composite cathode for Li-ion battery

Wen-Jie Liu et al.

Summary: The study found that a bi-material cathode composed of mesoporous graphene and layered LiNi1/3Co1/3Mn1/3O2 (NCM) exhibited better performance at high rates compared to a pure NCM cathode. The improved rate capability of the NCM-G composite electrode is attributed to the highly conductive mesoporous graphene and synergistic effect with NCM material.

RARE METALS (2021)

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Article Electrochemistry

Degradation identification of LiNi0.8Co0.1Mn0.1O2/graphite lithium-ion batteries under fast charging conditions

Wenlong Xie et al.

Summary: This study investigates the cycle aging of commercial 2.5 Ah 18650 cylindrical lithium-ion batteries with LiNi0.8Co0.1Mn0.1O2(NCM)/graphite chemistry at different charging rates, revealing specific degradation mechanisms and suggesting recommendations for use under fast charging conditions.

ELECTROCHIMICA ACTA (2021)

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Article Nanoscience & Nanotechnology

Realization of a High-Voltage and High-Rate Nickel-Rich NCM Cathode Material for LIBs by Co and Ti Dual Modification

Xiaoyu Zhang et al.

Summary: The Co and Ti co-modified LiNi0.8Co0.1Mn0.1O2 (NCM-811) cathode effectively improves reversible capacity and rate capability by alleviating lattice structure degradation and microscopic intergranular cracks. Titanium doping reduces cation mixing and stabilizes crystal structure, while a cobalt oxide coating forms a stable spinel phase on the surface, reducing generation of micro-cracks. The T1Co0.5-NCM cathode demonstrates superior rate capability and capacity retention compared to pristine NCM-811, showing promise for high-energy LIBs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Tailoring electrolyte to enable high-rate and super-stable Ni-rich NCM cathode materials for Li-ion batteries

Fangyuan Cheng et al.

Summary: The study shows that detrimental effects on the electrochemical performances of high-capacity nickel-rich layered oxide cathode LiNi0.8Co0.1Mn0.1O2 can be limited by forming a uniform inorganic/polymer cathode-electrolyte interface (CEI) through in-situ electrochemical oxidation of trace dual additives in traditional carbonate-based electrolytes. This CEI film not only eliminates adverse cathode-electrolyte interface reactions and prevents electrolyte penetration into grain boundaries, but also inhibits the formation of inactive rock salt phase on the material surface.

NANO ENERGY (2021)

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Article Chemistry, Physical

A matrix isolation and Ab initio study on C2H6••HCN complex: An unusual example of hydrogen bonding

Ilya S. Sosulin et al.

Summary: Hydrogen bonding between saturated alkanes and HX is a unique type of interaction. Experimental and ab initio studies on the HCN...C2H6 complex show that only one structure is stabilized under experimental conditions, in good agreement with previous rotational spectroscopy studies.

JOURNAL OF MOLECULAR STRUCTURE (2021)

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Article Chemistry, Physical

Extended cycle life implications of fast charging for lithium-ion battery cathode

Tanvir R. Tanim et al.

Summary: The study found that while cathode issues are minimal in early cycling of extreme fast charging, they begin to accelerate in later life with distinct cracking identified as a fatigue mechanism. The bulk structure of cathodes remains intact, but there is particle surface reconstruction observed, which has a less pronounced effect on cathode aging compared to cracking.

ENERGY STORAGE MATERIALS (2021)

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Article Chemistry, Physical

Polycrystalline and Single Crystalline NCM Cathode Materials-Quantifying Particle Cracking, Active Surface Area, and Lithium Diffusion

Enrico Trevisanello et al.

Summary: The NCM family of cathode active materials with high nickel content is becoming the preferred choice for high performance lithium-ion batteries. Study shows that cracking of polycrystalline particles of NCM is not only detrimental, but also helps achieve higher reversible capacities and rate capability. Optimization of CAM size and morphology is crucial for achieving good rate capability with high-nickel NCMs.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

A perspective on single-crystal layered oxide cathodes for lithium-ion batteries

Jayse Langdon et al.

Summary: The increasing demand for lithium-ion batteries calls for higher energy density and longer cycle life. Single-crystal cathode particles have attracted intense interest due to their remarkable cyclability, but there has been no systematic analysis of the different techniques in this field thus far.

