High performance dual-electrolyte magnesium-iodine batteries that can harmlessly resorb in the environment or in the body

Ivy Huang, Yamin Zhang, Hany M. Arafa, Shupeng Li, Abraham Vazquez-Guardado, Wei Ouyang, Fei Liu, Surabhi Madhvapathy, Joseph Woojin Song, Andreas Tzavelis, Jacob Trueb, Yeonsik Choi, William J. Jeang, Viviane Forsberg, Elizabeth Higbee-Dempsey, Nayereh Ghoreishi-Haack, Iwona Stepien, Keith Bailey, Shuling Han, Zheng Jenny ZhangCameron Good, Yonggang Huang, Amay J. Bandodkar*, John A. Rogers*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Batteries represent the dominant means for storing electrical energy, but many battery chemistries create waste streams that are difficult to manage, and most possess toxic components that limit their use in biomedical applications. Batteries constructed from materials capable of complete, harmless resorption into the environment or into living organisms after a desired period of operation bypass these disadvantages. However, previously reported eco/bioresorbable batteries offer low operating voltages and modest energy densities. Here, we introduce a magnesium-iodine chemistry and dual (ionic liquid/aqueous) electrolyte to overcome these limitations, enabling significant improvements in voltage, areal capacity, areal energy, areal power, volumetric energy, and volumetric power densities over any alternative. Systematic studies reveal key materials and design considerations. Demonstrations of this technology include power supplies for cardiac pacemakers, wireless environmental monitors, and thermal sensors/actuators. These results suggest strong potential for applications where commercial battery alternatives pose risks to the environment or the human body.

Original languageEnglish (US)
Pages (from-to)4095-4108
Number of pages14
JournalEnergy and Environmental Science
Issue number10
StatePublished - Sep 5 2022

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution


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