Planar Solid Oxide Fuel Cell Market Size and Forecast (2022 - 2031): Global and Regional Share, Trends, and Growth Opportunity Analysis by Type (Electrolyte Supported, Anode Supported, Metal Supported), by Power Rating (Less than 1 kW, 1 kW to 10 kW, More than 10 kW), by Application (Stationary, Transportation, Portable), by End-Use (Commercial, Industrial, Residential, Military), and by Region (North America, Europe, Asia-Pacific, Latin America, and Middle East & Africa)