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Kim, Jung Sub,Kim, A-Young,Byeon, Young Woon,Ahn, Jae Pyoung,Byun, Dongjin,Lee, Joong Kee Elsevier 2016 ELECTROCHIMICA ACTA Vol.195 No.-
<P><B>Abstract</B></P> <P>Germanium-based multimetallic-oxide materials have attracted significant attention as high-capacity anodes for next generation lithium-ion batteries (LIBs). However, they suffer from poor cyclic stability due to extreme volume expansion and reduced electrical conductivity after repeated cycles. To circumvent these issues, we propose that Ge-based multimetallic-oxide nanowires can be synthesized with electrically conductive carbon to significantly enhance the cyclic stability of the Ge-based anodes. We prepare conformal-carbon-coated Zn<SUB>2</SUB>GeO<SUB>4</SUB> nanowires (NWs) using a microwave-induced hydrothermal method with subsequent thermal decomposition. The obtained carbon-coated Zn<SUB>2</SUB>GeO<SUB>4</SUB>-NW anode exhibits a discharge capacity of 485 mAh/g and a Coulombic efficiency (CE) of 98.4% after 900 cycles at 0.6C. Furthermore, these anodes exhibit outstanding rate-capability characteristics, even with an increased C-rate of 17.7C. This excellent electrochemical performance can be ascribed to the improved electron and ion transport provided and the structurally reinforced conductive layer comprising a conformal carbon layer. Therefore, it is expected that our approach can also be applied to other multimetallic-oxide materials, resulting in large, reversible capacities; excellent cyclic stabilities; and good rate capabilities for high-performance LIBs.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Carbon coated Zn<SUB>2</SUB>GeO<SUB>4</SUB> nanowires were synthesized using microwave hydrothermal method. </LI> <LI> The obtained electrode exhibits outstanding rate-capability and cycling stability. </LI> <LI> Uniform carbon layer plays an important role in minimizing the volume change. </LI> <LI> In situ SEM images show reduced volume change in lateral and longitudinal direction. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Electrochemical performance can be ascribed to the improved electron and ion transport provided and the structurally reinforced conductive carbon layer.</P> <P>[DISPLAY OMISSION]</P>
Behavioral alterations by Importin-11 mutation in mice
Ju-Young Lee,Eun-Kyoung Kim,Yong-Sub Byun,Hae-Rim Kim,Yu-Rim Kim,Min-Young Lee,Sang-Mi Cho,Ho-Young Ghang,Ki-Hoon Lee,Ok-Seong Moon,Young-Won Seo,Won-Kee Yoon,Young-Suk Won,Hyoung-Chin Kim,Bae-Hwan Ki 한국실험동물학회 2016 한국실험동물학회 학술발표대회 논문집 Vol.2016 No.2
The deficiency of Fryl gene induces neonatal lethality
Yong Sub Byun,Eun Kyoung Kim,Hae Rim Kim,Ju Sung Kang,Yu Rim Kim,Ju Young Lee,Min Young Lee,Sang Mi Cho,Ho Young Ghang,Ki Hoon Lee,Won Kee Yoon,Young Suk Won,Hyoung Chin Kim,Kyung Chul Choi,Ki Hoan Na 한국실험동물학회 2015 한국실험동물학회 학술발표대회 논문집 Vol.2015 No.8
Rhbdf2 null mutation alleviate the severity of collagen-induced arthritis in mice
Min-Young Lee,Yong-Sub Byun,Eun-Kyoung Kim,Hae-Rim Kim,Yu-Rim Kim,Ju-Young Lee,Sang-Mi Cho,Ho-Young Ghang,Ki-Hoon Lee,Ok-Seung Moon,Young-Won Seo,Won-Kee Yoon,Young-Suk Won,Hyoung-Chin Kim,Kyung-Chul 한국실험동물학회 2016 한국실험동물학회 학술발표대회 논문집 Vol.2016 No.2