1. Electrochemistry and the 21st Century.- 1. Time Scale.- 2. Electrochemistry as "The Other Chemistry".- 3. On the Nature of Electrochemistry.- 4. The Relationship of Electrochemistry to Other Sciences.- 5. The Currently Expanding World and the Steady State World of the 21st Century.- 6. On the Media of Energy.- 7. Present Electrochemical Industry.- 8. Difficulties of Our Present Society.- 9. A Latter-Day Coal Age.- 10. Near-Future Leads in the Electrochemical Industry.- 11. Biomedical Applications.- 12. The Electrodeposition of Materials from High-Temperature Melts ..- 13. Mineral Processing.- 14. Electrocatalysis.- 15. Material Conservation.- 16. Electro-organic Chemistry.- 17. High-Temperature Electrolytes.- 18. Electrochemistry of Cleaner Environments.- 19. Electrochemistry for a Better World.- 20. Borderline Phenomena.- 21. Lack of Training in Electrochemistry.- References.- 2. Electrochemical Energy Conversion-Principles.- 1. Introduction.- 2. Thermodynamic Aspects.- 3. Electrode Kinetic Aspects.- 4. Electrocatalysis.- 5. Porous Gas Diffusion Electrodes.- 6. Fuel Cell Systems: Applications, Performance, and Economics.- 3. Electrochemical Energy Storage.- 1. Introduction.- 2. The Theory of Galvanic Cells.- 3. Electrochemical Storage Systems.- 4. Summary and Outlook.- References.- 4. Primary Batteries-Introduction.- 1. General Features.- 2. Classification of Primary Cells and Batteries.- 3. Some Properties of Cathodes, Anodes, and Electrolytes.- 4. Performances of Primary Cells.- References.- 5. Primary Batteries-Leclanché Systems.- 1. Introduction.- 2. Progress in Performance.- 3. Major Technical Changes.- 4. Chemical Reactions in the Cell.- 5. New Cells and Future Study Areas.- References.- 6. Primary Batteries-Alkaline Manganese Dioxide-ZincBatteries.- 1. Introduction.- 2. The History of the Alkaline MnO2-Zinc Cell.- 3. Electrochemistry of the Alkaline MnO2-Zinc System.- 4. Primary Alkaline MnO2-Zinc Cells.- 5. Secondary Alkaline MnO2-Zinc Cells.- References.- 7. Primary Batteries-Sealed Mercurial Cathode Dry Cells.- 1. Introduction.- 2. Cell Structures.- 3. Cell Discharge Characteristics.- 4. Internal Resistance of the Zn-HgO Cell during Discharge.- 5. Mercury Voltage Reference Cell.- 6. Rechargeable HgO Cells.- 7. Zinc Mercuric Dioxysulfate Cell.- 8. Cell Structures for Zinc-Mercuric Dioxysulfate Cells.- Suggested Reading.- 8. Primary Batteries-Lithium Batteries.- 1. Introduction.- 2. Solid Cathode Cells.- 3. Liquid Cathode Cells.- 4. Summary and Future Possibilities.- References.- 9. Primary Batteries-Solid Electrolytes.- 1. Introduction.- 2. Conduction Mechanisms in Solid Electrolytes.- 3. Interface Effects in Solid Electrolyte Cells.- 4. Silver-Ion-Conducting Electrolyte Batteries.- 5. Lithium Iodide Electrolyte Batteries.- 6. Beta-Alumina Electrolyte Batteries.- Selected Reading.- References.- 10. Secondary Batteries-Introduction.- 1. Classification, General Features, and Intercomparisons.- 2. New Ambient Temperature Batteries.- References.- 11. Secondary Batteries-New Batteries: High Temperature.- 1. Introduction.- 2. Cells with Solid Electrolytes.- 3. Cells with Molten-Salt Electrolytes.- 4. Conclusions.- References.- 12. Secondary Batteries-Lead-Acid Batteries.- 1. History.- 2. General Theory.- 3. The Actual Appearance of Lead-Acid Batteries.- 13. Secondary Batteries-Nickel-Cadmium Battery.- 1. Introduction.- 2. Thermodynamics and Kinetics.- 3. Materials, Electrodes, and Cells.- 4. Technical Performance.- 5. Application.- References.- 14. Secondary Batteries-Silver-Zinc Battery.-1. Introduction.- 2. Thermodynamics and Kinetics.- 3. Electrodes and Cells.- 4. Technical Performance.- 5. Application.- References.- 15. Electrochemical Power for Transportation.- 1. Introduction.- 2. Electric Transportation Vehicles.- 3. Electrochemical Power Source Requirements.- 4. Identification of Candidate Power Sources for Electric Vehicles.- 5. Electrochemical Power Source Technology.- 6. Summary and Concluding Remarks.- References.- 16. A Hydrogen Economy.- 1. History.- 2. Hydrogen Economy and the Time Scale.- 3. Three Possible Energy Futures during the Coming Century.- 4. A Solar-Hydrogen Economy.- 5. The Necessity of Beginning the Development of a Hydrogen Economy Several Decades before the Ending of the Fossil Fuel Supply.- 6. The Relationship of Hydrogen to Coal.- 7. The Method of Obtaining Hydrogen on a Massive Scale.- 8. The Manufacture of Hydrogen from Solar Energy.- 9. Methods of Decomposing Water.- 10. Electrochemical Decomposition of Water.- 11. Decomposition of Water by Light.- 12. Hydrogen at High Temperatures.- 13. The Cost Aspect of the Production of Hydrogen.- 14. Applications of a Hydrogen Economy.- 15. Storage of Energy.- 16. Safety Aspects of Hydrogen as a Fuel.- 17. The Hydrogen Economy as the Cheapest Economy.- 18. Electrochemical Technology from Hydrogen Economy.- References.