Nanoporous Hybrid Electrolytes for High-Energy Batteries Based on Reactive Metal Anodes

Zhengyuan Tu; Michael J. Zachman; Snehashis Choudhury; Shuya Wei; Lin Ma; Yuan Yang; Lena F. Kourkoutis; Lynden A. Archer

doi:10.1002/aenm.201602367

Nanoporous Hybrid Electrolytes for High-Energy Batteries Based on Reactive Metal Anodes

Zhengyuan Tu, Michael J. Zachman, Snehashis Choudhury, Shuya Wei, Lin Ma, Yuan Yang, Lena F. Kourkoutis, Lynden A. Archer

Research output: Contribution to journal › Article › peer-review

121 Scopus citations

Abstract

Successful strategies for stabilizing electrodeposition of reactive metals, including lithium, sodium, and aluminum are a requirement for safe, high-energy electrochemical storage technologies that utilize these metals as anodes. Unstable deposition produces high-surface area dendritic structures at the anode/electrolyte interface, which causes premature cell failure by complex physical and chemical processes that have presented formidable barriers to progress. Here, it is reported that hybrid electrolytes created by infusing conventional liquid electrolytes into nanoporous membranes provide exceptional ability to stabilize Li. Electrochemical cells based on γ-Al2O3 ceramics with pore diameters below a cut-off value above 200 nm exhibit long-term stability even at a current density of 3 mA cm−2. The effect is not limited to ceramics; similar large enhancements in stability are observed for polypropylene membranes with less monodisperse pores below 450 nm. These findings are critically assessed using theories for ion rectification and electrodeposition reactions in porous solids and show that the source of stable electrodeposition in nanoporous electrolytes is fundamental.

Original language	English (US)
Pages (from-to)	1602367
Journal	Advanced Energy Materials
Volume	7
Issue number	8
DOIs	https://doi.org/10.1002/aenm.201602367
State	Published - Jan 6 2017
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-C1-018-02
Acknowledgements: The authors are grateful to the Advanced Research Projects Agency-Energy (ARPA-E) award DE-AR-0000750, DE-FOA-001002 for supporting this study. The study also made use of the electrochemical characterization facilities of the KAUST-CU Center for Energy and Sustainability, which was supported by the King Abdullah University of Science and Technology (KAUST) through Award # KUS-C1-018-02. Electron microscopy facilities at the Cornell Center for Materials Research (CCMR), an NSF-supported MRSEC through Grant DMR-1120296, were also used for the study. Additional support for the FIB/SEM cryostage and transfer system was provided by the Kavli Institute at Cornell and the Energy Materials Center at Cornell, DOE EFRC BES (DE-SC0001086). M.J.Z. and L.F.K. acknowledge support by the David and Lucile Packard Foundation.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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title = "Nanoporous Hybrid Electrolytes for High-Energy Batteries Based on Reactive Metal Anodes",

abstract = "Successful strategies for stabilizing electrodeposition of reactive metals, including lithium, sodium, and aluminum are a requirement for safe, high-energy electrochemical storage technologies that utilize these metals as anodes. Unstable deposition produces high-surface area dendritic structures at the anode/electrolyte interface, which causes premature cell failure by complex physical and chemical processes that have presented formidable barriers to progress. Here, it is reported that hybrid electrolytes created by infusing conventional liquid electrolytes into nanoporous membranes provide exceptional ability to stabilize Li. Electrochemical cells based on γ-Al2O3 ceramics with pore diameters below a cut-off value above 200 nm exhibit long-term stability even at a current density of 3 mA cm−2. The effect is not limited to ceramics; similar large enhancements in stability are observed for polypropylene membranes with less monodisperse pores below 450 nm. These findings are critically assessed using theories for ion rectification and electrodeposition reactions in porous solids and show that the source of stable electrodeposition in nanoporous electrolytes is fundamental.",

