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Luo W, Cao M, Pan H, Wang Q, Ma Y, Wang C, Wang Y, Gu Y, Zhang L. Ant-nest-like Cu 2-xSe@C with biomimetic channels boosts the cycling performance for lithium storage. Dalton Trans 2021; 50:8330-8337. [PMID: 34038493 DOI: 10.1039/d1dt01061a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Controlling the microstructure and composition of electrodes is crucial to enhance their rate capability and cycling stability for lithium storage. Inspired by the highly interconnected network and good mechanical integrity of an ant-nest architecture, herein, a biomimetic strategy is proposed to enhance the electrochemical performance of Cu2-xSe. After facile carbonization and selenization treatments, the 3D Cu-MOF is successfully transformed into the final ant-nest-like Cu2-xSe@C (AN-Cu2-xSe@C). The AN-Cu2-xSe@C is composed of interconnected Cu2-xSe channels with amorphous carbon coated on the outer surface. The 3D interconnected channels within the AN-Cu2-xSe@C provide fast charge transport pathways and enhanced structural integrity to tolerate the large volume fluctuations of Cu2-xSe during cycling. When applied as the anode for lithium storage, the AN-Cu2-xSe@C shows remarkable electrochemical performance with a high capacity of 1452 mA h g-1 after 1200 cycles at 1.0 A g-1 and 879 mA h g-1 after 2500 cycles at 10.0 A g-1, respectively. Mechanism investigations demonstrate that the AN-Cu2-xSe@C experiences complicated conversion-intercalation co-existence reactions upon cycling. The existence of capacitive behaviour (74%) also contributes to the extended cycling performance. Our work offers a new avenue for designing a high performance electrode using the biomimetic concept.
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Affiliation(s)
- Wanshu Luo
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China.
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2
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Shang K, Gao J, Yin X, Ding Y, Wen Z. An Overview of Flexible Electrode Materials/Substrates for Flexible Electrochemical Energy Storage/Conversion Devices. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kezheng Shang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jiyuan Gao
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ximeng Yin
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
- College of Chemistry Fuzhou University Fuzhou 350002 China
| | - Yichun Ding
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
- College of Chemistry Fuzhou University Fuzhou 350002 China
| | - Zhenhai Wen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
- College of Chemistry Fuzhou University Fuzhou 350002 China
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3
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Zhang L, Qin X, Zhao S, Wang A, Luo J, Wang ZL, Kang F, Lin Z, Li B. Advanced Matrixes for Binder-Free Nanostructured Electrodes in Lithium-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1908445. [PMID: 32310315 DOI: 10.1002/adma.201908445] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 02/09/2020] [Accepted: 02/24/2020] [Indexed: 06/11/2023]
Abstract
Commercial lithium-ion batteries (LIBs), limited by their insufficient reversible capacity, short cyclability, and high cost, are facing ever-growing requirements for further increases in power capability, energy density, lifespan, and flexibility. The presence of insulating and electrochemically inactive binders in commercial LIB electrodes causes uneven active material distribution and poor contact of these materials with substrates, reducing battery performance. Thus, nanostructured electrodes with binder-free designs are developed and have numerous advantages including large surface area, robust adhesion to substrates, high areal/specific capacity, fast electron/ion transfer, and free space for alleviating volume expansion, leading to superior battery performance. Herein, recent progress on different kinds of supporting matrixes including metals, carbonaceous materials, and polymers as well as other substrates for binder-free nanostructured electrodes in LIBs are summarized systematically. Furthermore, the potential applications of these binder-free nanostructured electrodes in practical full-cell-configuration LIBs, in particular fully flexible/stretchable LIBs, are outlined in detail. Finally, the future opportunities and challenges for such full-cell LIBs based on binder-free nanostructured electrodes are discussed.
