Sodium-Ion Battery Thermal Management Patent Landscape
Sodium-Ion Battery Thermal Management Patent Landscape in 2026
The patent landscape for sodium-ion battery thermal management is at the very earliest stage of formation, with only a single family in scope filed in 2025 and all activity originating in China. The field is effectively uncontested, presenting a wide-open entry window for organisations prepared to invest in this intersection of sodium-ion chemistry and thermal control.
A single filer holds all documented activity — concentration is total
Electric Power Research Institute of Guangxi Power Grid Co., Ltd. is the sole ranked applicant, accounting for the entire corpus with one patent family. No other organisation appears in the top-100 applicant list because there are no other filers.
Concentration is absolute: the top five filers’ share of the hundred largest filers stands at 100%, reflecting not competitive dominance in a crowded field but the near-complete absence of documented IP activity at this intersection of technology.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Electric Power Research Institute of Guangxi Power Grid Co., Ltd. | 1 |
The sole filer’s position implies this is an exploratory or pilot filing rather than a strategic portfolio-building exercise. There is no evidence of a sustained R&D programme by any organisation in this specific sub-domain.
Because the single family was filed in 2025, it falls within the typical 18–24 month publication lag window; additional filings from the same period may not yet be visible in the corpus. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity emerged only in 2025; technology mix spans AI, data processing, and battery chemistry
The annual filing trend shows zero recorded activity from 2017 through 2024, with a single family appearing in 2025. The technology composition reflects the interdisciplinary nature of this first filing.
Annual filing trend
The trend chart shows a flat baseline from 2017 to 2024 followed by the first filing in 2025. The 2025 data point sits within the publication lag window, so the true volume for that year may be understated; 2026 shows zero, which is consistent with lag rather than a confirmed absence of activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
The single family is classified across three IPC branches — G06F (electric digital data processing), G06N (computing based on AI models), and H01M (batteries, cells and fuel cells) — indicating that the filed invention combines AI-driven data processing with battery cell technology, rather than being a purely hardware thermal-management solution.
↗ 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.
一种钠离子电池热管理策略优化方法及系统
本发明公开一种钠离子电池热管理策略优化方法及系统，涉及电池监控技术领域，方法包括获取基于预训练的目标温度预测模型实时预测的最佳目标温度值；获取钠离子电池的实际温度值；获取钠离子电池液冷系统中水泵的实际转速；根据所述最佳目标温度值和所述实际温度值得到液冷系统水泵的参考转速；根据所述实际转速和参考转速的转速偏差，采用基于自适应模糊指数趋近律的滑模控制方法计算水泵的控制电流；基于计算水泵的控制电流，调整液冷系统中冷却液的流速。本发明通过快速响应电池温度变化，实时调整液冷系统水泵的运行状态来实现冷却调节，避免冷却过当或冷却速度慢的问题。 (excerpt from the patent abstract)
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 investment decisions
With only one family in scope, every structural signal must be interpreted with caution; the observations below reflect the state of documented public IP, not the full state of industry R&D.
Pre-commercial: life-cycle stage is not yet determinable
The lifecycle stage cannot be classified from the available evidence — a single 2025 filing is insufficient to establish a trend. The field should be treated as pre-emergence: IP frameworks, dominant architectures, and standard-setting activity have not yet materialised in the public patent record.
Pre-emergenceEffectively uncontested — no incumbent barrier to entry
With one applicant and one family, there is no established IP thicket to navigate. An organisation entering now would face no documented blocking positions. However, the absence of prior art also means claim scope may be harder to differentiate until the field matures and examiner practice develops.
No incumbentNo co-applicant activity on record
Evidence is pending: the collaboration array is empty, indicating no co-filed or jointly assigned families exist in this corpus. This is consistent with the nascent scale of the field. Cross-sector partnerships — for example between battery manufacturers and thermal-systems engineers — remain a potential structural move with no documented precedent to benchmark against.
