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리튬이온이차전지용 LiCoO<sub>2</sub>-유기전해액의 충전상태에 따른 열적 안정성
김동훈,이영호,신혜민,정영동,도칠훈,진봉수,김현수,문성인,오대희,김기원,Kim, Dong-Hun,Lee, Young-Ho,Shin, Hye-Min,Chung, Young-Dong,Doh, Chil-Hoon,Jin, Bong-Soo,Kim, Hyun-Soo,Moon, Seong-In,Oh, Dae-Hui,Kim, Ki-Won 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.5
Thermal behavior of $Li_{1-x}CoO_2$ has been investigated employing DSC (Differential Scanning calorimetry) and TGA (Thermogravimetry Analyzer), and the crystal parameters were calculated from XRD (X-ray diffraction).for the commercial rectangular pouch cell(1000 mAh).The cathode materials coated over aluminium foil current collector is made up of a blend consisting of active material $LiCoO_2$(size $20\;{\mu}m$, 94 wt%), conducting material super p black (SPB, 3 wt%) and binder polyvinylidene fluoride (PVDF, 3 wt%). The anode is a mix consisting of carbon (92 wt%) and PVDF(8 wt%) coated over copper foil. The cells for the experiments were first preconditioned by cycling three times and stabilized at OCV=3.0, 3.5, 4.2, 4.35 and 4.5 V. The stabilized cathode material was used for thermal and crystal parameter investigations.
설비보전지원 및 진단시스템 개발에 관한 연구(I)-설비보전 정보관리시스템
김동훈,송준엽,구평회,Kim, Dong-Hun,Song, Jun-Yeop,Gu, Pyeong-Hoe 한국기계연구원 1997 硏究論文集 Vol.27 No.-
In this paper, an information management system is developed to systematically maintain facilities which include AS/RS(Automatic Storage & Retrieval System). Stacker Crane, Tool Transport system and Machining Center in FMS pilot plant. It supports various activities such as periodical inspection, maintenance, management of daily operation time, analysis of existing condition and management of information related to facilities.
김동훈,유영모,조수현,박범영,김용곤,이종문,Kim Dong-Hun,Yoo Young-Mo,Cho Soo-Hyun,Park Beom-Young,Kim Yong-Kon,Lee Jong-Moon 한국축산식품학회 2004 한국축산식품학회지 Vol.24 No.4
The handling and transport of broiler birds from farm to the processing factory is known to cause injury and dead. The preslaughter period can be compromised through thermal stress, emotional stress, starvation, dehydration, metabolic exhaustion, trauma to the skin and bone fraction resulting in bruising and dead. This paper focuses on the control points of individual post Harvest stages by reference to recent literature. In catching, the injuries and deads are caused from fracture of bone, skin damage and hipbone dislocation. It can be improved by training the catchers. The primary factor of dead during transportation is from thermal stress. It is related to stocking density, type of crate and vehicle, ventilation and transportation time. Of the factors, the ventilation is very important. The holding place should be built with consideration of protection from the hostile external environment. There were not much progresses in this area, however, many researches are conducting to focus on animal welfare in European Union. Recently, it is rapidly changed in marketing custom from whole carcass to portion cut in Korea. This means the increase of economic loss due to the mishandling at post harvest. The systematic approach is demanded for this area.
김동훈,Kim, Dong-Hun 한국과학기술단체총연합회 1977 과학과 기술 Vol.10 No.9
1.서론 2..금속이란? 3.평형상태도 4.금속전자론 5.확산이론 및 상변태이론 6.결정속성이론
김동훈,Kim, Dong-Hun 한국과학기술단체총연합회 1973 과학과 기술 Vol.6 No.2
원자로제어를 위한 중성자열전대의 응답시간 단축을 목적으로 진공증착된 박모열전대를 이용하여 중성자 열전대를 시작하였다. 이의 실험결과를 선열전대의 것과 비교하였으며, 열중성자동범위 2x(10에 8승)x8x10¹³ neutrons/cm²/sec에서 좋은 선형특성을 가지고 있었다. 시작된 박모중성자열전대를 사용하여 TRIGA MARK-Ⅱ 원자로 로필에서의 열중성자속분포를 측정하였다.