الجداول المحوريه والرسوم البيانيه - Pivot Tables

In an era where clean energy, electric mobility, and digital connectivity are transforming the global landscape, battery technology stands at the center of innovation. Batteries are no longer just power sources for small electronics — they are key enablers of the energy transition, supporting electric vehicles (EVs), renewable energy storage, and off-grid solutions. As demand for reliable, efficient, and environmentally friendly power sources grows, batteries are becoming the backbone of a more electrified and sustainable world. The Evolution of Battery Technology Batteries have come a long way since Alessandro Volta’s invention in 1800. From lead-acid batteries used in cars to today's high-performance lithium-ion (Li-ion) batteries powering smartphones and EVs, advances in chemistry and engineering have driven massive improvements in energy density, rechargeability, and lifespan. Key types of modern batteries include: Lithium-Ion Batteries: Dominating the consumer electronics and EV sectors due to their high energy density and efficiency. Solid-State Batteries: Off…