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最新の出版物:エネルギーハーベスティングに関する特許

エネルギーハーベスティング

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Energy harvesting technologies
エネルギーハーベスティング テクノロジー 周囲のエネルギーを電気エネルギーに変換することで、様々な用途に対応できる自立型システムを実現する。

エネルギーハーベスティング技術は、周囲のエネルギーを使用可能な電力に変換し、外部電源なしで自立したシステムを実現します。圧電ナノ発電機と摩擦電気ナノ発電機は機械的振動と摩擦力を捕捉し、熱電発電機は温度勾配を利用して連続的な電力供給を行います。太陽光発電と電磁気的手法はそれぞれ太陽エネルギーと無線周波数エネルギーを収集し、応用分野を拡大します。無線センサーネットワークとの統合と IoT デバイスには、効率的な電力管理回路とエネルギー貯蔵ソリューションが求められます。ナノ材料とマイクロ電気機械システムの進歩は、変換効率と小型化を向上させます。人間の動きや環境源からのエネルギーハーベスティングは、 ウェアラブル そしてリモートセンシングへの応用。

これは、エネルギーハーベスティングに関する英語の世界中の出版物と特許の最新のセレクションです。多数の科学オンラインジャーナルの中から、圧電エネルギー、摩擦電気ナノ発電機、熱電発電機、太陽光発電エネルギーハーベスティング、電磁エネルギーハーベスティング、振動エネルギー、ハーベスティング回路、エネルギー貯蔵システム、ナノエネルギーハーベスティング、マイクロ電気機械システム、エネルギースカベンジング、環境エネルギー、ハーベスティングトランスデューサ、ハーベスティングセンサーノード、ハーベスティングワイヤレス通信、ハーベスティングIoTデバイス、ハーベスティングウェアラブルデバイス、人間の動きからのハーベスティング、RF信号からのエネルギーハーベスティング、機械的ストレスからのハーベスティング、温度勾配からのエネルギーハーベスティング、エネルギーハーベスティング、ハーベスティングシステムモデリング、ハーベスティング最適化に分類され、焦点を絞っています。

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

Marine energy storage system, and charging method and discharging method for marine energy storage system

Patent published on the 2026-05-21 in WO under Ref WO2026102891 by EVE ENERGY STORAGE CO LTD [CN] (Liu Huiguang [cn], Wang Xuxing [cn], Feng Chaojun [cn], Gong Muhong [cn], Gui Ke [cn])

Abstract: A marine energy storage system, and a charging method and a discharging method for a marine energy storage system. The marine energy storage system comprises a power supply branch and a first high-voltage box. The power supply branch comprises an energy storage apparatus and a second high-voltage box. A first interface, a second interface, a third interface, and a fourth interface of the second high-voltage box are respectively electrically connected to a battery positive electrode and a battery[...]


Our summary: The marine energy storage system includes a power supply branch and high-voltage boxes. It features interfaces connecting to a battery and a switch circuit. This system integrates with a marine power distribution system for efficient energy management.

marine energy storage, charging method, discharging method, power distribution system

Patent

Energy storage control method and energy storage system

Patent published on the 2026-05-21 in US under Ref US20260140186 by CSI ENERGY STORAGE CO LTD [CN] (Huang Guijiang [cn], Guan Shuai [cn], Cha Ziyao [cn], Yao Meiqi [cn], Gao Lijun [cn])

Abstract: [0000] An energy storage control method and an energy storage system. The method includes: determining that an energy storage system is powered on, and obtaining an online number of energy storage cabinets in the system, a target total active power of the system, an SOH value of each cabinet, and an SOC value of each cabinet; obtaining an average SOH value based on the number and the SOH value, obtaining a first difference value between the SOH value and the average SOH value, obtaining an avera[...]


Our summary: The method monitors the status of energy storage cabinets. It calculates target power values based on SOH and SOC metrics. The system optimizes performance using preset thresholds and distribution coefficients.

Energy storage, control method, SOC, SOH

Patent

Single pole circuit breaker with contactless switching detection

Patent published on the 2026-05-20 in GB under Ref GB2701922 by EATON INTELLIGENT POWER LTD [IE] (Yogesh Suresh Rajwade [in], Vishakha Vilas Harlapur [in])

Abstract: A single-pole circuit breaker (100, figure 1) configured to conduct a current when the circuit breaker is closed; it comprises a rotatable engagement knob 210 with a coil winding (111, figure 2a) arranged around a part of it and at least one permanent magnet adjacent to it. It also comprises a control unit 106 configured to detect switching events of the single-pole circuit breaker by measuring a voltage and recording data. The circuit-breaker may also comprise a conductor (118, figure 1), senso[...]


