July 19, 2026
XX
min read

Battery Recycling and Circularity Patent Landscape in 2026

Writen By:

Cypris Research Team

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Battery circularity, the recycling, reuse, and repurposing of batteries, has become the fastest-growing area of battery patenting, and its landscape is a map of the coming competition over critical minerals. According to a joint study by the European Patent Office and the International Energy Agency, international patent families related to battery circularity grew at an average of 42 percent per year from 2017 to 2023, compared with 16 percent for rechargeable battery manufacturing overall and 2 percent across all technical fields.¹ Over the decade the number of these families rose roughly sevenfold.¹ The driver is structural: more than one in four cars sold globally in 2025 was electric, and around 1.2 million electric-vehicle batteries could reach end of life in 2030, rising to 14 million by 2040, so managing and reclaiming that volume is both an environmental necessity and a supply-chain strategy.¹

The landscape is geographically concentrated and shifting quickly. Asian applicants accounted for 63 percent of battery-circularity patent families in 2023, and China's share rose from 5 percent in 2013 to 29 percent in 2023, with Brunp, the recycling subsidiary of a major battery maker, overtaking established Japanese and Korean firms to become the most active filer.¹ European companies and research institutes account for roughly 20 percent of families, with particular strength in the collection and pre-processing of used batteries and in chemical transformation to recover raw materials, reflecting Europe's current role more as a battery user than a producer.¹ An independent count across the Cypris corpus of more than 500 million patents and scientific papers reproduces the same picture: China holds roughly two-thirds of the recycling-specific family set, well ahead of the United States, Germany, South Korea, and Japan, and Brunp is the single most active assignee, ahead of chemical and battery-materials firms such as BASF and Sumitomo Metal Mining. The strategic significance is large: energy storage now represents about 40 percent of all energy-related patenting and is heading toward half, and recycled materials could meet more than a fifth of demand for lithium, nickel, and cobalt by 2040.¹

The technology landscape divides into distinct stages, each a region of patenting. A peer-reviewed patent-network analysis of lithium-ion battery recycling covering 1990 to 2024 finds activity rising steeply since around 2020, with China leading and international collaboration remaining limited,² and bibliometric analysis of the field documents the same long-run acceleration in recycling research and patenting.³ Across the Cypris corpus, hydrometallurgy is the most patented chemical-recovery route, well ahead of pyrometallurgy, while direct recycling and cathode regeneration remain comparatively nascent; a large, separate cluster covers collection, pre-processing, and separation, the earlier stage where Europe is comparatively strong. Metal recovery and cathode regeneration are where much of the chemical innovation and value concentrate, with key work focused on improving leaching efficiency, developing purification methods, and relithiation strategies that restore spent cathode materials. Because applications publish about eighteen months after filing, the most recent activity is under-represented, so the current frontier is even more active than the figures show.

Where the battery-circularity white space is

Direct cathode regeneration. Restoring spent cathode material directly, rather than breaking it down to metals, is a higher-value route that remains comparatively nascent in the patent record, leaving room for defensible positions.²

Efficient metal recovery. Improving leaching efficiency and purification for lithium, nickel, and cobalt is where much chemical innovation concentrates and where recovery economics are decided.²

Collection and pre-processing. Sorting, dismantling, and safe handling, including remote-handling technologies, are an earlier stage where activity is comparatively less crowded and where European applicants are relatively strong.¹

Reuse and repurposing. Second-life applications for batteries, distinct from material recovery, are a separate and growing layer.

Design for recyclability. Battery designs that ease disassembly and recovery link circularity back to manufacturing and are an emerging cross-over area.

How AI-powered landscape and white space analysis helps

Resolving a fast-growing landscape across stages, chemistries, and geographies requires more than keyword search. AI-powered analysis addresses this with semantic search that clusters activity by recovery route and processing stage across varied terminology, attribution that normalizes filers to canonical entities and tracks shifting leadership, and continuous monitoring that keeps pace with a field growing far faster than average. Because circularity advances appear in scientific literature before they are patented, reading both patents and literature gives the earliest signal of where the frontier is moving.

