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Phase change material for heat exchange fluid/coolant

A phase change material and fluid technology, applied in heat exchange materials, electrochemical generators, electrical components, etc., to solve problems such as thermal runaway

Pending Publication Date: 2020-10-30
CASTROL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a significant risk of thermal runaway at temperatures above 70°C

Method used

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  • Phase change material for heat exchange fluid/coolant
  • Phase change material for heat exchange fluid/coolant
  • Phase change material for heat exchange fluid/coolant

Examples

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Effect test

example 1

[0102] The emulsions of the present disclosure were prepared by using the methods mentioned above. In particular, 53.9 wt% of paraffin wax having a melting point of 64°C (Sasolwax available from Sasol), 6.9 wt% of emulsifier (WaxEmulsifier 2106 available from Clariant) and 6.9 wt% of glycerin in 32.3 wt% Combine and emulsify in water. After emulsification, the resulting micelles were analyzed using a Beckman Coulter Laser Diffraction PS Analyzer (LS 13 320). The micelles in the emulsion were determined to have an average particle size of 0.510 μm, a median particle size of 0.505 μm, and a mode particle size of 0.520 μm, with less than 10% of the particles having a mean diameter of less than 0.415 μm or greater than 0.617 μm.

[0103] image 3 Shows the variation of the specific heat capacity of the obtained emulsion from -80°C to +80°C; image 3 The data are also presented in Table 1 below. The peak heat capacity of about 12 J / gK is due to the ice produced by the melting o...

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Abstract

This disclosure relates generally to micellar emulsions. This disclosure relates more particularly to micellar emulsions useful as thermal management fluids, methods for preparing such emulsions, andmethods of using such emulsions.

Description

technical field [0001] The disclosure generally relates to micellar emulsions. This disclosure relates more particularly to micellar emulsions useful as thermal management fluids, methods for making such emulsions, and methods of using such emulsions. Background technique [0002] It is estimated that by 2035, more than 120 million electric vehicles (i.e., vehicles that use electrical power for all or a portion of their motion power, such as battery electric vehicles (BEV), hybrid electric vehicles (HEV), plug-in hybrid electric vehicles (PHEV, etc.) will hit the road. Eventually, the vast majority of vehicles will likely be electric. As electric vehicle technology continues to develop, there is a need to provide improved power sources (eg, battery systems or modules). For example, it is desirable to increase the distance such vehicles can travel without requiring recharging of the batteries, to improve the performance of such batteries, and to reduce the cost and time as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06H01M10/6567H01M10/659
CPCC09K5/063H01M10/6567H01M10/659Y02E60/10H01M10/613
Inventor A·A·M·亨德里克森H·P·佩舍尔R·P·赫德森K·R·韦斯特
Owner CASTROL LTD