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Affiliation(s)
- Lihan Zhang
- Engineering Laboratory for the Next Generation Power and Energy Storage Batteries, Tsinghua Shenzhen International Gradute School, Tsinghua University, Shenzhen, 518055, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Xianying Qin
- Engineering Laboratory for the Next Generation Power and Energy Storage Batteries, Tsinghua Shenzhen International Gradute School, Tsinghua University, Shenzhen, 518055, China
| | - Shiqiang Zhao
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Aurelia Wang
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jun Luo
- Center for Electron Microscopy, TUT-FEI Joint Laboratory, Institute for New Energy Materials & Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Zhong Lin Wang
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Feiyu Kang
- Engineering Laboratory for the Next Generation Power and Energy Storage Batteries, Tsinghua Shenzhen International Gradute School, Tsinghua University, Shenzhen, 518055, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Zhiqun Lin
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Baohua Li
- Engineering Laboratory for the Next Generation Power and Energy Storage Batteries, Tsinghua Shenzhen International Gradute School, Tsinghua University, Shenzhen, 518055, China
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Han Y, Huang G, Xu S. Structural Reorganization-Based Nanomaterials as Anodes for Lithium-Ion Batteries: Design, Preparation, and Performance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1902841. [PMID: 31565861 DOI: 10.1002/smll.201902841] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/18/2019] [Indexed: 06/10/2023]
Abstract
In recent years, with the growing demand for higher capacity, longer cycling life, and higher power and energy density of lithium ion batteries (LIBs), the traditional insertion-based anodes are increasingly considered out of their depth. Herein, attention is paid to the structural reorganization electrode, which is the general term for conversion-based and alloying-based materials according to their common characteristics during the lithiation/delithiation process. This Review summarizes the recent achievements in improving and understanding the lithium storage performance of conversion-based anodes (especially the most widely studied transition metal oxides like Mn-, Fe-, Co-, Ni-, and Cu-based oxides) and alloying-based anodes (mainly including Si-, Sn-, Ge-, and Sb-based materials). The synthesis schemes, morphological control and reaction mechanism of these materials are also included. Finally, viewpoints about the challenges and feasible improvement measures for future development in this direction are given. The aim of this Review is to shed some light on future electrode design trends of structural reorganization anode materials for LIBs.
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Affiliation(s)
- Yu Han
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Guoyong Huang
- College of New Energy and Materials, China University of Petroleum-Beijing, Beijing, 102249, China
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Shengming Xu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
- Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing, 100084, China
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5
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Li Y, Duan F, Yang S, Deng Q, Liu S, Peng C. Design and synthesis of hierarchical NiO/Ni 3V 2O 8 nanoplatelet arrays with enhanced lithium storage properties. RSC Adv 2019; 9:39536-39544. [PMID: 35540651 PMCID: PMC9076189 DOI: 10.1039/c9ra08252b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 11/25/2019] [Indexed: 11/21/2022] Open
Abstract
Hierarchical NiO/Ni3V2O8 nanoplatelet arrays (NPAs) grown on Ti foil were prepared as free-standing anodes for Li-ion batteries (LIBs) via a simple one-step hydrothermal approach followed by thermal treatment to enhance Li storage performance. Compared to the bare NiO, the fabricated NiO/Ni3V2O8 NPAs exhibited significantly enhanced electrochemical performances with superior discharge capacity (1169.3 mA h g−1 at 200 mA g−1), excellent cycling stability (570.1 mA h g−1 after 600 cycles at current density of 1000 mA g−1) and remarkable rate capability (427.5 mA h g−1 even at rate of 8000 mA g−1). The excellent electrochemical performances of the NiO/Ni3V2O8 NPAs were mainly attributed to their unique composition and hierarchical structural features, which not only could offer fast Li+ diffusion, high surface area and good electrolyte penetration, but also could withstand the volume change. The ex situ XRD analysis revealed that the charge/discharge mechanism of the NiO/Ni3V2O8 NPAs included conversion and intercalation reaction. Such NiO/Ni3V2O8 NPAs manifest great potential as anode materials for LIBs with the advantages of a facile, low-cost approach and outstanding electrochemical performances. Hierarchical NiO/Ni3V2O8 nanoplatelet arrays (NPAs) grown on Ti foil were prepared as free-standing anodes for Li-ion batteries (LIBs) via a simple one-step hydrothermal approach followed by thermal treatment to enhance Li storage performance.![]()
