Characterization of the rate and quality of ultrafast-laser ablation of Li-ion battery (LIB) electrode materials is presented for a collection of common and next-generation
AI Customer ServiceLaser fluence ranging from 0.308 to 2.720 J/cm2 was used to irradiate surfaces of degraded battery electrodes to ablate SEI. Ablation of SEI from the surface of electrodes was
AI Customer Service3. Brinelling, Nicks. Brinelling is a small surface indentation generated either on the raceway through plastic deformation at the contact point between the raceway and rolling
AI Customer ServiceIn Li-ion batteries, pulsed laser ablation has been employed for synthesis, modification and analysis of materials and components via: (1) nanoparticle generation; (2)
AI Customer ServiceHere, we used a new characterization technique, cryogenic femtosecond laser cross sectioning and subsequent scanning electron microscopy, to observe the electroplated Li-metal morphology and the accompanying solid electrolyte
AI Customer ServiceThis study presents a novel laser ablation assisted disassembly method with X-ray and optical validation for opening cylindrical battery cells without damaging the jelly roll.
AI Customer ServiceIn this study, Design Failure Mode and Effects Analysis (dFMEA) was performed to evaluate the fire risk of lithium-ion secondary battery testing cells used during the research
AI Customer ServiceAn increase in the ablation efficiency by the PB mode has been observed in previous studies with graphite anodes on copper foil, 31 silicon, 27 or copper. 28 PRRs
AI Customer ServiceThis study presents a novel laser ablation assisted disassembly method with X-ray and optical validation for opening cylindrical battery cells without damaging the jelly roll.
AI Customer ServiceUltrafast (femtosecond)-pulsed laser ablation is a promising method to introduce such micro pores or channels in thick battery electrodes as it allows for precise control of pattern geometries,
AI Customer Serviceportable battery-operated thermal ablator and evaluate the safety and performance of the new device in a randomized controlled trial (RCT) in Zambia. The Liger thermal ablator
AI Customer ServiceProposed Methodology (Configuration of Fault Diagnosis & Cause Analysis) Herein, we propose a model for estimating battery pack failure based on the ICC and order of cell voltages.
AI Customer ServiceIn laser ablation, a pulsed laser is focused on a material surface such that the transfer of energy causes the removal of localized material via high throughput and
AI Customer ServiceWe show the effectiveness of this holistic method by building up a large scale, cross-process Bayesian Failure Network in lithium-ion battery production and its application for
AI Customer ServiceIn this systematic review and meta-analysis, we aim to evaluate the efficacy and safety of catheter ablation as the first-line treatment of ventricular tachycardia (VT) in patients
AI Customer ServiceT1 - Root Cause Analysis in Lithium-Ion Battery Production with FMEA-Based Large-Scale Bayesian Network. AU - Kirchhof, Michael. AU - Haas, Klaus. AU - Kornas, Thomas. AU -
AI Customer ServiceIn Li-ion batteries, pulsed laser ablation has been employed for synthesis, modification and analysis of materials and components via: (1) nanoparticle generation; (2) thin film deposition; (3) machining, and; (4)
AI Customer ServiceThe failure cause of faulty battery was determined through both in-situ and ex-situ testing, including differential voltage analysis and battery disassembly. Finally, the thermal runaway
AI Customer ServiceThe failure cause of faulty battery was determined through both in-situ and ex-situ testing, including differential voltage analysis and battery disassembly. Finally, the thermal runaway
AI Customer ServiceCharacterization of the rate and quality of ultrafast-laser ablation of Li-ion battery (LIB) electrode materials is presented for a collection of common and next-generation
AI Customer ServiceIn recent years, the problems of aging ablation on high-voltage cross-linked polyethylene (XLPE) insulated power cable sheaths have occurred repeatedly, seriously affecting the stability of the
AI Customer ServiceAblation of SEI from the surface of electrodes was done to enable recovery of electrodes for EV battery remanufacturing. Analytical tools including scanning electron
AI Customer ServiceFibre Ablation: 3316–3334 C G s + G t G n G s + G t η BK C where η BK C is the mixed-mode interaction and G n C and G s C are the critical fracture energies required to
AI Customer ServiceSpecifically, the common electrical faults of battery systems can be broadly classified into three categories: battery faults, sensor faults and connection faults [8,
AI Customer ServiceWe show the effectiveness of this holistic method by building up a large scale, cross-process Bayesian Failure Network in lithium-ion battery production and its application for root cause...
AI Customer ServiceHere, we used a new characterization technique, cryogenic femtosecond laser cross sectioning and subsequent scanning electron microscopy, to observe the electroplated Li-metal
AI Customer ServiceLaser fluence ranging from 0.308 to 2.720 J/cm2 was used to irradiate surfaces of degraded battery electrodes to ablate SEI. Ablation of SEI from the surface of electrodes was done to enable
AI Customer ServiceThe arc ablation induces a sealing failure of lithium-ion battery and the security boundary of arc power is explored. The sealing failure induced by arc fault causes the battery degradation. Thermal runaway behavior of faulty batteries is investigated, showing an elevated risk of fire.
Laser fluence ranging from 0.308 to 2.720 J/cm 2 was used to irradiate surfaces of degraded battery electrodes to ablate SEI. Ablation of SEI from the surface of electrodes was done to enable recovery of electrodes for EV battery remanufacturing.
Laser-ablated electrodes will be evaluated in large format 27Ah prismatic cells and compared to baseline (non laser ablated) cells to quantify the performance changes (capacity, rate capability, lifetime, etc.) of laser-processed electrodes.
Ultrafast (femtosecond)-pulsed laser ablation is a promising method to introduce such micro pores or channels in thick battery electrodes as it allows for precise control of pattern geometries, results in minimal damage to the electrode, and can be introduced into existing roll-to-roll electrode manufacturing lines.
The failure cause of faulty battery was determined through both in-situ and ex-situ testing, including differential voltage analysis and battery disassembly. Finally, the thermal runaway characteristics of defective batteries were investigated to discern distinctions from those of normal batteries.
Successfully processed > 1200 m of electrode roll. We have demonstrated that femto-second laser ablation is a cost-effective and scalable method for high-throughput manufacturing of structured electrodes for improving wetting, fast charge performance, and life of Li-ion cells.
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