How Does a 13000mAh Li-SOCl2 Battery Work?

Goto SUNJ ENERGY to know more.

With competitive price and timely delivery, SUNJ ENERGY sincerely hope to be your supplier and partner.

Understanding the Basics of Li-SOCl2 Batteries

A Lithium Thionyl Chloride (Li-SOCl2) battery is a widely used primary battery, known for its high energy density and long shelf life. Here’s how a 13,000mAh Li-SOCl2 battery works:

1. Composition of the Battery:
   • The anode is made of lithium (Li).
   • The cathode is made of thionyl chloride (SOCl2).
   • The electrolyte typically comprises lithium salt dissolved in the thionyl chloride.
2. Electrochemical Reaction:
   • During discharge, lithium ions (Li+) move from the anode to the cathode through the electrolyte.
   • The thionyl chloride undergoes a reduction reaction, producing lithium chloride (LiCl) and releasing energy.
   • The overall reaction can be summarized as: 2Li + SOCl2 → LiCl + LiSOCl.
3. Energy Density:
   • Li-SOCl2 batteries have one of the highest energy densities among other lithium batteries, often exceeding 500 Wh/kg.
   • This makes them ideal for applications that require compact energy storage.
4. Voltage Characteristics:
   • The nominal voltage of a Li-SOCl2 battery typically ranges from 2.0V to 3.6V.
   • The voltage remains relatively stable during most of the discharge cycle, which is beneficial for devices requiring consistent voltage levels.
5. Temperature Range:
   • These batteries can operate in extreme temperatures, often from -55°C to +85°C.
   • They are suitable for both low-temperature and high-temperature applications.
6. Self-Discharge Rate:
   • Li-SOCl2 batteries have a very low self-discharge rate, often around 1% per year.
   • This property allows them to be stored for long periods without losing significant capacity.
7. Applications:
   • Commonly used in military and aerospace applications due to their reliability.
   • They are also used in various consumer electronics and medical devices.
   • The long life and high energy density make them suitable for remote sensing equipment and data loggers.

Advantages and Limitations

1. Advantages:
   • High energy density and excellent shelf-life.
   • Wide operational temperature range.
   • Low self-discharge rate increases reliability.
2. Limitations:
   • They are non-rechargeable, so they must be replaced once depleted.
   • Potential safety concerns due to the volatile nature of thionyl chloride if not handled properly.

In summary, a 13,000mAh Li-SOCl2 battery primarily works through the movement of lithium ions and an electrochemical reaction involving thionyl chloride. Its unique properties make it suited for various high-demand applications.

Read more

View Details