Title Page
Abstract
Contents
Chapter 1. Introduction 10
Chapter 2. Materials and Methods 13
2.1. Preparation of anode slurry for lithium ion battery 13
2.2. Analysis slurry properties 15
2.3. Bead filtration experiment for visualization 16
2.4. Slurry filtration in a lab-scale experiments 17
Chapter 3. Results and Discussion 19
3.1. Properties of anode slurry 19
3.2. Bead filtration experiment for visualization 24
3.3. Slurry filtration 26
3.4. Suggestions for filter composition - highly asymmetric 33
Chapter 4. Conclusion 41
References 44
Table 1. Number of fouled slurry agglomerates (ea/3.3 cm²). 39
Figure 1. Rheological properties of anode slurry. (a) strain sweep step, (b) frequency sweep step, and (c) steady state flow step. 20
Figure 2. Surface morphology of the electrodes by optical microscopy image. (a) new electrode, (b) old electrode. 22
Figure 3. Electrode capacitance after cyclic voltammetry test. (a) new electrode, (b) old electrode, and (c) average capacitance. 23
Figure 4. Bead filtration experiment breakthrough bead aspect. 25
Figure 5. Optical microscopy images of agglomerates after 50 mL slurry filtration on (a) 80 mesh filter, (b) 100 mesh filter, and (c) 120 mesh filter. 27
Figure 6. Analysis of fouled slurry agglomerates by light microscopy after filtration. (a) average number of agglomerates, and (b) average size of agglomerates. 28
Figure 7. Slurry throughput analysis after filtration. (a) normalized flux, (b) agglomerates fouling, and (c) agglomerates fouling (partial focus). 32
Figure 8. Current filtration filter composition and other asymmetric filter composition. (a) 80/100/120 mesh filter composition, (b) 40/80/120... 34
Figure 9. Filtrated slurry initial permeate flux to three types of mesh filter compositions. 36
Figure 10. Mesh filter morphology of different three types of mesh filter compositions. (a) 80/100/120 mesh filter composition, (b) 40/80/120... 38