Optimization of Annealing Process of Li6PS5Cl for All-Solid-State Lithium Batteries by Box–Behnken Design
Copyright policy )Optimization of Annealing Process of Li6PS5Cl for All-Solid-State Lithium Batteries by Box–Behnken Design
Li6PS5Cl possesses high ionic conductivity and excellent interfacial stability to electrodes and is known as a promising solid-state electrolyte material for all-solid-state batteries (ASSBs). However, the optimal annealing process of Li6PS5Cl has not been studied systematically. Here, a Box–Behnken design is used to investigate the interactions of the heating rate, annealing temperature, and duration of annealing process for Li6PS5Cl to optimize the ionic conductivity. The response surface methodology with regression analysis is employed for simulating the data obtained, and the optimized parameters are verified in practice. As a consequence, Li6PS5Cl delivers a rather high conductivity of 4.45 mS/cm at 25 °C, and ASSB consisting of a LiNi0.6Co0.2Mn0.2O2 cathode and lithium anode shows a high initial discharge capacity of 151.7 mAh/g as well as excellent cycling performances for more than 350 cycles, highlighting the importance of the design of experiments.
- Southern University of Science and Technology China (People's Republic of)
- Chinese Academy of Sciences China (People's Republic of)
- Chinese Academy of Sciences (中国科学院) China (People's Republic of)
- Southwest University of Science and Technology China (People's Republic of)
- Chinese Academy of Science China (People's Republic of)
response surface methodology, TK1001-1841, ANOVA, Production of electric energy or power. Powerplants. Central stations, Industrial electrochemistry, Li<sub>6</sub>PS<sub>5</sub>Cl, Box–Behnken design, all-solid-state batteries, TP250-261
response surface methodology, TK1001-1841, ANOVA, Production of electric energy or power. Powerplants. Central stations, Industrial electrochemistry, Li<sub>6</sub>PS<sub>5</sub>Cl, Box–Behnken design, all-solid-state batteries, TP250-261
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