The semi solid state battery bridges today's manufacturing reality with tomorrow's energy demands — deployable now, on existing production lines, at a fraction of full solid-state cost.
20+
Years Experience
50+
Export Countries
500+
Product Types
100M+
Pieces / Year
What It Is
Full solid-state batteries promise revolutionary performance — but they require entirely new manufacturing infrastructure, exotic materials, and precision processes not yet ready for mass production.
The semi solid state battery takes a smarter path. It replaces the bulk of the liquid electrolyte with a semi-solid or gel electrolyte, capturing most of the safety and energy benefits while remaining manufacturable on today's production lines.
The electrolyte is partially solidified — gel-like, not fully liquid and not fully solid. This gives stability without the manufacturing complexity of all-solid-state cells.
Semi solid battery manufacturing is compatible with existing lithium-ion equipment. Factories can retool in months, not years.
By reducing liquid electrolyte volume, semi solid cells pack more active material per unit, reaching 280–350 Wh/kg at cell level.
Less liquid electrolyte means dramatically lower flammability risk and better thermal stability — reducing the risk of thermal runaway.
Comparison
Compared to conventional liquid lithium-ion and next-generation full solid-state cells across the metrics that matter most for EV deployment.
Products
UN 38.3
Transport safety
IEC 62133
Safety requirements
UL 1642
Lithium batteries
CE
European conformity
RoHS
Hazardous substance
ISO 9001
Quality management
IATF 16949
Automotive quality
Balanced pouch-cell platform for EV packs, UAV prototypes, and premium power systems where energy density and manufacturability both matter.
Specifications
Higher-capacity pouch cell for long-range EV architecture and pack programs that need more usable energy from the same footprint.
Specifications
High-cycle prismatic platform for storage cabinets, industrial mobility, and equipment programs that favor stable thermal behavior over extreme packaging density.
Specifications
21700-format semi solid cell built for portable equipment and OEM battery packs that need a familiar mechanical format with stronger energy density.
Specifications
Why EVs First
The gap between full solid-state promises and actual EV deployment is where semi solid technology wins — every time.
Semi solid cells are produced on adapted versions of standard lithium-ion lines. No exotic solid electrolyte deposition. No dry-room-level humidity control across the whole factory.
Manufacturing costs track closely with conventional Li-Ion, so semi solid batteries can reach price parity at similar production volumes — something full solid-state cannot match until at least 2030.
Higher cell-level energy density (280–350 Wh/kg) means more range for the same pack weight, or the same range with a lighter and cheaper pack.
Semi solid cells have passed automotive-grade abuse testing. Nail penetration, overcharge, and thermal shock results consistently outperform conventional liquid lithium-ion.
Full solid-state timelines remain 2028–2032 for mass EV use. Semi solid batteries are in production today — the technology is available now, not in a decade.
Semi solid battery supply chains leverage existing cathode, anode, and cell materials. No proprietary solid electrolyte bottlenecks that could constrain global ramp-up.
Leadership
Fan Yan has spent his entire career inside the battery industry — from cell chemistry and production engineering to the semi-solid electrolyte technology that underpins every ANT Battery product.
Co-Founder — Manufacturing & R&D
Fan Yan has more than 18 years of hands-on experience in lithium battery cell manufacturing and product development, with a focus on the transition from conventional liquid electrolyte chemistry toward semi-solid and next-generation formulations. He led the engineering work that adapted existing lithium-ion production infrastructure to handle semi-solid gel-phase electrolyte at commercial volumes — the technical breakthrough that makes ANT Battery cells deployable today rather than in a decade. His background spans formation cycling, cell balancing, long-term degradation analysis, and process optimisation across pouch, prismatic, and cylindrical cell formats. At ANT Battery, Yan oversees production engineering, quality control systems, and the ongoing R&D program focused on improving energy density and cycle life in the semi-solid lineup.
FAQ
Blog
Solid-state batteries are expensive for a simple reason: the industry is still paying pilot-line prices for a technology that wants gigafactory economics. Materials matter, but yield, interface control, pressure management, and low-volume production matter even more.
Read articleLFP wins on safety, cycle life, and cost today. NMC wins on energy density and range today. Solid-state wins on paper and is still climbing out of the pilot line. This guide compares all three on the numbers that actually decide a battery program in 2026.
Read articleSolid state batteries can outlast conventional lithium-ion cells in lab conditions, but the gap depends heavily on electrolyte chemistry, cycling speed, and temperature. Here is what current data actually shows.
Read articleSolid state battery investment means choosing between pure-play startups with high upside and existential risk, or diversified exposure through auto OEMs and battery ETFs. Here is how to think through the options.
Read articleSolid state batteries are recyclable in principle, but the ceramic electrolytes and lithium metal anodes they use require different handling than conventional lithium-ion cells. Recycling infrastructure specific to solid state barely exists yet.
Read articleSolid state batteries can theoretically charge faster than lithium-ion because the electrolyte does not degrade under high charge rates. In practice, interface resistance limits speed today — but semi-solid designs are already demonstrating 4–6C charging in production vehicles.
Read articleThe June 2026 Li Auto L8 live test did more than produce a few impressive numbers. It showed how city range, highway range, fast charging, and charging-network density work together when an EV is judged by actual road use instead of a brochure headline.
Read articleA solid state battery works by moving lithium ions between the cathode and anode through a solid electrolyte instead of a liquid one. The hard part is not the basic electrochemistry. It is keeping transport fast, interfaces stable, and solid layers in contact while the cell cycles.
Read articleMost solid-state battery companies are still shipping samples, test cells, or development vehicles rather than retail EV packs. This guide separates real hardware shipments from prototype milestones and shows which names are actually moving physical batteries in 2026.
Read articleThe answer is the electrolyte. Conventional lithium-ion batteries use flammable liquid solvents that ignite under failure. Solid and semi-solid electrolytes eliminate or sharply reduce that fuel source. This guide covers the chemistry, the academic evidence, and why full solid-state batteries — despite their safety promise — remain absent from every purchasable vehicle as of 2026.
Read articlePrismatic battery cells are rechargeable cells built inside a rigid rectangular housing instead of a round can or flexible pouch. This guide explains the main prismatic battery types by chemistry, structure, and application so buyers can compare packaging efficiency, module design, and real-world use cases.
Read articleA pouch cell battery is a rechargeable cell sealed in a laminated foil pouch instead of a rigid metal can. This guide explains the main pouch cell battery types by chemistry, structure, and application so buyers can match format choices to real EV, drone, and portable power projects.
Read articleAs of June 5, 2026, no mass-produced customer vehicle sold in the US is confirmed to use a true all-solid-state battery. The real market story is a mix of prototypes in the US pipeline and faster semi-solid commercialization in China.
Read articleA solid state battery uses a solid electrolyte instead of the liquid electrolyte found in conventional lithium-ion cells. This guide explains what that means, why the technology matters, where the main advantages come from, and why commercialization still takes time.
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