纯电动汽车CO2 热泵空调及整车热管理概述

李江峰, 李帅旗, 阮先轸, 徐磊, 张孝春, 宋文吉, 冯自平

Review of CO2 heat pump and thermal management for pure electric vehicle

Jiangfeng LI, Shuaiqi LI, Xianzhen RUAN, Lei XU, Xiaochun ZHANG, Wenji SONG, Ziping FENG

表1 电动汽车空调制冷剂物性

Table 1 Physical properties of air-conditioning refrigerant for electric vehicle

物性 R134a R1234yf R744 R290 分子式 CH2FCF3 C3H2F4 CO2 C3H8 沸点/℃ -26.1 -29.4 -78.5 -42.2 临界温度/℃ 101.1 94.7 31.1 96.7 临界压力/MPa 4.1 3.4 7.4 4.2 安全等级 A1 A2L A1 A3 ODP 0 0 0 0 GWP 1300 4 1 3