The core technologies of residential energy storage products are dominated by electrochemical energy storage technologies, with mainstream and potential technical routes as follows:
Lithium Iron Phosphate (LFP) Battery Technology: It is the most commercially mature technology, boasting core advantages such as low cost, excellent thermal stability (high safety), and long cycle life (over 8,000 cycles). It is well-suited for common residential energy storage capacities ranging from 5 to 20 kWh, making it the mainstream choice in the global residential energy storage market (for instance, it accounts for 85% of the European residential energy storage market).
Sodium-ion Battery Technology: It is in the commercialization transition stage. Featuring abundant sodium resources, great cost-reduction potential, and outstanding low-temperature performance (with a discharge efficiency of 85% at -20℃), the current price of sodium-ion battery-based residential energy storage products is 15% lower than that of LFP battery-based ones. It is ideal for scenarios such as households in cold northern regions and rural areas, thus complementing lithium iron phosphate batteries.
