动力电池制造流程图简介.pptVIP

Mobile Energy Provider Confidential - Do not copy * Process of Power Cell Production Electrode Preparing (Mixing、Coating、Calendaring、Drying、Slitting、Cutting) Cell Assembling (Stacking、Welding、Sealing、EL injection、Degassing) Cell Formation Grading (Cell Formation、Grading) * Mixing Coating Pressing Cutting Drying Stacking Sealing injection Formation Aging Grading Stock Electrode preparing Assembling Formation Process of Power Cell Production * Mixing(anode cathode) Product: 1.Viscosity 2.Particle size 3.Density 4.Solid content Process: 1.Raw material Wt. 2.Mixing speed 3.Mixing time 4.Temp. Control point: Mixing * Coating Product: 1.Unit weight 2.Length and length in between 3.pattern appearance Process 1.Belt speed 2.Position of feeding head 3.Temp of oven 4.Length and length in between Control point: Mixing Coating Cu Al * Pressing Product: 1.Thickness 2.Appearance Process: 1.Pressure 2.Gap 3.Speed Control point: Mixing Coating Pressing * Cutting Product: 1.Width 2.Appearance 3.Burr Process: 1.Tension 2.Speed Control point: Slitting * Drying Product: 1.Water Content Process: 1.Drying Temp. 2.Vacuum Degree 3.Drying Time Control point: Drying Mixing Coating Pressing * Stacking Welding Product: 1. Tab Positions 2. Electrode/Separator Position 3. Flatness of Tapes 4. Tab welding strength Process: 1. Positioning 2. Welding parameter Control point: SAMPLE Auto-Winding * Sealing (frontside) Product: 1.Position of the tabs 2.Short circuit test Process: 1.Temp 2.Time 3.Pressure 4.Alignment Control point: Auto-Winding Manual-Winding Sealing * Injectionsealing Product: 1.Weight of electrolyte Process: 1.Flow rate from pump 2.Temperature 3.Time 4.Pressure 5.Dry room Control point: electrolyte Auto-Winding Manual-Winding Sealing injection * Product: 1.Appearance 2.Dimension 3.Sealing test Process: 1.Vacuum time 2.Sealing time 3.Sealing temp Control point: Degas/Sealing Trimming Folding Marking Pre-charge SAMPLE Auto-Winding Manual-Winding Sealing injection Formin