Lithium thionyl chloride battery: low power consumption for up to 10 years
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The characteristics of low power consumption and low cost of wireless sensor networks determine that the batteries used must meet the characteristics of low power consumption and low cost. Recently, there has been a battery that can be used for 10 years in the case of extremely low power consumption. That is the lithium thionyl chloride battery.
It is understood that lithium thionyl chloride batteries belong to a very distinctive variety in all batteries. Its voltage is 3.6V. The positive electrode material is thionyl chloride (throchlorosulfoxide) and, at the same time, an electrolyte. This property makes its specific energy very high. It is currently the highest specific energy in lithium batteries. Due to its special chemical characteristics, passivation effect, its annual self-discharge current is less than 1%, and its storage life is more than 10 years. Moreover, the price of this battery is cheaper than energy harvesting equipment that uses heat, vibration and light energy to generate electricity. It is widely used in water meters, electricity meters, gas meters and as a power source for wireless sensor networks.