Ore to Vehicle
Every material in an electric car starts as rock at a few parts per million and ends as a metal at four nines. This series follows each one through that climb — the chemistry that does it, the countries that do it, and the money that moves alongside. Seventeen drawn figures across sixteen chapters.
16 chapters published
How to read this series
Each chapter starts in plain language and ends with real equations, worked examples and questions to test yourself. No prior background is assumed — but nothing is hand-waved either. Chapters build on each other, so reading in order pays off, though each is written to stand alone.
Part 1
The Template
Six stages that every material follows, from rock at a few parts per million to metal at four nines — and the vocabulary (grade, recovery, concentrate, midstream, byproduct) that makes any chain readable.
Every Chain Has the Same Skeleton
Copper, lithium and neodymium look nothing alike chemically. Their supply chains have identical structure — six stages, and only which one is hard differs.
Every material in an electric car starts as rock at a few parts per million and ends as a metal at four nines, and the whole industry is one verb — concentrate — performed at different scales with different chemistry. This chapter lays out the six stages every chain follows, then the vocabulary that makes any of them readable: ore grade, cut-off grade, strip ratio, recovery, concentrate, midstream, and the byproduct-versus-primary distinction that breaks the normal assumption that high prices bring new supply. It closes on the most useful idea in the series: mining is distributed, the midstream is not.
Pick a Material and Follow It
Eight materials, one structure. What each is at every point, what it is worth, what chemistry moves it forward, and who does that step.
An interactive reference chapter. Each of eight chains — copper, aluminium, lithium, nickel, cobalt, graphite, rare earth and silver — is drawn through the same six stages so the shared skeleton is visible by flipping between them. Country shares are approximate and move year to year; the shape of each chain is the durable part, and the shapes are more alike than the chemistry suggests they should be.
Part 2
The Metals
Copper as the reference chain, silver as the byproduct problem, aluminium as solidified electricity, lithium as one metal with two unrelated supply chains, and nickel and cobalt as the cathode metals.
Copper — Learn This One and the Rest Are Variations
The oldest, best-documented and most complete supply chain of any EV material — and it runs two entirely different routes depending on whether the ore is a sulfide or an oxide.
Geology decides the chemistry: near the surface, weathering has oxidised the copper minerals and the ore goes to acid leaching; deeper down it is still locked in chalcopyrite and goes to flotation and smelting. Same mine, two plants. This chapter walks both routes reaction by reaction, from comminution that consumes 30 to 50 per cent of a mine’s electricity through to electrorefining at 0.3 V over 7 to 14 days — and explains why step 6 is where the world’s silver comes from. Then the mass balance behind the 500-tonnes-per-tonne figure, and the commercial layer, including a 2026 benchmark treatment charge that settled at zero.
Silver — Nobody’s Main Business, Everybody’s Input
Roughly three-quarters of the world’s silver is produced by mines that are not looking for silver. That single fact breaks the normal economics of the metal.
Only about a quarter of silver supply comes from primary silver mines that respond to the silver price at all; the rest emerges alongside lead, zinc, copper and gold. Supply is therefore largely price-inelastic, so demand shocks resolve through price and inventory rather than through new production. This chapter covers where silver actually comes from, the technical route out of copper’s anode slime, the Parkes process and cupellation — a technique in continuous use since the Bronze Age — and where the 25 to 50 grams in a vehicle go: sintered silver die-attach under the SiC power modules, where nothing else will do.
Aluminium — Solidified Electricity
The third most abundant element in the crust, once more valuable than gold. What changed was not geology but electrochemistry — and the chain still reflects that.
Two processes and one enormous electricity bill. The Bayer process works because aluminium hydroxide is amphoteric — it dissolves in strong base while iron and titanium oxides do not — and that single difference in solubility does the whole separation, regenerating its own caustic and leaving behind red mud as the industry’s largest unresolved environmental liability. Hall–Héroult then works because cryolite dissolves alumina at 960 °C instead of 2,072, which is the entire invention. This chapter covers both, the 13 to 15 MWh per tonne that defines the industry, the anode effect and its perfluorocarbons, and why recycling takes 5 per cent of the energy.
