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Article
Thermodynamics
Jiajun Zhang et al.
Summary: This study proposes a novel optimization method for efficient design of parallel air-cooled battery thermal management systems. The method introduces simplified calculation models and sets the same average temperature of battery cells to obtain optimized structural parameters. Experimental results show that the optimized systems exhibit better heat dissipating performance and a decrease of over 72% in temperature difference.
APPLIED THERMAL ENGINEERING
(2023)
Article
Engineering, Multidisciplinary
Yanlong Sui et al.
Summary: A novel bioderived flame retardant PHDT@FeCo-LDH was successfully synthesized and applied in epoxy resin with significant effects, reducing peak heat release rate, total heat release, and total smoke release. The mechanical properties of the composites were also improved, showing a promising potential for industrial applications.
COMPOSITES PART B-ENGINEERING
(2022)
Review
Thermodynamics
Xinghui Zhang et al.
Summary: Electric vehicles powered by lithium-ion batteries have great potential in alleviating energy and environmental issues, but temperature management is crucial for their development and propagation. Both high and low temperature environments can negatively impact battery performance and safety, requiring proper handling.
Article
Thermodynamics
Shengnan Yan et al.
Summary: This study investigated the effect of a controllable magnetic field on paraffin's photothermal and heat storage properties. The results showed that adjusting the composite film with magnetic force enhanced the photothermal capacity and heat storage characteristics of the material. By regulating the magnetic field, the photothermal conversion effect was dynamically enhanced, leading to a 29% increase in thermal energy storage efficiency and 50% increase in phase interface movement speed.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Green & Sustainable Science & Technology
Qiqiu Huang et al.
Summary: The experimental results indicate that the flame retardant flexible composite phase change material with 15 wt% flame retardant achieves optimal flame retardant effect with a limiting oxygen index value of 35.9%. The battery thermal management using this material can effectively prevent heat accumulation in the battery module over long cycles.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Green & Sustainable Science & Technology
Xiangwei Lin et al.
Summary: This study proposes a synergistic method to fabricate phase change composites with excellent performance. The composites have good shape stability, flexibility, and high thermal conductivity, making them suitable for battery thermal management and other applications.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Green & Sustainable Science & Technology
Abubakar Gambo Mohammed et al.
Summary: The paper reviews the research progress in battery thermal management for commercial EVs, focusing on phase change material (PCM) based hybrid thermal management. It also presents a developed passive thermal management for prismatic Li-ion battery module under abuse operation conditions. The hybrid thermal management combining PCM with air/liquid/heat pipes shows superior thermal performance, and further improvements in battery thermal management systems are needed to regulate thermal impact and power consumption.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Energy & Fuels
Zhengyuan Gao et al.
Summary: A novel battery thermal management system coupling composite phase change material and water cooling with double s-shaped micro-channels was proposed in this study to improve the heat dissipation of lithium-ion batteries. The results showed that this system had better thermal performance compared to passive systems and no heat dissipation structure, and it could effectively control the temperature of the battery module.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Energy & Fuels
Qiqiu Huang et al.
Summary: This study proposes a novel thermally induced flexible composite phase change material that is anti-leakage and anti-vibration. The material has a high mass retention rate and temperature control ability, making it suitable for passive thermal management and energy storage fields.
Article
Engineering, Chemical
Ming Liu et al.
Summary: The effective thermal conductivities (ETCs) of commonly used metal powders in additive manufacturing were measured at temperatures up to 750 degrees C. The study found that at temperatures below 300 degrees C, the ETC of metal powders is not affected by temperature or material. However, at temperatures exceeding 400 degrees C, the ETC increases significantly and varies depending on the material. Particle size also affects the ETC.
Article
Engineering, Environmental
Xinyi Dai et al.
Summary: Thermal safety is crucial for the storage and utilization of lithium-ion batteries. Phase change material (PCM) can effectively regulate temperature as a cooling medium, but its flammability raises concerns under extreme conditions. Experimental results demonstrate that paraffin PCM (PPCM) delays thermal runaway and reduces battery temperature, while composite PCM (CPCM) has limited effect. However, the flammable nature of PPCM increases the risk of fire. By incorporating a flame-retarded PPCM mixed with hydroxide flame retardants, the adverse effects can be mitigated, providing guidance for process safety and fire protection in battery thermal management.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2022)
Article
Energy & Fuels
Yu Fang et al.
