A5007946814- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Inorganic Chemistry and Materials
- Extraction and Separation Processes
- Radioactive element chemistry and processing
- Thermal Expansion and Ionic Conductivity
- Electrochemical Analysis and Applications
- Machine Learning in Materials Science
- Supercapacitor Materials and Fabrication
- Electrocatalysts for Energy Conversion
- Fuel Cells and Related Materials
Pohang Iron and Steel (South Korea)
2023-2025
Research Institute of Industrial Science and Technology
2024
Tokyo Institute of Technology
2014-2022
All solid-state batteries are of key importance in the development next-generation energy storage devices with high density. Herein, we report fabrication and operation bulk-type 5 V-class all consisting LiNi0.5Mn1.5O4 cathode, Li10GeP2S12 solid-electrolyte, Li metal anode. The 1st discharge capacity is about 80 mAh g–1 an average voltage 4.3 V. gradually decreases during subsequent cycles. X-ray diffraction electrochemical impedance spectroscopy measurements reveal that fading results from...
The lithium diffusion pathway in the LGPS structure visualized through MEM analysis assisted elucidating conductivity changes with temperature.
Lithium argyrodite sulfide solid electrolytes are widely used in all-solid-state batteries owing to their high ionic conductivity. Recently, high-entropy argyrodites by anion disorder Li6PS5Cl have emerged as promising superionic...
Understanding Li-ion conduction in superionic conductors accelerates the development of new solid electrolytes to enhance charge–discharge performances all-solid-state batteries. We performed a quasi-elastic neutron scattering study on model conductor (Li10+xGe1+xP2–xS12, LGPS), reveal its ion dynamics an angstrom-scale spatial range and pico-to-nanosecond temporal range. The observation spectra at 298 K confirmed high lithium diffusivity. obtained diffusion coefficient was order 10–6 cm2...
Abstract All‐solid‐state batteries (ASSBs) with sulfide‐based electrolytes, such as argyrodite (Li₆PS₅Cl, LPSCl), offer significant advantages regarding safety and energy density. However, conventional Cu current collectors LPSCl suffer from corrosion, necessitating a deeper understanding of appropriate mechanisms strategies to address them. This study investigates the impact electrolyte decomposition on degradation in ASSBs. Accelerated experiments reveal that forms an ineffective passive...
Abstract Recently, sulfide‐based all‐solid‐state batteries (ASSBs) have attracted great attention because of their excellent safety and high energy density. However, by‐products formed from side‐reactions between the oxide‐based cathodes solid electrolytes (SEs) increase interfacial resistance degrade cell performance. Suppression this is thus critical. In study, extraordinarily stability cathode/SE interface discovered when a Li 10 SnP 2 S 12 (LSnPS) applied to cathode buffer layer. The...
Issues related to explosions and energy density constraints are presented by lithium-ion batteries (LIBs) employing organic electrolytes. 1 The pursuit of overcoming these challenges has brought all-solid-state (ASSBs), representing the next generation batteries, prominence as a viable solution. interest been directed towards sulfide-based solid electrolytes (SEs), recognized crucial component in ASSBs due their elevated ionic conductivity. Nevertheless, encountered, encompassing hazardous...
Abstract The demand for all‐solid‐state batteries (ASSBs) featuring credible Li 6 PS 5 Cl argyrodite (LPSCl) electrolytes is increasing, driving interest in exploring suitable current collectors ASSBs. Copper (Cu), used as a collector traditional lithium‐ion batteries, exhibits significant instability LPSCl‐ASSBs. In this study, the effectiveness of iron (Fe) systematically investigated an alternative LPSCl‐ASSBs and compare its performance to that Cu. Electrochemical analyses reveal Cu...
Fast ionic conduction in solid electrolytes plays a key role feasibility of the all-solid-state battery system. Among lithium ion conductors, Li 10 GeP 2 S 12 (LGPS) system shows conductivity comparable to organic liquid [1]. The recent study focused on synthesis solutions this material, which might introduce either vacancy or interstitial ions and affect its electrochemical stability. crystal structures solution were studied using neutron diffraction technique. Their pathway was estimated...
Lithium superionic conductors, which can be used as solid electrolytes, promise the potential to replace organic liquid electrolytes and thereby improve safety of next-generation high-energy batteries. Although advantages non-flammable are widely acknowledged, their low ionic conductivities chemical electrochemical stabilities prevent them from being in practical applications. The new lithium conductor, Li 10 GeP 2 S 12 (LGPS) exhibits an extremely high bulk conductivity over -2 cm -1 at...