LTC and PulsesPlus™ Batteries

Li-SOCl₂ is a primary cell technology with:

• Nominal voltage of approx. 3.6 V
• Very high energy density
• Svært lav selvutlading (typisk <1 % per år ved 20 °C)
• Stable long-term performance

The inorganic electrolyte provides long storage time and makes the cells suitable for applications with very long service life and low power consumption.

Li-SOCl₂ cells form a passivation layer on the lithium anode during storage or at low load. This contributes to low self-discharge, but can cause a temporary voltage drop when first loaded after a long period of rest.

For applications with periodic higher loads, the load profile should be carefully analyzed – and possibly combined with PulsesPlus™ technology.

Standard LTC cells are optimized for low and stable load (μA–mA).

Applications such as GSM, LTE, NB-IoT, and wireless transmitters, on the other hand, require high current pulses. PulsesPlus™ combines a Li-SOCl₂ cell with a hybrid layer capacitor (HLC) that handles the pulse load without voltage collapse and without significantly reducing the service life.

The right choice of cell depends on:

• Average power consumption
• Pulse current (amplitude and duration)
• Duty cycle
• Minimum permissible system voltage
• Temperature profile

Incorrect dimensioning can lead to voltage drops even if the nominal capacity (Ah) appears to be sufficient. We always recommend load profile analysis before specification.