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Affiliation(s)
- Yang Li
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
| | - Feng Duan
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
| | - Shuai Yang
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
| | - Qihuang Deng
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
| | - Songli Liu
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
| | - Cheng Peng
- College of Materials Science and Engineering, Yangtze Normal University Chongqing 408100 People's Republic of China +86-23-72790029 +86-23-72790029
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Liu Y, Chen Z, Jia H, Xu H, Liu M, Wu R. Iron-Doping-Induced Phase Transformation in Dual-Carbon-Confined Cobalt Diselenide Enabling Superior Lithium Storage. ACS NANO 2019; 13:6113-6124. [PMID: 31071263 DOI: 10.1021/acsnano.9b02928] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Transition metal chalcogenides (TMCs) have been investigated as promising anodes for high-performance lithium-ion batteries, but they usually suffer from poor conductivity and large volume variation, thus leading to unsatisfactory performance. Although nanostructure engineering and hybridization with conductive materials have been proposed to address this concern, a better performance toward practical device applications is still highly desired. Herein, we report an iron-doping-induced structural phase transition from pyrite-type (cubic) to marcasite-type (orthorhombic) phases in porous carbon/rGO-coupled CoSe2. The dual-carbon-confined orthorhombic CoSe2 ( o-Fe xCo1- xSe2@NC@rGO) composites exhibit dramatically enhanced lithium storage performance (920 mAh g-1 after 1000 cycles at 1.0 A g-1) over cubic CoSe2-based composites ( c-CoSe2@NC@rGO). The combined experimental studies and density functional theory calculations reveal that this doping-induced structural phase transformation strategy could create a favorable electronic structure and ensure a rapid charge transfer. These results demonstrate that the phase-transformation engineering may provide another opportunity in the design of high-performance TMC-based electrodes.
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Affiliation(s)
- Yang Liu
- Department of Materials Science , Fudan University , Shanghai 200433 , P.R. China
- Department of Chemistry , Fudan University , Shanghai 200433 , P.R. China
| | - Ziliang Chen
- Department of Materials Science , Fudan University , Shanghai 200433 , P.R. China
| | - Huaxian Jia
- Institute of Physics, Chinese Academy of Sciences , Beijing 100190 , P.R. China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Hongbin Xu
- Department of Materials Science , Fudan University , Shanghai 200433 , P.R. China
| | - Miao Liu
- Institute of Physics, Chinese Academy of Sciences , Beijing 100190 , P.R. China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , P.R. China
- Songshan Lake Materials Laboratory, Dongguan , Guangdong 523808 , P.R. China
| | - Renbing Wu
- Department of Materials Science , Fudan University , Shanghai 200433 , P.R. China
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Ma D, Zhu Q, Li X, Gao H, Wang X, Kang X, Tian Y. Unraveling the Impact of Ether and Carbonate Electrolytes on the Solid-Electrolyte Interface and the Electrochemical Performances of ZnSe@C Core-Shell Composites as Anodes of Lithium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2019; 11:8009-8017. [PMID: 30702859 DOI: 10.1021/acsami.8b21237] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The recognition of the solid electrolyte interface (SEI) between the electrode materials and electrolyte is limiting the selection of electrode materials, electrolytes, and further the electrochemical performance of batteries. Herein, we report ZnSe@C core-shell nanocomposites derived from ZIF-8 as anode materials of lithium-ion batteries, the electrochemical performances, and SEI films formed on ZnSe@C in both ether and carbonate electrolytes. It is found that ZnSe@C delivers a reversible capacity of 617.1 mA h·g-1 after 800 cycles at 1 A·g-1 in the ether electrolyte, much higher than that in the carbonate electrolyte. Both ex situ X-ray diffraction and X-ray photoelectron spectroscopies reveal that stable SEI films are formed on ZnSe@C in the ether electrolyte while selenium is involved in the formation of SEI films and further dissolved into the carbonate electrolyte because of the concurrent decomposition of electrolytes and insertion of Li+ into ZnSe, which differentiates between the cycling performances of ZnSe@C composites in ether and carbonate electrolytes.
