The battery that promises to change cell phones and electric cars still has a microscopic enemy: researchers discover how lithium dendrites pierce the solid electrolyte and are already testing ways to prevent cracks and short circuits.

Written by Fabio Lucas Carvalho Published on 10/07/2026 at 16:44

Os resultados indicaram que a pressão interna dos dendritos é a principal responsável pelas fraturas. À medida que crescem, eles exercem uma força que rompe o eletrólito cerâmico, abrindo caminho para curtos-circuitos.

Compreender esse mecanismo é crucial para o desenvolvimento de baterias de estado sólido mais seguras e eficientes. A pesquisa do Instituto Max Planck pode ajudar a criar soluções que impeçam o crescimento dos dendritos ou reforcem o eletrólito contra a pressão interna.

O avanço pode acelerar a chegada de baterias de estado sólido ao mercado, oferecendo dispositivos com maior autonomia e segurança.

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Researchers study ways to avoid failures

The conclusions were also confirmed by phase field simulations and electron backscatter diffraction measurements.

Now, the team is evaluating strategies to delay or prevent the damage. Among them are more resistant electrolytes, microscopic voids that deflect the dendrites, and protective coatings capable of reducing their formation on lithium electrodes.

The study was published in the journal Nature and brings together an interdisciplinary team.

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