Results 191 to 200 of about 485,962 (354)

Configuration and Charge Dynamics of Defect‐Cluster‐Dipoles in CaTiO3 for Enhanced Permittivity

open access: yesAdvanced Electronic Materials, EarlyView.
In La‐doped CaTiO3, the clustering of La ion and Ca vacancies is clearly observed and the configuration of such defect‐cluster is validated. Combining photoelctronic and dielectric spectroscopy enables the dielectric relaxation process with the charge transfer routes.
Jian Wang   +4 more
wiley   +1 more source

Heterogeneity of the Dominant Causes of Performance Loss in End‐of‐Life Cathodes and Their Consequences for Direct Recycling

open access: yesAdvanced Energy Materials, EarlyView.
Direct recyling of Li‐ion battery materials promises a low‐cost path towards a secure domestic supply of critical materials for batteries. Using cathode material from an end‐of‐life commercial Li‐ion cell, this work identifies the primary degradation mechanisms that diminish the performance of directly reused cathode materials and includes a discussion
Melissa Popeil   +13 more
wiley   +1 more source

A Novel Quantification Method for High Voltage Structural Evolution in Sodium and Lithium Layered Oxides

open access: yesAdvanced Energy Materials, EarlyView.
High‐voltage cycling of layered alkali transition metal oxides in Li‐ and Na‐ion cells increases energy density but diminishes lifetime. A novel XRD‐analysis method, centered on the stacking factor “z”, is developed to quantify the stacking fractions in the OP hybrid structure.
Libin Zhang   +3 more
wiley   +1 more source

Evaluation and Characterization of SEI Composition in Lithium Metal and Anode‐Free Lithium Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This article emphasizes the pivotal role of solid electrolyte interphase (SEI) stability in enhancing the performance of lithium‐metal and anode‐free batteries. It illustrates how innovative additives, fluorinated electrolytes, and in situ methods improve SEI conductivity, durability, and its development under real‐world conditions.
Karthik Vishweswariah   +5 more
wiley   +1 more source

Cross‐Linked Protein Crystals With an Intense Nonconventional Full‐Color Photoluminescence Originating From Through‐Space Intermolecular Interaction

open access: yesAggregate, EarlyView.
Cross‐linked protein crystals are introduced as a novel class of nontraditional luminescent materials (NLMs) exhibiting tunable full‐color photoluminescence. Three polymorphic lysozyme crystals establish a clear, definitive structure–emission relationship, revealing that emission originates from intermolecular through‐space interactions (TSI).
Renbin Zhou   +7 more
wiley   +1 more source

opXRD: Open Experimental Powder X‐Ray Diffraction Database

open access: yesAdvanced Intelligent Discovery, EarlyView.
We introduce the Open Experimental Powder X‐ray Diffraction Database, the largest openly accessible collection of experimental powder diffractograms, comprising over 92,000 patterns collected across diverse material classes and experimental setups. Our ongoing effort aims to guide machine learning research toward fully automated analysis of pXRD data ...
Daniel Hollarek   +23 more
wiley   +1 more source

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