1
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Structure and electrochemical properties of CNT-supported Li-Ti-O anode material for Li-ion battery. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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2
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Wang X, Cheng YJ, Liang S, Ji Q, Zhu J, Xia Y. Ultrafine SnO 2/Sn Nanoparticles Embedded into an In Situ Generated Meso-/Macroporous Carbon Matrix with a Tunable Pore Size. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:1689-1697. [PMID: 35084856 DOI: 10.1021/acs.langmuir.1c02726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Ultrafine SnO2/Sn nanoparticles encapsulated into an adjustable meso-/macroporous carbon matrix have been successfully fabricated by the in situ SiOx sacrificial strategy. The control over the void space in the carbon matrix effectively improves the accessibility of the SnO2/Sn toward an electrolyte solution. More importantly, the void space also provides an efficient means to accommodate the mechanical stress caused by the volume change of the SnO2/Sn over cycles. As a result, the enhanced electrolyte accessibility and suppressed mechanical stress improve the electrochemical performance regarding reversible capacity, cyclic stability, and rate capability. A reversible capacity of 1105 mAh g-1 is still retained after 290 cycles at 200 mAg-1, and the capacity still can keep at 107 mAh g-1 at a high current density of 10 A g-1.
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Affiliation(s)
- Xiaoyan Wang
- School of Materials and Chemical Engineering, Ningbo University of Technology, 201 Fenghua Road, Ningbo, Zhejiang 315211, P.R. China
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
- Ningbo Sino-Ukrainian New Materials Industrial Technologies Institute Co., Ltd., 777 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315000, P.R. China
| | - Ya-Jun Cheng
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
| | - Suzhe Liang
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
| | - Qing Ji
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
- Vehicle Energy and Safety Laboratory, Department of Mechanical Engineering, Ningbo University of Technology, Ningbo 315336, P.R. China
| | - Jin Zhu
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
| | - Yonggao Xia
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Rd, Zhenhai District, Ningbo, Zhejiang Province 315201, P.R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing 100049, P.R. China
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3
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Daubry A, Xu Z, Yang M, Cheng Y, Xia Y, Hu X. Enhanced Rate Performance of Lithium-Ion Battery Anodes Using Cobalt Incorporated Carbon Conductive Agent. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00273f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lithium-ion battery with enhanced rate performance is of crucial importance for practical applications. Extensive studies on structural design and surface modification of electrode materials to improve the rate performance have...
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4
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Liang S, Cheng YJ, Wang X, Xu Z, Ma L, Xu H, Ji Q, Zuo X, Müller-Buschbaum P, Xia Y. Impact of CO 2 activation on the structure, composition, and performance of Sb/C nanohybrid lithium/sodium-ion battery anodes. NANOSCALE ADVANCES 2021; 3:1942-1953. [PMID: 36133098 PMCID: PMC9419863 DOI: 10.1039/d1na00008j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 01/28/2021] [Indexed: 06/16/2023]
Abstract
Antimony (Sb) has been regarded as one of the most promising anode materials for both lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) and attracted much attention in recent years. Alleviating the volumetric effect of Sb during charge and discharge processes is the key point to promote Sb-based anodes to practical applications. Carbon dioxide (CO2) activation is applied to improve the rate performance of the Sb/C nanohybrid anodes caused by the limited diffusion of Li/Na ions in excessive carbon components. Based on the reaction between CO2 and carbon, CO2 activation can not only reduce the excess carbon content of the Sb/C nanohybrid but also create abundant mesopores inside the carbon matrix, leading to enhanced rate performance. Additionally, CO2 activation is also a fast and facile method, which is perfectly suitable for the fabrication system we proposed. As a result, after CO2 activation, the average capacity of the Sb/C nanohybrid LIB anode is increased by about 18 times (from 9 mA h g-1 to 160 mA h g-1) at a current density of 3300 mA g-1. Moreover, the application of the CO2-activated Sb/C nanohybrid as a SIB anode is also demonstrated, showing good electrochemical performance.
