On December 6, the final of the 7th China Postgraduate Energy Equipment Innovation Design Competition was held in Xi'an Shiyou University. Innovation Design Competition was held in Xi'an Shiyou University. The “Research and Innovation in Energy” team composed of the 2nd year postgraduate students Chong Liu and Zhihao Yang , and the 1st year doctoral students Weijie Kou and Yafang Zhang, all from School of Chemical Engineering of ZZU, participated in the competition on behalf of the university. Their work "research and application of all solid-state lithium batteries with high energy density and high safety" won the national first prize. Zhengzhou University won “the excellent organization”, and Professor Wang Jingtao of the School of Chemical Engineering was named “the excellent instructor”.