Experimental investigation of heat conduction characteristics of density-layered stone wool materials

Altuntop, Enis Selcuk; Erdemir, Doğan; Karamış, Mehmet

doi:10.1016/j.icheatmasstransfer.2021.105334

Cited by 2 publications

(2 citation statements)

References 26 publications

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“…When the current travels through the junctions of the two conductors, heat is transferred from one junction to other one and cooling occurs as it has been presented at Figure 13 30 . The thermoelectric modules are known with sensitivity against the temperature difference, as a result they happen to be used as sensor in thermal measurement devices 33 . This kind of ability can also be transferred to the system as sensors, so the differentiation can be observed instantly.…”

Section: Battery Thermal Management Systemsmentioning

confidence: 99%

“…30 The thermoelectric modules are known with sensitivity against the temperature difference, as a result they happen to be used as sensor in thermal measurement devices. 33 This kind of ability can also be transferred to the system as sensors, so the differentiation can be observed instantly. Since there are thermocouples in the system for safety, it can reduce the total number of sensors, so there will be budget-friendly systems.…”

Section: Thermoelectricmentioning

confidence: 99%

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A comprehensive review on battery thermal management system for better guidance and operation

et al. 2023

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Batteries are essential to mobilization and electrification as they are used in a wide range of applications, from electric vehicles to small mobile devices. All these devices are powered with AC or DC inside their systems, so they require different battery systems depending on their technical requirements. Batteries show unique characteristics depending on their types, and their needs vary based on their performance, ambient conditions, and so forth. One of the main demands for them is thermal stability. For batteries, thermal stability is not just about safety; it's also about economics, the environment, performance, and system stability. This paper has evaluated over 200 papers and harvested their data to build a collective understanding of battery thermal management systems (BTMSs). These studies are specifically designed to solve different problems. This paper has been prepared to show what these systems are, how they work, what they have been designed for, and under what conditions they should be applied. The BTMSs have been evaluated based on their method, method tools, discharge rate, maximum temperature, temperature difference values, and ambient and inlet temperatures. After evaluating over 200 studies, the results indicate that the passive BTMSs are not useful the cases where the temperature reaches higher values suddenly, especially for system systems that require higher discharge rates. On the other hand, active cooling methods do not manage the temperature difference in the battery cells. However, hybrid cooling methods address both cases admirably by compensating for both of their weaknesses and bringing out their advantages. The general optimum temperature for lithium battery batteries is 55°C. Even though there are many other parameters that need to be considered before making a decision for a BTMS design, the best performance for an optimum system seems to be methods 34, 38, and 22 as they are able to provide lower maximum temperature and temperature difference in the cells.

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Section: Battery Thermal Management Systemsmentioning

confidence: 99%

Section: Thermoelectricmentioning

confidence: 99%

A comprehensive review on battery thermal management system for better guidance and operation

et al. 2023

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Effect of Titanium Dioxide Particles on the Thermal Stability of Silica Aerogels

Fan,

Lu,

Duan

et al. 2024

Nanomaterials

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Silica aerogels exhibit a unique nanostructure with low thermal conductivity and low density, making them attractive materials for thermal isolation under extreme conditions. The TiO2 particle is one of the common industrial additives used to reduce the thermal radiation of aerogel composites under high-temperature environments, but its influence on thermal resistance is almost unknown. Herein, we report the effect of TiO2 nanoparticles with different crystal phases and different sizes on the thermal stability of silica aerogel composites. By adding TiO2 nanoparticles, the aerogel can significantly resist collapse at high temperatures (up to 1000 °C). And compared with the rutile phase TiO2, the anatase phase TiO2 shows much higher temperature resistance performance, with shrinkage of only one-sixth of the rutile phase after 800 °C treatment. Interestingly, energy-dispersive spectrometer mapping results show that after 800 °C treatment, silica nanoparticles (NPs) are squeezed out in between anatase TiO2 particles, which resists the coarsening of silica NPs and ultimately enhances the stability of aerogel composites. The optimal anatase phase TiO2-doped silica aerogel demonstrates the integrated properties of crack-free morphology (2.84% shrinkage), low thermal conductivity (29.30 mW/(m‧K)) and low density (149.4 mg/cm3) after 800 °C treatment. This study may provide new insights for developing oxide-doped silica aerogels with both high-temperature resistance and low thermal radiation.

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Experimental investigation of heat conduction characteristics of density-layered stone wool materials

Cited by 2 publications

References 26 publications

A comprehensive review on battery thermal management system for better guidance and operation

A comprehensive review on battery thermal management system for better guidance and operation

Effect of Titanium Dioxide Particles on the Thermal Stability of Silica Aerogels

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