School of Materials Science and Engineering;
Northeastern University;
Shenyang 110819;
China;
School of Resources and Materials;
Northeastern University At Qinhuangdao;
Qinhuangdao 066004;
China;
Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province;
Qinhuangdao 066004;
China;
LiFePO_(4); Deep eutectic solvents; Ionic thermal method; Orthogonal experiments; Electrochemical performance;