Part I: Overview Chapters: What Does the User Expect from Secondary Batteries Mounted in Portable Electronics? 1. High Energy Density Batteries for Portable Electronics Part II: Mature Technologies: Sealed, Rechargeable Nickel Cadmium Batteries (Ni-Cd): A Mature Technology with a Variable Future 2. Advanced Ni-Mh Batteries Part III: Recent and Near-Future Advanced Technologies: A. Li-technologies: Advanced Li-ion Batteries 3. Applications of Li/CFx System in Portable Electronics 4. Lithium Electrode in Polymer Electrolytes 5. Advanced Anode Materials for Li-ion Batteries 6. Advanced Cathode Materials for Lithium Batteries 7. Polymer Electrodes B. Zn/Air Technology: Rechargeable Zinc-air Batteries for Portable Products Part IV: Emerging Technologies: Li/Polymer Batteries 8. Thin-Film Lithium Batteries 9. Polymer Electrolyte Fuel Cells as Potential Power Sources for Portable Electronic Devices 10. Ultracapacitors for Portable Electronics Part V: Battery Intelligence: Electronics and the Battery Pack