Solid-State Battery Cell Design Patent Landscape 2026
Solid-State Battery Cell Design Patent Landscape in 2026
The solid-state battery cell design patent corpus is nascent and highly concentrated, with just two filers holding all families on record. Activity is in a growth stage, with meaningful filing bursts in 2020 and 2024 and the most recent period likely understated by publication lag.
Two filers dominate an early-stage, US-anchored corpus
TYFAST leads the
The top five filers hold 100% of the combined total among the hundred largest filers, indicating extreme concentration with no mid-tier presence yet visible. The gap between the leader and the only other filer is narrow in absolute terms but represents a 50% advantage.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | TYFAST | 3 | |
| 2 | Uchicago Argonne LLC | 2 |
TYFAST’s position as a new entrant with the largest filing block signals an aggressive initial staking of IP territory. Uchicago Argonne LLC, a DOE-affiliated research organization, brings a complementary research-institution angle to the field.
The most recent filing periods should be interpreted cautiously, as patent applications typically take 18–24 months to publish and will add to visible counts retrospectively. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Sporadic but accelerating filings dominated by battery and electrode classes
Filing activity is uneven across years, with notable bursts in 2020 and 2024. The technology composition is tightly focused on core battery classes with a minor adjacent signal in metal compounds.
Annual filing trend
Two distinct filing clusters appear — 2 families in 2020 and 3 families in 2024 — with no activity in intervening years. The 2024 cluster is the largest on record and likely understated due to publication lag; treat zero counts in 2025–2026 as artifacts of that lag rather than a pause in activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
All 5 patent families carry the H01M class covering batteries, cells, and fuel cells, confirming tight focus on core electrochemical cell design. A single family extends into C01G (compounds of other metals), suggesting early exploration of novel cathode or electrolyte materials at the inorganic chemistry interface.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Interface design for high current density cycling …
Solid-state batteries offer improved safety and the high-energy-density capabilities required for next generation demands of electric vehicles. Disclosed is a method for fabricating high-current-density solid-state batteries, and the associated device structures and systems. The method of fabrication includes purifying surfaces of a solid electrolyte… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Interface design for high current density cycling … | 4 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the structure means for R&D positioning
With only 5 patent families and 2 active filers, this landscape offers unusually wide freedom to operate but also signals that defensible IP positions can still be established at relatively low cost.
Growth stage with filings still rising
The lifecycle is classified as Growth, with annual filings still rising and the most recent years understated by publication lag. The field has not yet reached a peak, making this an early window for establishing foundational IP. Entrants filing now may secure broad claims before the corpus densifies.
Growth stageExtreme concentration among just two filers
The top five filers account for 100% of the combined total among the hundred largest filers, and in practice only two applicants are present. This is characteristic of a pre-commercial or early-commercial technology where a handful of pioneers have staked initial claims. Any new entrant would face limited blocking risk today but should monitor TYFAST and Uchicago Argonne LLC filings closely as the corpus grows.
Highly concentratedNo co-applicant activity detected
The collaboration evidence shows no co-filed patents between applicants in this corpus. TYFAST and Uchicago Argonne LLC appear to be filing independently. This absence of consortium or joint-development agreements leaves the ecosystem open for partnership formation, which could accelerate technology development and shared IP portfolios.
No co-filersUS-dominant filing with limited PCT reach
Four of five patent records are filed in the United States, with one additional filing via WIPO PCT. The near-exclusive US focus means international IP protection in key markets such as Europe, Japan, South Korea, and China is largely absent. This creates both a risk for current holders and an opportunity for competitors to file in unprotected jurisdictions.
US-centricGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
Co-filing pairs, ranked by the number of jointly-filed patent families.
TYFAST leads; Uchicago Argonne LLC anchors the research tier
Only two applicants appear in the ranked corpus. TYFAST holds the larger block as a new entrant; Uchicago Argonne LLC contributes from a national-laboratory research base.
TYFAST
TYFAST holds 3 patent families, all filed in 2024, and is classified as a new entrant with an upward momentum trajectory. Its technology emphasis spans both H01M 10 (electrochemical cells) and H01M 4 (electrodes), with one filing extending into C01G 31 (molybdenum and related metal compounds), suggesting materials-level innovation alongside cell architecture work.
families: 3Uchicago Argonne LLC
Uchicago Argonne LLC holds 2 patent families concentrated in H01M 10 and H01M 4, consistent with a research institution focused on foundational electrochemical cell and electrode science. The top-cited record in this corpus — covering interface design for high current density cycling — is associated with this filer, indicating early influence on the field’s technical direction.
families: 2| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| TYFAST | 3 | ▲ new entrant |
Under-served branches adjacent to core cell design
The corpus is dominated by H01M classes, leaving adjacent technical areas with sparse or no coverage. Two branches are worth monitoring given their plausible relevance to solid-state cell design.
C01G · Inorganic metal compounds for electrolyte and cathode materials
Only one patent record in the corpus carries a C01G classification, indicating that IP coverage of the inorganic chemistry underpinning solid-state electrolytes and cathode materials is sparse relative to the cell-level H01M filings. For teams working on sulfide, oxide, or halide solid electrolytes, this branch represents an adjacent area where foundational materials patents could be filed with limited blocking risk from current filers. The entry path is straightforward for groups with synthesis or characterization expertise.
Search this in Eureka →H01M · High current density interface engineering
The single top-cited record in this corpus focuses on interface design for high current density cycling, a sub-topic within H01M that appears underrepresented relative to its cited importance. Interface engineering — covering solid-solid contacts, interlayers, and stack pressure management — is a known commercialization bottleneck for solid-state cells. Teams with expertise in this area may find filing opportunities in specific interface geometries or fabrication methods not yet claimed.
Search this in Eureka →How TYFAST and Uchicago Argonne LLC differ by technology route
Strength of each leader across the main technology routes.
| Player | H01M 10 · Batteries, cells & fuel cells | H01M 4 · Batteries, cells & fuel cells | C01G 31 · Compounds of other metals |
|---|---|---|---|
| TYFAST | Strong · 3 | Strong · 3 | Moderate · 1 |
| Uchicago Argonne LLC | Strong · 2 | Strong · 2 | Absent |
Frequently asked questions
The current corpus contains 5 patent families. This is a nascent dataset and recent filings are likely understated due to the 18–24 month publication lag inherent to patent examination.
TYFAST leads with 3 patent families, followed by Uchicago Argonne LLC with 2 patent families. These are the only two applicants in the ranked corpus.
The field is classified as Growth stage, with annual filings still rising. The 2024 filing cluster is the largest on record, though it is likely understated by publication lag.
The United States is the primary jurisdiction, accounting for 4 of 5 patent records. One filing was made via WIPO PCT. Other major markets including Europe, Japan, South Korea, and China are not yet covered.
All 5 patent families fall under H01M (batteries, cells, and fuel cells). One family additionally covers C01G (compounds of other metals), reflecting early interest in inorganic materials relevant to solid electrolytes or cathodes.
No co-applicant filings have been detected. TYFAST and Uchicago Argonne LLC are filing independently, with no joint-development or consortium patents visible in the current corpus.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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