全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:... Sung Man Cho , Bok Ki Kim , Woo Young Yoon
来源:[J].Electrochimica Acta(IF 3.777), 2014, Vol.131, pp.202-206Elsevier
摘要:Abstract(#br)Effect of powder size on the performance of Li-powder/LiV 3 O 8 secondary cell has been studied. Li powder, synthesized via droplet emulsion technique, was used as the anode material in a coin cell (CR 2032) assembled in an Ar-filled glove box. Discharge-charge ...
作者:... Jae ha Lee , Bok Ki Kim , Woo Young Yoon
来源:[J].Electrochimica Acta(IF 3.777), 2014, Vol.127, pp.1-6Elsevier
摘要:Abstract(#br)The electrochemical behavior of a SiO x –graphite composite anode with a diamond-like carbon (DLC)–Cr double-layer coating and employed in a Li-ion secondary cell was studied to determine whether the coating improved the electrochemical characteristics of SiO x ...
作者:... Ji Young Byun , Bok Ki Kim , Woo Young Yoon
来源:[J].Electrochimica Acta(IF 3.777), 2013, Vol.107, pp.681-685Elsevier
摘要:Abstract(#br)An Al 2 O 3 -supported V 2 O 5 composite (V 2 O 5 /Al 2 O 3 ) was synthesized and its role in controlling oxygen reduction/evolution reaction during Li–O 2 battery operation was studied. The prepared V 2 O 5 /Al 2 O 3 composite catalyst was systematically charac...
作者:Jun Kyu Lee , Bok Ki Kim , Woo Young Yoon
来源:[J].Solid State Ionics(IF 2.046), 2013, Vol.249-250, pp.117-122Elsevier
摘要:Abstract(#br)The effects of a Cr coating on Si nanopowder electrodes have been researched in order to improve the electrochemical characteristics of Si anodes for use in Li-ion batteries. Cr was coated onto Si nanopowder electrodes by sputtering, and the electrodes were then...
作者:... Jae Ha Lee , Bok Ki Kim , Woo Young Yoon
来源:[J].Electronic Materials Letters(IF 1.87), 2013, Vol.9 (2), pp.195-199Springer
摘要:Abstract(#br)Li/LiV 3 O 8 secondary cells with Li-foil and Li-powder anodes were fabricated, and their electrical properties were compared. Using the powder anode, a cell with an initial discharge capacity of 260 mAh g −1 that could be operated for over 100 cycles was obtain...
作者:Liping Guo , Woo Young Yoon , Bok Ki Kim
来源:[J].Electronic Materials Letters(IF 1.87), 2012, Vol.8 (4), pp.405-409Springer
摘要:Abstract(#br)This paper presents the fabrication and testing results of a Silicon-Carbon nanocomposite material used for lithium secondary batteries which was prepared through the pyrolysis of alginic acid which was utilized as the carbon source. Silicon nanoparticles were m...
作者:Sung Hoon Lim , Bok Ki Kim , Woo Young Yoon
来源:[J].Journal of Applied Electrochemistry(IF 1.836), 2012, Vol.42 (12), pp.1045-1048Springer
摘要:Abstract(#br)The possibility of using vanadium pentoxide (V 2 O 5 ) as a catalyst in rechargeable lithium–oxygen (Li–O 2 ) batteries was studied. A V 2 O 5 -carbon composite was cast onto Ni foam to form a cathode. Electrochemical cells designed based on the flat cell manufa...
作者:... Keon Young Yi , Bok Ki Kim , Byung Won Cho
来源:[J].Journal of Power Sources(IF 4.675), 2006, Vol.165 (2), pp.620-624Elsevier
摘要:Abstract(#br)The morphological changes of a lithium powder electrode during cycling (discharge/charge) were observed at various current densities by scanning electron microscopy (SEM). The dissolution of the lithium powder electrode seemed to occur uniformly in the whole body of ...
作者:... Chang Hyun Hong , Bok Ki Kim , Woo Young Yoon
来源:[J].Journal of Power Sources(IF 4.675), 2007, Vol.178 (2), pp.769-773Elsevier
摘要:Abstract(#br)A compacted lithium powder anode was used to improve the demerits of dendrite formation of lithium metal. Dendrite formation of lithium metal was restrained to use compacted lithium powder anode under a specific amount of discharge and the current density. In th...
作者:Bok Ki Kim , Kyoung Mi Lee ...
来源:[J].The Indian Journal of Pediatrics(IF 0.715), 2007, Vol.74 (8), pp.765-767Springer
摘要:Abstract(#br)After being lost for 16 hr, a 7-yr-old boy was admitted to the emergency Department (ED) in a severe hypothermic condition of 23.3 °C with cardiac arrest. Active rewarming was conducted with cardiopulmonary resuscitation (CPR). Sixty minutes after admission, ret...

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