The transient and thermo-electric finite element analysis(FEA)of a 2Dlithium-on(Li-ion)battery is presented.The process of recharging and discharging of thin film lithium-ion(LiFePO4)battery in the presence of a trans...The transient and thermo-electric finite element analysis(FEA)of a 2Dlithium-on(Li-ion)battery is presented.The process of recharging and discharging of thin film lithium-ion(LiFePO4)battery in the presence of a transversal crack is numerically investigated.During this process significant temperature load influences the behavior of the battery and thermal fields can affect the way crack propagates into the thin film media.The simulations infer about relationship between temperature and electric field and their effect on crack propagation.A Li-ion battery model suitable for this investigation is implemented in the multi-physics software package by COMSOL Inc.,and it is extended to include the thermal and electrical effects.Results and discussion are accompanied with pertinent conclusions.展开更多
Experimental investigations and associated methods are provided to characterize the mechanical properties of a lithium-ion battery accounting for operating temperature variation and thermal effects. Material propertie...Experimental investigations and associated methods are provided to characterize the mechanical properties of a lithium-ion battery accounting for operating temperature variation and thermal effects. Material properties for LiFeP04 cathode and anode samples taken from an off-the-shelf battery are evaluated in new and fatigued （subjec- ted to charging and discharging cycles） conditions.展开更多
基金the National Science Foundation and Advanced Technologies(NFSAT),the grant No.TFP-12-06supported by Clarkson University Mechanical and Aeronautical Engineering DepartmentClarkson University Center for Advanced Material Processing
文摘The transient and thermo-electric finite element analysis(FEA)of a 2Dlithium-on(Li-ion)battery is presented.The process of recharging and discharging of thin film lithium-ion(LiFePO4)battery in the presence of a transversal crack is numerically investigated.During this process significant temperature load influences the behavior of the battery and thermal fields can affect the way crack propagates into the thin film media.The simulations infer about relationship between temperature and electric field and their effect on crack propagation.A Li-ion battery model suitable for this investigation is implemented in the multi-physics software package by COMSOL Inc.,and it is extended to include the thermal and electrical effects.Results and discussion are accompanied with pertinent conclusions.
基金the National Science Foundation and Advanced Technologies(NFSAT),the grant No.TFP-12-06supported by Clarkson University Mechanical and Aeronautical Engineering Department,and Clarkson University Center for Advanced Material Processing
文摘Experimental investigations and associated methods are provided to characterize the mechanical properties of a lithium-ion battery accounting for operating temperature variation and thermal effects. Material properties for LiFeP04 cathode and anode samples taken from an off-the-shelf battery are evaluated in new and fatigued （subjec- ted to charging and discharging cycles） conditions.
