Results 241 to 250 of about 41,317 (333)

Transient cavity dilatation during supine exercise bicycle stress testing: mechanistic insights. [PDF]

open access: yesEcho Res Pract
Elliott BL   +5 more
europepmc   +1 more source

Beyond PEG: Emerging Polymer Lipid Alternatives for Lipid Nanoparticle (LNP) Formulations

open access: yesAdvanced Science, Volume 13, Issue 50, 7 September 2026.
This review discusses recent advances in PEG‐alternative LNP designs, including non‐PEG polymers, zwitterionic lipids, and polypeptides. It evaluates how surface‐engineering chemistry influences LNP formation and biological behavior, and highlights current limitations and opportunities of PEG‐alternative LNPs.
Zihnil A. I. Mazrad   +4 more
wiley   +1 more source

Facilitated Phase Transformation for Improved Performance of Earth‐Abundant Disordered Rocksalt Materials

open access: yesAdvanced Energy Materials, Volume 16, Issue 35, 16 September 2026.
As demand for Li‐ion batteries grows, Mn‐rich disordered rocksalt (DRX) oxides offer a sustainable, low‐cost alternative to scarce Ni and Co. During cycling, Mn‐rich DRX materials transform into a partial spinel‐like phase (𝛿) that improves rate capability and capacity.
Han‐Ming Hau   +12 more
wiley   +1 more source

Operando Visualization of Dynamic Lithium and Electrolyte Transport in 18650‐Type Lithium‐Ion Cells

open access: yesBatteries &Supercaps, Volume 9, Issue 9, September 2026.
Nonlinear volume changes in commercial 18650 cylindrical cells were studied macroscopically, with a focus on electrolyte distribution. Using optical micrometry and neutron imaging, researchers observed anisotropic cell expansion linked to lithium transport and electrolyte redistribution.
Dominik Petz   +4 more
wiley   +1 more source

Influence of Calendar Aging on Cell‐To‐Cell Variation of 18650 NCA Cells With Blended Si‐ and SiOx‐Based/Graphite Electrodes

open access: yesBatteries &Supercaps, Volume 9, Issue 9, September 2026.
Two cell types (n = 30 cells each) were subjected to calendar aging for up to 323 days at 35 °C and 100% SoC. Noninvasive diagnostic methods and electrode balancing were applied to identify degradation modes, including loss of lithium inventory and loss of active material.
Duc Minh Nguyen   +5 more
wiley   +1 more source

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