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The thermal conductivity adhesive, a key component of thermal management of power battery, was taken as the research object, and the simulation model of power battery was established by using simulation software Fluent. The coating area (85%~95%) of the thermal conductivity adhesive was simulated and calculated, and the influence of the use of thermal conductivity adhesive on the temperature field distribution and temperature consistency of power battery under typical working conditions was studied by bench test. It provides the basis for the selection and dosage of thermal conductivity adhesive in the design stage of thermal management scheme. The results show that as the coating area of the thermal conductivity adhesive decreases from 95% to 85%, the maximum temperature of the battery increases from 47.87 ℃ to 50.84 ℃, and the maximum temperature difference of the upper surface increases from 2.40 ℃ to 5.87 ℃. Considering the design criterion of power battery, it is determined that the use of 90% of the coating area of thermal conductivity adhesive can meet the design requirements of the highest temperature and temperature difference under three harsh working conditions of the power battery, avoiding the waste of raw materials caused by excessive heat conductivity adhesive in actual production, and achieving cost savings.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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