Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 7, Issue 16, Pages 13949-13954Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.9b02367
Keywords
Capacitive deionization; Water desalination; Metal-organic frameworks; Carbon nanotubes; In situ synthesis
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Funding
- Fundamental Research Funds for the Central Universities [2018B05714]
- China Postdoctoral Science Foundation [2019M651682]
- Advanced Foundation of Science and Technology Innovation Projects for Returned Scholars in Nanjing [B19118]
- National Natural Science Foundation of China [51879068, 41561134016]
- National Key Research and Development Program [2018YFC0407900]
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The exploration of a new family of materials with superior performance for capacitive deionization (CDI) compared to commercial activated carbons is of significant interest. In this work, a three-dimensional (3D) nano-architecture composed of metal-organic frameworks (MOFs) interwoven by carbon nanotubes (CNTs) has been synthesized by utilizing CNTs to bridge the neighboring MOF nanocrystals. The resulting MOF/CNT hybrid not only shows improved electrical conductivity and 3D hierarchical structure but also retains the high porosity of MOFs. Consequently, the MOF/CNT hybrid exhibits a high desalination capacity of 16.90 mg g(-1), highlighting the potential of noncarbonized MOF-based materials as CDI electrodes.
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