Solid-State Battery Anode Material Patent Landscape
Solid-State Battery Anode Material Patent Landscape in 2026
The solid-state battery anode material patent space is an early-growth field, with 21 patent families in scope and a fragmented applicant base in which no single entity holds a dominant position. China accounts for the overwhelming majority of filings, and recent-window growth of 133% signals accelerating inventor interest ahead of mainstream commercialization.
A fragmented, China-led field with no dominant incumbent
Kumoh National Institute of Technology Industrial Academic Cooperation Foundation leads the
The top five filers collectively account for 25% of the combined total across the hundred largest filers, confirming that the competitive landscape is highly dispersed. There is no discernible second tier; the gap between the leader and the rest is minimal.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Kumoh National Institute of Technology Industrial Academic Cooperation Foundation | 2 | |
| 2 | Guangdong Huichuang New Energy Co., Ltd. | 1 | |
| 3 | Chery Automobile Co., Ltd. | 1 | |
| 4 | Chengdu Dunwei New Metal Materials Co., Ltd. | 1 | |
| 5 | Firm-Lithium (Shanghai) Technology Co., Ltd. | 1 | |
| 6 | Guizhou Provincial Materials Industry Technology Research Institute | 1 | |
| 7 | Chenzhou Shangyì New Energy Co., Ltd. | 1 | |
| 8 | Zhengzhou Innobessen Energy Technology Co., Ltd. | 1 | |
| 9 | CALB Power (Changxing) Co., Ltd. | 1 | |
| 10 | Tangshan Guoxuan Battery Co., Ltd. | 1 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Chenjiang Laboratory | 1 | |
| 12 | Wuhan Institute of Marine Electric Propulsion (CSSC No. 712 Research Institute) | 1 | |
| 13 | Shanghai University | 1 | |
| 14 | Inner Mongolia University of Technology | 1 | |
| 15 | Jiangsu Hanqing Technology Research Institute Co., Ltd. | 1 | |
| 16 | Sichuan New Energy Vehicle Innovation Center Co., Ltd. | 1 | |
| 17 | Liu Xiaolei | 1 | |
| 18 | China FAW Co., Ltd. | 1 | |
| 19 | Chenzhou New Energy Battery Material Research Center | 1 | |
| 20 | SVOLT Energy Technology (Wuxi) Co., Ltd. | 1 |
This flat hierarchy means that a focused R&D program entering now faces relatively low incumbent blocking risk, but also that the field lacks the dense cross-licensing ecosystems typical of more mature battery chemistries.
Filings from the most recent 18–24 months are likely under-counted due to standard patent publication lag; the corpus should be treated as a floor, not a ceiling, for current activity levels. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Rapid recent acceleration anchored in battery cell IP
The annual filing trend reveals a field that was essentially dormant before 2021 and has since entered a growth phase, while the technology composition chart shows H01M (batteries, cells, and fuel cells) as the overwhelmingly dominant IPC class, with a supporting cluster of materials and nanotechnology branches.
Annual filing trend
Filings were zero from 2017 through 2020, then initiated in 2021 and have expanded markedly through the window, with a 133% recent-window growth rate. The spike visible in 2025 should be read with caution as the most recent 18–24 months are subject to publication lag and will grow as applications publish.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (batteries, cells, and fuel cells) covers all 21 patent families in the corpus, establishing it as the defining class. B82Y (nanotechnology applications) and C01B (non-metallic elements and inorganic compounds) form a secondary cluster, reflecting the nanomaterial and inorganic compound synthesis approaches prevalent in anode research. Powder metallurgy (B22F), alloys (C22C), and several other branches each appear at low frequency, signaling areas of relative sparsity.
↗ 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.
