Journal article
Size-Independent Fast Ion Intercalation in Two-Dimensional Titania Nanosheets for Alkali-Metal-Ion Batteries
Angewandte Chemie (International ed.), v 58(26), pp 8740-8745
24 Jun 2019
PMID: 31034752
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Compared to lithium ions, the fast redox intercalation of large-radius sodium or potassium ions into a solid lattice in non-aqueous electrolytes is an elusive goal. Herein, by regulating the interlayer structure of stacked titania sheets through weakened layer-to-layer interactions and a robustly pillared gallery space, the two-dimensional channel between neighboring sheets was completely open to guest intercalation, allowing fast intercalation that was practically irrespective of the carrier-ion sizes. Regardless of employing regular Li or large-radius Na and K ions, the material manifested zero strain-like behavior with no significant change in both host structure and interlayer space, enabling comparable capacities for all tested ions along with excellent rate behaviors and extraordinarily long lifetimes, even with 80-mu m-thick electrodes. The result highlights the importance of interlayer structural features for unlocking the electrochemical activity of a layered material.
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Details
- Title
- Size-Independent Fast Ion Intercalation in Two-Dimensional Titania Nanosheets for Alkali-Metal-Ion Batteries
- Creators
- Jinlin Yang - Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R ChinaXu Xiao - Drexel Univ, AJ Drexel Nanomat Inst, Philadelphia, PA 19104 USAWenbin Gong - Suzhou Institute of Nano-tech and Nano-bionicsLiang Zhao - Soochow UniversityGuohui Li - Soochow UniversityKun Jiang - Soochow UniversityRenzhi Ma - National Institute for Materials ScienceMark H. Rummeli - Soochow Univ, Coll Energy, Soochow Inst Energy & Mat Innovat, Suzhou 215006, Peoples R ChinaFeng Li - Chinese Academy of SciencesTakayoshi Sasaki - National Institute for Materials ScienceFengxia Geng - Soochow University
- Publication Details
- Angewandte Chemie (International ed.), v 58(26), pp 8740-8745
- Publisher
- Wiley
- Number of pages
- 6
- Grant note
- Thousand Young Talents Program; Chinese Academy of Sciences 51772201; 51402204 / National Natural Science Foundation of China; National Natural Science Foundation of China (NSFC)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:000474806700018
- Scopus ID
- 2-s2.0-85066010230
- Other Identifier
- 991021860708204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary