Results 161 to 170 of about 42,125 (356)

Atomic‐Level Dual‐Cation Engineering Enables High‐Performance Na4VMn(PO4)3 Cathodes for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Dual‐cation site engineering unlocks stable and fast sodium storage in Na4VMn(PO4)3 cathodes. Li+ at Na2 suppresses Jahn‐Teller distortion, while K+ at Na1 expands ion channels, enabling synchronized V/Mn redox and quasi‐single‐phase kinetics. This atomic‐level strategy achieves ultralong cycling stability, high‐rate capability, and full cell viability
Jiaze Sun   +8 more
wiley   +1 more source

PENGUJIAN CHARGER MODUL SIMULASI SOLAR CELL UNTUK MENYUPLAI WARNING LIGHT

open access: yesBuletin Fisika, 2014
Simulation Module Testing Solar Cell Charger For Supplies the Warning Light Simulation module has been tested solar cell charger to supply the battery warning light on two different, where the purpose of the author can test solar cell circuit simulation ...
I Wayan Teresna   +2 more
doaj  

Experimental implementation of a smart battery charger for electric vehicles charging station

open access: diamond, 2020
Abdelilah Hassoune   +4 more
openalex   +2 more sources

PTFE‐Activated Graphene Overcomes Dispersion Challenges for Scalable Solvent‐Free Fabrication of Ultra‐Thick, High‐Performance Cathodes in Lithium Metal Batteries

open access: yesAdvanced Functional Materials, EarlyView.
PTFE nanoparticle–anchored rGO (rGO@PTFE) for scalable solvent‐free fabrication of ultra‐thick, high‐density cathodes, achieving high conductivity (9.55 S cm−1), lithium transference (0.73), and improved wettability, is developed. The resulting cathode delivers 15.2 mAh cm−2 areal and 563 mAh cm−3 volumetric capacities, with full cells exhibiting 637 ...
Juhee Yoon   +7 more
wiley   +1 more source

Enhanced Nitric Oxide Electroreduction to Ammonia via Modulating Spin‐Polarization of Fe Single‐Atom Catalysts

open access: yesAdvanced Functional Materials, EarlyView.
A strategic spin‐polarization suppression in Fe single‐atom catalysts is proposed to enhance electrocatalytic reduction of NO to NH3. Employing a top‐down electrospinning strategy, self‐supported FeSAC with Fe‐N3S1 coordination structure and spin‐state transition is engineered from high‐spin to low‐spin.
Jialing Song   +13 more
wiley   +1 more source

Application of DFMECA in Singapore Traction Battery Charger Development

open access: yes机车电传动, 2011
Based on analysis of Singapore traction battery charger development, the high-risk failure source and mode of charger design were indentified successfully by DFMECA design method, and the preventive and settled measures to effectively avoid later ...
杨颖, 颜小鹏
doaj  

Portable medical status and treatment system [PDF]

open access: yes
A portable medical status and treatment system is discussed. The vital signs monitor includes electrocardiogram, respiration, temperature, blood pressure, alarm, and power subsystems, which are described.

core   +1 more source

Artificial Amorphous Interface Matters for Boosting High‐Voltage Stable LiCoO2 Cathode

open access: yesAdvanced Functional Materials, EarlyView.
The amorphization of phosphate‐based surface layer with favorable Li‐ion conducting kinetics is realized by precisely tailored atomic‐level fabrication. This amorphous coating enables the lithium cobalt oxide (LCO) cathode superior high‐voltage rate capability and cycling performance, owing to the fast interfacial ionic transport and maintained ...
Jinjin Ma   +10 more
wiley   +1 more source

Characterization of Harmonic Distortion on the Electric Network Caused By a Battery Charger for Electric Vehicles [PDF]

open access: green, 2013
Alejandro Paredes   +5 more
openalex  

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