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Affiliation(s)
- Suzhe Liang
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- Physik-Department, Lehrstuhl für Funktionelle Materialien, Technische Universität München James-Franck-Str. 1 85748 Garching Germany
| | - Ya-Jun Cheng
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- Department of Materials, University of Oxford Parks Rd OX1 3PH Oxford UK
| | - Xiaoyan Wang
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
| | - Zhuijun Xu
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- University of Chinese Academy of Sciences 19A Yuquan Rd, Shijingshan District Beijing 100049 P. R. China
| | - Liujia Ma
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University Tianjin 300387 P. R. China
| | - Hewei Xu
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
| | - Qing Ji
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- The University of Nottingham Ningbo China 199 Taikang East Rd Ningbo Zhejiang Province 315100 P. R. China
| | - Xiuxia Zuo
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
| | - Peter Müller-Buschbaum
- Physik-Department, Lehrstuhl für Funktionelle Materialien, Technische Universität München James-Franck-Str. 1 85748 Garching Germany
- Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München Lichtenbergstr. 1 85748 Garching Germany
| | - Yonggao Xia
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences 1219 Zhongguan West Rd Ningbo Zhejiang Province 315201 P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences 19A Yuquan Rd, Shijingshan District Beijing 100049 P. R. China
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5
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Wang X, Zheng T, Cheng Y, Yin S, Xia Y, Ji Q, Xu Z, Liang S, Ma L, Zuo X, Meng J, Zhu J, Müller‐Buschbaum P. SnO
2
/Sn/Carbon nanohybrid lithium‐ion battery anode with high reversible capacity and excellent cyclic stability. NANO SELECT 2021. [DOI: 10.1002/nano.202000213] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Xiaoyan Wang
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Tianle Zheng
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Ya‐Jun Cheng
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
- Department of Materials University of Oxford Oxford OX1 3PH UK
| | - Shanshan Yin
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Yonggao Xia
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
- Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing P. R. China
| | - Qing Ji
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
- The University of Nottingham Ningbo China Ningbo Zhejiang Province P. R. China
| | - Zhuijun Xu
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
- University of Chinese Academy of Sciences Beijing P. R. China
| | - Suzhe Liang
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Liujia Ma
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
- State Key Laboratory of Separation Membranes and Membrane Processes Tianjin Polytechnic University Tianjin P. R. China
| | - Xiuxia Zuo
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Jian‐Qiang Meng
- State Key Laboratory of Separation Membranes and Membrane Processes Tianjin Polytechnic University Tianjin P. R. China
| | - Jin Zhu
- Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang Province P. R. China
| | - Peter Müller‐Buschbaum
- Lehrstuhl für Funktionelle Materialien Physik‐Department Technische Universität München Garching Germany
- Heinz Maier‐Leibnitz Zentrum (MLZ) Technische Universität München Garching Germany
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6
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Liu J, Zhong S, Chen Q, Meng L, Wang Q, Liao Z, Zhou J. Spherical Li 4Ti 5O 12/NiO Composite With Enhanced Capacity and Rate Performance as Anode Material for Lithium-Ion Batteries. Front Chem 2021; 8:626388. [PMID: 33384983 PMCID: PMC7770102 DOI: 10.3389/fchem.2020.626388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 11/23/2020] [Indexed: 11/13/2022] Open
Abstract
Compositing with metal oxides is proved to be an efficient strategy to improve electrochemical performance of anode material Li4Ti5O12 for lithium-ion batteries. Herein, spherical Li4Ti5O12/NiO composite powders have been successfully prepared via a spray drying method. X-ray diffraction and high-resolution transmission electron microscopy results demonstrate that crystal structure of the powders is spinel. Scanning electron microscopy results show that NiO uniformly distributes throughout Li4Ti5O12 matrix. It is found that compositing with NiO increases both discharge platform capacity and rate stability of Li4Ti5O12. The as-prepared Li4Ti5O12/NiO (5%) exhibits a high initial discharge capacity of 381.3 mAh g−1 at 0.1 C, and a discharge capacity of 194.7 mAh g−1 at an ultrahigh rate of 20 C.