Summary: Encapsulated phase-change materials (PCMs) have been widely studied in solar thermal energy storage. This study successfully synthesized a series of potatoes phase-change materials (PPMs) through vacuum impregnation method and introduced MXene nanosheets. The results showed improved photo-to-thermal conversion efficiency and PEG adsorption rate in the PPMs.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2022)
Article
Energy & Fuels
Junyi Niu et al.
Summary: In this study, a low thermal conductive phase change composite material (CPCM) with flame retardant coating (FR-CPCM) is proposed to prevent the propagation of thermal runaway (TR) in lithium-ion batteries (LIBs). The FR-CPCM shows excellent fire resistance and insulation performance. The experimental results demonstrate that the addition of FR-CPCM effectively prevents the propagation of battery TR and maintains the temperature of adjacent batteries within a safe range.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Thermodynamics
C. J. Ho et al.
Summary: The experimental study explored the cooling performance of water-based hybrid nanofluid with PCM and graphene nanoparticles in a tube, showing that using nanoemulsion with PCM nanoparticles as coolant effectively reduces wall temperature and enhances heat dissipation efficiency, though the increased viscosity downgrades its highest figure of merit. Furthermore, adding graphene nanoparticles to the nanoemulsion leads to significant enhancement in heat transfer effectiveness.
CASE STUDIES IN THERMAL ENGINEERING
(2022)
Article
Thermodynamics
X. K. Yu et al.
Summary: In this study, a paraffin/expanded graphite composite phase change material was prepared and characterized. The results showed that increasing the content and block density of expanded graphite can enhance the thermal conductivity and cycle stability of the composite material. The formation of expanded graphite lamella structure improved the directional thermal conductivity. Experimental results also revealed the effects of expanded graphite content, block density, and lamellar direction on temperature control performance.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Thermodynamics
Sercan Yalcin et al.
Summary: Accurately estimating battery voltage and heat generation rate is crucial for safe and efficient operations of electric vehicles. This study proposes a novel scheme combining convolutional neural network and artificial bee colony algorithm for estimating HGR and voltage. The proposed model dynamically reveals hidden features in the data and uses new objective and fitness functions to optimize the estimates.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Materials Science, Composites
Chuanbiao Zhu et al.
Summary: The shape-stabilized phase change composites (PCCs) with high thermal conductivity and heat storage density were successfully fabricated. The PCCs exhibit rapid and efficient energy storage and thermoelectric conversion performance, as well as excellent reusability and flexibility.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Thermodynamics
Jiheon Kim et al.
Summary: This study reports on the use of layer-by-layer assembled multiwalled carbon nanotube (MWCNT)-polyethyleneimine (PEI) functional interfaces to enhance the thermal management capabilities of heat sinks filled with phase change materials (PCMs). The functional interfaces increase the active surface areas for thermal transport and optimize the porous structures for the stabilization of the PCM-heat sink boundary under repetitive solid-liquid phase changes. Experimental results show that the heat sinks with the layer-by-layer interfaces exhibit more than 10% improvement in thermal performance compared to those without the interfaces, and they also efficiently alleviate thermal shock or overload.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Energy & Fuels
Yueqi Wang et al.
Summary: The study focuses on the thermal performance and heat dissipation of batteries in flying cars. Flat heat pipe technology is proposed to solve the battery thermal issues, and its effectiveness is verified through experiments. The results show that the battery's maximum temperature occurs at the end of the takeoff stage, while the maximum temperature difference appears during the forward flight segment. With suitable heat dissipation structures and control methods for different discharge conditions and environmental factors, the battery's thermal performance can be improved.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Physical
Jingwen Weng et al.
Summary: Although lithium-ion batteries are widely used, the thermal safety issues remain a concern. This article focuses on phase-change-material (PCM)-based battery thermal management systems (BTMs) and highlights the importance of meeting prerequisites for heat dissipation and thermal hazard mitigation. It compares the thermo-physical properties of modified PCMs and the structural design of structure-enhanced PCM-based BTMs. Future research directions for system resilience are proposed.
ENERGY STORAGE MATERIALS
(2022)
Article
Thermodynamics
Bin Yang et al.