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Affiliation(s)
- Dejun Ma
- School of Pharmacy , Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Qiulan Zhu
- School of Pharmacy , Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Xintao Li
- School of Pharmacy , Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Hongcheng Gao
- Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, School of Environment and Energy , South China University of Technology , Guangzhou 510006 , China
| | - Xiufang Wang
- School of Pharmacy , Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Xiongwu Kang
- Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, School of Environment and Energy , South China University of Technology , Guangzhou 510006 , China
| | - Yong Tian
- School of Pharmacy , Guangdong Pharmaceutical University , Guangzhou 510006 , China
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8
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Zhang X, Chen A, Zhong M, Zhang Z, Zhang X, Zhou Z, Bu XH. Metal–Organic Frameworks (MOFs) and MOF-Derived Materials for Energy Storage and Conversion. ELECTROCHEM ENERGY R 2018. [DOI: 10.1007/s41918-018-0024-x] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Yu J, Wang Y, Mou L, Fang D, Chen S, Zhang S. Nature-Inspired 2D-Mosaic 3D-Gradient Mesoporous Framework: Bimetal Oxide Dual-Composite Strategy toward Ultrastable and High-Capacity Lithium Storage. ACS NANO 2018; 12:2035-2047. [PMID: 29425020 DOI: 10.1021/acsnano.8b00168] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In allusion to traditional transition-metal oxide (TMO) anodes for lithium-ion batteries, which face severe volume variation and poor conductivity, herein a bimetal oxide dual-composite strategy based on two-dimensional (2D)-mosaic three-dimensional (3D)-gradient design is proposed. Inspired by natural mosaic dominance phenomena, Zn1-xCoxO/ZnCo2O4 2D-mosaic-hybrid mesoporous ultrathin nanosheets serve as building blocks to assemble into a 3D Zn-Co hierarchical framework. Moreover, a series of derivative frameworks with high evolution are controllably synthesized, based on which a facile one-pot synthesis process can be developed. From a component-composite perspective, both Zn1-xCoxO and ZnCo2O4 provide superior conductivity due to bimetal doping effect, which is verified by density functional theory calculations. From a structure-composite perspective, 2D-mosaic-hybrid mode gives rise to ladder-type buffering and electrochemical synergistic effect, thus realizing mutual stabilization and activation between the mosaic pair, especially for Zn1-xCoxO with higher capacity yet higher expansion. Moreover, the inside-out Zn-Co concentration gradient in 3D framework and rich oxygen vacancies further greatly enhance Li storage capability and stability. As a result, a high reversible capacity (1010 mA h g-1) and areal capacity (1.48 mA h cm-2) are attained, while ultrastable cyclability is obtained during high-rate and long-term cycles, rending great potential of our 2D-mosaic 3D-gradient design together with facile synthesis.
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Affiliation(s)
- Jia Yu
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Yanlei Wang
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
| | - Lihui Mou
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Daliang Fang
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Shimou Chen
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Suojiang Zhang
- Beijing Key Laboratory of Ionic Liquid Clean Process, Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
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Mou L, Yu J, Liu L, Zhang X, Chen S. Facile fabrication of layer-cake-like nano-micro hierarchical structure for high performance Li storage. RSC Adv 2017. [DOI: 10.1039/c7ra04326k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Layer-cake-like Co3O4/C with nano-micro hierarchical structure is prepared via a facile process, for high capacity, stability and tap density of Li storage.
