한국의ko Englishen françaisfr Deutschde русскийru españoles portuguêspt Türkçetr Polskipl ไทยth
블로그
/

블로그

2032 Cell Parts

July 22 , 2025

Xiamen Tmax Battery Equipments Limited was set up as a manufacturer in 1995, dealing with lithium battery equipments, technology, etc.  We have total manufacturing facilities of around 200000 square foot and more than 230 staff. Owning a group of experie-nced engineers and staffs, we can bring you not only reliable products and technology, but also excellent services and real value you will expect and enjoy.



2032 cell parts

A CR2032 is a common type of coin cell battery, specifically a lithium manganese dioxide battery. The designation "CR2032" provides information about its chemistry, size, and approximate capacity. Here's a breakdown of the parts that make up a CR2032 coin cell:

Key Components of a CR2032 Coin Cell

1. Cathode (Positive Electrode)
    Material: Manganese dioxide (MnO₂). This material is used for its stability and ability to provide a steady voltage.
    Function: Serves as the positive electrode where reduction reactions occur during discharge.

2. Anode (Negative Electrode)
    Material: Lithium metal. Lithium is chosen for its high energy density and low weight.
    Function: Acts as the negative electrode where oxidation occurs during discharge.

3. Electrolyte
    Material: Organic electrolyte, typically a solution of lithium perchlorate (LiClO₄) in an organic solvent like propylene carbonate (PC).
    Function: Facilitates ion movement between the anode and cathode, allowing the battery to produce electricity.

4. Separator
    Material: A porous membrane, usually made from a material like polyethylene or another polymer, which allows ions to pass through while preventing direct contact between the anode and cathode.

    Function: Prevents short circuits while enabling ionic conductivity.


Button Cell Cr2032


5. Can (Outer Shell)
    Material: Stainless steel.
    Function: The can houses all internal components and serves as the positive terminal of the battery.

6. Sealing Gasket/Insulator
    Material: Commonly made from nylon or polytetrafluoroethylene (PTFE), also known as Teflon.
    Function: Provides a seal to prevent electrolyte leakage and electrically insulates the top cover from the can.

7. Top Cover (Negative Terminal)
    Material: Nickelplated steel.
    Function: Forms the negative terminal of the battery and is sealed with the insulating gasket to ensure no leaks occur.

Dimensions and Specifications
 Diameter: Approximately 20 mm.
 Height: Approximately 3.2 mm.
 Nominal Voltage: 3V.
 Capacity: Typically around 225235 mAh, depending on the manufacturer and specific model.

These components work together to provide reliable power in a compact form factor suitable for miniature devices such as watches, calculators, medical devices, and other lowpower electronics. The choice of materials ensures that the CR2032 offers stable performance, long shelf life, and resistance to leakage under normal operating conditions.


제품

접촉