This book presents a detailed study of different approaches to synthesis for 2D Borophene, its peculiar properties, and its use in different applications such as energy storage, catalysis, hydrogen evolution reactions, supercapacitors, optoelectronics, sensors, diagnostics, bioimaging, drug delivery, cancer therapy, and various other practical applications. This book integrates and sets the evolving knowledge and approaches to utilizing Borophene as an alternative 2D nanomaterial for commercialization in real-life applications. The book covers emerging innovative topics of relevance to scientists, academicians, and innovators in the field of energy storage, sensing, optoelectronics, nanoelectronics, and biomedical applications for further research and development.