| 학회 | 한국화학공학회 |
| 학술대회 | 2008년 가을 (10/23 ~ 10/24, 부산 BEXCO) |
| 권호 | 14권 2호, p.2910 |
| 발표분야 | 에너지 |
| 제목 | Effects ofCarbon Coatingon The Electrochemical Performance of Spinel-type Li4Ti5O12 as an Anode Material for Lithium-ion Batteries |
| 초록 | The lithium titanate spinel Li4Ti5O12 is gaining more and more attention as anode materialsfor lithium secondary batteries. As the main feature of the compounds, spinel-type lithium titanatehas their unique insertion-deinsertion mechanism that involves a two-phase processwith the same symmetry. However, the low rate capability resulting from low electronic conductivity hindered the practical use of Li4Ti5O12. The effects ofcarbon coatingon the electrochemical properties of spinel-type Li4Ti5O12/C were systematically investigated. The experimental results showed that thesecoatingimproved the reversible capacity and cycling stability over the pristine Li4Ti5O12. Phase purity of the synthesized materials was identified by the X-ray diffraction(XRD) and scanning electron microscopy(SEM). The charge and discharge capacities were measured with coin cells in which lithium metal foil was used as the counter electrode. |
| 저자 | 김주빈1, 조병원2, 변동진1, 정경윤2 |
| 소속 | 1고려대, 2KIST 이차전지연구센터 |
| 키워드 | battery; li; lto; anode |
| 원문파일 | 초록 보기 |
