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- Title
Toward High-Energy-Density Aqueous Lithium-Ion Batteries Using Silver Nanowires as Current Collectors.
- Authors
Kong, Jingyi; Wang, Yangyang; Wu, Ying; Zhang, Liang; Gong, Min; Lin, Xiang; Wang, Dongrui
- Abstract
The lack of suitable lightweight current collectors is one of the primary obstacles preventing the energy density of aqueous lithium-ion batteries (ALIBs) from becoming competitive. Using silver nanowire (AgNW) films as current collectors and a molecular crowding electrolyte, we herein report the fabrication of ALIBs with relatively good energy densities. In the 2 m LiTFSI–94% PEG–6% H2O solution, the AgNW films with a sheet resistance of less than 1.0 ohm/square exhibited an electrochemical stability window as broad as 3.8 V. The LiMn2O4//Li4Ti5O12 ALIBs using AgNW films as the current collectors demonstrated an initial energy density of 70 Wh/kg weighed by the total mass of the cathode and anode, which retained 89.1% after 50 cycles.
- Subjects
LITHIUM-ion batteries; NANOWIRES; ENERGY density; SILVER; ELECTROLYTES
- Publication
Molecules, 2022, Vol 27, Issue 23, p8207
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules27238207