Sub-system
Recycling is usually framed as an environmental measure. Its more immediate significance is industrial: a recycler producing battery-grade material is refining capacity that did not require a mine, a permit or a decade — which is exactly the step the supply chain is short of.
In one sentence
Battery recycling recovers lithium, nickel, cobalt and other materials from manufacturing scrap and end-of-life batteries, returning them to battery-grade compounds for reuse in new cells.
The feedstock today is mostly not old vehicles. Cell manufacturing produces significant scrap, especially while a factory is ramping, and that scrap is clean, of known composition and available now — which makes it the economic foundation of the industry while the vehicle fleet is still young.
Two process routes compete. Smelting recovers nickel and cobalt reliably at high temperature but loses lithium into slag. Chemical leaching dissolves the material and recovers more of it, including lithium, at the cost of a more complex process and effluent handling. Most modern plants use mechanical pre-processing followed by chemical recovery.
Packs are discharged, dismantled and shredded, and the electrode powder is separated from casings and foils. That powder — black mass — is the intermediate the industry trades, containing the valuable metals in concentrated form. Its handling and transport are regulated, because it is reactive and its classification varies between jurisdictions.
Recycling economics have rested on nickel and cobalt value. An iron-phosphate cell contains neither, so its recycling value is mainly lithium plus the copper and aluminium in the current collectors. As that chemistry's share grows, recycling economics get harder, and regulation rather than metal value increasingly drives collection.
A vehicle pack retired at eighty percent of original capacity is still useful for stationary storage, where mass does not matter. Reusing it defers recycling by years. Whether that is worth doing depends on the cost of testing and re-certifying used packs against the falling price of new cells — which has made the case less obvious than it once appeared.
Technology dependencies are solved by engineering; supply dependencies are solved by building something, which takes years.
Recycling capacity is only useful with material to process; collection logistics and manufacturing scrap volumes determine that.
Regulations mandating recovery rates and recycled content in new batteries are a primary driver of investment in the sector.
Recovery economics rest on the metal value in the feedstock, so a stream of iron-phosphate cells leaves little worth recovering beyond lithium and the current collectors.
Nickel-rich cathodesChemical recovery produces acidic process streams, and permitting that discharge is often the slowest part of building a plant.
Other pages in this map that name Recycling as something they cannot do without.
What each company supplies at this step, and — where a public figure exists — its share of this specific market — with what that share measures, the period it covers and who published it. Some rows also show the company’s own reported revenue for the segment covering this step, which is a different thing: it says how much this business matters to that company, not how much of the market it holds. Not a ranking and not a recommendation.
Recycles manufacturing scrap and end-of-life packs into battery-grade materials.
Materials group with battery recycling and cathode material operations.
Recycles manufacturing scrap and end-of-life packs within its own operations.
Processes battery materials and recycling feedstock.
Recovers nickel, cobalt and lithium at the largest scale of any recycler.
Recycles through Brunp, feeding recovered metal straight back into its own cells.
Whether recycled output reaches a share of supply large enough to affect refined material markets.
Whether iron-phosphate recycling becomes economic without regulatory support.
Whether second-life storage takes meaningful volume away from recycling feedstock.
Each page explains one technology in plain language, states what it depends on, and names companies by what they supply at that step. Company roles are described qualitatively and deliberately carry no market shares, revenue figures or rankings — those change faster than an explainer can, and a stale number is worse than none. Ticker links point at company pages on this site and are provided for reference only.
Nothing here is investment advice, a recommendation, or a forecast. A company named on a page about a technology is not thereby a good investment, and the chokepoints described are structural facts about supply chains rather than predictions about prices. Technology moves; where a page describes something as unresolved or in development, that was true when it was written.
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