NiMH Battery

Low-Discharge Batteries

AA Maha Imedion Super Low Discharge Batteries

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How MAHA reduced the self-discharge of NiMH Batteries.

Modern Ni-MH batteries consist of two metal stripes ( anode and cathode ), which are separated by a non-conductive porous plastic foil ( separator ). These three stripes are laid on top of each other and are winded to a coil. This coil is put in a metal can and immersed with a liquid ( electrolyte ). Then the metal can is closed with a cap. The self discharge of Ni-MH batteries is caused by three main reasons:

* the chemical decomposition of the cathode,
* the natural disaggregation of the anode,
* Impurities of the anode.