Beijing unveiled a sweeping five‑year battery strategy that places all‑solid‑state (ASS) technology at the centre of China’s energy transition agenda. The plan, released on September 28, 2026, sets a national target of 10 gigawatts (GW) of ASS battery production capacity by 2030, a figure that would dwarf the current global output of solid‑state cells, which sits at roughly 0.5 GW according to industry estimates.

The roadmap outlines three pillars: research acceleration, industrial scaling, and market incentives. On the research front, the government will channel ¥15 billion (≈ $2.2 billion) into university‑industry joint labs focused on sulfide, oxide, and polymer solid electrolytes, with a particular emphasis on high‑ionic‑conductivity garnet‑type ceramics such as LLZO and argyrodite‑based compounds.

Industrial scaling is addressed through a “Fast‑Track” subsidy scheme that offers up to ¥1,200 per kilowatt‑hour (kWh) of ASS cell capacity for manufacturers that meet predefined safety and performance benchmarks—namely, a minimum energy density of 500 Wh kg⁻¹ and a cycle life exceeding 1,000 cycles at 80 % depth‑of‑discharge. The subsidies are tiered, with higher rates for companies that adopt dry‑electrode manufacturing processes, a technique that eliminates the need for solvent‑based slurry coating and promises lower production costs and higher throughput.

The plan also earmarks ¥8 billion for pilot projects that integrate ASS batteries into grid‑scale storage, electric public transport, and aviation applications. Notably, the Ministry of Industry and Information Technology (MIIT) has signed a memorandum of understanding with QuantumScape and Solid Power to establish joint demonstration plants in the provinces of Jiangsu and Sichuan, respectively.

Why does this matter for solid‑state commercialization? First, the sheer scale of funding and the clear policy signals reduce investment risk for both domestic start‑ups and foreign players, encouraging capital inflows that have been hesitant due to the technology’s historically high cost and manufacturing complexity. Second, the focus on dry‑electrode processes could solve one of the biggest bottlenecks—solvent recovery and electrode drying—thereby cutting production energy use by an estimated 30 % and improving yield. Third, the integration targets (grid storage, buses, aircraft) align with China’s broader decarbonization goals, creating immediate demand pull for high‑energy‑density, safe batteries that can operate at higher voltages without the thermal runaway risks of conventional lithium‑ion chemistries.

Analysts see the plan as a catalyst that could bring ASS batteries from niche laboratory prototypes to mass‑market products within the next decade. If the 10 GW target is met, solid‑state cells could capture 15‑20 % of China’s total battery market by 2035, reshaping the global supply chain and potentially setting new safety and performance standards for the industry.

Sources: China unveils 5‑year battery plan targeting large‑scale all‑solid‑state use by 2030.