Results 241 to 250 of about 9,712,110 (347)

Analog Signal Rectification and Filtering by a Single Electrolyte‐Gated Transistor Based on Reduced Graphene Oxide

open access: yesAdvanced Electronic Materials, EarlyView.
Ambipolar materials are attractive for the design of low‐power and low‐complexity multifunctional devices. Here, an ambipolar rGO‐EGT is demonstrated as a single device signal processing unit, performing real‐time mathematical operations on oscillatory input signals as well as filtering and rectification.
Federico Rondelli   +6 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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