No co-filersChina is the only active jurisdiction
All documented activity is filed in China. No PCT, EPO, US, or other national-phase records appear in the corpus. This leaves non-Chinese jurisdictions entirely uncontested for first-mover patent positions, which may be strategically significant for organisations targeting European or North American sodium-ion battery markets.
China onlyGo 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.
One filer defines the entire documented landscape
The applicant ranking contains a single entry. Trajectory and technology emphasis are drawn from the IPC classifications assigned to that filing.
Electric Power Research Institute of Guangxi Power Grid Co., Ltd.
The sole ranked applicant holds one patent family, filed in 2025, covering the intersection of AI-based computing (G06N), digital data processing (G06F), and battery cell technology (H01M). As a power-grid research institute, their emphasis is likely on grid-scale sodium-ion storage diagnostics or management rather than consumer cell design. No prior-period filings exist, so momentum data is not available.
families: 1No challenger identified
The corpus contains only one applicant. No second-ranked or challenger organisation can be identified from the available evidence. Any organisation filing in this space would immediately become the second-largest documented holder.
families: —Under-served adjacent branches worth monitoring
With only one IPC-classified family in scope, formal white-space candidates have not been computed from the evidence. The observations below are based on the technology branches present in the single filing and the structural gaps visible in the corpus.
Hardware thermal management for sodium-ion cells (H05K / H01M sub-classes)
The sole filing addresses thermal management through an AI and data-processing lens rather than through hardware cooling architectures. Sub-classes covering physical thermal interface materials, heat exchangers, and phase-change cooling applied specifically to sodium-ion cells appear entirely absent from the corpus. This is an observation of sparsity; the technical value is plausible given that sodium-ion cells exhibit distinct thermal profiles compared with lithium-ion, but no evidence confirms commercial momentum in this branch.
Search this in Eureka →Real-time battery management system integration (G01R / G05B)
Measurement and control sub-classes associated with real-time thermal sensing and battery management system integration do not appear in the current corpus. Given that the one documented filing combines AI and battery chemistry, a natural adjacent branch would be closed-loop control systems for sodium-ion thermal regulation. Entry path would involve adapting existing lithium-ion BMS thermal algorithms to sodium-ion chemistry parameters, an area with plausible differentiation potential but currently undocumented in this specific intersection.
Search this in Eureka →How filers differ by technology route
Strength of each leader across the main technology routes.
| Player | G06F 18 · Electric digital data processing | G06N 3 · Computing based on AI models | H01M 10 · Batteries, cells & fuel cells |
|---|---|---|---|
| Electric Power Research Institute of Guangxi Power Grid Co., Ltd. | Strong · 1 | Strong · 1 | Strong · 1 |
Frequently asked questions
The current corpus contains one patent family, filed in 2025 and assigned to the Electric Power Research Institute of Guangxi Power Grid Co., Ltd. in China.
Electric Power Research Institute of Guangxi Power Grid Co., Ltd. is the sole ranked applicant, holding one patent family — the only documented filing in this specific intersection.
All documented activity is in China. No filings have been identified in other jurisdictions, including the US, Europe, or via PCT at this time.
The single family spans G06F (electric digital data processing), G06N (computing based on AI models), and H01M (batteries, cells and fuel cells), indicating an AI-augmented approach to battery thermal management rather than a purely hardware solution.
Based on the evidence, the field is pre-emergent. Only one family has been filed, in 2025, which is insufficient to classify a lifecycle stage. The intersection of sodium-ion chemistry with dedicated thermal management IP is effectively undocumented in the public patent record.
Two adjacent branches appear sparse: hardware thermal cooling architectures specifically for sodium-ion cells (e.g. thermal interface materials, phase-change systems) and real-time closed-loop battery management system integration for sodium-ion thermal control. Both are observations of sparsity based on the current corpus; neither has been validated as a confirmed commercial opportunity.
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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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