ENERGY STORAGE MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Insight into the Redox Reaction Heterogeneity within Secondary Particles of Nickel-Rich Layered Cathode Materials

Jiyang Li et al.

Summary: This study utilizes Raman spectroscopy to analyze the reaction heterogeneity within nickel-rich NCM secondary particles under high-rate conditions, revealing that oxidation/reduction reactions mainly occur on the surface of particles, leading to structural instability and decreased apparent capacity. The findings highlight the importance of understanding and addressing reaction heterogeneity in high-power lithium-ion batteries for improved performance.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Capacity Fading Mechanisms in Ni-Rich Single-Crystal NCM Cathodes

Hoon-Hee Ryu et al.

Summary: The study found that despite the high resistance to microcracking, the electrochemical performance of single-crystal NCM cathodes is inferior to polycrystalline NCM cathodes in terms of capacity and cycling stability. During cycling, the lithium concentrations in single-crystal NCM cathodes become spatially inhomogeneous, leading to the coexistence of phases with different unit cell dimensions within a single particle, which affects lithium ion diffusion and causes rapid capacity fading.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Multi-length scale microstructural design of lithium-ion battery electrodes for improved discharge rate performance

Xuekun Lu et al.

Summary: The study shows that randomly oriented primary particles lead to a 2.35 times increase in SST resistance and induce uneven intra-particle lithiation. Internal cracks significantly restrict accessibility to the active material. Double-layered particles are proven to be more promising than single-crystal particles.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Physical

Improved cycling stability of LiNi0.6Co0.2Mn0.2O2 through microstructure mum consolidation by TiO2 coating for Li-ion batteries

Yan Mo et al.

JOURNAL OF POWER SOURCES (2020)

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Article Chemistry, Physical

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

Yongwon Lee et al.

NANO ENERGY (2020)

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Article Chemistry, Physical

Beyond Doping and Coating: Prospective Strategies for Stable High-Capacity Layered Ni-Rich Cathodes

H. Hohyun Sun et al.

ACS ENERGY LETTERS (2020)

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Review Electrochemistry

Modeling and Applications of Electrochemical Impedance Spectroscopy (EIS) for Lithium-ion Batteries

Woosung Choi et al.

JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY (2020)

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Article Chemistry, Physical

High-Voltage-Driven Surface Structuring and Electrochemical Stabilization of Ni-Rich Layered Cathode Materials for Li Rechargeable Batteries

Seok Hyun Song et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Boosting Reaction Homogeneity in High-Energy Lithium-Ion Battery Cathode Materials

Hyungyeon Cha et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Long-Term Cyclability of NCM-811 at High Voltages in Lithium-Ion Batteries: an In-Depth Diagnostic Study

Wangda Li et al.

CHEMISTRY OF MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Dynamic Evolution of a Cathode Interphase Layer at the Surface of LiNi0.5Co0.2Mn0.3O2 in Quasi-Solid-State Lithium Batteries

Hui-Juan Guo et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

Problems and their origins of Ni-rich layered oxide cathode materials

Sheng S. Zhang

ENERGY STORAGE MATERIALS (2020)

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Article Chemistry, Physical

Kinetic Limitations in Cycled Nickel-Rich NCM Cathodes and Their Effect on the Phase Transformation Behavior

Simon Schweidler et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Improved electrochemical performances of LiNi0.6Co0.2Mn0.2O2 cathode material by reducing lithium residues with the coating of Prussian blue

Yan Ding et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Chemistry, Physical

The role of boracic polyanion substitution on structure and high voltage electrochemical performance of Ni-Rich cathode materials for lithium ion batteries

Yingjie Zhang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Chemistry, Physical

Evolution of Solid Electrolyte Interface on TiO2 Electrodes in an Aqueous Li-Ion Battery Studied Using Scanning Electrochemical Microscopy

Dongqing Liu et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2019)

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Article Chemistry, Physical

Fast-charging effects on ageing for energy-optimized automotive LiNi1/3Mn1/3Co1/3O2/graphite prismatic lithium-ion cells

Abdilbari Shifa Mussa et al.

