


The Welion semi-solid battery performs outstandingly in core parameters such as energy density and cycle life. The latest technological research and development is continuously advancing, and its hybrid solid-liquid electrolyte technology combines the advantages of safety and high energy density.
1、. Core Parameters of Weilan Semi-solid Battery
1). Energy density : The second-generation semi-solid battery in the passenger vehicle field reaches 350Wh/kg, and the energy density of the 314Ah model in the energy storage field is 180Wh/kg.
2). Cycle life : Passenger vehicle batteries support over 1,000 charge and discharge cycles (corresponding to a range of 1,000 km), energy storage batteries have a cycle life of over 6,000 times, and the thermal runaway trigger time is extended by more than 40%.
2、 Breakthroughs in Weilan Semi-solid Battery Technology
1). Mass production progress : The first phase of the high-performance solid-state battery project (0.2GWh) is expected to be trial-produced in 2026, with a focus on the low-altitude power and new energy vehicle sectors.
2). Research and development planning :
The target energy density of the next-generation product is 500Wh/kg, and it is planned to achieve small-scale mass production of all-solid-state batteries in 2027.
3、 Working Principle and Industry Advantages of Weilan Semi-solid Batteries
1). Technical principle : By using oxide composite solid electrolyte and a small amount of liquid electrolyte (accounting for 5%-10%), the interface contact performance is enhanced through in-situ curing technology, featuring both high ionic conductivity and safety.
2). Industry competitiveness : Compared with traditional liquid batteries, the energy density is increased by more than 40%. Compared with all-solid-state batteries, the cost is reduced by 50% to 75%, and it is compatible with the existing lithium battery production process.