author = "Zhengyuan Tu and Zachman, {Michael J.} and Snehashis Choudhury and Shuya Wei and Lin Ma and Yuan Yang and Kourkoutis, {Lena F.} and Archer, {Lynden A.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-018-02 Acknowledgements: The authors are grateful to the Advanced Research Projects Agency-Energy (ARPA-E) award DE-AR-0000750, DE-FOA-001002 for supporting this study. The study also made use of the electrochemical characterization facilities of the KAUST-CU Center for Energy and Sustainability, which was supported by the King Abdullah University of Science and Technology (KAUST) through Award # KUS-C1-018-02. Electron microscopy facilities at the Cornell Center for Materials Research (CCMR), an NSF-supported MRSEC through Grant DMR-1120296, were also used for the study. Additional support for the FIB/SEM cryostage and transfer system was provided by the Kavli Institute at Cornell and the Energy Materials Center at Cornell, DOE EFRC BES (DE-SC0001086). M.J.Z. and L.F.K. acknowledge support by the David and Lucile Packard Foundation. This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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doi = "10.1002/aenm.201602367",

language = "English (US)",

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T1 - Nanoporous Hybrid Electrolytes for High-Energy Batteries Based on Reactive Metal Anodes

AU - Tu, Zhengyuan

AU - Zachman, Michael J.

AU - Choudhury, Snehashis

AU - Wei, Shuya

AU - Ma, Lin

AU - Yang, Yuan

AU - Kourkoutis, Lena F.

AU - Archer, Lynden A.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-018-02 Acknowledgements: The authors are grateful to the Advanced Research Projects Agency-Energy (ARPA-E) award DE-AR-0000750, DE-FOA-001002 for supporting this study. The study also made use of the electrochemical characterization facilities of the KAUST-CU Center for Energy and Sustainability, which was supported by the King Abdullah University of Science and Technology (KAUST) through Award # KUS-C1-018-02. Electron microscopy facilities at the Cornell Center for Materials Research (CCMR), an NSF-supported MRSEC through Grant DMR-1120296, were also used for the study. Additional support for the FIB/SEM cryostage and transfer system was provided by the Kavli Institute at Cornell and the Energy Materials Center at Cornell, DOE EFRC BES (DE-SC0001086). M.J.Z. and L.F.K. acknowledge support by the David and Lucile Packard Foundation. This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2017/1/6

Y1 - 2017/1/6

N2 - Successful strategies for stabilizing electrodeposition of reactive metals, including lithium, sodium, and aluminum are a requirement for safe, high-energy electrochemical storage technologies that utilize these metals as anodes. Unstable deposition produces high-surface area dendritic structures at the anode/electrolyte interface, which causes premature cell failure by complex physical and chemical processes that have presented formidable barriers to progress. Here, it is reported that hybrid electrolytes created by infusing conventional liquid electrolytes into nanoporous membranes provide exceptional ability to stabilize Li. Electrochemical cells based on γ-Al2O3 ceramics with pore diameters below a cut-off value above 200 nm exhibit long-term stability even at a current density of 3 mA cm−2. The effect is not limited to ceramics; similar large enhancements in stability are observed for polypropylene membranes with less monodisperse pores below 450 nm. These findings are critically assessed using theories for ion rectification and electrodeposition reactions in porous solids and show that the source of stable electrodeposition in nanoporous electrolytes is fundamental.

AB - Successful strategies for stabilizing electrodeposition of reactive metals, including lithium, sodium, and aluminum are a requirement for safe, high-energy electrochemical storage technologies that utilize these metals as anodes. Unstable deposition produces high-surface area dendritic structures at the anode/electrolyte interface, which causes premature cell failure by complex physical and chemical processes that have presented formidable barriers to progress. Here, it is reported that hybrid electrolytes created by infusing conventional liquid electrolytes into nanoporous membranes provide exceptional ability to stabilize Li. Electrochemical cells based on γ-Al2O3 ceramics with pore diameters below a cut-off value above 200 nm exhibit long-term stability even at a current density of 3 mA cm−2. The effect is not limited to ceramics; similar large enhancements in stability are observed for polypropylene membranes with less monodisperse pores below 450 nm. These findings are critically assessed using theories for ion rectification and electrodeposition reactions in porous solids and show that the source of stable electrodeposition in nanoporous electrolytes is fundamental.

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SP - 1602367

JO - Advanced Energy Materials

JF - Advanced Energy Materials

IS - 8

ER -

Nanoporous Hybrid Electrolytes for High-Energy Batteries Based on Reactive Metal Anodes

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