Solid Oxide Fuel Cell Market by Type of Cell Design (Monolithic, Planar, and Tubular), Component (Balance of Plant, and Stack), Application (Portable (Military Soldier Power and Off Grid Consumer Devices), Stationary (Backup Power, Combined Heat & Power, and Prime Power), and Transportation (Auxiliary Power Units and Vehicle Power Trains)), End User, Geographical Regions, and Key Players - Trends and Forecasts 2026-2040