Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Jae-Man Choi"'
Autor:
Jeong Kuk Shon, Hyo Sug Lee, Gwi Ok Park, Jeongbae Yoon, Eunjun Park, Gyeong Su Park, Soo Sung Kong, Mingshi Jin, Jae-Man Choi, Hyuk Chang, Seokgwang Doo, Ji Man Kim, Won-Sub Yoon, Chanho Pak, Hansu Kim, Galen D. Stucky
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-9 (2016)
Electrode materials with high energy density are important for the development of Li-ion batteries. Here, the authors report a molybdenum dioxide anode with abnormal lithium storage sites, exhibiting a discharge capacity twice its theoretical value b
Externí odkaz:
https://doaj.org/article/8c06a8285a2e40fe8fa65937b2666892
Publikováno v:
International Journal of Energy Research. 46:5955-5962
Autor:
Jae Man Choi, Ping Li, Gi-Ra Yi, Moon Seok Kwon, Kan Zhang, Geewoo Chang, Jong Hyeok Park, Yi Cui, Jun Hwan Ku, Min-Sang Song, Dae Woong Jung
Publikováno v:
ACS Energy Letters. 3:2252-2258
Improvement in the rate capability needs to be addressed for utilization of a Si anode in high-power Li-ion batteries. Regarding the rate capability, its improvement by Si–C nanocomposites seems to be somewhat saturated, thus indicating that the ot
Publikováno v:
Journal of Electroanalytical Chemistry. 778:53-56
Here, we show that the capacity retention rate and Coulombic efficiency of silicon/graphite composite anodes are improved significantly when the electrode particles are strongly bonded to the current collector with the aid of a polymeric adhesive int
Publikováno v:
Journal of Power Sources. 326:156-161
High-voltage cathode materials have gained much attention as one of the promising electrode materials to increase power density of lithium ion batteries by raising the working voltage. However, the use of such high-voltage cathode materials is still
Autor:
Jae-Man Choi, Jeong-kuk Shon, Seok-Gwang Doo, Dongjin Ham, Jun-Hwan Ku, Min-Sang Song, Seung-Sik Hwang, Sangmin Ji
Publikováno v:
Journal of Power Sources. 287:36-42
Anode materials including graphite are known to be thermodynamically unstable toward organic solvents and salts and become covered by a passivating film (Solid electrolyte interphase, SEI) which retards the kinetics because of the high electronic res
Autor:
Wanjung Kim, Gee Woo Chang, Min-Sang Song, Xinjian Shi, Hwan Jin Kim, Jong Hyeok Park, Ki Jeong Kong, Kan Zhang, Ming Ma, Jeong Taik Lee, Jae Man Choi
Publikováno v:
ChemSusChem. 7:2489-2495
A 2H-MoS2 (H=hexagonal) ultrathin nanomesh with high defect generation and large porosity is demonstrated to improving electrochemical performance, including in lithium-ion batteries (LIBs) and the hydrogen evolution reaction (HER), with the aid of a
Autor:
Jong Hyeok Park, Min-Sang Song, Jae Man Choi, Kan Zhang, Hwan Jin Kim, Xinjian Shi, Jeong Taik Lee
Publikováno v:
Inorganic Chemistry. 52:9807-9812
Morphology-controlled MoS2 nanosheets were successfully synthesized with the aid of graphene/acid coexistence by a one-pot hydrothermal method. The ultrathin MoS2 nanosheets were self-assembled into a cockscomb-like structure with an exposed (100) fa
Publikováno v:
Journal of Nanoscience and Nanotechnology. 13:3303-3306
The Li[Ni0.7Co0.1Mn0.2]O2 cathode material synthesized using a co-precipitation method was investigated as a function of various pH level in terms of its microstructure and electrochemical properties. From the XRD pattern analysis, the Li[Ni0.7Co0.1M
Publikováno v:
International Journal of Fatigue. 47:196-204
Fatigue crack growth and closure behavior under random loadings in 7475-T7351 aluminum alloy is investigated by performing various random loading tests. The effects of random load spectrum, history length, and stress ratio on the crack growth and clo