Hydrogen as a strategic energy carrier -- Role of hydrogen in industrial energy storage for power grids -- Safety in hydrogen-based applications -- Mobile applications -- Mobile aerospace applications -- Fuel cells in household power supplies -- Uninterruptible power supplies -- Security-relevant applications -- Portable fuel cells -- Uses of conventional and green hydrogen in the chemical industry -- Electrolysis methods -- Industrial electrolysis -- Costs of providing hydrogen for power supplies based on renewable energies -- Polymer electrolyte membrane fuel cells (PEFCs): state of the art and outlook.

This book introduces readers to hydrogen as an essential energy carrier for use with renewable sources of primary energy. It provides an overview of the state of the art, while also highlighting the developmental and market potential of hydrogen in the context of energy technologies; mobile, stationary and portable applications; uninterruptible power supplies; and in the chemical industry. Written by experienced practitioners, the book addresses the needs of engineers, chemists and business managers, as well as graduate students and researchers.