WEARABLE TECHNOLOGY & BIOMETRICS


Building a Better Microbattery for Medical and Fitness Monitoring Devices


By Arvind Kamath, Vice President of Technology and Engineering, Ensurge Micropower


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new generation of connected health and    


        


Solving New Challenges                      


A Closer Look at Solid-State Lithium Microbattery Technology


    to   ×


36 APRIL 2023 | ELECTRONICS TODAY


F igure 1. Tests of Ensurge packaged microbattery samples show fast charging using constant voltage charging at 4.2 Volts (V)


 


               


          


Figure 3. Figure 3a. shows pulse discharge cycles of 6.4C for the solid-state lithium microbattery, from 4.2 V to 3.0 V. Figure 3b. illustrates the 6.4C discharge cycle across a battery capacity window of 0.55C to 0.65C. Tests were conducted using Ensurge pack- aged microbattery samples.





                    


Fi gure 2. Solid-state lithium microbattery cell-stacking architecture.


Ensurge Micropower www.ensurge.com


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