Building a Better Li-Garnet Solid Electrolyte/Metallic Li Interface with Antimony

Dubey Romain; Sastre Jordi; Cancellieri Claudia; Okur Faruk; Forster Alexander; Pompizii Lea; Priebe Agnieszka; Romanyuk Yaroslav E.; Jeurgens Lars P. H.; Kovalenko Maksym V; Kravchyk Kostiantyn V

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Building a Better Li-Garnet Solid Electrolyte/Metallic Li Interface with Antimony

机译：建立一个更好的Li-Garnet固体电解质/金属Li界面与锑

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The deployment of Li-garnet Li7La3Zr2O12 (LLZO) solid-state electrolytes in solid-state batteries is severely hampered by their poor wettability with metallic Li. In this work, Sb is presented as a compelling interfacial layer allowing superior wetting of Li onto a LLZO surface, resulting in a remarkably low Li/LLZO interfacial resistance of 4.1(1) omega cm(2). An atomistic insight into Sb-coated LLZO interface using soft and hard X-ray photoelectron spectroscopy and focused ion beam time-of-flight secondary ion mass spectrometry shows the formation of a Li-Sb alloy as an interlayer. It is determined that the Li/Sb-coated LLZO/Li symmetrical cells exhibit a high critical current density of up to 0.64 mA cm(-2) and low overpotentials of 40-50 mV at a current density of 0.2 mA cm(-2) without applying external pressure. The electrochemical performance of Sb coated-LLZO pellets is also assessed with an intercalation-type V2O5 cathode. Li/Sb-coated-LLZO/V2O5 full cells deliver stable capacities of around 0.45 mAh cm(-2), with a peak current density of 0.3 mA cm(-2).

机译：通过金属锂的润湿性差，固态电池中的Li-arnet Li7la3zR2O12（Llzo）固态电解质的部署严重阻碍了它们的润湿性差。在这项工作中，Sb表示为令人振奋的界面层，允许LI的较高润湿在LLZO表面上，导致4.1（1）ωcm（2）的显着低/ llzo界面电阻。使用软和硬X射线光电子能谱和聚焦离子束飞行时间二次离子质谱法的原子洞察介绍了SB涂覆的LLZO界面，显示了作为中间层的Li-Sb合金的形成。确定Li / Sb涂覆的LLZO / Li对称电池具有高达0.64 mA cm（-2）的高临界电流密度，并且在电流密度为0.2 mA cm（-2））不施加外部压力。 SB涂覆-LZO粒料的电化学性能也用插层型V2O5阴极评估。 Li / Sb涂层-LLZO / V2O5全细胞可提供约0.45mAhcm（-2）的稳定容量，峰值电流密度为0.3 mA cm（-2）。

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来源
《Advanced energy materials》 |2021年第39期|2102086.1-2102086.12|共12页
作者
Dubey Romain; Sastre Jordi; Cancellieri Claudia; Okur Faruk; Forster Alexander; Pompizii Lea; Priebe Agnieszka; Romanyuk Yaroslav E.; Jeurgens Lars P. H.; Kovalenko Maksym V; Kravchyk Kostiantyn V;
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Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Empa Swiss Fed Labs Mat Sci & Technol Lab Joining Technol & Corros CH-8600 Dubendorf Switzerland;

Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Empa Swiss Fed Labs Mat Sci & Technol Lab Mech Mat & Nanostruct Feuerwerkerstr 39 CH-3602 Thun Switzerland;

Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Empa Swiss Fed Labs Mat Sci & Technol Lab Joining Technol & Corros CH-8600 Dubendorf Switzerland;

Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

Swiss Fed Inst Technol Lab Inorgan Chem Dept Chem & Appl Biosci CH-8093 Zurich Switzerland|Empa Swiss Fed Labs Mat Sci & Technol Lab Thin Films & Photovolta CH-8600 Dubendorf Switzerland;

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antimony; critical current density; interfacial layers; Li-ion batteries; LLZO; solid-state batteries; symmetrical cells;

机译：锑;临界电流密度;界面层;锂离子电池;LLZO;固态电池;对称电池;

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1. Building better all-solid-state batteries with Li-garnet solid electrolytes and metalloid anodes [J] . Afyon Semih, Kravchyk Kostiantyn V., Wang Shutao, Journal of Materials Chemistry, A. Materials for energy and sustainability . 2019,第37期

机译：用Li-Garnet固体电解质和金属阳极构建更好的全固态电池
2. Toward garnet electrolyte–based Li metal batteries: An ultrathin, highly effective, artificial solid-state electrolyte/metallic Li interface [J] . Yunhui Gong, Boyang Liu, Yizhou Zhu, Science Advances . 2017,第4期

机译：走向石榴石电解质的LI金属电池：超薄，高效，人工固态电解质/金属LI界面
3. Searching for low-cost LixMOy compounds for compensating Li-loss in sintering of Li-Garnet solid electrolyte [J] . XiaoHuang, ZhenSong, TongpingXiu, Journal of Materiomics . 2019,第2期

机译：寻找低成本的LixMOy化合物以补偿锂石榴石固体电解质烧结中的锂损失
4. Synthesis and Characterization of ceria eo-doped with Samarium(Sm) and Antimony: a potential candidate as a solid electrolyte for intermediate temperature solid oxide fuel cells [C] . Sandhya K, Chitra Priya N S, Deepthi N Rajendran International Conference on Materials Science and Technology . 2018

机译：用钐（SM）和锑的合成与表征钐（SM）和锑：中间温度固体氧化物燃料电池的固体电解质潜在候选
5. Investigation of High-Performance Lithium-Ion Batteries Based on Highly Conductive Li7La3Zr2O12 Solid-State Electrolyte and Stable Electrode-Electrolyte Interface [D] . Li, Junhao. 2021

机译：基于高导电Li7LA3ZR2O12固态电解质和稳定电极电解质界面的高性能锂离子电池研究
6. Toward garnet electrolyte–based Li metal batteries: An ultrathin highly effective artificial solid-state electrolyte/metallic Li interface [O] . Kun (Kelvin) Fu, Yunhui Gong, Boyang Liu, 2017

机译：面向基于石榴石电解质的锂金属电池：超薄高效人工固态电解质/金属锂界面
7. Building better all-solid-state batteries with Li-garnet solid electrolytes and metalloid anodes [O] . Semih Afyon, Kostiantyn V. Kravchyk, Shutao Wang, 2019

机译：用Li-Garnet固体电解质和金属阳极构建更好的全固态电池
8. Enhanced Ceria Solid Electrolyte Fuel Cell Development. Reduction of Electronic Conductivity Permits use of a Solid Ceria Electrolyte in High Efficiency High Power Density Fuel Cells at Temperatures Compatible with Metallic Cell Hardware. [R] . Maricle, D. L. 1990

机译：增强的二氧化铈固体电解质燃料电池开发。降低电子电导率允许在高效高功率密度燃料电池中使用固体氧化铈电解质，其温度与金属电池硬件兼容。

Building a Better Li-Garnet Solid Electrolyte/Metallic Li Interface with Antimony

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