Lithium — One Metal With Two Completely Unrelated Supply Chains
A brine operation and a spodumene mine produce the same lithium carbonate and share almost no equipment, no chemistry and no timescale. One takes eighteen months. The other takes hours.
Beneath the salars, groundwater has spent millions of years concentrating lithium by evaporation; the ponds then take another twelve to eighteen months to lift it from 0.18 per cent to about 6, with magnesium as the enemy throughout. Hard rock instead depends on one phase transition — α to β spodumene at 1,050 °C, a crystal structure change rather than a chemical reaction, without which the mineral is inert to acid. This chapter covers both routes, direct lithium extraction as the most consequential process change in the industry, why carbonate versus hydroxide is a cathode decision rather than a preference, and why lithium overshoots in both directions.
Nickel and Cobalt — the Cathode Metals
One reshaped by a single country in under a decade, the other defined by a single mine district and a problem that cannot be engineered away.
Nickel sulfide ores are straightforward and largely depleted; the laterites that hold most of the world’s nickel are hard, and come in two layers each needing a different process. HPAL handles limonite at 250 °C and 45 bar in a titanium-lined autoclave; RKEF handles saprolite into nickel pig iron for stainless steel. The single change that reshaped the world nickel market was sulfiding NPI into matte so a stainless-steel product could enter the battery chain. Cobalt is a byproduct of a byproduct, three-quarters from the DRC, and carries the strongest non-technical argument for LFP in this entire series.
Part 3
The Battery Materials
Graphite — the largest mass in the cell and the most concentrated chain of all — the manganese, phosphorus and fluorine that an LFP cell actually depends on, and the rare earth separation cascade.
Graphite — More of It Than Anything Else, and Almost Nobody Watching
Roughly a third of a cell’s weight — more mass than lithium, nickel and cobalt combined. It is also the most concentrated supply chain in this series.
Graphite is naturally hydrophobic so flotation is easy, but flakes are fragile and grinding must be gentle and staged. The expensive step is spheroidisation: rounding flat flakes into potato-shaped particles raises tap density and lets lithium enter from all directions rather than only at flake edges — at a yield of only 30 to 40 per cent, with the rest sold into refractories, lubricants and pencils. Then purification to 99.95 per cent by either an HF route with a serious effluent problem or a 2,800 °C thermal route, coating and carbonisation, and the synthetic alternative at roughly 30 kWh per kilogram. Closes with the export-control calendar that is now the most important date in battery procurement.
Manganese, Phosphorus and Fluorine — the LFP Chain
If your cells are LFP, your exposure is not to cobalt or nickel. It is to purified phosphoric acid, high-purity manganese sulfate and fluorspar — three materials that rarely appear on critical-minerals lists.
Phosphate rock becomes wet-process phosphoric acid and five tonnes of mildly radioactive phosphogypsum per tonne of P₂O₅, then needs solvent extraction to bring iron below single-digit ppm, because iron in the wrong place in an LFP cathode is a defect that causes self-discharge. Fluorspar becomes hydrogen fluoride and then both the electrolyte salt and the cathode binder — a chain every lithium-ion cell on earth depends on and which is thinly covered. Manganese ore is genuinely abundant and 90 per cent of it goes into steel where purity barely matters; the battery-grade sulfate is a different product entirely, and China makes almost all of it.
Rare Earths — Where the Chain Is the Weapon
Fifteen elements that are chemically almost the same element repeated fifteen times. Telling them apart is the entire industry, and it is a plant problem rather than a geology one.
The lanthanide contraction means adjacent elements differ in ionic radius by roughly one per cent, all sit in the +3 state and all behave nearly identically, so separation relies on solvent extraction exploiting a partition coefficient that differs by a few per cent per stage — hundreds to over a thousand mixer-settler stages in cascade, taking years to commission and tune. This chapter follows the chain from bastnäsite, monazite and ionic adsorption clay through cracking, separation, oxide-to-metal electrolysis and magnet making, and shows the number that matters: each stage downstream is more concentrated than the one before it. Closes with the current export-control status and its deadline.
