초록

A primary alkaline battery includes a cathode having a cathode active material and carbon fibers, an anode, a separator and an alkaline electrolyte. The carbon fibers have diameters less than about 250 nanometers.

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1. A primary alkaline battery, comprising:a cathode comprising a cathode active material and carbon fibers; an anode; a separator; and an alkaline electrolyte, wherein the carbon fibers comprise between about 40 and about 100 layers of graphite. 2. The battery of claim 1, wherein the cathode compris

1. A primary alkaline battery, comprising:a cathode comprising a cathode active material and carbon fibers; an anode; a separator; and an alkaline electrolyte, wherein the carbon fibers comprise between about 40 and about 100 layers of graphite. 2. The battery of claim 1, wherein the cathode comprises less than about 5% of carbon fibers by weight.3. The battery of claim 1, wherein the cathode comprises less than about 4% of carbon fibers by weight.4. The battery of claim 1, wherein the cathode comprises less than about 3% of carbon fibers by weight.5. The battery of claim 1, wherein the cathode comprises less than about 2% of carbon fibers by weight.6. The battery of claim 1, wherein the cathode comprises greater than about 86% of the cathode active material by weight.7. The battery of claim 1, wherein the cathode comprises greater than about 88% of the cathode active material by weight.8. The battery of claim 1, wherein the cathode comprises greater than about 92% of the cathode active material by weight.9. The battery of claim 1, wherein the carbon fibers have a diameter less than about 250 nanometers.10. The battery of claim 1, wherein the carbon fibers have a diameter between about 60 nanometers and about 100 nanometers.11. The battery of claim 1, wherein the cathode comprises greater than about 86% of the cathode active material by weight, and less than about 5% of carbon fibers by weight.12. The battery of claim 1, wherein the cathode further comprises a binder.13. A primary alkaline battery, comprising:a cathode comprising a cathode active material and carbon fibers; an anode; a separator; and an alkaline electrolyte, wherein the carbon fibers have a surface energy between about 50 mJ/m2 and about 300 mJ/m2. 14. The battery of claim 13, wherein the cathode comprises less than about 5% of carbon fibers by weight.15. The battery of claim 13, wherein the cathode comprises less than about 4% of carbon fibers by weight.16. The battery of claim 13, wherein the cathode comprises less than about 3% of carbon fibers by weight.17. The battery of claim 13, wherein the cathode comprises less than about 2% of carbon fibers by weight.18. The battery of claim 13, wherein the cathode comprises greater than about 86% of the cathode active material by weight.19. The battery of claim 13, wherein the cathode comprises greater than about 88% of the cathode active material by weight.20. The battery of claim 13, wherein the cathode comprises greater than about 92% of the cathode active material by weight.21. The battery of claim 13, wherein the carbon fibers have a diameter less than about 250 nanometers.22. The battery of claim 13, wherein the carbon fibers have a diameter between about 60 nanometers and about 100 nanometers.23. The battery of claim 13, wherein the cathode comprises greater than about 86% of the cathode active material by weight, and less than about 5% of carbon fibers by weight.24. The battery of claim 13, wherein the cathode further comprises a binder.25. A primary alkaline battery, comprising:a cathode comprising a cathode active material and carbon fibers; an anode; a separator; and an alkaline electrolyte, wherein the carbon fibers have a graphitic index of less than about 85%. 26. The battery of claim 25, wherein the cathode comprises less than about 5% of carbon fibers by weight.27. The battery of claim 25, wherein the cathode comprises less than about 4% of carbon fibers by weight.28. The battery of claim 25, wherein the cathode comprises less than about 3% of carbon fibers by weight.29. The battery of claim 25, wherein the cathode comprises less than about 2% of carbon fibers by weight.30. The battery of claim 25, wherein the cathode comprises greater than about 86% of the cathode active material by weight.31. The battery of claim 25, wherein the cathode comprises greater than about 88% of the cathode active material by weight.32. The battery of claim 25, wherein the cathode comprises greater than about 92% of the cathode active material by weight.33. The battery of claim 25, wherein the carbon fibers have a diameter less than about 250 nanometers.34. The battery of claim 25, wherein the carbon fibers have a diameter between about 60 and about 100 nanometers.35. The battery of claim 25, wherein the cathode comprises greater than about 86% of the cathode active material by weight, and less than about 5% of carbon fibers by weight.36. The battery of claim 25, wherein the cathode further comprises a binder.