Reversible epitaxial electrodeposition of metals in battery anodes

Author:

Zheng Jingxu1ORCID,Zhao Qing2ORCID,Tang Tian1ORCID,Yin Jiefu2,Quilty Calvin D.3ORCID,Renderos Genesis D.3ORCID,Liu Xiaotun2ORCID,Deng Yue1ORCID,Wang Lei4ORCID,Bock David C.4ORCID,Jaye Cherno5ORCID,Zhang Duhan6ORCID,Takeuchi Esther S.347,Takeuchi Kenneth J.34,Marschilok Amy C.347ORCID,Archer Lynden A.12ORCID

Affiliation:

1. Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853, USA.

2. Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA.

3. Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.

4. Energy Sciences Directorate, Brookhaven National Laboratory, Interdisciplinary Sciences Building, Building 734, Upton, NY 11973, USA.

5. Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.

6. Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA.

7. Department of Materials Science and Chemical Engineering, Stony Brook, NY 11794, USA.

Abstract

Controlling electrode growth Batteries with metal anodes can grow dendrites during cycling, which can cause short circuits in a battery or subsequently reduce the charge capacity. Zheng et al. developed a process to electrodeposit zinc on a graphene-coated stainless-steel electrode, such that the zinc forms plates with preferential orientation parallel to the electrode. This is achieved by depositing a graphene layer on stainless steel designed to epitaxially match the basal (002) plane of metallic zinc, minimizing lattice strain. During cycling, the zinc will redeposit in plate form rather than as a dendrite such that the batteries show excellent reversibility over thousands of cycles. Science , this issue p. 645

Funder

Basic Energy Sciences

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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