Flexible Battery Market Size and Forecast (2022 - 2031): Global and Regional Share, Trends, and Growth Opportunity Analysis by Type (Thin-film Batteries, Printed Batteries, Curved Batteries, and Stretchable Batteries), by Capacity (Below 10 mAh, 10 mAh to 100 mAh, and Above 100 mAh), by Rechargeability (Primary (Non-Rechargeable) and Secondary (Rechargeable)), by Application (Wearable Devices, Medical Devices, Smart Packaging, Consumer Electronics, and Others), and by Technology (Printed Battery Technology, Solid-State Battery Technology, Lithium-Polymer Battery Technology, and Others), and by Region (North America, Europe, Asia-Pacific, Latin America, and Middle East & Africa)