Back to Search
Start Over
High Capacity and High Efficiency Maple Tree-Biomass-Derived Hard Carbon as an Anode Material for Sodium-Ion Batteries
- Source :
- Materials, Materials, Vol 11, Iss 8, p 1294 (2018), Volume 11, Issue 8
- Publication Year :
- 2018
-
Abstract
- Sodium-ion batteries (SIBs) are in the spotlight because of their potential use in large-scale energy storage devices due to the abundance and low cost of sodium-based materials. There are many SIB cathode materials under investigation but only a few candidate materials such as carbon, oxides and alloys were proposed as anodes. Among these anode materials, hard carbon shows promising performances with low operating potential and relatively high specific capacity. Unfortunately, its low initial coulombic efficiency and high cost limit its commercial applications. In this study, low-cost maple tree-biomass-derived hard carbon is tested as the anode for sodium-ion batteries. The capacity of hard carbon prepared at 1400 &deg<br />C (HC-1400) reaches 337 mAh/g at 0.1 C. The initial coulombic efficiency is up to 88.03% in Sodium trifluoromethanesulfonimide (NaTFSI)/Ethylene carbonate (EC): Diethyl carbonate (DEC) electrolyte. The capacity was maintained at 92.3% after 100 cycles at 0.5 C rates. The in situ X-ray diffraction (XRD) analysis showed that no peak shift occurred during charge/discharge, supporting a finding of no sodium ion intercalates in the nano-graphite layer. Its low cost, high capacity and high coulombic efficiency indicate that hard carbon is a promising anode material for sodium-ion batteries.
- Subjects :
- Materials science
chemistry.chemical_element
02 engineering and technology
Electrolyte
NaTFSI
010402 general chemistry
lcsh:Technology
01 natural sciences
Energy storage
Article
law.invention
chemistry.chemical_compound
law
sodium ion batteries
General Materials Science
lcsh:Microscopy
Ethylene carbonate
high coulombic efficiency
lcsh:QC120-168.85
lcsh:QH201-278.5
lcsh:T
Diethyl carbonate
021001 nanoscience & nanotechnology
Cathode
0104 chemical sciences
Anode
chemistry
Chemical engineering
lcsh:TA1-2040
lcsh:Descriptive and experimental mechanics
lcsh:Electrical engineering. Electronics. Nuclear engineering
lcsh:Engineering (General). Civil engineering (General)
0210 nano-technology
hard carbon
lcsh:TK1-9971
Carbon
high capacity
Faraday efficiency
Subjects
Details
- ISSN :
- 19961944
- Volume :
- 11
- Issue :
- 8
- Database :
- OpenAIRE
- Journal :
- Materials (Basel, Switzerland)
- Accession number :
- edsair.doi.dedup.....c1a7f07ef154d8f891fc67b1b28e01cf