18446348. ESTIMATING INTRINSIC RESISTANCE OF A COIN CELL BATTERY simplified abstract (QUALCOMM Incorporated)

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ESTIMATING INTRINSIC RESISTANCE OF A COIN CELL BATTERY

Organization Name

QUALCOMM Incorporated

Inventor(s)

Michael Aaron Zacharko of Landsdale (AU)

Derrick Chu Lin of Hillsborough CA (US)

Yau Chu of Milpitas CA (US)

ESTIMATING INTRINSIC RESISTANCE OF A COIN CELL BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18446348 titled 'ESTIMATING INTRINSIC RESISTANCE OF A COIN CELL BATTERY

Simplified Explanation

The patent application describes techniques and apparatus for determining the intrinsic resistance and/or battery life of a coin cell battery based on the recovery time of the battery voltage after a significant current draw event. Once this information is known, a device powered by the coin cell battery can take action to lengthen the battery's useful lifetime.

  • The patent application involves determining the intrinsic resistance and/or battery life of a coin cell battery by analyzing the recovery time of the battery voltage after a significant current draw event.
  • By performing operations with varying current draws and analyzing the recovery time of the battery voltage, the position of the battery in its lifetime can be estimated.
  • This information can be used by devices powered by coin cell batteries to optimize their operations and extend the battery's lifespan.
      1. Potential Applications
  • Consumer electronics powered by coin cell batteries, such as watches, calculators, and remote controls, could benefit from this technology to improve battery life.
  • Medical devices, sensors, and other IoT devices that rely on coin cell batteries could also use this technology to optimize power usage and extend battery lifespan.
      1. Problems Solved
  • Determining the intrinsic resistance and battery life of coin cell batteries can help prevent unexpected power failures in devices.
  • Optimizing the usage of coin cell batteries based on their recovery time can lead to cost savings and reduced environmental impact from battery disposal.
      1. Benefits
  • Extended battery life for devices powered by coin cell batteries.
  • Improved reliability and performance of devices by optimizing power usage.
  • Cost savings from reduced battery replacements and disposal.


Original Abstract Submitted

Techniques and apparatus for determining intrinsic resistance and/or battery life of a coin cell battery based on the recovery time of the battery voltage after a significant current draw event. Once the intrinsic resistance and/or battery life is known, a device powered by the coin cell battery can take action to lengthen the battery's useful lifetime. One example technique of operating a device powered by a battery generally includes performing an operation with a relatively high current draw from the battery compared to other operations of the device, determining a recovery time of a voltage of the battery after the operation, and estimating a position of the battery in a lifetime of the battery based on the recovery time.

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