High-energy-density lithium-ion battery using a carbon-nanotube-Si composite anode and a compositionally graded Li[Ni0.85Co0.05Mn0.10]O-2 cathode
- Title
- High-energy-density lithium-ion battery using a carbon-nanotube-Si composite anode and a compositionally graded Li[Ni0.85Co0.05Mn0.10]O-2 cathode
- Author
- 선양국
- Keywords
- SILICON ANODES; PERFORMANCE; ELECTRODE; NANOPARTICLES; LIFE; FILM
- Issue Date
- 2016-06
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- ENERGY & ENVIRONMENTAL SCIENCE, v. 9, NO 6, Page. 2152-2158
- Abstract
- A fully operational practical Li-rechargeable battery system delivering unprecedented high energy density with excellent cycle life was proposed using the state-of-the-art cathode and anode technologies. Based on the simple ball-milling process, a carbon nanotube (CNT)-Si composite anode with extremely stable long-term cycling, while providing a discharge capacity of 2364 mA h g(-1) at a tap density of 1.103 g cm(-3), was developed. For the cathode, a two-sloped full concentration gradient (TSFCG) Li[Ni0.85Co0.05Mn0.10]O-2 cathode, designed to obtain maximum possible discharge capacity by having a Ni-enriched core and to simultaneously ensure high chemical and thermal stability by having an outer Mn-enriched layer, yielded a discharge capacity of 221 mA h g(-1). Integrating the CNT-Si composite and the TSFCG cathode in a full cell configuration, the full cell generated an energy density of 350 W h kg(-1) with excellent capacity retention for 500 cycles at 1 C rate, satisfying the energy density limit imposed by the drive range requirement for EVs. The proposed battery system satisfied the demands for energy storage for vehicle applications in terms of energy density, power and cycle life.
- URI
- http://pubs.rsc.org/en/Content/ArticleLanding/2016/EE/C6EE01134A#!divAbstracthttps://repository.hanyang.ac.kr/handle/20.500.11754/72598
- ISSN
- 1754-5692; 1754-5706
- DOI
- 10.1039/c6ee01134a
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
- Files in This Item:
There are no files associated with this item.
- Export
- RIS (EndNote)
- XLS (Excel)
- XML