Results 111 to 120 of about 42,125 (356)

Development of a new type of smart charger for mine-used lead-acid battery

open access: yesGong-kuang zidonghua, 2013
For problems of bulky, low charging efficiency, low input power factor and so on of traditional charger for mine-used lead-acid battery, a new type of smart charger was developed.
ZHANG Quan-zhu   +3 more
doaj  

Improved Sliding Mode Control for Performance Enhancement of PMD Battery Charger Using Fuzzy Logic Control

open access: yesIEEE Access
This paper presents an improved sliding mode control (SMC) for performance enhancement of personal mobility device (PMD) battery charger using fuzzy logic control.
Gyuri Kim, Yeongsu Bak
doaj   +1 more source

Radioisotope thermal generator (RTG) power conditioner [PDF]

open access: yes, 1974
New regulator: (a) permits operation with high-impedance radioisotope thermal generators at conversion efficiencies typically above 90%; (b) does not require input filtering; (c) eliminates current spiking; and (d) is simple, efficient, and reliable ...
Stacey, W. S.
core   +1 more source

Characterizing Smartphone Power Management in the Wild

open access: yes, 2016
For better reliability and prolonged battery life, it is important that users and vendors understand the quality of charging and the performance of smartphone batteries. Considering the diverse set of devices and user behavior it is a challenge.
Hoque, Mohammad A., Tarkoma, Sasu
core   +1 more source

Zero-Emission Medium- and Heavy-duty Truck Technology, Markets, and Policy Assessments for California [PDF]

open access: yes, 2020
This report assesses zero emissions medium- and heavy-duty vehicle technologies, their associated costs, projected market share, and possible policy mandates and incentives to support their adoption.
Burke, Andrew, PhD   +1 more
core  

Coordinated Multi‐Component Gradient Engineering of Catalyst Layers for Advanced Polymer Electrolyte Fuel Cells

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a continuous linear gradient catalyst layer design, a general strategy for improving membrane electrode assemblies across electrochemical devices. Fabricated via a dual‐nozzle spray coating method, the architecture controls the Pt/carbon ratio, ionomer content and ionomer type across the catalyst layer, enhancing proton conduction ...
Shangwei Zhou   +15 more
wiley   +1 more source

Zener-regulated solar array/battery power system [PDF]

open access: yes, 1975
Zener diode limits solar cell voltage used to charge battery.
Eliason, J. T.
core   +1 more source

A Review on Integrated Battery Chargers for Electric Vehicles [PDF]

open access: gold, 2022
Tiago J. C. Sousa   +3 more
openalex   +1 more source

Analysis of the Electrochemical Stability of Sulfide Solid Electrolyte Dry Films for Improved Dry‐Processed Solid‐State Batteries

open access: yesAdvanced Functional Materials, EarlyView.
An adapted processing for solvent‐free argyrodite solid electrolyte films based on insights into degradation mechanisms of the widely used binder polytetrafluoroethylene is presented. By adapting the dry film processing, long‐term cycling in Si||NMC pouch cells is demonstrated over more than 1000 cycles with a capacity retention of more than 80%, and ...
Maria Rosner   +10 more
wiley   +1 more source

An electric vehicle propulsion system's impact on battery performance: An overview [PDF]

open access: yes
The performance of two types of batteries, lead-acid and nickel-zinc, was measured as a function of the charging and discharging demands anticipated from electric vehicle propulsion systems.
Bozek, J. M.   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy