1. State Key Laboratory of Automotive Safety and Energy Tsinghua University Beijing 100084 China
2. Institute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 China
3. Daikin Industries, Ltd 1‐1, Nishi‐Hitotsuya Settsu Osaka 566‐8585 Japan
4. Sichuan New Energy Vehicle Innovation Center Yibin 644002 China