Results 261 to 270 of about 1,664,562 (341)

Primary health care reforms: a scoping review. [PDF]

open access: yesPrim Health Care Res Dev
Shirjang A   +3 more
europepmc   +1 more source

Vacuum Thermal Evaporation for OLEDs: Fundamentals, Optimization, and Implications for Perovskite LEDs

open access: yesAdvanced Electronic Materials, EarlyView.
Vacuum thermal evaporation (VTE) is the dominant method for manufacturing high‐performance small‐molecule organic light‐emitting diodes (OLEDs). Its mature application in OLEDs offers valuable guidance for emerging perovskite light‐emitting diodes (PeLEDs).
Chenxi Shen   +8 more
wiley   +1 more source

Understanding Structural and Compositional Evolution during NMC Cathode Direct Recycling via Solid‐State NMR

open access: yesAdvanced Energy Materials, EarlyView.
Direct recycling end‐of‐life lithium‐ion batteries (LIB) to recover high‐value cathode materials such as LiNixMnyCozO2 (NMC) requires method development and detailed characterization. In this work, the unique capabilities of solid‐state NMR in characterizing changes in local ordering within NMC cathode materials during recycling and upcycling as well ...
Evelyna Wang   +10 more
wiley   +1 more source

Innovative Approach to Recycle Lithium‐Ion Battery Electrolytes via Sequential Chemical Processes

open access: yesAdvanced Energy Materials, EarlyView.
A chemical separation method is developed to recycle and purify nonaqueous electrolytes from spent lithium‐ion batteries. The new process consists of a sequence of precipitation in tandem with each distillation and solvent‐assisted vacuum extraction to obtain high‐quality electrolyte precursors.
Ting‐Wei Hsu   +2 more
wiley   +1 more source

Stability of Organic Photovoltaics: From Root Causes to Advanced Analytical Techniques

open access: yesAdvanced Energy Materials, EarlyView.
This review explains the causes and mechanisms of degradation in organic photovoltaics (OPVs). It explores how various factors, including heat, light, oxygen, and inherent material properties, influence OPV stability. The study categorizes degradation pathways and analyzes their impact on device performance, providing insights into the fundamental ...
Yelim Choi   +6 more
wiley   +1 more source

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