The lithium thionyl chloride (Li SOCL2) battery is the one with the highest specific energy in the practical application battery series, which is non-rechargeable, and the specific energy can reach 590W·h kg and 1100 (watt-hours per cubic decimeter). This highest specific energy value is obtained by large-capacity and low-discharge rate batteries. LI SOCl2 batteries are manufactured in a wide variety of sizes and configurations, with capacities ranging from cylindrical carbon-clad and coiled electrode structure cells as low as 400mAh, to prismatic cells up to 10,000Ah and many special sizes and configurations to meet special requirements. The Li SOCl2 system originally had safety and voltage lag problems, among which the safety problems were particularly easy to occur when the battery was discharged at high discharge rate and overdischarged, while the voltage lag phenomenon obviously occurred when the battery continued to be discharged at low temperature after high temperature storage. Therefore, in the application scenario, there will be many scenarios such as water meters, electricity meters, and trackers that require long battery life. More voltage and capacity options can be achieved by paralleling:
It can also be combined with supercapacitors and solar panels to achieve long-term endurance (capacitors for short-term high-current discharge, solar panels for power supply, batteries as a backup in the absence of solar energy, batteries and capacitors in parallel, with a one-way diode in the middle).