Method for preparing composite comprising binary t…
Provided is a method for preparing a binary tin compound/carbon/solid electrolyte composite, comprising the steps of: (a) applying a high mechanical energy to a mixture of a binary tin compound and a carbon-based material so as to prepare a binary tin compound/carbon composite in which a nanocrystalline binary tin compound is uniformly dispersed in the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种全固态电池负极材料的制备方法 | 2 |
| 2 | 一种固态电池负极材料及其制备方法和应用 | 1 |
| 3 | 一种Ag-C型复合材料及其制备固态电池负极材料的用途 | 1 |
| 4 | 一种固态电池负极材料检测装置 | 1 |
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 IP structure means for R&D investment decisions
Four structural observations — maturity, concentration, collaboration, and geography — collectively define the risk and opportunity profile for an R&D team evaluating entry into solid-state battery anode materials.
Growth stage: annual filings still rising from a near-zero base
The field is classified as Growth, with annual filings still rising and the 133% recent-window growth rate confirming the upward trajectory. The most recent years remain understated by publication lag. This lifecycle position means foundational anode composition and processing patents are still available to file, but the window for establishing broad claims is narrowing as more entrants arrive.
Growth stageHighly fragmented: no incumbent holds more than 2 families
The top five filers account for 25% of the combined total across the hundred largest filers, and the ranking leader holds only 2 patent families. No entity has established a portfolio large enough to credibly assert exclusivity across the anode material design space. For an R&D team, this means freedom-to-operate risk is low today but could escalate quickly if well-resourced players begin consolidating.
Low concentrationLocalized co-filing cluster around Chenzhou, China
The only observed co-filing activity links three Chenzhou-based entities: Chenjiang Laboratory, Chenzhou New Energy Battery Material Research Center, and Chenzhou Shangyì New Energy Co., each pairing appearing once. This tight geographic cluster suggests a regional innovation hub rather than a broad open-innovation ecosystem. No cross-border or cross-sector collaboration is evident in the current corpus.
Regional clusterChina dominates; PCT filings signal early international intent
China accounts for 19 of the patent records, with WIPO (PCT) accounting for 2. The near-total concentration in a single jurisdiction reflects both the location of active filers and the early-stage nature of the field, where applicants have not yet pursued broad multi-jurisdiction protection. PCT entries suggest at least some applicants are beginning to consider international coverage, which may widen as commercial stakes rise.
China-dominantGo 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.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Chenjiang Laboratory | Chenzhou New Energy Battery Material Research Center | 1 |
| Chenjiang Laboratory | Chenzhou Shangyì New Energy Co., Ltd. | 1 |
| Chenzhou New Energy Battery Material Research Center | Chenzhou Shangyì New Energy Co., Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Kumoh National Institute of Technology leads; all others are new entrants
The Every tracked applicant in the momentum data is flagged as a new entrant, indicating the field’s participant base is still forming.
Kumoh National Institute of Technology
Kumoh National Institute of Technology Industrial Academic Cooperation Foundation holds 2 patent families, the highest count in the corpus, with technology focus concentrated in H01M 10 and H01M 4 — core battery cell and electrode classes. Its momentum trend is flagged as a new entrant, consistent with first filings appearing in the recent window. As a Korean academic institution, it is the sole non-Chinese entity near the top of the ranking.
families: 2SVOLT Energy Technology (Wuxi)
SVOLT Energy Technology (Wuxi) Co., Ltd. holds 1 patent family with technology emphasis in H01M 10 and H01M 4, aligning with its position as an automotive battery manufacturer. Its momentum is flagged as a new entrant. As the commercial battery subsidiary of Great Wall Motor, SVOLT’s entry signals that established EV supply-chain players are beginning to stake IP positions in solid-state anode materials.
families: 1| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Kumoh National Institute of Technology Industrial Academic Cooperation Foundation | 2 | ▲ new entrant |
| Zhengzhou Innobessen Energy Technology Co., Ltd. | 1 | ▲ new entrant |
| Guizhou Provincial Materials Industry Technology Research Institute | 1 | ▲ new entrant |
| SVOLT Energy Technology (Wuxi) Co., Ltd. | 1 | ▲ new entrant |
| Wuhan Institute of Marine Electric Propulsion (CSSC No. 712 Research Institute) | 1 | ▲ new entrant |
Under-served branches adjacent to the dominant H01M core
Several IPC branches appear at very low frequency relative to the dominant H01M class, representing areas of relative sparsity. These observations are not validated commercial opportunities, but two branches have plausible technical relevance and realistic entry paths worth noting.