Summary: This study proposed three types of composite phase change materials and investigated their heat transfer performance. The results showed that the heat transfer performance of the composite phase change materials was significantly improved, with the metal-foam/paraffin composite material with a 40 PPI pore density demonstrating the best comprehensive performance.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2022)
Article
Engineering, Chemical
Xinxi Li et al.
Summary: A novel immersion liquid cooled battery thermal management system with epoxy sealant based composite phase change is designed to improve the working performance of lithium-ion batteries under water conditions. The system exhibits excellent waterproof and thermal management performance, reducing unnecessary power consumption of liquid cooling.
CHEMICAL ENGINEERING SCIENCE
(2022)
Article
Engineering, Electrical & Electronic
Satyam Panchal et al.
Summary: This study presents an analogous study of the velocity and temperature profiles inside microchannel cooling plates. The experimental work used heat flux sensors and the simulation work used a computational fluid dynamics (CFD) software. The results show that the temperature of the cooling plates increases as the charging-discharging rates and ambient temperature increase.
WORLD ELECTRIC VEHICLE JOURNAL
(2022)
Article
Green & Sustainable Science & Technology
Huanmei Yuan et al.
Summary: The method of preparing Ag-shell coated phase change micro/nanocapsules enhancing the rigidity of emulsion droplets in the liquid-solid phase transition process, improves the thermal conductivity and storage capability of the nanocapsules, showing promising application prospects in solar energy storage systems and electronics cooling.
Article
Environmental Sciences
Dimberu G. Atinafu et al.
Summary: In this study, four carbon materials were used to support heptadecane as phase change materials, showing varying effects on the PCM content and latent heat storage capacity of the composite PCMs. Intermolecular interactions and surface functionality of the encapsulating agents were found to play a major role in the thermal performance.
ENVIRONMENTAL RESEARCH
(2021)
Article
Materials Science, Composites
Guang-Zhong Yin et al.
Summary: A novel fully bio-based polymer PGI was designed and synthesized efficiently by solvent-free polycondensation. The PEG was used as a phase change material working substance and tightly encapsulated in the PGI supporting material for high form stability and phase change enthalpies. The process allows for convenient adjustment of phase change temperatures and enthalpies by regulating PEG content and molecular weight, facilitating efficient mass production with eco-friendly nature, high efficiency and low cost.
COMPOSITES COMMUNICATIONS
(2021)
Article
Thermodynamics
Meiwei Wang et al.
Summary: A new method was introduced in this study to improve the cooling performance of air-cooled battery thermal management system (BTMS) by adding parallel plates. The results showed that this method effectively enhanced the cooling efficiency of the BTMS, reducing the maximum temperature and temperature difference significantly.
APPLIED THERMAL ENGINEERING
(2021)
Article
Green & Sustainable Science & Technology
Naici Bing et al.
Summary: This research presents a simple and practical strategy to prepare flexible poly (ethylene glycol) form-stable phase change materials (FSPCMs) using cross-linked unsaturated polyester resin and expanded graphite (EG) as thermal conductivity additive, showing excellent stability and thermal reliability. The FSPCMs doped with EG have high efficiency of photo-thermal conversion and significantly higher thermal conductivity compared to regular PEG, leading to substantial time savings during heating and cooling processes. The use of unsaturated polyester resin in FSPCMs provides potential for enhanced thermal conductivity in practical solar thermal applications.
Article
Green & Sustainable Science & Technology
Bohui Lu et al.
Summary: The study prepared paraffin/expanded graphite composite phase change materials, which showed improved thermal conductivity and melting temperature by adding expanded graphite. The fabrication process of the composite PCMs was determined to be purely physical without generating new substances.
Article
Thermodynamics
Jingwen Weng et al.
APPLIED THERMAL ENGINEERING
(2020)
Article
Materials Science, Multidisciplinary
Luis H. Ortega et al.
JOURNAL OF NUCLEAR MATERIALS
(2020)
Article
Chemistry, Physical
Youfu Lv et al.
JOURNAL OF POWER SOURCES
(2020)
Article
Energy & Fuels
Shaokun Song et al.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2019)
Article
Thermodynamics
Lihong He et al.
THERMOCHIMICA ACTA
(2018)
Article
Energy & Fuels
Mulan Mu et al.
Article
Thermodynamics
Guiwen Jiang et al.
APPLIED THERMAL ENGINEERING
(2016)
