Results 11 to 20 of about 8,743,114 (397)

Three dimensional architected thermoelectric devices with high toughness and power conversion efficiency. [PDF]

open access: yesNat Commun, 2023
The potential of thermoelectric devices is typically hindered by heat stagnation and poor mechanical strength, which degrade their performance. Here, the authors demonstrate larger temperature gradients and higher mechanical strength by developing 3D ...
Karthikeyan V   +7 more
europepmc   +2 more sources

Biomimetic Nanocomposite Membranes with Ultrahigh Ion Selectivity for Osmotic Power Conversion. [PDF]

open access: yesACS Cent Sci, 2021
Ion transport in nanoconfinement exhibits significant features such as ionic rectification, ionic selectivity, and ionic gating properties, leading to the potential applications in desalination, water treatment, and energy conversion.
Chen J   +7 more
europepmc   +2 more sources

Overview of Talkative Power Conversion Technologies

open access: yesIEEE Open Journal of Power Electronics, 2023
Power Line Communication (PLC) and Simultaneous Wireless Information and Power Transfer (SWIPT) are popular examples of applications, where power and information are transmitted simultaneously.
M. Liserre   +4 more
semanticscholar   +1 more source

Evaluating Piezoelectric Materials and Vibration Modes for Power Conversion

open access: yesIEEE transactions on power electronics, 2022
Piezoelectric components offer several potential advantages to power conversion including high power density and efficiency capabilities compared to magnetics at small scales.
J. D. Boles   +5 more
semanticscholar   +1 more source

Bipolar DC Power Conversion: State-of-the-Art and Emerging Technologies

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
This article provides a detailed analysis of the power electronics solutions enabling bipolar dc grids. The bipolar dc grid concept has proven to be more efficient, flexible, and higher in quality than the conventional unipolar one.
S. Rivera   +4 more
semanticscholar   +1 more source

Optimized Resonators for Piezoelectric Power Conversion

open access: yesIEEE Open Journal of Power Electronics, 2021
The performance of inductors at high frequencies and small sizes is one of the largest limiting factors in the continued miniaturization of dc-dc converters.
Weston D. Braun   +6 more
semanticscholar   +1 more source

Research on equivalent thermal network modeling for rare-earth giant magnetostrictive transducer

open access: yesScientific Reports, 2022
Of crucial importance for giant magnetostrictive transducers (GMTs) design is to quickly and accurately analysis the temperature distribution. With the advantages of low calculation cost and high accuracy, thermal network modelling has been developed for
Zhihe Zhang, Xin Yang, Yukai Chen
doaj   +1 more source

Branch Voltage Balancing Control Strategy Based on the Transfer Power Model by Zero-Sequence Circulating Current for the Hexverter

open access: yesIEEE Access, 2022
This paper proposes a novel branch voltage-balancing control strategy for a hexagonal converter (Hexverter). First, the state-space model based on the double-dq transformation is analyzed in-depth along with the necessary basic mathematical derivation ...
Yang Yi   +3 more
doaj   +1 more source

A comprehensive review of planning, modeling, optimization, and control of distributed energy systems

open access: yesCarbon Neutrality, 2022
Distributed energy system, a decentralized low-carbon energy system arranged at the customer side, is characterized by multi-energy complementarity, multi-energy flow synergy, multi-process coupling, and multi-temporal scales (n-M characteristics).
Junhong Hao   +3 more
doaj   +1 more source

The Path to 20% Power Conversion Efficiencies in Nonfullerene Acceptor Organic Solar Cells

open access: yesAdvanced Energy Materials, 2020
The power conversion efficiencies (PCEs) of single‐junction organic solar cells (OSC) have now reached over 18%. This rapid recent progress can be attributed to the development of new nonfullerene electron acceptors (NFAs) that are paired with suitable ...
Akchheta Karki   +3 more
semanticscholar   +1 more source

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