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We should start planning for large lithium-ion battery demand, say materials scientists

October 11, 2017

The key materials that make up lithium-ion batteries, including manganese, nickel, and graphite, likely have sufficient supply to meet the anticipated long-term growth in demand for electric vehicles and portable electronics if we start planning now, say researchers in a perspective published October 11 in the journal Joule. Their first-of-its-kind analysis of the lithium-ion battery supply chain identified short-term challenges for obtaining lithium and cobalt, which may be mitigated by market responses, and the potential development of new cathode materials to replace cobalt.

"The theme that we see with material availability is there's often concern about whether there is enough x to meet new demand in y," says first author Elsa Olivetti, a materials scientist at the Massachusetts Institute of Technology. "You end up with a lot of hype without thoughtful care about where the challenges are, so let's panic where it's appropriate."

Lithium-ion batteries are increasingly attractive for electric cars because they are lightweight, powerful, and rechargeable. Like all batteries, lithium-ion batteries consist of an anode (typically graphite), a cathode (typically oxides of lithium, cobalt, nickel, and/or manganese), and a liquid electrolyte to transport the charge (a solution of lithium and other ions).

Based on publicly available data, the researchers assessed the availability of each of these elements and found cobalt to be most vulnerable to potential supply chain issues. Lithium is less of a concern because, even though the demand will significantly increase in the near future, it can be mined from a variety of sources, including rock and sea brine, and is abundant in several countries including Australia, Chile, and Argentina. The majority of cobalt is mined from the Democratic Republic of Congo, which introduces geo-political and supply chain disruption potential. Cobalt is currently economical to recycle, however, and this could help increase its long-term availability.

"Today, less than 1% of the automotive sector has any level of electrification, and almost half of Li-ion batteries are already going towards the automotive field. So we see that there's going to be an enormous push on some of the essential resources," says co-author Gerbrand Ceder (@cedergroup), of the Department of Materials Science & Engineering at the University of California, Berkeley. "We wrote this paper so people don't think, 'oh if I run out of cobalt, I'll just switch to something else.' There are real resource issues on the horizon that the industry can start planning for and avoid."

The researchers predict that supply and demand for cobalt may become unbalanced by 2025, but they suggest two longer-term strategies to handle the demand for the metal--enhancing recycling and developing new technologies. Cobalt is so attractive for lithium-ion batteries because the element creates stable cathode materials. Non-cobalt-containing cathodes have not been able to rival the cobalt-based cathodes, but recent studies have demonstrated that other cathode compounds with other metals, such as manganese, molybdenum, titanium or chromium, could act as substitutes.

One limitation of the study is that it is static and does not take into account world events such as hurricanes or wars that would almost certainly impact battery supplies. Whether supply can meet demand also depends on how the markets will react to increases or decreases in resource availability.

"Making predictions is hard, but I do think that there's information within the paper that will educate all of us." Ceder says. Olivetti adds: "We want to make sure that everyone is thinking about these issues, and that we have the right solution for whatever time on the horizon we're planning for."
The other co-authors on the perspective article are Gabrielle Gaustad, an expert in battery recycling at Rochester Institute of Technology and PhD candidate, and Xinkai Fu of MIT's Department of Materials Science & Engineering.

The authors acknowledge funding from the National Science Foundation.

There will be a webinar related to the paper on October 25, featuring presentations from Sam Jaffe (Cairn Energy Research Advisors), Elsa Olivetti (MIT), and Wei Tong (Lawrence Berkeley National Laboratory). For updates, visit

Joule, Olivetti et al.: "Lithium-ion Battery Supply Chain Considerations: Analysis of Potential Bottlenecks in Critical Metals"

Joule (@Joule_CP), published monthly by Cell Press, is a new home for outstanding and insightful research, analysis, and ideas addressing the need for more sustainable energy. A sister journal to Cell, Joule spans all scales of energy research, from fundamental laboratory research into energy conversion and storage up to impactful analysis at the global level. Visit: To receive Cell Press media alerts, contact

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