Energy harvesting technologies convert ambient energy into usable electrical power, enabling self-sustaining systems without external power sources. Piezoelectric and triboelectric nanogenerators capture mechanical vibrations and frictional forces, while thermoelectric generators exploit temperature gradients for continuous power supply. Photovoltaic and electromagnetic methods harvest solar and radio frequency energy respectively, expanding application domains. Integration with wireless sensor networks and إنترنت الأشياء devices demands efficient power management circuits and energy storage solutions. Advances in nano materials and microelectromechanical systems enhance conversion efficiency and miniaturization. Energy harvesting from human motion and environmental sources supports wearable and remote sensing applications.
This is our latest selection of worldwide publications and patents in english on Energy Harvesting, between many scientific online journals, classified and focused on piezoelectric energy, triboelectric nanogenerator, thermoelectric generator, photovoltaic energy harvesting, electromagnetic energy harvesting, vibration energy, harvesting circuit, energy storage system, nano energy harvesting, microelectromechanical system, energy scavenging, ambient energy, harvesting transducer, harvesting sensor nodes, harvesting wireless communication, harvesting IoT devices, harvesting wearable devices, harvesting from human motion, energy harvesting from RF signals, harvesting from mechanical stress, energy harvesting from temperature gradients, energy harvest, harvesting system modeling and harvesting optimization.
Electrical oscillator self-calibration using mechanical oscillator
Patent published on the 2026-10-15 in US under Ref US20260318708 by STMICROELECTRONICS INT N V [CH] (Quartiroli Matteo [it])
Abstract: A method for calibration of a microelectromechanical system (MEMS) device includes generating a first periodic signal with a mechanical frequency, generating a second periodic signal with an electrical frequency, generating a ratio signal indicating a relationship between the mechanical frequency and the electrical frequency, and generating an electrical oscillator calibration signal based on the ratio signal and a predetermined mechanical oscillator calibration signal. The MEMS device may inclu[...]
Our summary: The method involves generating periodic signals from mechanical and electrical oscillators. A ratio signal indicates the relationship between the two frequencies. An electrical calibration signal is produced for the MEMS device to enhance system clock accuracy.
self-calibration, electrical oscillator, mechanical oscillator, MEMS
Patent
Powerline unmanned surfer
Patent published on the 2026-10-15 in WO under Ref WO2026217081 by THE BOARD OF REGENTS OF OKLAHOMA AGRICULTURAL AND MECH COLLEGES [US] (Faruque Imraan A [us], Patel Ujjval [us])
Abstract: A system and method for achieving powerline energy harvesting power are disclosed herein. The method comprises sensing a position and trajectory of a plurality of points of a powerline relative to a position and a trajectory of a UAV having an aerodynamic surface; estimating a local spatial wavelength (alternatively or additionally, spatial frequency) of the powerline having a catenary curve using a point cloud indicative of the plurality of points of the powerline; and modulating at least one a[...]
Our summary: The system enables powerline energy harvesting using an unmanned aerial vehicle (UAV). It senses the powerline s position and trajectory to estimate local spatial wavelengths. The UAV s aerodynamic surface is modulated to maintain parallel flight with the powerline.
Powerline energy harvesting, UAV trajectory estimation, aerodynamic surface modulation, catenary curve analysis
Patent
Energy storage module and energy storage system including the same
Patent published on the 2026-10-15 in US under Ref US20260321748 by SAMSUNG SDI CO LTD [KR] (Kim Jae Seung [kr], Kim Tae Jin [kr])
Abstract: Provided are an energy storage module and an energy storage system including the same. The energy storage module according to embodiments includes a plurality of batteries, a plurality of bus bars that electrically connect the plurality of batteries, and a wiring circuit member that transmits status information of each of the plurality of batteries to a battery management system (BMS) through a plurality of wiring lines connected to each of the plurality of bus bars, wherein the wiring circuit m[...]
Our summary: The energy storage module comprises multiple batteries and bus bars for electrical connection. It includes a wiring circuit that transmits battery status to a battery management system. The circuit features stacked upper and lower wiring sub-circuits.
energy storage, batteries, battery management system, wiring circuit
Patent
Power fault detection in electrical energy storage systems based on reference fleet data
Patent published on the 2026-10-14 in EP under Ref EP4821739 by VOLVO TRUCK CORP [SE] (Lillmaa Henri [se], Ray Dripta [se])
Abstract: [0001] A computer system comprising processing circuitry configured to: acquire an electrical parameter value (Ep) of an electrical energy storage pack (104a) of a first unit in a unit fleet, retrieve reference data generated from logged electrical parameter values of electrical energy storage packs in the fleet of units, the retrieved reference data being determined from logged electrical parameter values associated with units having at least one driving or usage attribute (112, 111) in common [...]
