Architecture of Low Power Energy Harvester Using Hybrid Input of Solar and Thermal for Laptop or Notebook: A Review

Nadzirin, Hanani Mohamed; Sampe, Jahariah; Islam, Muhammad Shabiul; Kamal, Noorfazila

doi:10.3844/ajassp.2016.953.961

Cited by 5 publications

(3 citation statements)

References 37 publications

(41 reference statements)

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“…RF energy sources provides in a relatively low energy density (Visser and Vullers, 2013) of 0.2nW/cm 2 -1µW/cm 2 . The PMU module is used to boost and give maximum energy for battery charging operation (Nadzirin et al, 2016). Moreover, voltage amplification is needed to boost up the harvested energy.…”

Section: Related Researchmentioning

confidence: 99%

MEMS Based RF Energy Harvester for Battery-Less Remote Control: A Review

Yunus¹,

Sampe²,

Yunas³

et al. 2017

American Journal of Applied Sciences

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The paper deals with the growing interest of energy harvesting systems due to great development in many new emerging technologies in electronics and telecommunication. The research focuses particularly about rectenna element comprises of antenna, impedance matching and rectifier. The rectenna is applied under Micro-Electromechanical-System (MEMS) technology design use in Radio Frequency (RF) energy harvester. MEMS is a technology of miniaturization that has been mostly adopted from integrated circuit industry together on a chip that are made using micro fabrication technique and applied for not only electrical systems. RF ambient source is considered over other ambient sources because RF can be broadcasted by various wireless systems in unlicensed frequency bands. However, the amount of energy captured from the ambient RF is extremely low which need improvements and more Direct Current (DC) voltage generated from RF energy harvester. For this motivation, a dual band MEMS rectenna is proposed for maximizing the efficiency. Power Management Unit (PMU) is interposed between MEMS rectenna and a load. The system is equipped with temporary energy storage and voltage regulator to produce optimum output voltage. The paper proposes a system that is designed and simulated using PSpice software and modeled in Mentor Graphic. The stated result from RF MEMS energy harvester is to provide functional conversion efficiency and reliable energy harvesting system to reach 1.5-3.0 V output voltage for operating frequency at 1.9 and 2.45 GHz from RF input power at -20 dBm with reveal approximately 100% improvement over other existing designs. The conceptual design can be the platform for innovative developments in recent technologies to achieve wireless transmission powered only by RF MEMS energy harvester.

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Section: Related Researchmentioning

confidence: 99%

MEMS Based RF Energy Harvester for Battery-Less Remote Control: A Review

Yunus¹,

Sampe²,

Yunas³

et al. 2017

American Journal of Applied Sciences

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“…The low power requirement of wearable devices makes it easy to be activated by energy harvesting methods; however, the harvested energy may not be available all the time, so normally, super capacitors or batteries are being used as a standby power source. Even hybrid energy harvesters (HEHs) are considered to be the real harvesting approach, which are generating more power than the stand‐alone harvesters, and moreover, in case of non‐availability of one energy source, the other can be utilized, allowing the integrated wearable device to be battery‐free and self‐sustaining 9 …”

Section: Introductionmentioning

confidence: 99%

A survey of wearable energy harvesting systems

Khan

2021

Intl J of Energy Research

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Summary Recently, we have witnessed a remarkable proliferation of wearables in various smart applications. These applications include smart healthcare, smart military, smart infotainment, and smart industries, to name a few. However, wearables suffer from significant energy limitations. To cope with this challenging issue, energy harvesting can be a viable solution. In this paper, various ambient sources like heat, vibration, radio waves, and solar energy are compared and critically analyzed based on size, voltage, frequency, power density, and power. Critical analysis of vibrational, solar, heat, radiofrequency, and hybrid show convincing output results, but a hybrid solar wearable energy harvester (SWEH) and thermoelectric wearable energy harvester (TWEH) give a maximum output power of 501 mW. However, piezoelectric clothes fabrication is growing and coming out to be a good competitor because of flexibility and comfort. Work has been done on the hybridization of wearable clothes to generate maximum power and is good enough for wearable applications. On the other side, solar individually is enough to power wearable devices but for a specific time. In the radiofrequency still, research is required because of very low power generation or a flexible array can be integrated into a dress or certain other technique maybe adapted for flexible yet more power generation capability. Overall sizes of the reported wearable energy harvesters are in the millimeter to centimeter scale, with resonant frequencies in the range of 1 to 1400 Hz, while rectenna wearable energy harvester (RWEH) exceeds the limit and is reported in the range of 1.8 to 3.2 GHz. A maximum energy conversion for a piezoelectric wearable energy harvester can potentially reach up to 29.7 μW/cm3 and 14.28 μW/cm2. The power produced by the reported hybrid energy harvesters (HEHs) is in the range of 0.00012 to 501 mW. Due to the combined solar‐thermoelectric energy conversion in HEHs, these systems are capable of producing the highest power densities.

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“…Several ambient energy sources for energy harvesting methods, such as temperature, light, radio frequency (RF) electromagnetic field, vibration, motion, electric and magnetic field, and so on, have been studied in the literature [ 7 , 8 , 9 ]. Based on the ambient energy sources, RF energy harvesting is preferred compared to other potential energy harvesting methods.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Micromachined Antenna Substrates Operating at 5 GHz for RF Energy Harvesting Applications

et al. 2019

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This paper investigates micromachined antenna performance operating at 5 GHz for radio frequency (RF) energy harvesting applications by comparing different substrate materials and fabrication modes. The research aims to discover appropriate antenna designs that can be integrated with the rectifier circuit and fabricated in a CMOS (Complementary Metal-Oxide Semiconductor)-compatible process approach. Therefore, the investigation involves the comparison of three different micromachined antenna substrate materials, including micromachined Si surface, micromachined Si bulk with air gaps, and micromachined glass-surface antenna, as well as conventional RT/Duroid-5880 (Rogers Corp., Chandler, AZ, USA)-based antenna as the reference. The characteristics of the antennas have been analysed using CST-MWS (CST MICROWAVE STUDIO®—High Frequency EM Simulation Tool). The results show that the Si-surface micromachined antenna does not meet the parameter requirement for RF antenna specification. However, by creating an air gap on the Si substrate using a micro-electromechanical system (MEMS) process, the antenna performance could be improved. On the other hand, the glass-based antenna presents a good S11 parameter, wide bandwidth, VSWR (Voltage Standing Wave Ratio) ≤ 2, omnidirectional radiation pattern and acceptable maximum gain of >5 dB. The measurement results on the fabricated glass-based antenna show good agreement with the simulation results. The study on the alternative antenna substrates and structures is especially useful for the development of integrated patch antennas for RF energy harvesting systems.

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Architecture of Low Power Energy Harvester Using Hybrid Input of Solar and Thermal for Laptop or Notebook: A Review

Cited by 5 publications

References 37 publications

MEMS Based RF Energy Harvester for Battery-Less Remote Control: A Review

MEMS Based RF Energy Harvester for Battery-Less Remote Control: A Review

A survey of wearable energy harvesting systems

Investigation of Micromachined Antenna Substrates Operating at 5 GHz for RF Energy Harvesting Applications

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