Where Cypris fits

Cypris runs patent landscape and white space analysis for fast-growing energy fields such as battery circularity across a corpus of more than 500 million patents and scientific papers, organized through a proprietary R&D ontology. The ontology clusters activity by recovery route, hydrometallurgy, direct regeneration, separation, and pyrometallurgy, and by processing stage, and normalizes filers to canonical entities, so a team can resolve which routes and stages are crowded and which remain open as white space, and can track shifting leadership as new entrants rise. Semantic search across patents and scientific literature connects filings to the underlying materials and process research, which is where circularity advances appear first. Cypris Q, the platform's agentic layer, lets teams run landscape and white space analysis conversationally and chain the clustering, attribution, and gap analysis, and Agentic Monitoring tracks a defined route over time and flags new patents and papers as they publish. Cypris provides enterprise API partnerships with OpenAI, Anthropic, and Google, and is built with enterprise-grade security. Cypris serves hundreds of enterprise customers across pharmaceuticals, chemicals, advanced materials, energy, and other regulated industries.

FAQ

How fast is battery-recycling patenting growing? Battery-recycling patenting is growing very fast. According to the EPO and IEA, international patent families in battery circularity grew at an average of 42 percent per year from 2017 to 2023, versus 16 percent for battery manufacturing and 2 percent across all technical fields, roughly a sevenfold increase over the decade. It is now growing faster than battery patenting in general.

Who leads in battery-circularity patents? Asian applicants held 63 percent of battery-circularity patent families in 2023. China's share rose from 5 percent in 2013 to 29 percent in 2023, and Brunp, a major battery maker's recycling subsidiary, overtook established Japanese and Korean firms as the most active filer. European companies and research institutes hold roughly 20 percent, with strength in collection and pre-processing. An independent Cypris-corpus count reproduces China's roughly two-thirds share and Brunp's lead.

What technologies does the battery-recycling landscape cover? The battery-recycling landscape covers collection, sorting, and dismantling; mechanical processing; and metal recovery and cathode regeneration. Analysis of the patent record finds hydrometallurgy the most patented chemical-recovery route, ahead of pyrometallurgy, with direct recycling still comparatively nascent. Innovation concentrates on leaching efficiency, purification, and relithiation.

Why is battery circularity strategically important? Battery circularity is strategically important because it is a secondary supply of critical minerals. Around 1.2 million electric-vehicle batteries could reach end of life in 2030 and 14 million by 2040, and recycled materials could meet more than a fifth of lithium, nickel, and cobalt demand by 2040. This links recycling to supply-chain security and energy security.

Where is the white space in battery recycling? The white space in battery recycling includes direct cathode regeneration, efficient metal recovery and purification, collection and pre-processing including remote handling, reuse and repurposing for second-life applications, and design for recyclability. Metal recovery and cathode regeneration are where chemical innovation concentrates. The higher-value opportunities are in routes that improve recovery economics.

Why does battery-recycling analysis need scientific literature? Battery-recycling analysis needs scientific literature because process and materials advances appear in research before they are patented, so the literature gives the earliest signal. Analyzing patents alone gives a lagging view. Cypris analyzes both across more than 500 million patents and scientific papers.

Which teams use battery-recycling patent landscape analysis? Battery-recycling patent landscape analysis is used by R&D, innovation, IP, and strategy teams at battery makers, recyclers, automotive and energy companies, materials developers, and their partners, as well as investors and policymakers. It informs where to invest, where to file, and where competitors are concentrated. Cypris serves hundreds of enterprise customers across energy, advanced materials, chemicals, and other regulated industries.

How do you keep a battery-recycling landscape current? Keeping a battery-recycling landscape current requires continuous monitoring, because the field is growing far faster than average, leadership is shifting quickly, and publication lag hides the most recent activity. A one-time landscape ages quickly. Cypris uses Agentic Monitoring to track a defined route and flag new patents and papers as they publish.

Endnotes

  1. International Energy Agency & European Patent Office (2026). Battery circularity: innovation trends for a future source of critical materials. IEA, Paris. https://www.iea.org/reports/battery-circularity
  2. von Delft, S., Schlehuber, S., & Hemmelder, A. (2025). Uncovering collaboration and knowledge areas in lithium-ion battery recycling. EES Batteries. https://doi.org/10.1039/d5eb00056d
  3. Li, Y., Guo, Y., Guan, J., Zhang, X., & Lou, X. (2022). Global trend for waste lithium-ion battery recycling from 1984 to 2021: a bibliometric analysis. Minerals, 12(12), 1514. https://doi.org/10.3390/min12121514

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