Printed Textile-Based Ag₂O-Zn Battery for Body Conformal Wearable Sensors

Area of Science:

• Materials Science
• Electrochemistry
• Wearable Technology

Background:

• Wearable electronics are crucial in healthcare, requiring integrated power sources.
• Textile-based batteries offer potential for body-conformal wearable sensors.
• Existing power solutions may lack flexibility and integration capabilities for advanced wearables.

Purpose of the Study:

• To demonstrate a novel 2D planar textile-based primary silver oxide-zinc battery.
• To investigate the feasibility of using stencil printing for fabricating textile batteries.
• To assess the performance of a body-conformal power source for wearable applications.

Main Methods:

• Fabrication of a 2D planar textile-based silver oxide-zinc battery using stencil printing.
• Utilizing a synthetic polyester woven fabric as the textile substrate.
• Employing polyethylene oxide as the separator material.

Main Results:

• Successful fabrication of a functional textile-based silver oxide-zinc battery.
• Achieved an areal capacity of 0.6 mAh/cm².
• Demonstrated performance with an active electrode area of 0.5 cm × 1 cm.

Conclusions:

• The developed textile battery is a viable power source for wearable electronics.
• Stencil printing is an effective method for creating integrated textile batteries.
• This technology contributes to the advancement of body-conformal wearable sensors for healthcare.