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What affects the rate of drain of high temperature lithium batteries downhole?

The operating temperature of a battery has a significant effect on the rate of depletion. Low temperatures reduce the ionic conductivity of the electrolyte and increase the internal resistance of the battery, which reduces the discharge capacity of the battery. High temperatures may improve ionic conductivity, but excessive temperatures may lead to battery capacity degradation and shorter life.

The peculiarities of the underground environment, such as high humidity, high temperature, the presence of flammable and explosive gases such as gas, as well as possible mechanical shocks and vibrations, can affect the rate at which the battery drains.

The natural discharge phenomenon of batteries in an unused state leads to a loss of capacity and affects the rate of battery drain.

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