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Less is more

Carbon fibres maximize lithium usage, offering a path to realistic high-energy-density lithium-metal batteries.

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Competing interests

A company has licensed IP from Rice University to make lithium-anode batteries using a technology that is different from that in the article. J.M.T. and R.V.S. are named inventors on that Rice University-owned technology. J.M.T. and R.V.S. are stockholders in that company. J.M.T. is not an officer or director in that company. After writing this News and Views article, R.V.S. left Rice University and became an employee of that company. All conflicts of interest are managed through disclosures to the Rice University Office of Sponsored Projects and Research Compliance.

Correspondence to James M. Tour.

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Fig. 1: Lithium metal in unprotected anodes and in confined structures.