Structural defects in lithium-ion batteries can significantly affect their electrochemical and safe performance. Qian et al. investigate the multiscale defects in commercial 18650-type lithium-ion batteries using X-ray tomography and synchrotron-based analytical techniques, which suggests the possible degradation and failure
Precipitation, solvent extraction, sorption, membrane-based separation and electrochemical-based separation are described as promising methods for extracting lithium from low-quality brines, which
Lithium-ion batteries inevitably suffer minor damage or defects caused by external mechanical abusive loading, e.g., penetration, deformation, and scratch without triggering a hard/major short circuit. The replacement of cells becomes a
We identify and recover the defective regions from the cell and conduct a comprehensive investigation from the chemical, structural, and morphological perspectives.
Structural defects in lithium-ion batteries can significantly affect their electrochemical and safe performance. Qian et al. investigate the multiscale defects in commercial 18650-type lithium-ion batteries using X-ray
A sustainable low-carbon transition via electric vehicles will require a comprehensive understanding of lithium-ion batteries'' global supply chain environmental impacts. Here, we analyze the cradle-to-gate energy use and greenhouse gas emissions of current and future nickel-manganese-cobalt and lithium-iron-phosphate battery technologies. We consider
Lithium-ion batteries inevitably suffer minor damage or defects caused by external mechanical abusive loading, e.g., penetration, deformation, and scratch without triggering hard/major short...
Lithium-ion batteries, with high energy density (up to 705 Wh/L) and power density (up to 10,000 W/L), exhibit high capacity and great working performance. As rechargeable batteries, lithium-ion batteries serve as power sources in various application systems. Temperature, as a critical factor, significantly impacts on the performance of lithium-ion
defects in commercial 18650-type lithium-ion batteries using X-ray tomography and synchrotron-based analytical techniques, which suggests the possible degradation and failure mechanisms associated with the impurity defects.
With the continuous upsurge in demand for energy storage, batteries are increasingly required to operate under extreme environmental conditions. Although they are at the technological forefront
Lithium-ion batteries with nickel-rich layered oxide cathodes and graphite anodes have reached specific energies of 250–300 Wh kg−1 (refs. 1,2), and it is now possible to build a 90 kWh
Cathodic metal-contaminant defects are frequently introduced into lithium-ion batteries (LIBs) during production. The life-cycle evolution and influence mechanisms of
A crystal defect design enables β-Li3N, a ''hexagonal warrior'' solid-state electrolyte for all-solid-state lithium metal batteries with a long cycle life.
Lithium-ion batteries inevitably suffer minor damage or defects caused by external mechanical abusive loading, e.g., penetration, deformation, and scratch without triggering hard/major short...
Cathodic metal-contaminant defects are frequently introduced into lithium-ion batteries (LIBs) during production. The life-cycle evolution and influence mechanisms of cathodic metal contaminants in LIBs are the key for revealing their influence on the safety and durability of LIBs after long-term cycling, but few relevant research
We identify and recover the defective regions from the cell and conduct a comprehensive investigation from the chemical, structural, and morphological perspectives. Our results reveal how the structural defects affect the cell performance, which is highly important to industry-scale battery production.
defects in commercial 18650-type lithium-ion batteries using X-ray tomography and synchrotron-based analytical techniques, which suggests the possible degradation and failure mechanisms
Due to recent fluctuations in lithium prices, the instability of lithium-ion batteries prices is on the rise. Here, through a re-evaluation of purity criteria, the authors report that the presence
Nature Communications - Accurate evaluation of Li-ion battery safety conditions can reduce unexpected cell failures. Here, authors present a large-scale electric vehicle
In this context, lithium (Li)-based batteries have not been fully investigated, especially cell formation and cycling performances under supergravity (i.e., gravity > 9.8 m s−2) conditions. To
Structural defects in lithium-ion batteries can significantly affect their electrochemical and safe performance. Qian et al. investigate the multiscale defects in commercial 18650-type lithium-ion batteries using X-ray
Lithium-ion batteries inevitably suffer minor damage or defects caused by external mechanical abusive loading, e.g., penetration, deformation, and scratch without triggering a hard/major short circuit. The replacement of cells becomes a dilemma if the safety risk of the defective batteries remains unknown. H
Defect engineering on electrode materials is considered an effective approach to improve the electrochemical performance of batteries since the presence of a variety of defects with...
This paper addresses the safety risks posed by manufacturing defects in lithium-ion batteries, analyzes their classification and associated hazards, and reviews the research on metal foreign matter defects, with a focus on copper particle contamination. Furthermore, we summarize the detection methods to identify defective batteries
This paper addresses the safety risks posed by manufacturing defects in lithium-ion batteries, analyzes their classification and associated hazards, and reviews the research on metal foreign matter defects, with a focus on copper particle contamination. Furthermore, we
What are the environmental benefits? Renewable energy sources: Lithium-ion batteries can store energy from renewable resources such as solar, wind, tidal currents, bio-fuels and hydropower ing renewable energy means we get fuel for our cities and homes from sources that are naturally replenished and create fewer carbon emissions than fossil fuels.
Nature Communications - Accurate evaluation of Li-ion battery safety conditions can reduce unexpected cell failures. Here, authors present a large-scale electric vehicle charging dataset...
Defect engineering on electrode materials is considered an effective approach to improve the electrochemical performance of batteries since the presence of a variety of
For the optimized pathway, lithium iron phosphate (LFP) batteries improve profits by 58% and reduce emissions by 18% compared to hydrometallurgical recycling without reuse. Lithium nickel
Lithium-ion batteries (LIBs) are widely used in electric vehicles and energy-storage power stations owing to their advantages in terms of high energy density and long cycle life [ , , , ]. However, manufacturing defects seriously affect the safety and durability of LIBs [ 5, 6 ].
Regarding electrode materials for lithium batteries, crystallographic defects are undoubtedly an important factor that seriously affects electrochemical performance. Different types of defects can exert different influences on the electrochemical performance of electrode materials.
Moreover, a systematic study on the electrochemical performances and structural properties of spinel cathode materials with different contents of excess Li further validates the positive correlations between the kinetics of lithium-ion diffusion and the contents of defects in spinel LMO material, as demonstrated in Supplementary Figs. 22 – 25.
Through high-resolution scanning transmission electron microscopy and neutron diffraction, the detailed structures of the twin boundary defects are clarified, and the formation of twin boundary defects is attributed to agminated lithium atoms occupying the Mn sites around the twin boundary.
According to the defect size and position, the capacity loss could be 1 to 10 2 mA h and the leakage current could be 5–50 mA. Results remove the barriers for defective battery safety risk evaluation, enabling identification, monitoring, and early warning of minor damaged batteries.
Nature Communications 12, Article number: 3085 (2021) Cite this article Defect engineering on electrode materials is considered an effective approach to improve the electrochemical performance of batteries since the presence of a variety of defects with different dimensions may promote ion diffusion and provide extra storage sites.
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