Our summary: The system acquires an electrical parameter value from a storage pack. It retrieves reference data from logged values of similar units. The system compares the acquired value to the reference data to indicate power path faults.
fault detection, electrical energy storage, reference data, parameter comparison
Patent
Fire detector and energy storage system including the same
Patent published on the 2026-10-14 in EP under Ref EP4822667 by SAMSUNG SDI CO LTD [KR] (Seo Jeawon [kr], Jeon Sangjin [kr])
Abstract: [0001] A fire detector (100, 200) includes: a detection device, 210); a cover member (120, 230) surrounding the detection device (110, 210); and a conductor wire positioned such that one side thereof contacts at least one area of the cover member (120, 230), wherein the cover member (120, 230) comprises a mesh, and another side of the conductor wire is grounded.[...]
Our summary: The fire detector includes a detection device and a cover member. The cover member surrounds the detection device and comprises a mesh. A conductor wire contacts the cover member and is grounded.
fire detector, energy storage system, detection device, conductor wire
Patent
Interactive display of deep product information in smart retail
Patent published on the 2026-10-01 in WO under Ref WO2026207120 by QUALCOMM INC [US] (Reddy Varun Amar [us], Angjelichinoski Marko [us], Akkarakaran Sony [us], Manolakos Alexandros [us])
Abstract: In some aspects, a method of communication performed by a management entity includes determining positions of one or more items on a shelf within an indoor environment; receiving product information about the one or more items based on beacon signals transmitted by one or more energy harvesting tags (eTags) associated with the one or more items; and transmitting, to a display screen associated with the shelf, information to enable the display screen to display one or more visual indications prov[...]
Our summary: The method involves determining item positions on a shelf using beacon signals. It receives product information from energy harvesting tags associated with the items. The system transmits this information to a display screen to show visual indications about the items.
Interactive display, smart retail, product information, energy harvesting
Patent
Efficient indoor and outdoor organic photovoltaics enabled by a pyrimido[5,4-<i>d</i>]pyrimidine-based ?-conjugated polymer
Published on 2026-05-22 by Jiahui Duan, Asumi Sueyasu, Takuma Yasuda @NATURE
Abstract: Polymer Journal, Published online: 22 May 2026; doi:10.1038/s41428-026-01199-wDual-mode organic photovoltaics (OPVs) enabling efficient operation under both outdoor and indoor conditions have been developed using a pyrimido[5,4-d]pyrimidine-based π-conjugated polymer, P(PyPy-BDT). Under standard solar illumination, P(PyPy-BDT):IT-4F devices achieve a power conversion efficiency (PCE) of 9.3%. In contrast, under indoor white LED lighting (1000 lx), P(PyPy-BDT):IO-4F devices deliver a high PCE [...]
Our summary: A new dual-mode organic photovoltaic system has been developed using a pyrimido[5,4-d]pyrimidine-based π-conjugated polymer. The system achieves a power conversion efficiency of 9.3% under standard solar illumination and 20.0% under indoor LED lighting. These results highlight the potential for illumination-adaptive organic photovoltaics in efficient energy harvesting.
organic photovoltaics, π-conjugated polymer, power conversion efficiency, illumination-adaptive
Publication
mechanisms, performance, and perspectives
Published on 2026-05-18 by @OXFORD
Abstract: AbstractMultifunctional concrete, as a promising material platform for intelligent transportation infrastructure, expands the use of traditional concrete beyond passive load-bearing applications. By integrating multiple functions, cement-based materials can enhance the mechanical strength, durability, monitoring capabilities, and sustainability of transportation systems. This paper provides a comprehensive overview of multifunctional concrete technologies related to transportation infrastructure[...]
Our summary: Multifunctional concrete enhances the mechanical strength and sustainability of transportation infrastructure. It integrates functions like self-sensing and energy harvesting to improve performance. Challenges include durability, construction complexity, and economic factors affecting large-scale application.
multifunctional concrete, intelligent transportation, self-sensing, energy harvesting
Publication
