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Polyacrylonitrile 기반 탄소 나노 섬유를 적용한 리튬-이산화탄소 전지에 관한 연구
나단(Dan Na),윤백상(Baeksang Yoon),유도현(Dohyeon Yu),소윤섭(Yoonseob So),강준영(Joonyoung Kang),서인석(Inseok Seo) 한국전지학회 2023 한국전지학회지 Vol.3 No.2
본 논문에서 전기방사를 통해 제작한 폴리아크릴로나이트릴 기반 탄소나노 섬유를 적용한 리튬-이산화탄소 전지를 제작하였다. 전기방사를 통해 제작된 탄소 나노 섬유는 이산화 탄소 흡착에 유리한 화학적, 구조적 특성을 가지고 있다. 제작된 전지는 50사이클까지 안정적으로 동작하였다. 이를 통해 전기방사로 제작한 탄소나노섬유가 리튬-이산화탄소 연구에 있어 적용 가능한 물질임을 알 수 있다. In this paper, a Li-CO₂ battery was fabricated by applying polyacrylonitrile-derived carbon nanofibers prepared through electrospinning. Electrospun carbon nanofibers have chemical and structural properties favorable for CO₂ gas adsorption. The battery operated successfully for up to 50 cycles. After the cycle test, the characteristics of the positive electrode of the Li-CO₂ battery were evaluated, and it was confirmed that the discharge product was Li₂CO₃ and that it was reversibly formed and decomposed during the charging and discharging process. This shows that carbon nanofibers prepared by electrospinning are promising materials for Li-CO₂ battery research.
Left pneumonectomy using self-cutting linear endoscopic stapler in a dog
이시은(Si Eun Lee),박효진(Hyojin Park),이채영(Chae-Yeong Lee),최현종(Hyeon-Jong Choi),김효연(Hyoyeon Kim),김민연(Minyeon Kim),홍정호(Jeongho Hong),유도현(DoHyeon Yu),황태성(Tae Sung Hwang),이희천(Hee Chun Lee),이재훈(Jae-Hoon Lee),이동 한국예방수의학회 2021 예방수의학회지 Vol.45 No.4
A 13-year-old mixed dog was referred to the animal medical center, Gyeongsang National University. Lung masses were diagnosed at the left cranial and caudal lobes through diagnostic imaging, and consequently, left pneumonectomy was performed using a self-cutting linear endoscopic stapler. The pulmonary arteries, veins, and bronchus of each lung lobe were sealed and resected at once, and any air leakage or bleeding was not observed after the surgery. Compared to the conventional ligation method, the self-cutting linear endoscopic stapler has the advantage of significantly reducing the operation time and enabling simple and reliable sealing.