Preparation of a novel composite phase change material (PCM) and its locally enhanced heat transfer for power battery module

Zou, Deqiu; Liu, Xiaoshi; He, Ruijun; Zhu, Sixian; Bao, Jiaming; Guo, Jiangrong; Hu, Zhigang; Wang, Binghui

doi:10.1016/j.enconman.2018.11.064

Cited by 147 publications

(35 citation statements)

References 44 publications

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“…Phase change energy storage is an effective way to solve energy and environmental problems. [81][82][83][84][85][86][87][88][89][90][91][92][93][94] However, there are still many problems that need to be resolved during the development of PCMs. For example, PCMs that use melamine resin and urea-formaldehyde resin as wall materials will release more or less free formaldehyde during the usage, which endangers human health.…”

Section: Discussionmentioning

confidence: 99%

Recent Advances in Organic/Composite Phase Change Materials for Energy Storage

Zhou¹,

Wu²,

Ma³

et al. 2020

ES Energy Environ.

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Phase change materials (PCMs) store and release energy in the phase change processes. In recent years, PCMs have gained increasing attention due to their excellent properties such as high latent heat storage capacity, appropriate solid-liquid phase change temperature, thermal reliability, and low cost. Herein, classification, characteristics, and evaluation criteria of organic/composite PCMs are systematically illustrated, and some typical preparation methods are introduced, such as in-situ polymerization, interfacial polymerization, spray drying method, porous materials adsorption method, sol-gel method, meltimpregnated and mixing method, electrospinning method, vacuum infiltration and ultrasonic method are introduced. In addition, this review presents some applications of PCMs in the utilization of solar energy, building materials, air conditioning, industrial waste heat recovery, and military camouflage and stealth. Finally, the development tendency of PCMs is discussed.

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Section: Discussionmentioning

confidence: 99%

Recent Advances in Organic/Composite Phase Change Materials for Energy Storage

Zhou¹,

Wu²,

Ma³

et al. 2020

ES Energy Environ.

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“…BTMSs can be categorized into active and passive modes 3,4 . The active BTMSs circulate air or liquid through fans or pumps in cooling channels to extract the heat generated by batteries, while the passive BTMSs manage battery heat generation without consuming supplementary energy, and the examples include phase change materials cooling, 5‐10 hydrogel cooling, 11‐13 and boiling liquid cooling 14‐16 . As the modern trend toward increasing batteries' power density and fast charging performance, that is, higher C rates (for example, 2 C indicates the current that can fully charge or discharge a battery in 1/2 hour), the parasitic heat generation in batteries can increase, which poses extra challenges on the BTMSs.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of a direct evaporative cooling approach for Li‐ion battery thermal management

Zhao

Liu

et al. 2020

Int J Energy Res

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Summary A desirable operating temperature range and small temperature gradient is beneficial to the safety and longevity of lithium‐ion (Li‐ion) batteries, and battery thermal management systems (BTMSs) play a critical role in achieving the temperature control. Having the advantages of direct access and low viscosity, air is widely used as a cooling medium in BTMSs. In this paper, an air‐based BTMS is modified by integrating a direct evaporative cooling (DEC) system, which helps reduce the inlet air temperature for enhanced heat dissipation. Experiments are carried out on 18650‐type batteries and a 9‐cell battery pack to study how relative humidity and air flow rate affect the DEC system. The maximum temperatures, temperature differences, and capacity fading of batteries are compared between three cooling conditions, which include the proposed DEC, air cooling, and natural convection cooling. In addition, a DEC tunnel that can produce reciprocating air flow is assembled to further reduce the maximum temperature and temperature difference inside the battery pack. It is demonstrated that the proposed DEC system can expand the usage of Li‐ion batteries in more adverse and intensive operating conditions.

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“…In recent years, phase change materials were effectively used in the fields of solar and industrial waste heat energy because they can provide high energy storage density and almost isothermal heat storage 22‐24 . For example, Du et al 25 developed a novel form‐stable poly(ethylene glycol)‐based polyurethane phase change material doped by amino‐functionalized single‐walled carbon nanotubes, which exhibited good heat storage capacity.…”

Section: Introductionmentioning

confidence: 99%

Photo‐thermal conversion and heat storage characteristics of multi‐walled carbon nanotubes dispersed magnetic phase change microcapsules slurry

et al. 2020

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Summary The development of high‐efficient working fluids with excellent photo‐thermal conversion and heat storage properties is an important factor to solar thermal utilization. In this work, magnetic phase change microcapsules (MPCMs) were prepared via in situ polymerization, where melamine‐formaldehyde (MF) resin and octadecane containing oleic acid‐coated magnetic nanoparticles (OA‐MNs) were used as the shell and core, respectively. The microstructure, magnetic and thermal properties of MPCMs were investigated, and the photo‐thermal conversion and heat storage properties of slurries prepared by dispersing MPCMs into multi‐walled carbon nanotubes (MWCNTs) nanofluids were explored. The encapsulation efficiency of MPCMs with superparamagnetic nature achieved 63.51%, while the thermal conductivity of MPCMs was slightly increased with regard to phase change microcapsules (PCMs) and the thermal stability of octadecane was enhanced after being encapsulated. Moreover, the slurry with 0.01 wt% MWCNTs and 15 wt% MPCMs had the optimal photo‐thermal conversion properties and thermal storage capacity. Beyond that, the recycled MPCMs represented excellent recyclability. Our research demonstrated that the MWCNTs‐dispersed MPCMs slurry is one of ideal working fluids with excellent photo‐thermal conversion and heat storage characteristics for direct absorption solar collector.

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Preparation of a novel composite phase change material (PCM) and its locally enhanced heat transfer for power battery module

Cited by 147 publications

References 44 publications

Recent Advances in Organic/Composite Phase Change Materials for Energy Storage

Recent Advances in Organic/Composite Phase Change Materials for Energy Storage

Experimental study of a direct evaporative cooling approach for Li‐ion battery thermal management

Photo‐thermal conversion and heat storage characteristics of multi‐walled carbon nanotubes dispersed magnetic phase change microcapsules slurry

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