Initially, IM Motors aimed to start deliveries of the L6 with this battery in October 2026. However, this variant of the car still hasn't entered the domestic market. In November 2024, IM Motors applied for the sales license of the semi-solid-state battery-equipped IM L6. IM L6 electric sedan. So, S Contact online >>
Initially, IM Motors aimed to start deliveries of the L6 with this battery in October 2026. However, this variant of the car still hasn''t entered the domestic market. In November 2024, IM Motors applied for the sales license of the semi-solid-state battery-equipped IM L6. IM L6 electric sedan. So, SAIC slowly enters the semi-solid-state
BYD subsidiary FinDreams Battery, CATL, CALB, EVE Energy, Gotion High-Tech, and SVOLT have formed a consortium called China All-Solid-State Battery Collaborative Innovation Platform (CASIP) to develop and manufacture solid-state batteries and create their supply chain.
Battery sector information provider Gaogong Industry Institute said new production capacity for solid-state batteries surpassed 142 gigawatt-hours from January to July, with total investment exceeding 64.4 billion yuan ($9 billion).
Experts said solid-state batteries offer key advantages over current mainstream liquid batteries, including higher safety and greater energy density, which align with the increasing requirements for safety and mileage from electric vehicle users.
CATL said recently that it is increasing investment in solid-state batteries, aiming to achieve small-scale production by 2027. Sunwoda said in June that its solid-state battery division — which has been in development since 2015 — is working on the first generation of 400 watt-hours per kilogram and the second generation of 500Wh/kg solid-state batteries.
In May, Gotion High-Tech unveiled its new battery, which uses solid-state battery tech to achieve a cell energy density of 350Wh/kg — over 40 percent higher than traditional liquid ternary lithium batteries. Other domestic firms like CALB Group and EVE Energy have also announced plans for solid-state battery products.
Experts said that large-scale mass production of solid-state batteries remains out of reach in the short term due to various technical limitations. High costs also pose a significant hurdle to the large-scale industrialization of solid-state batteries.
According to a research report from the CITIC Securities, currently, the total cost of oxide and sulfide semisolid batteries is approximately 0.76 yuan/Wh and 0.86 yuan/Wh, respectively — significantly higher than that of liquid lithium-ion batteries. Future cost reductions will require further research investment and scaled production.
Notably, a workstation of Ouyang Minggao, an academician at the Chinese Academy of Sciences, made significant progress in developing sulfide electrolytes — a key material in solid-state batteries.
The nano-scale sulfide electrolyte developed in the workstation is nearing mass production, with a pilot production line with an annual capacity of hundreds of metric tons expected to begin construction by the end of this year. If successful, a 1,000-ton production line will be established before 2026.
Ouyang said the industrialization of solid-state batteries still faces a series of scientific challenges that need to be addressed at various levels including key materials and composite electrodes.
Chen Jun, an academician at the CAS, said that the industrialization of solid-state batteries would revolutionize the EV industry and open up new markets such as electric aviation, which will be a globally significant technological breakthrough.
"In the next one to two years, we aim to make breakthroughs in the research and development of the 600Wh/kg solid-state battery, enabling EVs to travel over 1,000 kilometers on a single charge," Chen said.
"Although there are currently solid-state battery samples, industrialization of solid-state batteries remains challenging due to high costs. There are many other challenges related to the stability of solid electrolytes, interfacial reactions and system integration," he added.
Chinese electric vehicle makers are rapidly adopting solid-state batteries in their latest models, with industry experts anticipating full use of this superior solution for the next generation of batteries by 2030.
SAIC''s electric marque, IM Motors, started presales of the L6 sedan last week, highlighting its so-called super-fast charging solid-state battery. Sedans with the battery will be priced below 330,000 yuan ($45,600), the carmaker announced.
The battery in the L6 is technically a semi-solid-state one, integrating both liquid and solid electrolytes. Supplied by Qingtao Energy Development, a solid-state lithium battery provider backed by SAIC, the battery operates at a maximum of 900 volts, enabling the L6 to achieve a peak charging power of 400 kilowatts, enough for 400 kilometers in 12 minutes.
CITIC Securities commented after the launch that the L6 could potentially usher in an era of affordable semi-solid-state batteries. As semi-solid-state batteries become widely used, it is anticipated that top solid-state battery manufacturers and the industry chain will benefit.
Li Zheng, general manager of Qingtao Energy, outlined their solid-state battery''s industrialization process in three steps. There is the first generation, termed the semisolid-state battery, which is currently installed and mass-produced on the IM L6. Following this is the second generation of solid-state battery, projected to be developed by 2025. The ultimate goal is to achieve the third generation, the fully solid-state battery, although Li did not specify a time frame.
Switching from liquid to solid-state electrolytes offer benefits like increased battery energy density, as solids have higher density and smaller volume compared to liquids; enhanced safety by reducing fire risks and improving puncture resistance; and extending battery life span by minimizing degradation during charge-discharge cycles.
Ouyang Minggao, an academician of the Chinese Academy of Sciences, forecasted at a solid-state battery conference in January that fully solid-state batteries will achieve industrialization by 2030.
Ouyang said that fully solid-state batteries are widely acknowledged as a preferred solution for the next generation of batteries and represent a crucial strategic advantage in the competition for next-generation battery technologies.
With such prospects, automakers continue to put efforts into the field. GAC Aion''s premium marque, Hyper, launched a fully solid-state battery on Friday, saying that the battery utilizes 100 percent solid-state electrolytes, featuring ultrahigh energy density, inherent safety and a broad operating temperature range. The automaker said it has transitioned from laboratory testing to mass production.
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