Na3Zr2Si2PO12 Solid Electrolyte Membrane for High-Performance Seawater Battery

Mengya Li; Marm Dixit; Rachid Essehli; Charl J. Jafta; Ruhul Amin; Mahalingam Balasubramanian; Ilias Belharouak

doi:10.1002/advs.202300920

Na₃Zr₂Si₂PO₁₂ Solid Electrolyte Membrane for High-Performance Seawater Battery

Mengya Li, Marm Dixit, Rachid Essehli, Charl J. Jafta, Ruhul Amin, Mahalingam Balasubramanian, Ilias Belharouak

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

8 Scopus citations

Abstract

Seawater batteries (SWBs) have gained tremendous interest in the electrochemical energy storage research field because of their low cost, natural abundance, and potential use for long-duration energy storage. Advancing a SWB to demonstration projects is plagued by the poor electrochemical performance stemming from the poor interfaces of the solid electrolyte (SE), as well as the structural and chemical instabilities and sluggish ionic transport properties. In this study, the anode compartment of a surrogate SWB is constructed with a Na | SE | hard carbon configuration, and tailored dopants are introduced into the Nasicon-type Na₃Zr₂Si₂PO₁₂(NZSP) SE membrane. After doping with TiO₂, a much more densely packed pellet with uniformly distributed porous structure is obtained. Changes in surface chemistry and local structure in the bulk are observed, which are believed to contribute to the improved ionic conductivity and higher critical current density of the TiO₂-doped NZSP. Stable cycling performance with reversible capacities based on different Na storage mechanisms are also demonstrated.

Original language	English
Article number	2300920
Journal	Advanced Science
Volume	10
Issue number	17
DOIs	https://doi.org/10.1002/advs.202300920
State	Published - Jun 13 2023

Funding

This research at Oak Ridge National Laboratory, managed by UT‐Battelle, LLC, for the US Department of Energy (DOE) under contract DE‐AC05‐00OR22725, was sponsored by the Laboratory Directed Research and Development Program at Oak Ridge National Laboratory. Marm Dixit was also supported by the Alvin M. Weinberg Fellowship at Oak Ridge National Laboratory. SEM and XRD characterizations were conducted as part of a user project at the Center for Nanophase Materials Sciences, which is a DOE Office of Science User Facility at Oak Ridge National Laboratory. This research also used resources of the Advanced Photon Source, a DOE Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under contract no. DE‐AC02‐06CH11357. The authors would like to thank Pavel Shevchenko and Francesco de Carlo for their help with the tomography experiments. This manuscript has been authored by UT‐Battelle, LLC, under contract DE‐AC05‐00OR22725 with the US Department of Energy (DOE).

Funders	Funder number
U.S. Department of Energy	DE‐AC05‐00OR22725
Office of Science
Argonne National Laboratory	DE‐AC02‐06CH11357
Oak Ridge National Laboratory

Keywords

Nasicon
long-duration energy storage
seawater battery
sodium ion
solid-state electrolyte

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/advs.202300920

Cite this

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title = "Na3Zr2Si2PO12 Solid Electrolyte Membrane for High-Performance Seawater Battery",

abstract = "Seawater batteries (SWBs) have gained tremendous interest in the electrochemical energy storage research field because of their low cost, natural abundance, and potential use for long-duration energy storage. Advancing a SWB to demonstration projects is plagued by the poor electrochemical performance stemming from the poor interfaces of the solid electrolyte (SE), as well as the structural and chemical instabilities and sluggish ionic transport properties. In this study, the anode compartment of a surrogate SWB is constructed with a Na | SE | hard carbon configuration, and tailored dopants are introduced into the Nasicon-type Na3Zr2Si2PO12(NZSP) SE membrane. After doping with TiO2, a much more densely packed pellet with uniformly distributed porous structure is obtained. Changes in surface chemistry and local structure in the bulk are observed, which are believed to contribute to the improved ionic conductivity and higher critical current density of the TiO2-doped NZSP. Stable cycling performance with reversible capacities based on different Na storage mechanisms are also demonstrated.",

keywords = "Nasicon, long-duration energy storage, seawater battery, sodium ion, solid-state electrolyte",

author = "Mengya Li and Marm Dixit and Rachid Essehli and Jafta, {Charl J.} and Ruhul Amin and Mahalingam Balasubramanian and Ilias Belharouak",

note = "Publisher Copyright: {\textcopyright} 2023 The Authors. Advanced Science published by Wiley-VCH GmbH.",

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AU - Li, Mengya

AU - Dixit, Marm

AU - Essehli, Rachid

AU - Jafta, Charl J.

AU - Amin, Ruhul

AU - Balasubramanian, Mahalingam

AU - Belharouak, Ilias

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Y1 - 2023/6/13

N2 - Seawater batteries (SWBs) have gained tremendous interest in the electrochemical energy storage research field because of their low cost, natural abundance, and potential use for long-duration energy storage. Advancing a SWB to demonstration projects is plagued by the poor electrochemical performance stemming from the poor interfaces of the solid electrolyte (SE), as well as the structural and chemical instabilities and sluggish ionic transport properties. In this study, the anode compartment of a surrogate SWB is constructed with a Na | SE | hard carbon configuration, and tailored dopants are introduced into the Nasicon-type Na3Zr2Si2PO12(NZSP) SE membrane. After doping with TiO2, a much more densely packed pellet with uniformly distributed porous structure is obtained. Changes in surface chemistry and local structure in the bulk are observed, which are believed to contribute to the improved ionic conductivity and higher critical current density of the TiO2-doped NZSP. Stable cycling performance with reversible capacities based on different Na storage mechanisms are also demonstrated.

AB - Seawater batteries (SWBs) have gained tremendous interest in the electrochemical energy storage research field because of their low cost, natural abundance, and potential use for long-duration energy storage. Advancing a SWB to demonstration projects is plagued by the poor electrochemical performance stemming from the poor interfaces of the solid electrolyte (SE), as well as the structural and chemical instabilities and sluggish ionic transport properties. In this study, the anode compartment of a surrogate SWB is constructed with a Na | SE | hard carbon configuration, and tailored dopants are introduced into the Nasicon-type Na3Zr2Si2PO12(NZSP) SE membrane. After doping with TiO2, a much more densely packed pellet with uniformly distributed porous structure is obtained. Changes in surface chemistry and local structure in the bulk are observed, which are believed to contribute to the improved ionic conductivity and higher critical current density of the TiO2-doped NZSP. Stable cycling performance with reversible capacities based on different Na storage mechanisms are also demonstrated.

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