Immersion-type heat radiation cooling liquid used for power lithium batteries, and preparation method thereof
A heat dissipation cooling liquid and lithium battery technology, applied in the chemical industry, can solve the problems of poor phase change cooling effect, achieve the effects of eliminating thermal polarization, improving thermal conductivity, and low expansion
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Embodiment 1
[0031] Example 1: An immersed heat dissipation coolant for power lithium batteries, which is composed of the following formula with a weight ratio: 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether ( HFE-347): 55 parts; 1,1-dichloroethane: 42 parts; methanol: 2 parts; phenol: 0.05 parts; benzotriazole: 0.1 parts; nano-titanium dioxide: 0.02 parts; nano-alumina: 0.03 parts .
[0032] The preparation method of the above-mentioned submerged cooling liquid for power lithium battery is as follows:
[0033] 1. Add 55 parts of 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether (HFE-347) into a reactor equipped with a stirring device, and keep the room temperature around 25℃.
[0034] 2. Turn on the stirring, add 42 parts of 1,1-dichloroethane and 2 parts of methanol while stirring, and stir for about 15 minutes to form an azeotrope.
[0035] 3. After preparing the hydrofluoroether azeotrope in step 2, add 0.05 part of phenol and 0.1 part of benzotriazole in sequence, and stir for about 1...
Embodiment 2
[0038] Example 2: An immersed heat dissipation coolant for power lithium batteries, which is composed of the following formula with a weight ratio: 1,1,2,2-tetrafluoroethyl ethyl ether: 65 parts; 1,1-dichloro Ethane: 32 parts; methanol: 2.5 parts; phenol: 0.05 parts; benzotriazole: 0.1 parts; nano-zinc oxide: 0.2 parts; nano-alumina: 0.15 parts.
[0039] The preparation method of the above-mentioned submerged cooling liquid for power lithium battery is as follows:
[0040] 1. Add 65 parts of 1,1,2,2-tetrafluoroethyl ethyl ether into a reactor equipped with a stirring device and keep the room temperature at about 25°C.
[0041] 2. Turn on the stirring, add 32 parts of 1,1-dichloroethane and 2.5 parts of methanol while stirring, and stir for about 15 minutes to form an azeotrope.
[0042] 3. After preparing the hydrofluoroether azeotrope in step 2, add 0.05 part of phenol and 0.1 part of benzotriazole in sequence, and stir for about 15 minutes respectively.
[0043] 4. Add 0.2 parts of n...
Embodiment 3
[0045] Example 3: An immersed heat dissipation coolant for power lithium batteries, composed of the following formula with a weight ratio: 1,1,1,2,3,3-hexafluoro-3-methoxypropane (HFE-356mec ): 75 parts; 1,1-dichloroethane: 22 parts; methanol: 2.8 parts; phenol: 0.05 parts; benzotriazole: 0.1 parts; nano-titania: 0.02 parts; nano-alumina: 0.03 parts.
[0046] The preparation method of the above-mentioned submerged cooling liquid for power lithium battery is as follows:
[0047] 1. Add 75 parts of 1,1,1,2,3,3-hexafluoro-3-methoxypropane (HFE-356mec) into a reactor equipped with a stirring device, and keep the room temperature around 25℃.
[0048] 2. Turn on the stirring, add 22 parts of 1,1-dichloroethane and 2.8 parts of methanol while stirring, and stir for about 15 minutes to form an azeotrope.
[0049] 3. After preparing the hydrofluoroether azeotrope in step 2, add 0.05 part of phenol and 0.1 part of benzotriazole in sequence, and stir for about 15 minutes respectively.
[0050] 4....
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