China's High Energy Digital raises $15M Series B for solid-state battery gear
What's the deal? High Energy Digital ManufacturingDealroom has a profile for this one. Try Dealroom →, a Chinese developer of 3D-printing technology for batteries, has raised US$13.8M in a Series B round. Guangjin Fund, Hongqi Investment, and Shaanxi Finance Investment backed the round, announced in November 2026.
What's the endgame? The company builds digital manufacturing solutions for battery makers, using 3D printing to produce safer, higher-performance cells. It developed its own slurry extrusion lamination (SEL) additive manufacturing technique, which it says allows low-cost, efficient production of complex battery shapes with unique 3D structures.
What's the money for? The funds will go toward mass production of integrated manufacturing equipment for all-solid-state batteries and the construction of a pilot platform. That targets the equipment gap as the sector moves from R&D into trial production.
Why now? The raise comes about a year after the company closed its A and A+ rounds in December 2025, signalling continued investor appetite for solid-state battery manufacturing tools. Equipment and production-line construction has been accelerating across the industry.
Recent milestones include the first phase of a Kunshan project tied to QingTao and SAICDealroom has a profile for this one. Try Dealroom → entering production, and Tinci Materials starting trial runs on a 100-tonne-scale sulphide solid electrolyte pilot line.
What could go wrong? The funding does not prove High Energy Digital has secured bulk equipment orders or commercialised its technology. Industrialisation remains unproven: CATL still expects all-solid-state batteries to reach small-scale production around 2027.
The signal: Capital is flowing into the picks-and-shovels layer of solid-state batteries, where manufacturing equipment is the bottleneck between lab breakthroughs and real production lines. The pace of factory and pilot-line construction is quickening — but the industry still has to show the technology can scale.
Read more: itjuzi.com
Image credit: Generated with Gemini
