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Recently, the team of Tang Yongbing, a researcher at the Functional Thin Film Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, and Kidkhunthod, a researcher at the Institute of Synchrotron Radiation Light Sources in Thailand, have discovered a positive electrode material structure gene (TMO 6 , TM is a transition metal atom)
.
The related research results are titled K-Ion Battery Cathode Design Utilizing Trigonal Prismatic Ligand Field and published on Advanced Materials
.
6
The structural elements of battery materials not only directly constitute the crystal structure, but also determine its electronic structure, especially the electron orbital splitting of the redox center
.
Therefore, structural elements affect the intrinsic physical and chemical properties of battery materials and are regarded as material design genes
.
6
In this study, the researchers developed a new type of potassium ion battery cathode material-K 2 Fe(C 2 O 4 ) 2 , and discovered the reversible triangular prism TMO 6 structural gene
.
Through in-situ synchrotron radiation and other technologies, a clear image of the evolution of the local structure of the material was obtained, which verified the reversibility and stability of the triangular prism TMO 6 structural gene
.
2 2 4 2 6 6
The research work was funded by the National Natural Science Foundation of China, the Chinese Academy of Sciences, Guangdong Province, and Shenzhen Science and Technology Projects
K 2 Fe(C 2 O 4 ) 2 Triangular Prism TMO 6 Structural Gene of Cathode Material and Local Structure Evolution in Electrochemical Process
2 2 4 2 6