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Yang D, Huang R, Zou B, Wang R, Wang Y, Ang EH, Song X. Unraveling nanosprings: morphology control and mechanical characterization. MATERIALS HORIZONS 2024; 11:3500-3527. [PMID: 38864466 DOI: 10.1039/d4mh00503a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
Nanosprings demonstrate promising mechanical characteristics, positioning them as pivotal components in a diverse array of potential nanoengineering applications. To unlock the full potential of these nanosprings, ongoing research is concentrated on emulating springs at the nanoscale in terms of both morphology and function. This review underscores recent advancements in the field and provides a comprehensive overview of the diverse methods employed for nanospring preparation. Understanding the general mechanism behind nanospring formation lays the groundwork for the informed design of nanosprings. The synthesis section delineates four prominent methods employed for nanospring fabrication: vapor phase synthesis, templating methods, post-treatment techniques, and molecular engineering. Each method is critically analyzed, highlighting its strengths, limitations, and potential for scalability. Mechanical properties of nanosprings are explored in depth, discussing their response to external stimuli and their potential applications in various fields such as sensing, energy storage, and biomedical engineering. The interplay between nanospring morphology and mechanical behavior is elucidated, providing insights into the design principles for tailored functionality. Additionally, we anticipate that the evolution of state-of-the-art characterization tools, such as in situ transmission electron microscopy, 3D electron tomography, and machine learning, will significantly contribute to both the study of nanospring mechanisms and their applications.
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Affiliation(s)
- Dahai Yang
- School of Materials Science and Engineering, Hefei University of Technology, Anhui Province, 230009, China.
| | - Rui Huang
- School of Materials Science and Engineering, Hefei University of Technology, Anhui Province, 230009, China.
| | - Bolin Zou
- School of Materials Science and Engineering, Hefei University of Technology, Anhui Province, 230009, China.
| | - Ruoxu Wang
- Department of Chemistry, School of Science, Westlake University, 600 Dunyu Road, Hangzhou, Zhejiang Province 310030, China
| | - Yong Wang
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Edison Huixiang Ang
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore.
| | - Xiaohui Song
- School of Materials Science and Engineering, Hefei University of Technology, Anhui Province, 230009, China.
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Yang D, Ng YXA, Zhang K, Chang Q, Chen J, Liang T, Cheng S, Sun Y, Shen W, Ang EH, Xiang H, Song X. Imaging the Surface/Interface Morphologies Evolution of Silicon Anodes Using in Situ/ Operando Electron Microscopy. ACS APPLIED MATERIALS & INTERFACES 2023; 15:20583-20602. [PMID: 37087764 DOI: 10.1021/acsami.3c00891] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Si-based rechargeable lithium-ion batteries (LIBs) have generated interest as silicon has remarkably high theoretical specific capacity. It is projected that LIBs will meet the increasing need for extensive energy storage systems, electric vehicles, and portable electronics with high energy densities. However, the Si-based LIB has a substantial problem due to the volume cycle variations brought on by Si, which result in severe capacity loss. Making Si-based anodes-enabled high-performance LIBs that are easy to utilize requires an understanding of the fading mechanism. Due to its distinct advantage in morphological changes from microscale to nanoscale, even approaching atomic resolution, electron microscopy is one of the most popular methods. Based on operando electron microscopy characterization, the general comprehension of the fading mechanism and the morphology evolution of Si-based LIBs are debated in this review. The current advancements in compositional and structural interpretation for Si-based LIBs using advanced electron microscopy characterization methods are outlined. The future development trends in pertinent silicon materials characterization methods are also highlighted, along with numerous potential research avenues for Si-based LIBs design and characterization.
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Affiliation(s)
- Dahai Yang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Yun Xin Angel Ng
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
| | - Kuanxin Zhang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Qiang Chang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Junhao Chen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Tong Liang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Sheng Cheng
- Instrumental Analysis Center, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Yi Sun
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Wangqiang Shen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Edison Huixiang Ang
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
| | - Hongfa Xiang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
| | - Xiaohui Song
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui Province 230009, China
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Li S, Jin H, Wang Y. Recent progress on the synthesis of metal alloy nanowires as electrocatalysts. NANOSCALE 2023; 15:2488-2515. [PMID: 36722933 DOI: 10.1039/d2nr06090f] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Benefiting from both one-dimensional (1D) morphology and alloy composition, metal alloy nanowires have been exploited as advanced electrocatalysts in various electrochemical processes. In this review, the synthesis approaches for metal alloy nanowires are classified into two categories: direct syntheses and syntheses based on preformed 1D nanostructures. Ligand systems that are of critical importance to the formation of alloy nanowires are summarized and reviewed, together with the strategies imposed to achieve the co-reduction of different metals. Meanwhile, different scenarios that form alloy nanowires from pre-synthesized 1D nanostructures are compared and contrasted. In addition, the characterization and electrocatalytic applications of metal alloy nanowires are briefly discussed.
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Affiliation(s)
- Shumin Li
- Institute of Advanced Synthesis (IAS), Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Hui Jin
- Institute of Advanced Synthesis (IAS), Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Yawen Wang
- Institute of Advanced Synthesis (IAS), Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, P.R. China.
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