一、基本信息

二、教育背景

2009年09月-2015年06月博士，工程热物理专业，上海交通大学，机械与动力工程学院

2005年09月-2008年06月硕士，材料学专业，广西大学，物理科学技术工程学院

2001年09月-2005年06月学士，物理学专业，湖南理工大学，物理与电子科学工程学院

三、工作履历

2015年07月-至今 湖南邵阳学院机械与能源工程学院教师能源与动力工程教研室

其中2019年09月-2020年07月 清华大学航天航空学院中西部青年骨干教师访问学者

2015年06月-2015年09月  广东美的制冷设备有限公司  空调性能工程师

2008年07月-2009年09月 湖南邵阳学院机械与能源工程系教师

四、学术兼职

湖南省工程热物理学会理事

五、科研成果

1、科研项目

[1]基于相变和定向导热网链双重效应降低界面材料热阻的研究（2023JJ50040），2023年度湖南省科技厅，2023.1-2025.6 （主持）

[2]多孔水凝胶强化光伏电池传热研究（23A0540），2023年度湖南省教育厅重点项目，2023.7-2025.12 （主持）

[3]显著降低接触热阻的相变型热界面材料研制，上海先进热功能材料工程技术研究中心/上海第二工业大学, 省级工程研究中心2021年开放课题，2021.6-2023.3（主持）

[4]新型二维层状MXene增强导热塑料传热机理研究(19A448)，2019年度湖南省教育厅重点项目，2019.7-2022.12 （主持）

[5]化学气相沉积法构建高导热绝缘三维氮化硼及其增强聚合物基体传热机制（2018JJ3478），湖南省自然科学基金青年项目，2018.01-2020.12，（主持）

[6]功能化石墨烯诱导界面处耦合状态演变增强导热塑料传热机理研究 （16B236），湖南省教育厅优秀青年，2016.09-2019.09（主持）

2、代表性论文

[1] 刘长青，于伟*，李一凡，范俊辉，袁文华，曹炳阳*. 膨胀石墨“开口封装”聚乙二醇构筑连续导热相的热界面材料研究. 中国科学: 技术科学，55卷，2期: 233-244 (2025).

[2] 刘长青, 王德兵, 何燕*, 汪孔祥, 于伟*. 基于磁性纳米流体的中温太阳能吸收与光热转换性能. 科学通报, 2019, 64: 3041-3048.

[3] Changqing Liu, Wei Yu*, Cheng Chen, Huaqing Xie, Bingyang Cao*. Remarkably reduced thermal contact resistance of graphene/olefin block copolymer/paraffin form stable phase change thermal interface material. International Journal of Heat and Mass Transfer, 2020, 163: 120393.

[4] Changqing Liu, Wei Yu*, Junhui Fan, Yifan Li, Jin Chen, Jun Fu, Guilong Peng, Jianying Liu. Open package form-stable phase change microspheres with low thermal contact resistance for the thermal management of electronic devices. Applied Thermal Engineering, 2024, 241: 122396.

[5] Changqing Liu, Haiping Xu*, Jiawei Yang, Huaqing Xie, Wei Yu*. Temperature adjustable thermal conductivity and thermal contact resistance for liquid metal/paraffin/olefin block copolymer interface material. International Journal of Thermal Sciences, 2022, 179: 107679.

[6] Changqing Liu, Wei Yu*, Jiawei Yang, Yuan Zhang, Huaqing Xie*. Reducing thermal contact resistance by a novel elastomeric polyethylene glycol/unsaturated polyester resin/graphene thermal interface materials. International Communications in Heat and Mass Transfer, 2021, 127: 105553.

[7] Changqing Liu, Cheng Chen, Wei Yu*, Mao Chen, Dongyi Zhou, Huaqing Xie*. Thermal properties of a novel form-stable phase change thermal interface materials olefin block copolymer/paraffin filled with Al₂O₃. International Journal of Thermal Sciences, 2020, 152: 106293.

[8] Changqing Liu, Yan He*, Cheng Chen, Mao Chen, Wei Yu*. Synergistic enhancement of heat transfer between irregular shaped particles and boron nitride flakes at low loading. Results in Physics, 2019, 15: 102599.

[9] Changqing Liu, Cheng chen, Hongmei Wang, Mao Chen, Dongyi Zhou, Zhengxia Xu, Wei Yu*. Synergistic effect of irregular shaped particles and graphene on the thermal conductivity of epoxy composites. Polymer Composites, 2019, 40 (S2): E1294-E1300.

[10] Jiawei Yang, Changqing Liu*, Huaqing Xie and Wei Yu*. Anisotropic heat transfer properties of two-dimensional materials. Nanotechnology, 2021, 32: 162001.

[11] Cheng Chen, Yan He, Changqing Liu*, Huaqing Xie, Wei Yu*. Comprehensive excellent performance for silicone-based thermal interface materials through the synergistic effect between graphene and spherical alumina. Journal of Materials Science: Materials in Electronics, 2020, 31: 4642-4649.

[12] Jiawei Yang, Wei Yu*, Yuan Zhang, Changqing Liu, Huaqing Xie*. Graphene double cross-linked thermally conductive hydrogel with low thermal contact resistance, flexibility and self-healing performance. International Communications in Heat and Mass Transfer, 2021, 127: 105537.

[13] Changqing Liu, Lei Wang, Yang Li, Xuemei Diao, Cheng Dong, Ang Li*, Xiao Chen*. Fe₃O₄/carbon-decorated graphene boosts photothermal conversion and storage of phase change materials. Journal of Colloid and Interface Science, 2024, 657: 590-597.

[14] Changqing Liu, Ying Wan, Yan Gao, Cheng Dong*, Xiao Chen*. Polypyrrole-coated expanded graphite-based phase change materials for photothermal energy storage. Materials Today Nano, 2023, 23: 100376.

[15] Liu Changqing, Zhang Liye, He Yan*, Yu Wei*. Enhancement of photo-thermal conversion performance of the nanofluids through spectral complementarity between silver and cesium tungstate oxide nanoparticles. Journal of Thermal Science, 2020, 29: 1322-1332.

[16] Changqing Liu, Jiawei Yang, Yifan Li, Jun Fu, Wei Yu*, and Huaqing Xie*. BN green gel thermal interface material with high thermal conductivity and low thermal contact resistance for efficiently thermal management. Surfaces and Interfaces, 2024, 47: 104204.

[17] Liu Changqing, Guoxin Hu*, Highly efficient reduction of graphene oxide by sub/supercritical water and their application for thermal interface materials, Applied Thermal Engineering 90 (2015): 193-198.

[18] Changqing Liu and Guoxin Hu*. Effect of nitric acid treatment on the preparation of graphene nanosheets by supercritical N, N-dimethylformamide exfoliation. Industrial & Engineering Chemistry Research, 2014, 53 (37): 14310– 14314.

[19] Changqing Liu and Guoxin Hu*. Phase transition of layered titanate under supercritical N, N-dimethylformamide and supercritical water. RSC Adv., 2013, 3: 20877-20882.

[20] Changqing Liu, Guoxin Hu*, Hanyang Gao. Preparation of few-layer and single-layer graphene by exfoliation of expandable graphite in supercritical N, N-dimethylformamide. The Journal of Supercritical Fluids, 2012, 63: 99–104.