研究领域或方向：

 燃料电池结构为基础的二氧化碳还原研究；

 氢离子浓差电池发电及热电转换研究；

 锂离子电池正极材料设计开发及应用；

 燃料电池阴极催化剂的制备及催化机理研究；



工作经历：

2022.10-至今   西安交通大学 材料学院 副教授

2019.7-2022.9  西安交通大学 材料学院  助理教授

2015.9-2019.6  西安交通大学 博士研究生

2018.9-2019.4  美国罗格斯大学（NB） 访问学者

2010.9-2015.9  中航工业北京航空材料研究院 工程师

科研项目：

国家自然科学基金（青年， 52202046）： CO2/H2燃料电池中碳载体未成对电子协同RuO2氧空位催化CO2还原机理研究，在研，主持；

陕西省自然科学基金（青年，2021JQ-034）：氢离子浓差热电池Ru基高效阴极催化剂的构筑及其析氢动力学研究，在研，主持；

微纳米材料工程与技术重庆市高校重点实验室开放课题：TiO2-x@Ru核壳催化剂在新型热电转化装置—氢离子浓差热电池中的析氢动力学研究，在研，主持；

陕西省高校联合项目-重点项目 （2021GXLH-Z-067）：氢离子浓差热电池，在研，主要参研人。

学术成果：

[1] Yan Liu, Tao Zhang, Chao Deng, Shixiu Cao, Xin Dai, Shengwu Guo, Yuanzhen Chen, Qiang Tan, Haiyan Zhu†, Sheng Zhang†, Yongning Liu†. Ordered mesoporous carbon spheres assisted Ru nanoclusters/RuO2 with redistribution of charge density for efficient CO2 methanation in a novel H2/CO2 fuel cell. J. Energy Chem., 2022, 72, 116–124.

[2] Kunyang Zou, Weitao Jing, Xin Dai, Xinxing Chen, Ming Shi, Zhiyin Yao, Ting Zhu, Junjie Sun, Yuanzhen Chen, Yan Liu†, and Yongning Liu†. A highly efficient sulfur host enabled by nitrogen/oxygen dual-doped honeycomb-like carbon for advanced lithium-sulfur batteries. Small, 2022, 18, 2107380.

[3] Yan Liu, Kunyang Zou, Tao Zhang, Xin Dai, Shixiu Cao, Qiang Tan, Yuanzhen Chen, Shengwu Guo, Yongning Liu†, Novel honeycomb-like carbons with tunable nanopores as metal-free N, O-codoped catalysts for robust oxygen reduction. Chem. Eng. J., 2022, 433, 133560.

[4] Yan Liu, Tao Zhang, Yu E. Duan, Xin Dai, Qiang Tan, Yuanzhen Chen, Yongning Liu†, N,O-Codoped carbon spheres with uniform mesoporous entangled Co3O4 nanoparticles as a highly efficient electrocatalyst for oxygen reduction in Zn-air battery. J. Colloid Interf. Sci. 2021, 604, 746-756.

[5] Liu Y, Zhang T, Dai X, Tan Q, Chen YZ, Liu YN†, and Asefa T†. Ordered Nanoporous Nitrogen- and Oxygen-Codoped Carbon Nanospheres as Electrocatalysts for Oxygen-Reduction Reaction in Direct Methanol Fuel Cells. ACS Appl. Nano Mater. 2020, 3, 5139−5148.

[6] Liu Y*, Li YW*, Chen YZ, Qu T, Shu CY, Yang XD, Zhu HY, Guo SW, Asefa T†, Liu YN†. A CO2/H2 fuel cell: reducing CO2 while generating electricity. J. Mater. Chem. A, 2020, 8, 8329. *These authors contributed equally to this work. (Selected as Hot Paper).

[7] Liu Y, Chen YZ, Ming J, Chen L, Shu CY, Qu T, Tan Q, Liu YN†, Asefa T†. Harvesting Waste Heat Energy by Promoting H+-Ion Concentration Difference with a Fuel Cell Structure. Nano Energy, 2019, 57: 101～107.

[8] Liu Y, Shu CY, Fang Y, Chen YZ, Liu YN†. Two 3D structured Co-Ni bimetallic oxides as cathode catalysts for high-performance alkaline direct methanol fuel cells. Journal of Power Sources, 2017, 361:160-169.

[9] Liu Y, Chen YZ†, Li S, Shu CY, Fang Y, Song B. Improved charge transfer in Mn2O3@Co1.2Ni1.8O4 hybrid for a highly stable alkaline direct methanol fuel cell with good methanol tolerance. ACS Applied Materials & Interfaces, 2018, 10:9485-9494.

[10] Liu Y, Liu YN†, Jinfu Ma, Lai JH. La1−xSrxCoO3 (x = 0.1–0.5) as the cathode catalyst for a direct borohydride fuel cell. Journal of Power Sources, 2010, 195:1854–1858.

[11] Liu Y, Ma J, Lai JH, Liu YN†. Study of LaCoO3 as a cathode catalyst for a membraneless direct borohydride fuel cell. Journal of Alloys and Compounds, 2009, 488:204–207.