Journal
ADVANCED SCIENCE
Volume 5, Issue 12, Pages -Publisher
WILEY
DOI: 10.1002/advs.201801462
Keywords
aqueous rechargearable batteries; binder-free electrodes; fibers; MOF-derived battery materials; wearable electronics
Categories
Funding
- National Natural Science Foundation of China [51522211, 51602339, 51703241, U1710122]
- Key Research Program of Frontier Science of Chinese Academy of Sciences [QYZDB-SSW-SLH031]
- Thousand Youth Talents Plan
- Postdoctoral Foundation of China [2016M601905, 2017M621855]
- Natural Science Foundation of Jiangsu Province, China [BK20160399]
- Postdoctoral Foundation of Jiangsu Province [1601065B]
- Science and Technology Project of Nanchang
- Singapore Ministry of Education Academic Research Fund Tier 2 [MOE2015-T2-1-066, MOE2015-T2-2-010]
- Singapore Ministry of Education Academic Research Fund Tier 1 [RG85/16]
- Nanyang Technological University [M4081515]
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The ever-increasing demands for portable and wearable electronics continue to drive the development of high-performance fiber-shaped energy-storage devices. Metal-organic frameworks (MOFs) with well-tunable structures and large surface areas hold great potential as precursors and templates to form porous battery materials. However, to date, there are no available reports about fabrication of wearable energy-storage devices on the utilization of all-MOF-derived battery materials directly grown on current collectors. Here, MOF-derived NiZnCoP nanosheet arrays and spindle-like -Fe2O3 on carbon nanotube fibers are successfully fabricated with impressive electrochemical performance. Furthermore, the resulting all-solid-state fiber-shape aqueous rechargeable batteries take advantage of large specific surface area and abundant reaction sites of well-designed MOF-derived electrode materials to yield a remarkable capacity of 0.092 mAh cm(-2) and admirable energy density of 30.61 mWh cm(-3), as well as superior mechanical flexibility. Thus, this research may open up exciting opportunities for the development of new-generation wearable aqueous rechargeable batteries.
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