JOURNAL OF POWER SOURCES (2019)

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Article Nanoscience & Nanotechnology

Polyvinylpyrrolidone-Induced Uniform Surface-Conductive Polymer Coating Endows Ni-Rich LiNi0.8Co0.1Mn0.1O2 with Enhanced Cyclability for Lithium-Ion Batteries

Qingmeng Gan et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Physical

Increase and discretization of the energy barrier for individual LiNixCoyMnyO2 (x+2y=1) particles with the growth of a Li2CO3 surface film

Kun Qian et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Physical

Investigation into Mechanical Degradation and Fatigue of High-Ni NCM Cathode Material: A Long-Term Cycling Study of Full Cells

Simon Schweidler et al.

ACS APPLIED ENERGY MATERIALS (2019)

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Article Electrochemistry

Effect of Al2O3 ceramic fillers in LiNi1/3Co1/3Mn1/3O2 cathodes for improving high-voltage cycling and rate capability performance

Dahee Jin et al.

ELECTROCHIMICA ACTA (2018)

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Article Chemistry, Multidisciplinary

Single-particle measurements of electrochemical kinetics in NMC and NCA cathodes for Li-ion batteries

Ping-Chun Tsai et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Chemistry, Physical

Economical recycling process for spent lithium-ion batteries and macro- and micro-scale mechanistic study

Li Li et al.

JOURNAL OF POWER SOURCES (2018)

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Article Chemistry, Multidisciplinary

Functionalized nanocarbon materials as catalysts for the ethanolysis of furfuryl alcohol

Yuliya A. Topolyuk et al.

MENDELEEV COMMUNICATIONS (2018)

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Article Chemistry, Physical

Extracting maximum capacity from Ni-rich Li[Ni0.95Co0.025Mn0.025]O-2 cathodes for high-energy-density lithium-ion batteries

Chong S. Yoon et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Physical

Chemomechanical interplay of layered cathode materials undergoing fast charging in lithium batteries

Sihao Xia et al.

NANO ENERGY (2018)

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Article Chemistry, Physical

Charge-Transfer-Induced Lattice Collapse in Ni-Rich NCM Cathode Materials during Delithiation

Aleksandr O. Kondrakov et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Chemistry, Physical

Anisotropic Lattice Strain and Mechanical Degradation of High- and Low-Nickel NCM Cathode Materials for Li-Ion Batteries

Aleksandr O. Kondrakov et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Electrochemistry

Oxygen Release and Its Effect on the Cycling Stability of LiNixMnyCozO2 (NMC) Cathode Materials for Li-Ion Batteries

Roland Jung et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

Electrolyte-Induced Surface Transformation and Transition-Metal Dissolution of Fully Delithiated LiNi0.8Co0.15Al0.05O2

Nicholas V. Faenza et al.

LANGMUIR (2017)

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Article Chemistry, Physical

Impact of Microcrack Generation and Surface Degradation on a Nickel-Rich Layered Li[Ni0.9Co0.05Mn0.05]O2 Cathode for Lithium-Ion Batteries

Ho-Hyun Sun et al.

CHEMISTRY OF MATERIALS (2017)

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Article Electrochemistry

Surface Layer and Morphology of Lithium Metal Electrodes

Hiroko Kuwata et al.

ELECTROCHEMISTRY (2016)

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Article Chemistry, Physical

A comparative study of structural changes in lithium nickel cobalt manganese oxide as a function of Ni content during delithiation process

Kyoungmin Min et al.

JOURNAL OF POWER SOURCES (2016)

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Article Chemistry, Physical

Hybridization and pore engineering for achieving high-performance lithium storage of carbide as anode material

Ying Xiao et al.

NANO ENERGY (2015)

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Article Multidisciplinary Sciences

Surface reconstruction and chemical evolution of stoichiometric layered cathode materials for lithium-ion batteries

Feng Lin et al.

NATURE COMMUNICATIONS (2014)

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Article Chemistry, Physical

Correlating Structural Changes and Gas Evolution during the Thermal Decomposition of Charged LixNi0.8Co0.15Al0.05O2 Cathode Materials

Seong-Min Bak et al.

CHEMISTRY OF MATERIALS (2013)

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Unraveling the nonlinear capacity fading mechanisms of Ni-rich layered oxide cathode

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