تخزن مواد تغيير الطور (PCM) الطاقة الحرارية وتطلقها من خلال تحولات الحالة الصلبة إلى السائلة عند درجة حرارة شبه ثابتة، مستغلةً الحرارة الكامنة تفوق قدرات تخزين الحرارة المحسوسة بأضعاف مضاعفة. وتشمل الأبحاث فئات المواد المختلفة - البارافينات، وهيدرات الأملاح، والأحماض الدهنية، يوتكتيكي الخلائط - إلى جانب التحديات الحاسمة في تحسين التوصيل الحراري، وتخفيف التبريد الفائق، واستقرار الدورة على المدى الطويل، والاحتواء من خلال التغليف الدقيق أو الكلي.
يتناول التكامل على مستوى النظام هندسة المبادلات الحرارية، ومواد تغيير الطور، ومصفوفات النانو المركبة. وتتراوح التطبيقات من تنظيم الحرارة في المباني وسلسلة التبريد اللوجستية إلى تخزين الطاقة على نطاق الشبكة والتحكم الحراري في المركبات الفضائية.
تجمع هذه الصفحة أحدث المنشورات التي تمت مراجعتها من قبل النظراء وبراءات الاختراع الممنوحة، مما يعكس النطاق التقني الكامل لأبحاث PCM كما هي عليه اليوم.
هذه أحدث مجموعة مختارة لدينا من المنشورات وبراءات الاختراع العالمية باللغة الإنجليزية حول مواد تغيير الطور (PCM)، من بين العديد من المجلات العلمية على الإنترنت، مصنفة ومركزة على تخزين الحرارة الكامنة، وتخزين الطاقة الحرارية، والمحتوى الحراري، ونقطة الانصهار، والتصلب، والتنوي، والتبريد الفائق، وتعزيز التوصيل الحراري، والتغليف، والتغليف الدقيق، والتغليف الكلي، وشمع البارافين، والأحماض الدهنية، وهيدرات الأملاح، والخليط اليوتكتيكي، وحرارة الانصهار، واستقرار الدورة الحرارية، ودرجة حرارة انتقال الطور، ومشكلة ستيفان، والمنطقة شبه الصلبة، والتمدد الحجمي، وملاط PCM، وPCM المحسن نانوياً، ومصفوفة رغوة الجرافين، وتشريب رغوة المعادن، والمبادل الحراري ذو الزعانف، والخصائص الفيزيائية الحرارية، وقياس السعرات الحرارية DSC، وكثافة الطاقة الحرارية، وPCM المستقر الشكل، ومواد تغيير الطور.
Mealworm compositions having elevated omega-3 fatty acids and methods of use
Patent published on the 2026-06-11 in WO under Ref WO2026122719 by BLUE WATER FARMS FEED LLC [US] (Johnson Duane [us], Bischoff Clarence [us])
Abstract: A composition that includes a source of omega- 3 fatty acids and at least one additional component providing protein, carbohydrate, vitamins, minerals, or moisture to the composition. The composition can be fed to mealworms to increase the omega-3 fatty acid level in the mealworms that consume the composition. The mealworms may be processed into flour, which can then be a component of a food product that has elevated omega- 3 fatty acid content.[...]
Our summary: This content discusses a composition for mealworms that enhances omega-3 fatty acid levels. It includes additional nutrients like protein and vitamins. Processed mealworms can be used to create food products rich in omega-3 fatty acids.
omega-3 fatty acids, mealworm composition, nutritional enhancement, food processing
Patent
Simultaneous filament and reinforcement wire extrusion for enhanced 3d printing
Patent published on the 2026-06-11 in US under Ref US20260158746 by INT BUSINESS MACHINES CORPORATION [US] (Keen Martin G [us], Rakshit Sarbajit Kumar [in], Fox Jeremy R [us], Garcia Delgado Carolina [mx])
Abstract: According to one embodiment, a method, computer system, and computer program product for simultaneous filament and reinforcement wire extrusion for 3D printing is provided. The present invention may include concurrently dispensing a semi-molten primary material and a secondary reinforcement material having a higher melting point than the primary material onto a structure; operating a controlled energy source to sever the secondary reinforcement material during operational scenarios; utilizing co[...]
Our summary: The invention describes a method for simultaneous extrusion of filament and reinforcement wire in 3D printing. It involves dispensing a primary semi-molten material alongside a secondary reinforcement material. The process utilizes computational methods to assess flow characteristics and regulate the deposition actions based on the properties of the reinforcement material.
3D printing, filament extrusion, reinforcement wire, computational methodologies
Patent
A method for manufacturing a semiconductor device, a semiconductor device, a lead frame structure and a moulding form
Patent published on the 2026-06-11 in WO under Ref WO2026120183 by NEXPERIA B V [NL] (Yuan Zhihui [de], Liu Xu [nl], Gong Wei [gb], Minotti Agatino [it])
Abstract: According to the first aspect, a method for manufacturing a semiconductor device is provided. The method provides a lead frame structure comprising an outer frame, an at least one lead frame die pad, an at least one lead frame terminal, and a plurality of lead frame junctions; b) mounting an at least one semiconductor die on the at least one lead frame die pad; c) mounting an at least one connecting element for creating electrical connection between the at least one semiconductor die and the at [...]
