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Title: Lithium storage in structurally tunable carbon anode derived from sustainable source

Here, a meticulous solid state chemistry approach has been developed for the synthesis of carbon anode from a sustainable source. The reaction mechanism of carbon formation during pyrolysis of sustainable feed-stock was studied in situ by employing Raman microspectroscopy. No Raman spectral changes observed below 160°C (thermally stable precursor) followed by color change, however above 280°C characteristic D and G bands of graphitic carbon are recorded. Derived carbon particles exhibited high specific surface area with low structural ordering (active carbons) to low specific surface area with high graphitic ordering as a function of increasing reaction temperature. Carbons synthesized at 600°C demonstrated enhanced reversible lithiation capacity (390 mAh g -1), high charge-discharge rate capability, and stable cycle life. On the contrary, carbons synthesized at higher temperatures (>1200°C) produced more graphite-like structure yielding longer specific capacity retention with lower reversible capacity.
 [1] ;  [1] ;  [1] ;  [2] ;  [1] ; ORCiD logo [3]
  1. Purdue Univ., West Lafayette, IN (United States). School of Materials Engineering
  2. Purdue Univ., West Lafayette, IN (United States). Birck Nanotechnology Center
  3. Purdue Univ., West Lafayette, IN (United States). School of Materials Engineering and School of Chemical Engineering
Publication Date:
Grant/Contract Number:
Publisher's Accepted Manuscript
Journal Name:
Additional Journal Information:
Journal Volume: 121; Journal Issue: C; Journal ID: ISSN 0008-6223
Research Org:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); Thermo Fisher Scientific Inc., Waltham, MA (United States)
Country of Publication:
United States
25 ENERGY STORAGE; 09 BIOMASS FUELS; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Anode; Biomass; Electrochemistry; Hard carbons; Raman spectroscopy
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1430594