Graphite, Black Mass & Circular Anodes: From Waste to Value
Publish Date
The anode supply chain is pivoting toward circularity and regional security. Talga Group demonstrated the ability to produce lithium‑ion anodes from recycled graphite and secured a U.S. patent, while Renascor Resources advanced its purified spherical graphite project in Australia using a hydrofluoric acid‑free process, with commissioning slated for late 2025. North American recycler Electra is integrating black‑mass processing into its refining complex, enhancing domestic recovery of battery‑grade nickel, cobalt and lithium. In parallel, Graphjet Technology has patented a method to convert waste palm kernel shells into single‑layer graphene and artificial graphite, offering a sustainable alternative to mined graphite. Flexible graphite markets are expanding on the back of high‑performance thermal‑management applications, though limited availability of high‑purity natural graphite remains a bottleneck. Together, these initiatives signal that recycled and synthetic routes will play a bigger role in future anode supply.
Scale & market growth
Anode market outlook: The global battery‑anode market is projected to grow from about US$19 billion in 2025 to over US$81 billion by 2030, a compound annual growth rate of more than 33%. Synthetic graphite – prized for its purity and uniformity – is expected to capture a large share, but recyclers are closing the gap on cost and carbon footprint.
Flexible graphite: Demand for flexible graphite sheets and rolls is growing in electronics, sealing, and thermal‑management applications. Top players such as SGL Carbon, NeoGraf and Mersen are expanding capacity and investing in innovation, yet high‑purity natural graphite remains scarce.
High‑purity pig iron: Markets for high‑purity pig iron – used in specialty steels and some EV battery structures – are forecast to triple by 2032, driven by electric vehicles and wind turbines.
Technology & sustainability trends
Recycled anodes: Talga’s process demonstrates that spent lithium‑ion graphite can be remanufactured into high‑performance anodes, enabling closed‑loop supply in Europe.
Sustainable graphite: Graphjet’s technology converts agricultural waste into graphene and artificial graphite, reducing dependence on mined material and diversifying the supply chain.
Black‑mass integration: Electra’s integration of black‑mass recycling into its cobalt‑sulfate refinery enhances domestic recovery of critical metals, supporting North America’s battery independence.
Hydrofluoric‑acid‑free purification: Renascor’s Australian plant will trial a more environmentally benign method to convert graphite concentrate into purified spherical graphite (PSG) for anodes.
Strategies & takeaways
Diversify anode feedstocks: Battery makers should qualify recycled and synthetic graphite to manage supply‑security risks and capture ESG premiums.
Monitor sustainable technologies: Technologies converting waste biomass into graphite or recycling black mass could become competitive as they scale, attracting investment and policy support.
Prepare for market growth: With anode demand set to quadruple this decade, early movers in recycling and synthetic production may secure long‑term contracts and command pricing power.