Manganese-Rich Battery Cell Design Patent Landscape 2026
Manganese-Rich Battery Cell Design Patent Landscape in 2026
The manganese-rich battery cell design space is a growth-stage field still expanding on a multi-year basis, though annual volume eased from its 2023 peak; LG Energy Solution holds a commanding lead with the largest single-applicant position. The competitive structure is highly concentrated, with China as the dominant filing jurisdiction and activity dominated by a small set of battery manufacturers and research institutions.
LG Energy Solution leads a concentrated field anchored in China
LG Energy Solution Ltd ranks first among all applicants, with 9 patent families, followed by Contemporary Amperex Technology Co. Ltd with 4 patent families. The top five filers account for 53% of the combined total of the hundred largest filers, signalling a strongly concentrated competitive structure.
A clear tier gap separates the top two players from the remaining applicants, who each hold a single patent family. This steep drop-off indicates that the field is driven by a handful of well-resourced incumbents rather than a broad, distributed innovator base.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | LG Energy Solution Ltd | 9 | |
| 2 | Contemporary Amperex Technology Co. Ltd | 4 | |
| 3 | Guangdong Jusheng Technology Co. | 2 | |
| 4 | Jiangsu Haiji New Energy Co. Ltd | 1 | |
| 5 | Xiamen Ampace Technology Ltd | 1 | |
| 6 | CIC energiGUNE Foundation (Cooperative Research Centre on Alternative Energies) | 1 | |
| 7 | Beijing Normal University | 1 | |
| 8 | Henan Kelong New Energy Co. Ltd | 1 | |
| 9 | Shenzhen Hongtai Battery Technology Co. | 1 | |
| 10 | Xiamen Ampace Technology Ltd | 1 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Guangdong Gonghe New Energy Technology Co. | 1 | |
| 12 | CALB Group Co. Ltd | 1 | |
| 13 | Great Power Battery Zhuhai | 1 | |
| 14 | Beijing University of Chemical Technology | 1 | |
| 15 | Zhengzhou Zhongke Emerging Industry Technology Research Institute | 1 | |
| 16 | Dongguan Yama Electronics Co. | 1 | |
| 17 | JIANGSU SHENZHOU NEW ENERGY&ELECTRICITY CO LTD | 1 | |
| 18 | Shandong Paizhi New Energy Technology Co. | 1 | |
| 19 | Ford Global Technologies LLC | 1 | |
| 20 | Qingdao University | 1 |
LG Energy Solution’s position — more than double the next-largest filer — suggests it has established prior art depth that will be difficult for challengers to navigate without differentiated technical approaches. CATL’s presence as a close second signals that the leading Chinese battery manufacturer is moving rapidly into this chemistry.
Filing counts for the most recent 18–24 months are likely understated due to standard patent publication lag; the apparent levelling in 2024–2025 should not be read as a slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Rapid multi-year growth peaking in 2023, with electrochemistry dominating the technology mix
The filing trend reveals a field that accelerated sharply from 2022 onward, while the technology composition confirms near-total focus on battery cell electrochemistry with sparse activity in adjacent material science branches.
Annual filing trend
Annual filings were negligible through 2021, then jumped to 6 families in 2022 and peaked at 12 in 2023. The 2024 and 2025 counts appear lower but are affected by publication lag and should not be interpreted as a structural decline. The field is still expanding on a multi-year basis, with the recent three-year window well above the prior three-year window.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (Batteries, cells and fuel cells) accounts for the overwhelming majority of classified records, confirming that activity is concentrated in cell-level electrochemistry. C01G (Compounds of other metals), B23K (Welding, soldering and brazing), B82Y (Nanotechnology applications), and C01F (Alkaline-earth, aluminium and rare-earth compounds) each appear sparsely, indicating that upstream material synthesis and advanced fabrication techniques remain under-developed relative to the core cell design domain.
