DataVXAdvanced Functional MaterialsPaper
journal article·2021-07Open access

Enabling High‐Performance NASICON‐Based Solid‐State Lithium Metal Batteries Towards Practical Conditions

Andrea Paolella, Xiang Liu, Amine Daali, Wenqian Xu, Inhui Hwang, Sylvio Savoie, Gabriel Girard, Alina Gheorghe Nita, Alexis Perea, Hendrix Demers, Wen Zhu, Abdelbast Guerfi, Ashok Vijh, Giovanni Bertoni, Gian Carlo Gazzadi, Giulia Berti, Chengjun Sun, Yang Ren, Karim Zaghib, Michel Armand, Chisu Kim, Gui‐Liang Xu, Khalil Amine

Advanced Functional Materials· Volume 31· Issue 30
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Source abstract

Abstract

Abstract Solid‐state lithium metal batteries (SSLMBs) are promising next‐generation high‐energy rechargeable batteries. However, the practical energy densities of the reported SSLMBs have been significantly overstated due to the use of thick solid‐state electrolytes, thick lithium (Li) anodes, and thin cathodes. Here, a high‐performance NASICON‐based SSLMB using a thin (60 µm) Li1.5Al0.5Ge1.5(PO4)3 (LAGP) electrolyte, ultrathin (36 µm) Li metal, and high‐loading (8 mg cm−2) LiFePO4 (LFP) cathode is reported. The thin and dense LAGP electrolyte prepared by hot‐pressing exhibits a high Li ionic conductivity of 1 × 10−3 S cm−1 at 80 °C. The assembled SSLMB can thus deliver an increased areal capacity of ≈1 mAh cm−2 at C/5 with a high capacity retention of ≈96% after 50 cycles under 80 °C. Furthermore, it is revealed by synchrotron X‐ray absorption spectroscopy and in situ high‐energy X‐ray diffraction that the side reactions between LAGP electrolyte and LFP cathode are significantly suppressed, while rational surface protection is required for Ni‐rich layered cathodes. This study provides valuable insights and guidelines for the development of high‐energy SSLMBs towards practical conditions.
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Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Layered Double Hydroxides Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Hydro‐Québec Center of Excellence in Transportation Electrification and Energy Storage Varennes Québec J0L 1N0 Canada

Chemical Sciences and Engineering division Argonne National Laboratory 9700 South Cass Avenue Lemont IL 60439 USA

X‐ray Science Division Argonne National Laboratory 9700 South Cass Avenue Lemont IL 60439 USA

Istituto Nanoscienze Consiglio Nazionale delle Ricerche Via Giuseppe Campi, 213/A Modena 41125 Italy

INRS Centre Énergie Matériaux Télécommunication 1650, boulevard Lionel‐Boulet Varennes Québec J3X 1S2 Canada

Department of Mining and Materials Engineering McGill University Wong Building, 3610 University Street Montreal QC H3A OC5 Canada

CIC Energigune Parque Tecnológico de Álava Albert Einstein, 48 Vitoria‐Gasteiz, Álava 01510 Spain

Department of Materials Science and Engineering Stanford University Stanford CA 94305 USA

Institute for Research & Medical Consulations Imam Abdulrahman Bin Faisal University (IAU) Dammam Saudi Arabia

Funding

Hydro-Québec · Argonne National Laboratory · U.S. Department of Energy · Vehicle Technologies Office · Office of Science

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