Our summary: The method involves manufacturing a semiconductor device using a lead frame structure. It includes mounting a semiconductor die and connecting elements, followed by encapsulation in a molding form. The process also incorporates interrupting lead frame junctions during encapsulation for improved electrical connections.
semiconductor manufacturing, lead frame structure, encapsulation, electrical connection
Patent
Microwave scorching preventing agent, coating sauce, and microwave scorching preventing method
Patent published on the 2026-06-11 in WO under Ref WO2026121221 by THE NISSHIN OILLIO GROUP LTD [JP] (Kaneda Shohei [jp], Tanaka Taeko [jp], Okada Takahiro [jp])
Abstract: Provided is a microwave scorching preventing agent which is for preventing microwave scorching of a food product caused through application of heat by a microwave oven, which comprises 80-97 mass% of a fat or oil and 2 mass% or more of a diglycerin fatty acid ester, and in which 10-100 mass% of constituent fatty acids of triglycerides in the fat or oil is a medium chain fatty acid having 6-10 carbon atoms. Also provided is a coating sauce for a food product, the sauce comprising 0.5-10 mass% of [...]
Our summary: The invention includes a microwave scorching preventing agent that contains a high percentage of fat or oil and diglycerin fatty acid ester. A coating sauce is also described, which utilizes this agent for food products. Additionally, a method for preventing scorching in microwaved food using the coating sauce is provided.
microwave scorching prevention, diglycerin fatty acid ester, medium chain fatty acids, food coating sauce
Patent
Secondary battery and electronic device
Patent published on the 2026-06-11 in WO under Ref WO2026117929 by DONGGUAN AMPEREX TECH LIMITED [CN] (Li Huimian [cn], Hu Xi [cn])
Abstract: The present application discloses a secondary battery and an electronic device. In the thickness direction of a second bare foil section, a first bare foil section is located on the side of the second bare foil section facing away from a winding center; the first bare foil section is a portion of an electrode sheet adjacent to the second bare foil section; a first tab is connected to the first bare foil section; and a second tab is connected to the second bare foil section. The first tab and the[...]
Our summary: The application describes a secondary battery and an electronic device with specific electrode sheet configurations. It details the arrangement of bare foil sections and tabs for improved insulation. A high melting point insulating layer is included to prevent short circuits and maintain performance at elevated temperatures.
Secondary battery, electronic device, insulating layer, electrode sheet
Patent
Display panel, manufacturing method for display panel, and electronic device
Patent published on the 2026-06-11 in US under Ref US20260164999 by HEFEI VISIONOX TECH CO LTD [CN] (Zhou Zhiwei [cn], Fu Zhen [cn], Ni Liusong [cn], Fu Yuting [cn], Yang Bowen [cn])
Abstract: [0000] Disclosed are a display panel, a manufacturing method therefor, and a display device. The display panel includes a substrate, a drive circuit layer, a first organic layer, an isolation structure, and a plurality of light-emitting devices, as well as a structural function layer, a first encapsulation layer, and a second encapsulation layer sequentially stacked. The drive circuit layer is disposed on the substrate, and the first organic layer is disposed on the side, facing away from the dr[...]
Our summary: The document discloses a display panel with multiple layers, including a drive circuit and organic layers. It describes a manufacturing method that incorporates a structural function layer to protect against moisture. The design aims to enhance the durability of the electronic device by preventing corrosion of the drive circuit.
display panel, manufacturing method, electronic device, light-emitting devices
Patent
Performance analysis of a coal mine air supply system based on a multienergy complementary energy supply system
Published on 2026-06-03 by @OXFORD
Abstract: AbstractMine ventilation air heating in severely cold regions is commonly supplied by coal-fired boilers, leading to high energy use and environmental impacts. This study proposes a multienergy complementary energy supply system integrating air-source heat pumps (ASHPs), a cascade water-source heat pump, and thermal energy storage to ensure reliable shaft anti-freezing (3°C) and flexible operation under time-of-use electricity pricing. A dynamic TRNSYS model was developed for a coal mine in Wuh[...]
Our summary: This study presents a multienergy complementary energy supply system for mine ventilation heating in cold regions. A dynamic TRNSYS model was validated, showing a 7.57% error margin. The proposed system enhances performance in extreme cold, reducing costs and emissions significantly.
multienergy system, air-source heat pumps, thermal energy storage, coal mine ventilation
Publication
The Effect of Post-Heat Treatments on Microstructure and Mechanical Properties of a L-PBF CoCrNi–AlTi Medium-Entropy Alloy
Published on 2026-02-03 by Xiaojing Xiong, Xiaodong Nong, Libin Yu, Xianzhao Meng, Chunjia Mo, Yunjie Bi, Hui Ding @MDPI
Abstract: A CoCrNi-AlTi medium-entropy alloy was fabricated via laser powder bed fusion (L-PBF), and its microstructural evolution and mechanical response during aging at 500–900 °C for 1 h were systematically investigated. The as-built alloy exhibits a hierarchical microstructure consisting of elongated columnar grains and dislocation-rich cellular substructures, which is associated with an excellent strength–ductility combination (YS: 848 MPa, UTS: 1136 MPa, EF: 3[...]
Our summary: The study investigates the effects of post-heat treatments on the microstructure and mechanical properties of a CoCrNi-AlTi medium-entropy alloy fabricated via laser powder bed fusion. Aging at temperatures between 500-900 °C enhances hardness and tensile strength, with peak performance noted at 800 °C. The research highlights the role of L-PBF-induced defect structures in influencing precipitation behavior and the strength-ductility trade-off during heat treatment.
L-PBF, CoCrNi-AlTi, microstructure, mechanical properties
Publication