Part 4
Structure and Commerce
Why every chokepoint sits in the middle rather than at the mine, how these materials are priced and what that means for anyone who cannot hedge, and the bill of materials for one vehicle.
The Chokepoints Are All in the Middle
Plot every material twice — once by where it is mined, once by where it is processed — and the same pattern appears for all of them.
Everything sits above the diagonal: midstream is more concentrated than upstream in every single case. Graphite anode and rare earth magnets sit in the top-right corner, concentrated at both ends with no meaningful alternative supply. This chapter presents the scatter and the full table behind it — mining leader, mine share, refining leader, refining share and where each chain actually binds — with the honest caveat that shares move year to year and should be read as orders of magnitude rather than as a ledger.
The Commercial Machinery
Knowing the chemistry tells you what is possible. Knowing the contracts tells you what will actually arrive, at what price, and when.
Copper, aluminium, nickel and silver trade on exchanges and can be hedged. Lithium, cobalt, graphite and rare earths are assessed, and battery-grade specifications are not fungible enough to write a deliverable futures contract on — so those exposures have to be managed with inventory, contract structure and supplier diversity instead of financial instruments. This chapter covers how each material is priced, the four contract structures you will actually encounter, the lead-time mismatch that causes every cycle in this industry, and the working-capital burden that surprises manufacturers.
Assembling One Vehicle From Eleven Supply Chains
A mid-size EV is the convergence point of about a dozen independent global chains, any one of which can stop the line.
The bill of materials for a roughly 60 kWh vehicle, with the ore tonnage behind each entry — the column worth internalising, because it runs one to three orders of magnitude larger than the material itself. Copper is the extreme case at roughly 35 tonnes of rock for the 70 kg in the car. The chapter also makes the point that chemistry choice changes the exposure profile rather than simply the cost: an LFP vehicle carries no nickel or cobalt at all, but more lithium per kWh and a great deal more phosphorus.
Part 5
The Second Chain
Recycling, where the highest-grade deposit anyone has is the one already sold — and India’s position across all six stages, which is strong at both ends and absent in the middle.
Recycling — the Highest-Grade Deposit Is in the Vehicle Park
A copper mine at 0.6 per cent is economic. A cathode is 20 per cent nickel and 12 per cent cobalt. Spent batteries are, by grade, the richest ore body on the planet.
Black mass is one to two orders of magnitude richer than the ore any of these metals originally came from, so recycling has never been a chemistry problem — the obstacles are collection, disassembly and, with LFP, economics. This chapter covers the three process routes and what each loses, why hydrometallurgy dominates, why direct recycling works on production scrap and struggles with end-of-life mixtures, and the structural problem that the business case was built on nickel and cobalt: as LFP takes share, recycling economics get worse exactly as volumes get larger.
India — Strong at Both Ends, Absent in the Middle
The world’s second-largest aluminium producer, with a substantial steel and copper industry — and effectively 100 per cent import dependence for refined lithium, graphite anode and rare earth magnets.
India’s gap is precisely the midstream this series has been describing, and it is the same band that is missing for Europe, the United States and Japan. This chapter maps the country across all six stages by material, then covers what is actually being done — the National Critical Mineral Mission and its 2030 targets, the MMDR amendment, KABIL’s Argentine lithium blocks, processing parks and Centres of Excellence, and a PLI scheme for rare earth magnets. It closes with an honest assessment: mining is the easier half, and refining capability is measured in pilot plants commissioned rather than blocks auctioned.
Part 6
Reference
The whole argument compressed onto one page.
More chapters are being written. Third in a set with The Periodic Table of the EV and Magnets and Motors. Market shares and policy status are as of mid-2026 and move — verify current figures before relying on them commercially.