A three-dimensional carbon nano-network for high performance lithium ion batteries
Abstract
Three-dimensional (3D) network structure has been envisioned as a superior architecture for lithium ion battery (LIB) electrodes, which enhances both ion and electron transport to significantly improve battery performance. Herein, a 3D carbon nano-network is fabricated through chemical vapor deposition of carbon on a scalably manufactured 3D porous anodic alumina (PAA) template. As a demonstration on the applicability of 3D carbon nano-network for LIB electrodes, the low conductivity active material, TiO2, is then uniformly coated on the 3D carbon nano-network using atomic layer deposition. High power performance is demonstrated in the 3D C/TiO2 electrodes, where the parallel tubes and gaps in the 3D carbon nano-network facilitates fast Li ion transport. A large areal capacity of ~0.37 mAh·cm–2 is achieved due to the large TiO2 mass loading in the 60 µm-thick 3D C/TiO2 electrodes. At a test rate of C/5, the 3D C/TiO2 electrode with 18 nm-thick TiO2 delivers a high gravimetric capacity of ~240 mAh g–1, calculated with the mass of the whole electrode. A long cycle life of over 1000 cycles with a capacity retention of 91% is demonstrated at 1C. In this study, the effects of the electrical conductivity of carbon nano-network, ion diffusion, and the electrolyte permeabilitymore »
- Authors:
-
- Univ. of Colorado, Boulder, CO (United States)
- Chinese Academy of Sciences, Zhejiang (China)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1141026
- Alternate Identifier(s):
- OSTI ID: 1478685
- Report Number(s):
- SAND-2014-1959J
Journal ID: ISSN 2211-2855; PII: S2211285514203181
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nano Energy
- Additional Journal Information:
- Journal Volume: 11; Journal Issue: C; Related Information: Proposed for publication in Advanced Energy Materials.; Journal ID: ISSN 2211-2855
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; 77 NANOSCIENCE AND NANOTECHNOLOGY; three-dimensional network; carbon nano-network; Li-ion battery; anode
Citation Formats
Tian, Miao, Wang, Wei, Liu, Yang, Jungjohann, Katherine L., Thomas Harris, C., Lee, Yung -Cheng, and Yang, Ronggui. A three-dimensional carbon nano-network for high performance lithium ion batteries. United States: N. p., 2014.
Web. doi:10.1016/j.nanoen.2014.11.006.
Tian, Miao, Wang, Wei, Liu, Yang, Jungjohann, Katherine L., Thomas Harris, C., Lee, Yung -Cheng, & Yang, Ronggui. A three-dimensional carbon nano-network for high performance lithium ion batteries. United States. https://doi.org/10.1016/j.nanoen.2014.11.006
Tian, Miao, Wang, Wei, Liu, Yang, Jungjohann, Katherine L., Thomas Harris, C., Lee, Yung -Cheng, and Yang, Ronggui. Thu .
"A three-dimensional carbon nano-network for high performance lithium ion batteries". United States. https://doi.org/10.1016/j.nanoen.2014.11.006. https://www.osti.gov/servlets/purl/1141026.
@article{osti_1141026,
title = {A three-dimensional carbon nano-network for high performance lithium ion batteries},
author = {Tian, Miao and Wang, Wei and Liu, Yang and Jungjohann, Katherine L. and Thomas Harris, C. and Lee, Yung -Cheng and Yang, Ronggui},
abstractNote = {Three-dimensional (3D) network structure has been envisioned as a superior architecture for lithium ion battery (LIB) electrodes, which enhances both ion and electron transport to significantly improve battery performance. Herein, a 3D carbon nano-network is fabricated through chemical vapor deposition of carbon on a scalably manufactured 3D porous anodic alumina (PAA) template. As a demonstration on the applicability of 3D carbon nano-network for LIB electrodes, the low conductivity active material, TiO2, is then uniformly coated on the 3D carbon nano-network using atomic layer deposition. High power performance is demonstrated in the 3D C/TiO2 electrodes, where the parallel tubes and gaps in the 3D carbon nano-network facilitates fast Li ion transport. A large areal capacity of ~0.37 mAh·cm–2 is achieved due to the large TiO2 mass loading in the 60 µm-thick 3D C/TiO2 electrodes. At a test rate of C/5, the 3D C/TiO2 electrode with 18 nm-thick TiO2 delivers a high gravimetric capacity of ~240 mAh g–1, calculated with the mass of the whole electrode. A long cycle life of over 1000 cycles with a capacity retention of 91% is demonstrated at 1C. In this study, the effects of the electrical conductivity of carbon nano-network, ion diffusion, and the electrolyte permeability on the rate performance of these 3D C/TiO2 electrodes are systematically studied.},
doi = {10.1016/j.nanoen.2014.11.006},
journal = {Nano Energy},
number = C,
volume = 11,
place = {United States},
year = {Thu Nov 20 00:00:00 EST 2014},
month = {Thu Nov 20 00:00:00 EST 2014}
}
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