The critical raw materials conversation has settled into a familiar script about supply concentration, permitting delay, and disclosure. For research leaders in advanced chemicals and materials, that script describes the operating environment and misses the part that lands on the bench.
The sustainability requirements attached to critical raw materials are migrating into the design target itself. Recyclability, substitutability, and verifiable provenance are becoming objectives that sit beside yield and performance in the discovery problem, and each one is a distinct chemistry challenge carrying its own cost. The strategic decision for Research & Development (R&D) is how early to absorb that wider objective into the pipeline.
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The specification is acquiring new mandatory fields
A bill of materials used to encode composition and performance. The digital battery passport, mandatory from February 2027, adds fields the material now has to satisfy by construction: material composition, critical raw materials with country-of-origin data, and verified recycled content [1].
Those fields read as compliance, yet they propagate backward. A recycled-content figure can be met only when the material tolerates secondary feedstock, and an origin-flexibility claim is held only when the formulation accepts inputs from more than one source. Provenance has entered the specification, and a specification is an R&D instruction.
Recyclate is a separations problem
Policy treats recycling as a supply channel and assigns it a domestic target. At the bench it reads differently. Recovered feedstock carries a chemistry that departs from primary ore, with different absolute and relative element abundances, different chemical speciation, and a different slate of co-occurring metals compared with rare earth ores [2].
End-of-life neodymium-iron-boron magnet scrap runs to roughly 63% iron, and the high iron content makes recovery tedious and costly, accumulating in the extraction reagent and reducing rare earth extraction efficiency [3]. The recovery rate reflects the difficulty: only around 1% of rare earth elements are recycled today [4]. The processes that win on secondary streams are the ones engineered for the composition of the stream, such as protein-based separations compatible with low-grade feedstock leachates and free of organic solvents [5]. The recycling target, read honestly, is a mandate for feedstock-tolerant chemistry, and that mandate belongs in process R&D today.
Substitution carries a performance tax
Substitution is the quiet lever. Of the 47 strategic projects the European Commission selected, two target substitutions [6], a signal that policy has left this work largely to corporate and academic laboratories. The reason is that substitution rarely comes free.
Replacing samarium-cobalt with neodymium-iron-boron sacrificed high-temperature performance and raised corrosion tendency [7]. Removing cobalt entirely from nickel-rich cathodes remains difficult because cobalt performs structural stabilization and charge-compensation roles that make complete substitution a formidable challenge [8].
Rare-earth-free options exist, including iron-based magnetocaloric alloys with high Curie temperatures reported in 2025 [9], and they sit below incumbent performance. The discovery opportunity is exactly the size of that performance gap. Closing it is the differentiated R&D contribution that permitting reform and financing hubs leave untouched.
The objective function widens, and computation earns its place
The through-line connects to the discovery method. Sustainability attributes, including embodied energy, elemental criticality, recyclability, and toxicity, are being standardized into open datasets, which makes them addressable as a multi-objective optimization problem requiring simultaneous consideration of performance, economic viability, recyclability, and full life-cycle impacts [10].
Early demonstrations already point this way, including scrap-tolerant high-entropy alloys, recycling-aware alloy design, and multi-objective optimization for critical-material-free, corrosion-resistant alloys [10]. The US Department of Energy’s Critical Minerals and Materials to Unlock Supply initiative combines machine learning, automated laboratory systems, synthetic biology, and molecular modelling to recover and substitute critical minerals from unconventional sources such as mine tailings and wastewater [11].
This is the point where the materials-discovery toolchain stops optimizing a single property and starts co-optimizing performance with provenance and circularity. The objective function carries more terms, and the laboratories that built their screening and autonomous-lab workflows around the wider set hold a structural advantage.
The option that latecomers cannot buy
Discovery operates on multi-year cycles, while the sustainability data layer and the substitution frontier mature on their own clock. A laboratory that begins co-optimizing for recyclate tolerance, low-criticality composition, and footprint today compounds a position that cannot be acquired at the moment a passport field or a recycled-content threshold becomes binding. The sustainability narrative has entered the design target for R&D, and the laboratories treating it as a discovery objective, beyond a reporting duty, are setting the terms others will inherit.
If you enjoyed this blog, check out, The strategic reinvention: Emerging trends from our R&D Survey 2026 – Everest Group Research Portal, which delves deeper into another topic relating to R&D.
If you’d like to continue this discussion further, please contact Cecilia Van Cauwenberghe ([email protected]).
References
[1] Digital Product Passport for Batteries, Regulation (EU) 2023/1542, https://www.bluestonepim.com/blog/digital-product-passport-for-batteries
[2] Recycling rare earths: perspectives and recent advances, MRS Bulletin, https://link.springer.com/article/10.1557/s43577-022-00301-w
[3] A novel application of hematite precipitation for separation of Fe from Nd-Fe-B scrap, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6893023/
[4] Research progress of rare earth separation methods and technologies, ScienceDirect, https://www.researchgate.net/publication/359988079
[5] Bridging hydrometallurgy and biochemistry: a protein-based process for recovery and separation of rare earth elements, https://pmc.ncbi.nlm.nih.gov/articles/PMC8614107/
[6] Critical Raw Materials Act strategic projects, European Commission breakdown, https://publyon.com/critical-raw-materials-act-boosting-the-twin-green-and-digital-transition/
[7] Sustainability evaluation of essential critical raw materials: cobalt, niobium, tungsten and rare earth elements, IOPscience, https://iopscience.iop.org/article/10.1088/1361-6463/aaba99
[8] Reevaluating the critical role of cobalt in ultra-high nickel cathodes, Advanced Functional Materials, 2026, https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.202511503
[9] Rare earth-free magnetocaloric material Fe82Hf6Zr7B4Cu1, RSC Advances, 2025, https://pubs.rsc.org/en/content/articlepdf/2025/ra/d5ra01759a
[10] Sustainable materials design with multi-modal artificial intelligence, Advanced Science, 2026, https://advanced.onlinelibrary.wiley.com/doi/10.1002/advs.202524273
[11] Critical Minerals and Materials to Unlock Supply (CM²US), US Department of Energy, https://www.soci.org/news/2026/1/using-ai-to-improve-supply-of-critical-minerals