Results 71 to 80 of about 5,493 (222)
Harnessing the Power of 2D Materials for Flexible Energy Harvesting Applications
Carbon Energy, Volume 7, Issue 12, December 2025.Ambient energy harvesting offers transformative potential for sustainable energy solutions, with 2D materials emerging as a game‐changing platform due to their atomic‐scale thickness, tunable properties, and versatility. This review explores the mechanisms, advantages, and challenges of 2D material–based energy harvesting technologies, emphasizing ...
Muhammad Zubair +2 more
wiley +1 more source
Energies, 2020 In this paper, a Radio Frequency (RF) energy harvester (EH) system for Internet of Things (IoT)-related applications is presented. The proposed EH architecture operates at 5.2 GHz band and utilizes multiple rectenna. This approach enhances the efficiency
Hamed Abbasizadeh +12 more
doaj +1 more source
Smaller SPS system sizing tradeoffs [PDF]
, 1980 The solar power satellite and associated microwave system was reoptimized with larger antennas (at 2.45 GHz), reduced output powers, and smaller rectennas. Four constraints were considered: (1) the 23 mw/sq cm ionospheric limit; (2) a higher (54 mW/sq cm)
Arndt, G. D., Monford, L.
core +1 more source
Sensitive and Nonlinear Far Field RF Energy Harvesting in Wireless Communications
, 2018 This work studies both limited sensitivity and nonlinearity of far field RF energy harvesting observed in reality and quantifies their effect, attempting to fill a major hole in the simultaneous wireless information and power transfer (SWIPT) literature.
Alevizos, Panos N., Bletsas, Aggelos
core +1 more source
FlexMat, Volume 2, Issue 4, Page 493-509, December 2025.This paper presents a comprehensive review of radio frequency (RF)‐based wireless charging technologies for flexible electronics. In particular, we (i) provide an overview of wireless charging approaches, (ii) investigate the fundamental RF charging principles, covering rectenna design, impedance matching, RF‐to‐DC conversion, and power management, and
Qu Luo +6 more
wiley +1 more source
High‐Efficiency Millimeter‐Wave Scalable Rectenna Array With Individual Impedance Control
International Journal of Circuit Theory and Applications, Volume 53, Issue 11, Page 6143-6151, November 2025.This study proposes a millimeter‐wave scalable rectenna array with individual fundamental and second harmonic impedance control for high‐efficiency wireless power transfer. The array integrates rectifiers, patch antennas, and a DC combining network, ensuring effective impedance matching and optimal power conversion while maintaining independent control
Yeonsoo Kim +5 more
wiley +1 more source
A Wideband Rectenna Using High Gain Fractal Planar Monopole Antenna Array for RF Energy Scavenging
International Journal of Antennas and Propagation, 2020 This paper introduces a wideband rectenna that can scavenge ambient wireless power to a range of frequency band from 0.91 GHz to 2.55 GHz efficiently. The proposed rectenna is based on a wideband 2 × 2 fractal monopole antenna array with omnidirectional ...
Mohammad M. Fakharian
doaj +1 more source
Environmental assessment overview [PDF]
, 1980 The assessment program has as its objectives: to identify the environmental issues associated with the SPS Reference System; to prepare a preliminary assessment based on existing data; to suggest mitigating strategies and provide environmental data and ...
Valentino, A. R.
core +1 more source
Optimized design of multiband and solar rectennas [PDF]
2014 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), 2014 This paper presents several designs of multiband and solar rectennas. The procedure in order to perform multiband optimization of rectenna elements is presented and two design examples of 850 MHz/1850MHz and 915MHz/2.45GHz dual band rectennas are discussed. Additionally, two designs of compact solar rectennas where the solar cells share the area of the
Kyriaki Niotaki +5 more
openaire +2 more sources
Engineering Reports, Volume 7, Issue 9, September 2025.In this study, a new plan for routing radio transmitters is presented using an algorithm compatible with RFEH. The proposed algorithm is based on the genetic algorithm (GA), and in an innovation, using the HPBW in the GA creates a population for initial sampling dependent on the receiver antenna.
S. Hosseini +3 more
wiley +1 more source