Karima Mahmoud Bücher

The book examines the pivotal role of energy storage in combating climate change and facilitating the transition to clean energy grids. It emphasizes the importance of replacing fossil fuels with renewable sources like wind and solar, highlighting how storage solutions help maintain system balance despite variability in energy supply. The analysis presents six key conclusions, showcasing the rapid advancements in energy storage technology and its essential function in supporting renewable energy and green hydrogen production, ultimately contributing to deep de-carbonization efforts.

The book explores the transition to a decarbonized energy system, emphasizing the importance of reducing demand to cut fossil fuel use by 2030. It highlights the role of solar and wind energy in replacing coal, while electric vehicles and behavioral shifts significantly lower oil demand. Additionally, it discusses the critical need for increased production capacity of essential materials and technologies to meet net-zero goals, addressing efficiency improvements in industrial and building sectors as vital components of this transformation.

The book explores the concept of waste heat recovery, emphasizing its potential to save energy and reduce carbon emissions in urban settings. It identifies key sources of waste heat, including electrical generators, industrial processes, and heat loss from buildings, as well as contributions from transport fuels. The text discusses various applications for recovery, such as boiler combustion gases and refrigeration plants, and highlights practical uses for the recovered heat, including space and water heating, power generation, and enhancing efficiency in industrial processes.

Exploring the enigmatic concept of dark energy, this book delves into its role as the primary force behind the universe's accelerating expansion. Comprising 69.4% of the cosmos, dark energy is characterized as a gravitationally repulsive force, contrasting with ordinary and dark matter. The text examines its implications for the universe over the last 11 billion years, highlighting the ongoing mystery surrounding its true nature and the challenges physicists face in understanding this dominant yet elusive component of the universe.

Green hydrogen is produced using renewable or low-carbon energy sources, resulting in much lower carbon emissions compared to grey hydrogen from fossil fuels. It plays a crucial role in decarbonizing challenging sectors like cement and iron production, producing green ammonia for synthetic fertilizers, and serving as a solution for long-duration grid and seasonal energy storage. This innovative approach positions green hydrogen as a key player in the transition to sustainable energy systems.