Application fields of wearable energy storage devices

What are wearable energy storage devices?

Wearable energy storage devices are an emerging technology designed to power the rapidly growing market of wearable electronics, including smartwatches, fitness trackers, smart clothing, and medical monitoring devices. These devices primarily include flexible batteries, supercapacitors, and hybrid energy storage systems.

Why do we need flexible energy storage devices?

To achieve complete and independent wearable devices, it is vital to develop flexible energy storage devices. New-generation flexible electronic devices require flexible and reliable power sources with high energy density, long cycle life, excellent rate capability, and compatible electrolytes and separators.

How can wearable energy storage devices improve performance?

Therefore, comprehensively understanding and optimizing energy density, power density, cycle life, and mechanical properties like stretchability and flexibility are crucial for improving the overall performance and applicability of wearable energy storage devices.

What is integrated wearable technology?

The design of integrated wearable systems allows solar cells to power electronic devices under illumination and store excess energy in batteries or supercapacitors . This integration ensures that wearable devices can operate continuously, even during periods of low sunlight.

What factors influence wearable energy systems?

• Flexible supercapacitors, lithium-ion batteries, solar cells, TENGs and other devices are systematically introduced. • Factors influencing wearable energy devices including energy density, power density, and durability are analyzed. • Future perspectives in wearable energy systems are explored, particularly emphasis on the role of AI and LLMs.

What is a wearable energy system?

Fig.6 shows the wearable energy system consisting of wearables and the distributed energy harvesting system while a person is working indoors. It is assumed that a person works in a smart seat, and wears smart clothing, smart glasses, wireless headphones, and a smart watch.