Results 221 to 230 of about 655,217 (269)

Memristor‐Driven Active‐Matrix Organic Light‐Emitting Diode for Energy Efficient and High‐Resolution Displays

Advanced Functional Materials, EarlyView.
This study demonstrates that memristors can replace conventional 2T–1C driving circuits with simplified 1T–1 m architectures by exploiting resistance switching. With ultra‐low switching voltages (< ±0.2 V) and multi‐level resistance states, the memristors precisely control the current injected into organic light‐emitting diodes (OLEDs).
Dong Hyun Kim, Nahyun Kim, Seok Hee Hong, Ho Jin Lee, Jin Suk Oh, Jae Seong Park, Tae Geun Kim   +6 more
wiley   +1 more source

Polymer Interface Enables Reversible Quasi‐Solid Sulfur Conversion in Sodium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
The polymer interface enables a stable quasi‐solid sulfur conversion pathway in room‐temperature Na─S batteries. The coating regulates Na+ transport, stabilizes the cathode–electrolyte interphase, and accommodates mechanical stress, suppressing electrolyte decomposition and sulfur migration, thereby improving reaction uniformity, reducing polarization,
Reza Andaveh, Ying Zhao, Enzhong Jin, Zixin Zhang, Vinicius Martins, Parham Pirayesh, Yi Gan, Yi Yuan, Yijia Wang, Frederick Benjamin Holness, Changhong Cao, Jun Song, Yang Zhao   +12 more
wiley   +1 more source

Rationally Designed Bilayer Passivation Strategy for High‐Performance Vacuum‐Processed Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
A bilayer “Anchor‐and‐Seal” passivation strategy using EDAI2 and 4MeO‐PEAI effectively mitigates surface defects in vacuum‐processed perovskite films through synergistic hydrogen bonding and Lewis base coordination. This approach optimizes interfacial energy alignment and suppresses non‐radiative recombination, enabling vacuum‐deposited p‐i‐n ...
Mohammadhossein Kohan, Sang‐Heon Lee, Jaswinder Singh, Sung‐Nam Kwon, Seok‐In Na   +4 more
wiley   +1 more source

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Battery state-of-charge estimation

Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001
This paper discusses the problem of lead acid battery state-of-charge estimation for (hybrid) electric vehicles. The problem is to accurately estimate the remaining battery capacity for both driver notification and automated energy management. The article presents a review of the problem, existing solution methods, presentation of a new solution method,
Shuo Pang, Jay A. Farrell, Jie Du, Matthew J. Barth   +3 more
openaire   +1 more source

Estimating the state of charge of a battery

IEEE Transactions on Control Systems Technology, 2004
This brief considers the state of charge (SOC) estimation problem for electrochemical batteries. Using an electric circuit model of the battery given in the literature, it is shown how the open-circuit voltage (which is directly related to the SOC) can be estimated based on the terminal voltage and current measurements provided there is sufficient ...
John N. Chiasson, Baskar Vairamohan
openaire   +1 more source

Formation of different charge states and the charge state fractions of sputtered Ti and Ni

Surface Science Letters, 1986
Abstract The energy and angular dependences of the charge state fraction η i of Ti and Ni particles sputtered in binary collisions with Ne + and Ar + ions were determined. It was found that the charge states strongly depend on v ⊥ , the velocity component normal to the surface, and on the species of the primary ions. Monte Carlo simulations (
Barth, H., Muehling, E., Eckstein, W.
openaire   +2 more sources

Charge Detection Mass Spectrometry with Resolved Charge States

Journal of the American Society for Mass Spectrometry, 2012
Charge detection mass spectrometry (CDMS) measurements have been performed for cytochrome c and alcohol dehydrogenase (ADH) monomer using a modified cone trap incorporating a cryogenically cooled JFET. Cooling the JFET increases its transconductance and lowers thermal noise, improving the signal to noise (S/N) ratio.
Nathan C, Contino, Elizabeth E, Pierson, David Z, Keifer, Martin F, Jarrold   +3 more
openaire   +2 more sources

State of charge estimator for NiMH batteries

Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2003
A state of charge estimator for Nickel-Metal Hydride batteries, suitable for hybrid vehicles automotive applications, is proposed. The estimator is based on a statespace dynamic model of the battery which is obtained by modeling the kinetic of reactions and the diffusion phenomena.
Barbarisi O, Canaletti R, Glielmo L, Gosso M, Vasca F   +4 more
openaire   +2 more sources

State of charge

IEEE Spectrum, 2012
In a cloud of car exhaust during a Friday rush hour, I'm humming over San Francisco's Golden Gate Bridge in an all-electric, tailpipe-free Nissan Leaf. I've plotted a course for Vacaville, 88 kilometers (55 miles) north, known for its sprawling outlet mall.
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Theory of charge states in sputtering

Nuclear Instruments and Methods in Physics Research, 1981
The ionization of particles sputtered from solid state substrates is a complex phenomenon which involves motions and strong electronic perturbations of a large number of atoms and may comprise several independent physical processes. Thus, a theoretical description of charge states of sputtered particles which would be more than a working hypothesis ...
openaire   +1 more source