General Strategy To Synthesize Highly Dense Metal Oxide Quantum Dots-Anchored Nitrogen-Rich Graphene Compact Monoliths To Enable Fast and High-Stability Volumetric Lithium/Sodium Storage

  • Junlu Zhu
    Junlu Zhu
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Junlu Zhu
  • Yunyong Li*
    Yunyong Li
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    *E-mail: [email protected]. Phone: +86-20-39322570. Fax: +86 20 39322570.
    More by Yunyong Li
  • Ying Huang
    Ying Huang
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Ying Huang
  • Changzhi Ou
    Changzhi Ou
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Changzhi Ou
  • Xingxing Yuan
    Xingxing Yuan
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
  • Liang Yan
    Liang Yan
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Liang Yan
  • Wenwu Li
    Wenwu Li
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Wenwu Li
  • Haiyan Zhang
    Haiyan Zhang
    Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, No. 100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
    More by Haiyan Zhang
  • , and 
  • Pei Kang Shen
    Pei Kang Shen
    Collaborative Innovation Center of Sustainable Energy Materials, Guangxi University, Nanning, Guangxi 530004, China
Cite this: ACS Appl. Energy Mater. 2019, 2, 5, 3500–3512
Publication Date (Web):April 10, 2019
https://doi.org/10.1021/acsaem.9b00279
Copyright © 2019 American Chemical Society
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Abstract

Volumetric performance of a material is more attractive than gravimetric performance in consumer electronics and electric vehicles but rarely emphasized in earlier studies of lithium-ion batteries (LIBs), especially current sodium-ion batteries (SIBs). Herein, we report a simple and general strategy with the assistance of a small amount of graphene oxide (∼10 wt %) as an “assembled binder” to design porous yet highly dense metal oxide quantum dots-anchored nitrogen-rich reduced graphene oxide (denoted as HD-MOx-N-RGO) compact monoliths. By taking TiO2 as a representative, the as-fabricated HD-TiO2-N-RGO compact monolith, consisting of well-dispersed and ultrasmall-sized TiO2 quantum dots (∼4.0 nm) anchored on N-RGO, exhibits a high electrical conductivity of 343.7 S m–1, high density of 1.8 g cm–3, and porosity, thus both leading to high gravimetric and volumetric capacities without degradation after 100 cycles at 0.1 A g–1 and superior rate capability at 10 or 5 A g–1 as anode in LIBs and SIBs, respectively. More importantly, when the current density is increased to 2.0 A g–1, it still both exhibits a high-stability lifespan with over 91% capacity retention after 1000 cycles in LIBs and SIBs. Detailed analysis of microstructures, composition, and electrochemical kinetics reveal that the superior rate and long-cycling performance stem from the ultrasmall size of TiO2-QDs and the strong interaction between N-RGO and TiO2, which not only facilitates bulk Li+/Na+ intercalation, but also improves the interfacial Li/Na storage. This study demonstrates our strategy is very promising in designing compact energy storage materials with fast and high-stability volumetric performance.

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Cited By


This article is cited by 12 publications.

  1. Yunyong Li, Changzhi Ou, Junlu Zhu, Zhonggang Liu, Jianlin Yu, Wenwu Li, Haiyan Zhang, Qiaobao Zhang, Zaiping Guo. Ultrahigh and Durable Volumetric Lithium/Sodium Storage Enabled by a Highly Dense Graphene-Encapsulated Nitrogen-Doped [email protected] Compact Monolith. Nano Letters 2020, 20 (3) , 2034-2046. https://doi.org/10.1021/acs.nanolett.9b05349
  2. Taiyu Lyu, Lizhe Liang, Pei Kang Shen. Hollow porous carbon spheres for high initial coulombic efficiency and low-potential sodium ion storage. Journal of Colloid and Interface Science 2021, 604 , 168-177. https://doi.org/10.1016/j.jcis.2021.06.158
  3. Yu Huang, Yanwei Li, Renshu Huang, Jingcheng Ji, Jinhuan Yao, Shunhua Xiao. One-pot hydrothermal synthesis of N-rGO supported Fe2O3 nanoparticles as a superior anode material for lithium-ion batteries. Solid State Ionics 2021, 368 , 115693. https://doi.org/10.1016/j.ssi.2021.115693
  4. Li-Min Zhu, Guo-Chun Ding, Qing Han, Yong-Xia Miao, Xin Li, Xin-Li Yang, Lei Chen, Gong-Ke Wang, Ling-Ling Xie, Xiao-Yu Cao. Enhancing electrochemical performances of small quinone toward lithium and sodium energy storage. Rare Metals 2021, 26 https://doi.org/10.1007/s12598-021-01813-1
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  7. Sung-Woo Park, Hyun Jung Shin, Young Jin Heo, Dong-Wan Kim. Rational design of S, N Co-doped reduced graphene oxides/pyrrhotite Fe7S8 as free-standing anodes for large-scale, ultrahigh-rate and long-lifespan Li- and Na-ion batteries. Applied Surface Science 2021, 540 , 148358. https://doi.org/10.1016/j.apsusc.2020.148358
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  10. Rui Zhang, Zheng Tang, Haiyan Wang, Dan Sun, Yougen Tang, Zhiyong Xie. The fabrication of hierarchical [email protected]/rGO composite as high reversible anode material for lithium ion batteries. Electrochimica Acta 2020, 364 , 136996. https://doi.org/10.1016/j.electacta.2020.136996
  11. Zhaoqian Yan, Zhihao Sun, Kaicheng Yue, Anran Li, Lei Qian. CoO/ZnO nanoclusters immobilized on N-doped 3 D reduced graphene oxide for enhancing lithium storage capacity. Journal of Alloys and Compounds 2020, 836 , 155443. https://doi.org/10.1016/j.jallcom.2020.155443
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