Results 81 to 90 of about 42,125 (356)

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Chattering Reduction Using Improved Switching Functions in the SMC Method for Battery Chargers of PMDs

open access: yesIEEE Access
This paper proposes a chattering reduction using improved switching functions in the sliding mode control (SMC) method for battery chargers of personal mobility devices (PMDs).
Junhyeok Choi, Yeongsu Bak
doaj   +1 more source

The Extravehicular Maneuvering Unit's New Long Life Battery and Lithium Ion Battery Charger [PDF]

open access: yes, 2010
The Long Life (Lithium Ion) Battery is designed to replace the current Extravehicular Mobility Unit Silver/Zinc Increased Capacity Battery, which is used to provide power to the Primary Life Support Subsystem during Extravehicular Activities. The Charger
Dembeck, Jacob   +3 more
core   +1 more source

Universal In Situ Isotope Exchange Raman Spectroscopy (IERS) Methodology for Measuring Oxygen Surface Exchange Dynamics Using a Probe Layer

open access: yesAdvanced Functional Materials, EarlyView.
A bespoke multilayer thin film configuration has been designed, which overcomes the material dependency of conventional isotope exchange Raman spectroscopy (IERS). This universal IERS methodology is efficient, non‐destructive and provides additional structural information and time resolution, which can be further extended to various isotopic elements ...
Zonghao Shen   +7 more
wiley   +1 more source

Optimal Charging Strategy for EVs with Batteries at Different States of Health [PDF]

open access: yes, 2013
The electric vehicle (EV) is targeted as an efficient method of decreasing CO2 emission and reducing dependence on fossil fuel. Compared with filling up the internal combustion engine (ICE) vehicle, the EV power charging time is usually long.
Conti, Matteo   +4 more
core  

Curved Nanographene–Graphite Hybrid Anodes with Sequential Li+ Insertion for Fast‐Charging and Long‐Life Li‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid anode composed of Cl‐functionalized curved nanographene and graphite enables ultra‐fast charging and long cycle life through an engineered morphology and sequential Li+ insertion. It delivers 100 mAh g−1 at 5 C with 70% capacity retention after 1000 cycles and maintains stable performance over 2000 cycles in pouch cells, providing a practical ...
Hyunji Cha   +8 more
wiley   +1 more source

Integrated motor drive and non-isolated battery charger based on the split-phase PM motors for plug-in vehicles

open access: yesThe Journal of Engineering, 2014
A novel integrated motor drive and non-isolated battery charger based on a split-phase permanent magnet (PM) motor is presented and described for a plug-in vehicle.
Saeid Haghbin, Ola Carlson
doaj   +1 more source

Pemodelan dan Simulasi Battery Charger Berbasis Push-Pull Converter Menggunakan Matlab-Simulink [PDF]

open access: yes, 2017
Battery is an alternative energy source and it is important for energy storage. Battery is often used as energy reserves but the energy in the battery is not able to maintain for longer time. Therefore the battery need to be recharged.
Anto, B. (Budhi)   +1 more
core  

Quantifying Spatio‐Operational Heterogeneity in Electrochemical Devices via Operando Correlative Neutron and X‐Ray Tomography

open access: yesAdvanced Functional Materials, EarlyView.
Heterogeniety in electrochemical systems heavily influences device performance and durability. The study shows unique evidence of spatio‐operational heterogeneity in fuel cells via operando neutron and X‐ray tomography. Large variations in membrane thickness and hydration depend upon location and operating conditions, with implications on membrane ...
Pranay Shrestha   +9 more
wiley   +1 more source

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