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Affiliation(s)
- Jiequn Liu
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Shengkui Zhong
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Qingrong Chen
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Luchao Meng
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Qianyi Wang
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Zhijian Liao
- School of Marine Science and Technology, Hainan Tropical Ocean University, Sanya, China
| | - Jian Zhou
- School of Iron and Steel, Soochow University, Suzhou, China
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7
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Carbon-coated lithium titanate: effect of carbon precursor addition processes on the electrochemical performance. Front Chem Sci Eng 2020. [DOI: 10.1007/s11705-020-2022-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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8
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Kong D, Shen L, Mo R, Liu J, Tao R, Shi W, Ma S, Zhang C, Lu Y. CVD-assisted fabrication of hierarchical microparticulate Li 2TiSiO 5-carbon nanospheres for ultrafast lithium storage. NANOSCALE 2020; 12:13918-13925. [PMID: 32588865 DOI: 10.1039/d0nr02821e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Particular recent interest has been given to the Li2TiSiO5 (LTSO) anode material owing to its low lithiation potential (0.28 V vs. Li/Li+) and decent theoretical capacity (308 mA h g-1). However, its poor electronic conductivity (∼10-7 S m-1) fundamentally limits the utilization of this material, and current strategies fail to tackle such issues in practical ways. Herein, a hierarchical microparticulate LTSO-carbon composite (LTSO/C) is fabricated by chemical vapor deposition (CVD), where microsized LTSO/C particles assembled from nanospheres guarantee a practical tap density of ∼1.3 g mL-1. Meanwhile, significantly elevated conductivity of LTSO/C (∼103 S m-1) is achieved by a thin layer (15 nm) of graphitic carbon growth on LTSO, which is theoretically catalyzed by the surface functional groups on the parent LTSO. The electrochemical characterization of LTSO/C reveals a superior graphite-like volumetric capacity of 441.1 mA h cm-3 and Li4Ti5O12-like rate capability (120.1 mA h cm-3 at 4.5 A g-1), providing inspiring guidance for designing analogous Ti or Si-based compounds for ultrafast lithium storage materials.
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Affiliation(s)
- Dejia Kong
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA.
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9
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Metwalli E, Götz K, Lages S, Bär C, Zech T, Noll DM, Schuldes I, Schindler T, Prihoda A, Lang H, Grasser J, Jacques M, Didier L, Cyril A, Martel A, Porcar L, Unruh T. A novel experimental approach for nanostructure analysis: simultaneous small-angle X-ray and neutron scattering. J Appl Crystallogr 2020; 53:722-733. [PMID: 32684887 PMCID: PMC7312133 DOI: 10.1107/s1600576720005208] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 04/13/2020] [Indexed: 12/31/2022] Open
Abstract
Exploiting small-angle X-ray and neutron scattering (SAXS/SANS) on the same sample volume at the same time provides complementary nanoscale structural information in two different contrast situations. Unlike an independent experimental approach, the truly combined SAXS/SANS experimental approach ensures the exactness of the probed samples, particularly for in situ studies. Here, an advanced portable SAXS system that is dimensionally suitable for installation in the D22 zone of ILL is introduced. The SAXS apparatus is based on a Rigaku switchable copper/molybdenum microfocus rotating-anode X-ray generator and a DECTRIS detector with a changeable sample-to-detector distance of up to 1.6 m in a vacuum chamber. A case study is presented to demonstrate the uniqueness of the newly established method. Temporal structural rearrangements of both the organic stabilizing agent and organically capped gold colloidal particles during gold nanoparticle growth are simultaneously probed, enabling the immediate acquisition of correlated structural information. The new nano-analytical method will open the way for real-time investigations of a wide range of innovative nanomaterials and will enable comprehensive in situ studies on biological systems. The potential development of a fully automated SAXS/SANS system with a common control environment and additional sample environments, permitting a continual and efficient operation of the system by ILL users, is also introduced.
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Affiliation(s)
- Ezzeldin Metwalli
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Klaus Götz
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
- Center for Nanoanalysis and Electron Microscopy (CENEM) and Interdisciplinary Center for Nanostructured Films (IZNF), Friedrich-Alexander-Universität Erlangen–Nürnberg (FAU), Cauerstrasse 3, Erlangen, 91058, Germany
| | - Sebastian Lages
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Christian Bär
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Tobias Zech
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
- Center for Nanoanalysis and Electron Microscopy (CENEM) and Interdisciplinary Center for Nanostructured Films (IZNF), Friedrich-Alexander-Universität Erlangen–Nürnberg (FAU), Cauerstrasse 3, Erlangen, 91058, Germany
| | - Dennis M. Noll
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Isabel Schuldes
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Torben Schindler
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Annemarie Prihoda