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Affiliation(s)
- Lihui Mou
- Key Laboratory of Cosmetic
- China National Light Industry
- School of Science
- Beijing Technology and Business University
- Beijing 100048
| | - Jia Yu
- Beijing Key Laboratory of Ionic Liquid Clean Process
- Key Laboratory of Green Process and Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Lili Liu
- Key Laboratory of Cosmetic
- China National Light Industry
- School of Science
- Beijing Technology and Business University
- Beijing 100048
| | - Xiuyun Zhang
- College of Physics Science and Technology
- Yangzhou University
- Yangzhou 225002
- China
| | - Shimou Chen
- Beijing Key Laboratory of Ionic Liquid Clean Process
- Key Laboratory of Green Process and Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
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Liu L, Mou L, Yu J, Chen S. Urchin-like CoO–C micro/nano hierarchical structures as high performance anode materials for Li-ion batteries. RSC Adv 2017. [DOI: 10.1039/c6ra26937k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Urchin-like microspheres consisting of radial carbon-coated cobalt monoxide nanowires are designed, to fabricate a micro/nano hierarchical structure for efficient Li-storage.
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Affiliation(s)
- Lili Liu
- School of Science
- Beijing Technology and Business University
- Beijing 100048
- China
| | - Lihui Mou
- School of Science
- Beijing Technology and Business University
- Beijing 100048
- China
| | - Jia Yu
- Beijing Key Laboratory of Ionic Liquid Clean Process
- Key Laboratory of Green Process and Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Shimou Chen
- Beijing Key Laboratory of Ionic Liquid Clean Process
- Key Laboratory of Green Process and Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
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12
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Song Y, Cao Y, Wang J, Zhou YN, Fang F, Li Y, Gao SP, Gu QF, Hu L, Sun D. Bottom-up Approach Design, Band Structure, and Lithium Storage Properties of Atomically Thin γ-FeOOH Nanosheets. ACS APPLIED MATERIALS & INTERFACES 2016; 8:21334-21342. [PMID: 27471909 DOI: 10.1021/acsami.6b05506] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
As a novel class of soft matter, two-dimensional (2D) atomic nanosheet-like crystals have attracted much attention for energy storage devices due to the fact that nearly all of the atoms can be exposed to the electrolyte and involved in redox reactions. Herein, atomically thin γ-FeOOH nanosheets with a thickness of ∼1.5 nm are synthesized in a high yield, and the band and electronic structures of the γ-FeOOH nanosheet are revealed using density-functional theory calculations for the first time. The rationally designed γ-FeOOH@rGO composites with a heterostacking structure are used as an anode material for lithium-ion batteries (LIBs). A high reversible capacity over 850 mAh g(-1) after 100 cycles at 200 mA g(-1) is obtained with excellent rate capability. The remarkable performance is attributed to the ultrathin nature of γ-FeOOH nanosheets and 2D heterostacking structure, which provide the minimized Li(+) diffusion length and buffer zone for volume change. Further investigation on the Li storage electrochemical mechanism of γ-FeOOH@rGO indicates that the charge-discharge processes include both conversion reaction and capacitive behavior. This synergistic effect of conversion reaction and capacitive behavior originating from 2D heterostacking structure casts new light on the development of high-energy anode materials.
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Affiliation(s)
- Yun Song
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Yu Cao
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Jing Wang
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Yong-Ning Zhou
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Fang Fang
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Yuesheng Li
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Shang-Peng Gao
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Qin-Fen Gu
- Australia Synchrotron , 800 Blackburn Road, Clayton, 3168, Australia
| | - Linfeng Hu
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
| | - Dalin Sun
- Department of Materials Science, Fudan University , Shanghai 200433, P. R. China
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