Our summary: A single-pole circuit breaker features contactless switching detection through a control unit that measures voltage and records data. It includes a rotatable engagement knob, a coil winding, and a permanent magnet. The system can classify various switching events and communicate data wirelessly for monitoring and maintenance purposes.

circuit breaker, contactless switching, control unit, energy harvesting

Patent

Switch device and energy storage system

Patent published on the 2026-05-20 in EP under Ref EP4746011 by MUNICH ELECTRIFICATION GMBH [DE] (Menz Fabian [de], Larranaga Javier [de])

Abstract: The present invention relates to a switch device, which is capable of providing stable open or closed states, and to an energy storage system comprising the switch device. The switch device (100, 200, 300) comprises a contact arrangement, which includes at least a first fixed contact (110 , 210 , 310 ) and a first deflectable bus (108 , 208 , 308 ). A first deflectable contact region of the first deflectable bus (108 , 208 , 308 ) is configured to deflect elastically between an interruption posi[...]


Our summary: The invention describes a switch device that maintains stable open or closed states. It includes a contact arrangement with a deflectable bus that can switch between isolation and conductivity. An electric motor drives the mechanism to change the state of the contact arrangement.

switch device, energy storage, contact arrangement, electric motor

Patent

Method of dicing a semiconductor wafer

Patent published on the 2026-05-20 in EP under Ref EP4746035 by MICROSOFT TECHNOLOGY LICENSING LLC [US] (Viazmitinov Dmitrii [us])

Abstract: [0001] A method of dicing a semiconductor wafer comprises steps of a) positioning a stencil mask over the semiconductor wafer, with the stencil mask being spaced from the semiconductor wafer by a gap such that the stencil mask does not touch a component arranged on the semiconductor wafer, the stencil mask having an aperture; and b) subsequently etching through the semiconductor wafer by performing a reactive ion etch, wherein the stencil mask controls the etch. The method may allow a wafer to b[...]


Our summary: The method involves positioning a stencil mask over a semiconductor wafer and etching through the wafer using reactive ion etch. The stencil mask controls the etching process without contacting the wafer components. This technique eliminates the need for die attach tape and cleaning steps, beneficial for microelectromechanical systems.

dicing, semiconductor, stencil mask, reactive ion etch

Patent

Power supporting system with energy storage system

Patent published on the 2026-05-20 in EP under Ref EP4746229 by HITACHI ENERGY LTD [CH] (Bai Haofeng [se], Wang Feng [se], Zhang Hongyang [se], Abraham Lingan Aravind Raj [in], Fan Jianzhong [se], IngestrÖm Gunnar [se], WikstrÖm Kent [se])

Abstract: [0001] The present disclosure relates to a method of controlling a power supporting system for a power transmission or distribution system, said power supporting system being controllable to: a first power supporting mode (S8) in which said power supporting system is capable of providing active power support and reactive power support, said active power support being provided by means of an energy storage system, ESS, having been charged to an energized state, and said reactive power support bei[...]


Our summary: The document describes a method for controlling a power supporting system that provides both active and reactive power support. It outlines two operational modes: one where the energy storage system is charged and another where it is de-energized. The method includes mechanisms for managing switching behavior during transitions between these modes.

energy storage system, power transmission, voltage source converter, reactive power support

Patent

Enhancing power density of piezoelectric energy harvesters through fabric-based design for low frequency wind-induced vibrations

Published on 2026-03-16 by @OXFORD

Abstract: AbstractThis paper proposes a low-frequency, fabric-based wind energy harvester (FWEH) consisting of a flag-shaped polyester fabric affixed to an aluminum cantilever beam. The experimental research analyzes the effects of various design parameters, such as external load resistance, wind speed, and geometric properties of energy harvester, on maximum voltage, vibration frequency, and power density. Under optimal conditions, the FWEH generated an average power of 4.01 mW/cm$^{3}$ at a wind speed o[...]


Our summary: This study introduces a fabric-based wind energy harvester designed for low-frequency vibrations. Experimental results show that optimal conditions yield a significant power density increase of over 300%. The harvester achieved an average output of 4.01 mW/cm³ at specific wind speeds and load resistance.

piezoelectric, energy harvesting, wind energy, power density

Publication

取り上げるトピック: エネルギーハーベスティング、自己持続システム、環境エネルギー、電力、圧電ナノ発電機、摩擦電気ナノ発電機、熱電発電機、温度勾配、光起電力方式、電磁方式、無線センサーネットワーク、IoTデバイス、電力管理回路、エネルギー貯蔵ソリューション、ナノ材料、マイクロ電気機械システム、ウェアラブルアプリケーション、リモートセンシングアプリケーション、ISO 50001、IEC 62040、IEEE 1722、ISO 26262、およびIEC 61131。

用語集

Internet of Things (IoT): センサー、ソフトウェア、その他の技術が組み込まれた相互接続されたデバイスのネットワークであり、インターネットを介してデータを収集および交換することを可能にし、さまざまなプロセスやシステムの自動化、監視、および制御を容易にする。

歴史的背景

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1882-01-01
1886-04-23
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(日付が不明または関連性がない場合、例えば「流体力学」などでは、その注目すべき出現時期の概算値が提示されます。)

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