↗ 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 Manufacturing Lithium Secondary Battery…
A method for manufacturing a lithium secondary battery includes preparing a battery cell, charging and discharging the battery cell under pressurization to activate the battery, and then charging is performed in a constant voltage mode. The battery cell includes a positive electrode, a negative electrode and an electrolyte, with the positive electrode… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种富锂锰基的高能量密度锂离子电池及其制备方法 | 16 |
| 2 | 一种Sr掺杂的纳米纤维富锂锰基固溶体正极材料的制备方法和应用 | 8 |
| 3 | 一种长寿命镍钴锰酸锂圆柱锂离子电池制作方法 | 7 |
| 4 | 正极极片、电池以及用电设备 | 6 |
| 5 | Method for manufacturing lithium secondary battery… | 4 |
| 6 | 富锂锰基固态锂电池及其制备方法 | 3 |
| 7 | Method for Manufacturing Lithium Secondary Battery… | 3 |
| 8 | 一种圆柱电池 | 3 |
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 competitive structure means for R&D strategy
The combination of growth-stage dynamics, high concentration, limited cross-applicant collaboration, and. China-heavy jurisdictional coverage shapes specific strategic considerations for teams evaluating entry or expansion.
Growth stage with annual volume eased from 2023 peak
The lifecycle evidence classifies this field as Growth: the recent three-year filing window sits well above the prior three-year window, reflecting a 2,400% growth rate on that basis. Annual volume has eased from its 2023 peak, and the most recent years are further understated by publication lag. Teams entering now face a field where the technical frontier is still being defined, but the window before dominant design consolidation may be narrowing.
Growth stageTop two players control the field; long tail of single-family filers
LG Energy Solution and CATL together represent the dominant filing positions, with every other ranked applicant holding only a single patent family. This structure means that broad freedom-to-operate analysis must focus on the top two, while the long tail of Chinese SMEs and universities represents potential licensing partners or acquisition targets rather than primary blocking risk. New entrants should design around LG Energy Solution’s 9-family position first.
High concentrationOne recorded co-filing pair; ecosystem largely fragmented
Only one co-applicant collaboration is recorded in the evidence: Hunan Guotuo New Energy Technology Co. and Guangdong Jusheng Technology Co. filed jointly on one family. All other applicants appear to be filing independently. This fragmentation may reflect the early competitive sensitivity of the technology, but also indicates that consortium or open-innovation approaches remain largely unexploited and could offer differentiation for new entrants seeking to pool material synthesis and cell design expertise.
Low collaborationChina dominates; US and Korea offer secondary coverage
China accounts for the largest share of jurisdictional records, followed by the United States, South Korea, and Europe via the EPO. This distribution suggests that IP strategy in this space should prioritise China prosecution, but the presence of US and Korean records signals that the leading players — particularly LG Energy Solution — are seeking broader protection. European coverage is thin, representing a potential gap for applicants seeking to establish positions in that market.
China-ledGo 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 |
|---|---|---|
| Hunan Guotuo New Energy Technology Co. | Guangdong Jusheng Technology Co. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
LG Energy Solution and CATL lead on cell electrochemistry; all major filers are new entrants to this specific domain
Every tracked applicant with momentum data carries a ‘new entrant’ trend signal, confirming that manganese-rich battery cell design as a distinct filing category emerged very recently and that all current leaders established their positions within the past few years.
LG Energy Solution
LG Energy Solution holds 9 patent families, the largest position in the field. Its technology emphasis spans H01M 10 (secondary batteries), H01M 4 (electrodes), and H01M 50 (cell structural components), indicating coverage across the full cell design stack rather than a narrow cathode-only focus. Its momentum is classified as a new entrant on a recent-vs-prior basis, reflecting that this filing activity is concentrated in the most recent window.
9 patent familiesContemporary Amperex Technology Co. Ltd
CATL holds 4 patent families and shows equivalent breadth across H01M 10, H01M 4, and H01M 50, mirroring LG Energy Solution’s cross-stack approach. As a new entrant by momentum classification, CATL’s activity is recent and signals that the world’s largest battery manufacturer is actively building IP in manganese-rich cell design, likely in parallel with its broader LMFP and high-manganese cathode programs.
