Results 71 to 80 of about 11,282 (312)

A Solvent‐Free, Dry‐Processed Li‐Ion Battery Enabled by Dual Binders and Nanostructured Aluminum Current Collectors

open access: yesAdvanced Functional Materials, EarlyView.
A dual‐binder dry‐processed electrode (DB‐DPE) combining PTFE and PVDF with a nanostructured Al current collector (NSA) forms a mechanically interlocked interface that significantly improves adhesion and reduces interfacial resistance. With an active material content as high as 96 wt.%, the NSA‐based DB‐DPE enables high‐mass‐loading operation (12.5 mAh
Seok Yun Kim   +4 more
wiley   +1 more source

Influence of Screw Design and Process Parameters on the Product Quality of PEO:LiTFSI Solid Electrolytes Using Solvent-Free Melt Extrusion

open access: yesBatteries
All-solid-state battery (ASSB) technology is a new energy system that reduces the safety concerns and improves the battery performance of conventional lithium-ion batteries (LIB).
Katharina Platen   +2 more
doaj   +1 more source

Solvent‐Free Bonding Mechanisms and Microstructure Engineering in Dry Electrode Technology for Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Dry electrode technology revolutionizes battery manufacturing by eliminating toxic solvents and energy‐intensive drying. This work details two promising techniques: dry spray deposition and polymer fibrillation. How their unique solvent‐free bonding mechanisms create uniform microstructures for thicker, denser electrodes, boosting energy density and ...
Yuhao Liang   +7 more
wiley   +1 more source

Tuning the Electronic Structure and Spin State of Fe─N─C Catalysts Using an Axial Oxygen Ligand and Fe Clusters for High‐Efficiency Rechargeable Zinc–Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A FeN4─O/Clu@NC‐0.1Ac catalyst containing atomically‐dispersed FeN4─O sites (medium‐spin Fe2+) and Fe clusters delivered a half‐wave potential of 0.89 V for ORR and an overpotential of 330 mV at 10 mA cm−2 for OER in 0.1 m KOH. When the catalyst was used in a rechargeable Zn–air battery, a power density of 284.5 mW cm−2 was achieved with excellent ...
Yongfang Zhou   +8 more
wiley   +1 more source

Powering the Future: A Cobalt‐Based Catalyst for Longer‐Lasting Zinc–Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A novel N‐doped graphitic shell‐encapsulated Co catalyst reveals superior bifunctional ORR/OER activity in alkaline media, empowering outstanding liquid and quasi‐solid‐state ZAB activity. The system delivers long‐term durability, a peak power density of 127 mW cm−2 and successfully powers an LED and a mini fan.
Manami Banerjee   +10 more
wiley   +1 more source

Electrospun ceramic nanofibers as 1D solid electrolytes for lithium batteries

open access: yesElectrochemistry Communications, 2019
All-solid-state lithium batteries (ASSLBs) are undoubtedly among the most promising technologies to replace conventional lithium-ion batteries. Their key component is a thin solid-state electrolyte, which is safer than its flammable liquid counterpart ...
Andrea La Monaca   +4 more
doaj   +1 more source

Lithium Argyrodite Sulfide Electrolytes with High\nIonic Conductivity and Air Stability for All-Solid-State Li-Ion Batteries

open access: green, 2021
Yongheum Lee (9154473)   +10 more
openalex   +2 more sources

Photo‐Switching Thermal and Lithium‐Ion Conductivity in Azobenzene Polymers

open access: yesAdvanced Functional Materials, EarlyView.
Light‐responsive azobenzene polymers control thermal and ionic transport simultaneously through structural transitions. UV illumination disrupts π–π stacking, converting crystalline trans states to amorphous cis configurations. Thermal conductivity drops from 0.45 to 0.15 W·m−1·K−1 while Li+ diffusivity increases 100 fold. This dual transport switching
Jaeuk Sung   +7 more
wiley   +1 more source

Lithium-ion Conductors Prepared by Low-temperature Heat Treatment of Amorphous Materials with the Composition of High-Al Substituted Li1+xAlxGe2−x(PO4)3 (x = 1.0) for All-solid-state Batteries

open access: yesElectrochemistry
Amorphous powder with the composition of high-Al substituted Li1+xAlxGe2−x(PO4)3 (x = 1.0) [LAGP(x = 1.0)] were prepared by mechanical milling treatment of the starting materials.
Nana SHINADA   +3 more
doaj   +1 more source

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