B22F · Powder metallurgy
Powder metallurgy appears in only 2 patent families, representing 5% of the corpus by IPC share. Given that many solid-state anode candidates — including lithium-metal composites and silicon-alloy powders — are fabricated via powder processing routes, the sparse coverage here suggests that process-IP around particle engineering and sintering conditions has not been systematically claimed. An entrant with expertise in powder compaction or controlled atmosphere sintering could file foundational process patents with limited direct competition in this branch.
Search this in Eureka →C22C · Alloys
Alloy compositions relevant to anode materials — such as lithium-indium, lithium-tin, or silicon-germanium alloys — appear in only 2 patent families, also at a 5% IPC share. Alloy anodes are a recognized route to suppressing lithium dendrite formation and improving interfacial stability with solid electrolytes, yet the compositional space is largely unclaimed in this corpus. Researchers focusing on binary or ternary anode alloy formulations would encounter few blocking patents based on current evidence.
Search this in Eureka →How leading applicants 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 | B82Y 30 · Nanotechnology applications | B82Y 40 · Nanotechnology applications | C01B 32 · Non-metallic elements & inorganic compounds |
|---|---|---|---|---|---|
| Kumoh National Institute of Technology Industrial Academic Cooperation Foundation | Strong · 2 | Strong · 2 | Absent | Absent | Absent |
| China FAW Co., Ltd. | Strong · 1 | Strong · 1 | Strong · 1 | Strong · 1 | Absent |
| Tianjin CALB Power Industrial Co., Ltd. | Strong · 1 | Strong · 1 | Strong · 1 | Strong · 1 | Absent |
| Shanghai University | Strong · 1 | Strong · 1 | Absent | Absent | Strong · 1 |
| China Nonferrous Metals (Guilin) Geology and Mining Co., Ltd. | Strong · 1 | Strong · 1 | Absent | Strong · 1 | Absent |
| Liu Xiaolei | Strong · 1 | Absent | Absent | Absent | Strong · 1 |
| Tangshan Guoxuan Battery Co., Ltd. | Strong · 1 | Strong · 1 | Absent | Absent | Absent |
Frequently asked questions
The current evidence base contains 21 patent families in scope. Given standard publication lag of 18–24 months, filings from the most recent period are under-counted and the true active total is likely higher.
Kumoh National Institute of Technology Industrial Academic Cooperation Foundation leads with 2 patent families, focused on H01M battery-cell and electrode classes. All other tracked applicants hold 1 patent family each, making the field highly fragmented.
The field is classified as Growth, with annual filings still rising and a 133% recent-window growth rate. Filings were zero from 2017 through 2020, with activity initiating in 2021 and accelerating through the tracking window.
China dominates, accounting for 19 of the patent records. WIPO (PCT) accounts for 2 records, suggesting early but limited international filing intent. No other jurisdictions appear in the current corpus.
The only observed co-filing activity links three Chenzhou, China-based entities — Chenjiang Laboratory, Chenzhou New Energy Battery Material Research Center, and Chenzhou Shangyì New Energy Co. — each pair appearing once, consistent with a jointly filed set of applications. No cross-border or multi-sector collaboration is evident.
Powder metallurgy (B22F) and alloy compositions (C22C) each appear in only 2 patent families, representing 5% of the corpus. Pressing/compaction (B30B), compounds of other metals (C01G), and condensation polymers (C08G) each appear in just 1 patent family. These branches represent areas of relative sparsity adjacent to the dominant H01M core.
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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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