4 patent families| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| LG Energy Solution Ltd | 9 | ▲ new entrant |
| Contemporary Amperex Technology Co. Ltd | 4 | ▲ new entrant |
| Qingdao University | 1 | ▲ new entrant |
| Zhengzhou Zhongke Emerging Industry Technology Research Institute | 1 | ▲ new entrant |
| Ford Global Technologies LLC | 1 | ▲ new entrant |
| Great Power Battery Zhuhai | 1 | ▲ new entrant |
| Henan Kelong New Energy Co. Ltd | 1 | ▲ new entrant |
Under-served adjacent branches in material synthesis and advanced fabrication
Four IPC branches adjacent to the dominant H01M class carry sparse patent-record counts, suggesting that the intersection of manganese-rich cell design with upstream material science and nanoscale fabrication remains relatively open.
C01G · Compounds of other metals (metal precursor synthesis)
C01G records in this corpus number only 3, representing an 8% share of classified records. This branch covers the synthesis of manganese and other transition-metal compounds directly relevant to cathode precursor production. Technical value is high because precursor chemistry determines the electrochemical performance ceiling of manganese-rich cathodes. A realistic entry path would involve filing on novel co-precipitation or sol-gel routes for high-manganese precursors, which sit upstream of the cell-level claims already filed by LG Energy Solution and CATL.
Search this in Eureka →B82Y · Nanotechnology applications in batteries
B82Y carries only 1 record in this corpus, a 3% share, indicating that nanoscale engineering approaches — such as nanostructured manganese-rich cathode particles or nano-coating strategies to suppress voltage fade — are nearly absent from current filings. The technical rationale for nano-engineering in this chemistry is well-established in academic literature, making the sparse IP count an observation of potential under-development. An entry path would require demonstrating scalable nanostructure synthesis and linking it explicitly to cell-level performance metrics.
Search this in Eureka →How leaders differ across technology routes
Strength of each leader across the main technology routes.
| Player | H01M 10 · Batteries, cells & fuel cells | H01M 4 · Batteries, cells & fuel cells | H01M 50 · Batteries, cells & fuel cells | C01G 53 · Compounds of other metals | C01G 45 · Compounds of other metals |
|---|---|---|---|---|---|
| LG Energy Solution Ltd | Strong · 9 | Strong · 7 | Emerging · 1 | Absent | Absent |
| Contemporary Amperex Technology Co. Ltd | Strong · 4 | Strong · 4 | Strong · 4 | Moderate · 1 | Moderate · 1 |
| CIC energiGUNE Foundation (Cooperative Research Centre on Alternative Energies) | Strong · 1 | Strong · 1 | Strong · 1 | Strong · 1 | Absent |
| Beijing University of Chemical Technology | Absent | Strong · 1 | Strong · 1 | Strong · 1 | Strong · 1 |
| CALB Group Co. Ltd | Strong · 1 | Strong · 1 | Strong · 1 | Absent | Absent |
| Xiamen Ampace Technology Ltd | Strong · 1 | Strong · 1 | Strong · 1 | Absent | Absent |
Frequently asked questions
The evidence covers 31 patent families in scope for this topic.
LG Energy Solution Ltd leads with 9 patent families, more than double the next-largest filer, Contemporary Amperex Technology Co. Ltd, which holds 4 patent families.
The field is classified as Growth stage. The recent three-year filing window is well above the prior three-year window, reflecting a 2,400% growth rate on that basis. Annual volume has eased from its 2023 peak, and recent years are further understated by publication lag.
China accounts for the largest number of jurisdictional records among the countries covered, followed by the United States, South Korea, and Europe via the EPO.
B23K (Welding, soldering and brazing), B82Y (Nanotechnology applications), and C01F (Alkaline-earth, aluminium and rare-earth compounds) each appear in only 1 record, representing a 3% share each. C01G (Compounds of other metals) has 3 records at an 8% share. All four branches are adjacent to the dominant H01M class.
Collaboration is limited. Only one co-applicant pair is recorded: Hunan Guotuo New Energy Technology Co. and Guangdong Jusheng Technology Co. filed together on one family. All other applicants appear to have filed independently.
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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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