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
- Center for Nanoanalysis and Electron Microscopy (CENEM) and Interdisciplinary Center for Nanostructured Films (IZNF), Friedrich-Alexander-Universität Erlangen–Nürnberg (FAU), Cauerstrasse 3, Erlangen, 91058, Germany
| | - Herbert Lang
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Jürgen Grasser
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
| | - Mark Jacques
- Institut Laue–Langevin, 71 Avenue des Martyrs, Grenoble, 38042, France
| | - Luc Didier
- Institut Laue–Langevin, 71 Avenue des Martyrs, Grenoble, 38042, France
| | - Amrouni Cyril
- Institut Laue–Langevin, 71 Avenue des Martyrs, Grenoble, 38042, France
| | - Anne Martel
- Institut Laue–Langevin, 71 Avenue des Martyrs, Grenoble, 38042, France
| | - Lionel Porcar
- Institut Laue–Langevin, 71 Avenue des Martyrs, Grenoble, 38042, France
| | - Tobias Unruh
- Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen–Nürnberg, Staudtstrasse 3, Erlangen, 91058, Germany
- Center for Nanoanalysis and Electron Microscopy (CENEM) and Interdisciplinary Center for Nanostructured Films (IZNF), Friedrich-Alexander-Universität Erlangen–Nürnberg (FAU), Cauerstrasse 3, Erlangen, 91058, Germany
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10
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Multiple regulation of surface engineering for lithium-rich layered cathode materials via one-step strategy. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134951] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Kim S, De Bruyn M, Alauzun JG, Louvain N, Brun N, Macquarrie DJ, Stievano L, Mutin PH, Monconduit L, Boury B. Dehydration of Alginic Acid Cryogel by TiCl 4 vapor: Direct Access to Mesoporous TiO 2 @C Nanocomposites and Their Performance in Lithium-Ion Batteries. CHEMSUSCHEM 2019; 12:2660-2670. [PMID: 30950578 DOI: 10.1002/cssc.201900781] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/01/2019] [Indexed: 06/09/2023]
Abstract
A new strategy for the synthesis of mesoporous TiO2 @C nanocomposites through the direct mineralization of seaweed-derived alginic acid cryogel by TiCl4 through a solid/vapor reaction pathway is presented. In this synthesis, alginic acid cryogel can have multiple roles; i) mesoporous template, ii) carbon source, and iii) oxygen source for the TiO2 precursor, TiCl4 . The resulting TiO2 @alginic acid composite was transformed either into pure mesoporous TiO2 by calcination or into mesoporous TiO2 @C nanocomposites by pyrolysis. By comparing with a nonporous TiO2 @C composite, the importance of the mesopores on the performance of electrodes for lithium-ion batteries based on mesoporous TiO2 @C composite was clearly evidenced. In addition, the carbon matrix in the mesoporous TiO2 @C nanocomposite also showed electrochemical activity versus lithium ions, providing twice the capacity of pure mesoporous TiO2 or alginic acid-derived mesoporous carbon (A600). Given the simplicity and environmental friendliness of the process, the mesoporous TiO2 @C nanocomposite could satisfy the main prerequisites of green and sustainable chemistry while showing improved electrochemical performance as a negative electrode for lithium-ion batteries.
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Affiliation(s)
- Sanghoon Kim
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
| | - Mario De Bruyn
- Green Chemistry Centre of Excellence, University of York, York, North Yorkshire, YO10, 5DD, UK
| | - Johan G Alauzun
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
| | - Nicolas Louvain
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, FR3459, 33 Rue Saint Leu, 80039, Amiens Cedex, France
| | - Nicolas Brun
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
| | - Duncan J Macquarrie
- Green Chemistry Centre of Excellence, University of York, York, North Yorkshire, YO10, 5DD, UK
| | - Lorenzo Stievano
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, FR3459, 33 Rue Saint Leu, 80039, Amiens Cedex, France
| | - P Hubert Mutin
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
| | - Laure Monconduit
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, FR3459, 33 Rue Saint Leu, 80039, Amiens Cedex, France
| | - Bruno Boury
- Institut Charles Gerhardt Montpellier, UMR 5253 Univ. Montpellier-CNRS-ENSCM, Montpellier, France
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12
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Zhao S, Zhang M, Wang Z, Xian X. Enhanced high-rate performance of Li4Ti5O12 microspheres/multiwalled carbon nanotubes composites prepared by electrostatic self-assembly. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.04.173] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Youjie L, Li R, Yang Y, Li Z. Lithium titanate anode for high-performance lithium-ion batteries using octadecylamine and folic acid-functionalized graphene oxide for fabrication of ultrathin lithium titanate nanoflakes and modification of binder. NEW J CHEM 2018. [DOI: 10.1039/c8nj03138j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Functionalized graphene oxide creates significant improvement in electrochemical performance of lithium titanate anode due to high conductivity and structural stability.
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Affiliation(s)
- Li Youjie
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Ruiyi Li
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Yongqiang Yang
- Jiangsu Graphene Inspection Technology Key Laboratory
- Jiangsu Province Special Equipment Safety Supervision and Inspection Institute Branch
- Wuxi 214122
- China
| | - Zaijun Li
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
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