The cobalt claim hides one key detail most critics never mention

Rasmus Johansson profile image Rasmus Johansson Published: Last edited: Read: 7 min
A large bucket wheel excavator operates in a vast industrial mining area, illustrating heavy machinery in action.
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The claim that “electric vehicles are built on child labour in cobalt mines” spreads fast because it contains a painful truth: children have worked in parts of the artisanal mining sector in the Democratic Republic of the Congo (DRC). But it often leaves out what matters most for climate and justice: cobalt is not “the EV metal,” the battery industry is actively engineering cobalt out, and new rules are forcing traceability and accountability at a scale the fossil economy never delivered. As transport emissions keep rising globally, electrification remains one of the fastest levers to cut pollution—if we also clean up mineral supply chains. The real question isn’t whether the problem exists, but whether we use it to fix abuses—or to delay the clean transition.

Photos and testimonies from the Democratic Republic of the Congo have made cobalt a symbol of the dark side of modern supply chains. Investigations and advocacy work have documented children working in dangerous conditions in parts of the informal, artisanal mining sector (ASM) in southern DRC, including children as young as seven in some reports Amnesty International’s cobalt campaign. The U.S. Department of Labor also lists cobalt from DRC among goods linked to child labour U.S. Department of Labor – DRC report. None of that should be minimized. If the clean transition repeats old exploitation, it fails morally—and it will fail politically.

But turning that reality into a sweeping verdict—“EVs are built on child labour”—is not only inaccurate, it is also a convenient way to defend the status quo. Cobalt is used across the lithium-ion battery world, including consumer electronics and energy storage, not just cars. In fact, the cobalt industry’s own market reporting shows how large the battery ecosystem really is: lithium-ion batteries accounted for 76% of cobalt demand in 2024, with major slices going to both EV-related batteries and portable electronics Cobalt Institute – Cobalt Market Report 2024. If someone condemns EVs on cobalt grounds but keeps upgrading phones, laptops, and cordless tools without the same scrutiny, the argument isn’t principled—it’s selective.

More importantly, the technical foundation of the accusation is getting weaker year by year. Battery makers have been reducing cobalt content for a decade, and the shift is measurable. Adamas Intelligence reported that the average EV sold globally from January through August 2025 contained about 2.2 kg of cobalt, down 17% from the year before Adamas Intelligence analysis. That is not a small tweak; it reflects a systematic redesign of cathodes and a rapid move toward chemistries that need little or no cobalt.

The biggest trend is cobalt-free chemistry going mainstream. Lithium iron phosphate (LFP) contains no cobalt and has expanded quickly because it is cheaper, durable, and increasingly “good enough” for many drivers. The International Energy Agency notes that LFP supplied more than 40% of global EV battery demand by capacity in 2023 IEA – Global EV Outlook 2024, battery trends. And the shift is accelerating beyond wealthy markets: in February 2026, the IEA reported that LFP now powers well over half of electric car sales in emerging and developing economies—driven in part by the spread of affordable LFP-based vehicles IEA commentary on battery markets. In other words, the world is not locking itself into cobalt dependence; it is actively diversifying away from it.

Critics often answer: “Even if cobalt per car is falling, total demand still rises as EV sales grow.” That is the strongest counterargument, because it sounds like math. But it still misses the real comparison. First, rising EV adoption is happening because climate physics is not negotiating. Transport emissions have increased dramatically over the long term, and road transport dominates the sector’s emissions IPCC AR6 WGIII, Transport chapter. The IPCC is clear that when powered by low-carbon electricity, electric vehicles can significantly reduce emissions compared with the status quo IPCC AR6 WGIII Chapter 10 (SOD). Using cobalt abuses as a reason to slow electrification effectively chooses continued oil burning—an industry with its own entrenched record of pollution, corruption risk, and human harm—while also locking in emissions that cannot be “recycled” later. Metals can be redesigned out, substituted, traced, and eventually recovered; gasoline can only be burned once.

Second, the “total demand” argument treats supply chains as if they are static. They are not. DRC is a dominant producer, and that concentration creates both risks and leverage for reform. Supply changes, new projects, and policy interventions are already reshaping the market. At the same time, researchers and policymakers are pushing more transparency precisely because battery minerals are becoming strategic. This is one reason global governance initiatives have grown around batteries, including efforts to build traceability tools and shared standards. The Global Battery Alliance (GBA) has explicitly tied the development of a battery passport to verifying sustainability criteria and addressing child labour risks in cobalt sourcing Global Battery Alliance statement.

Third, solutions must be judged by outcomes on the ground—not by how morally satisfying it feels to boycott. A simplistic “no Congo minerals” approach can backfire by pushing families deeper into poverty and driving mining further into illegality. What works better is formalization, monitoring, and community investment—combined with real purchasing power that rewards verified practices. The International Labour Organization launched a project in 2024 specifically aimed at strengthening remediation services and systems addressing child labour in the cobalt mining sector in DRC ILO – GALAB project launch. That kind of work is slow, unglamorous, and essential.

There is also a crucial nuance that the loudest myth usually ignores: the highest-risk labour problems are heavily associated with informal ASM, not with every ton of cobalt produced. Estimates of ASM’s share of production vary by year, site, and methodology. Some older summaries discuss much higher shares, while peer-reviewed research has estimated ASM cobalt as roughly 9–11% of DRC mine production in 2020 PNAS study on DRC cobalt supply chains. Regardless of the exact percentage, the ethical response is the same: identify high-risk streams, require robust due diligence, and expand the share of verified, legal, traceable material—rather than claiming that every EV is “powered by child labour.”

Due diligence is not a buzzword; it is a practical playbook. The OECD’s widely used guidance applies to companies throughout mineral supply chains and is designed to prevent contributions to human rights abuses and conflict in high-risk contexts OECD Due Diligence Guidance (PDF). This matters globally because it gives governments, investors, and buyers a shared framework for audits, risk mitigation, and disengagement when necessary. It also matters for storytelling: “the EV supply chain must clean up” is not a vague aspiration anymore; it is increasingly becoming a measurable compliance task.

And here is the uncomfortable but necessary conclusion: the myth is dangerous not because it points to a real injustice, but because it often stops there. It frames the choice as “dirty EVs vs clean gasoline,” when the true choice is “dirty supply chains we can improve vs a fossil system that guarantees rising emissions.” The clean transition will require relentless pressure on mining standards, traceability, and corporate accountability. But it also requires speed. Every year we delay electrification, we burn more oil, lock in more warming, and widen the future burden on the poorest communities—many of whom are also the ones mining the minerals the world needs.

So the best answer to “EVs are built on child labour” is not denial. It is a demand: build EVs without child labour—through verified sourcing, stronger enforcement, transparent reporting, and battery chemistries that reduce or eliminate cobalt. The good news is that this is already happening in parallel: cobalt intensity per EV is falling, LFP adoption is surging, and global institutions are building tools to measure and improve supply-chain performance Adamas Intelligence analysis IEA – EV battery trends IEA commentary on battery markets. That is exactly the direction a serious climate response should take: decarbonize fast, and refuse to outsource the moral cost to vulnerable children.