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Synergistic nanoarchitecture of mesoporous carbon and carbon nanotubes for lithium–oxygen batteries
Kim Yeongsu,Yun Jonghyeok,Shin Hyun-Seop,Jung Kyu-Nam,Lee Jong-Won 나노기술연구협의회 2021 Nano Convergence Vol.8 No.17
A rechargeable lithium–oxygen battery (LOB) operates via the electrochemical formation and decomposition of solid-state Li 2 O 2 on the cathode. The rational design of the cathode nanoarchitectures is thus required to realize high-energy-density and long-cycling LOBs. Here, we propose a cathode nanoarchitecture for LOBs, which is composed of mesoporous carbon (MPC) integrated with carbon nanotubes (CNTs). The proposed design has the advantages of the two components. MPC provides sufficient active sites for the electrochemical reactions and free space for Li 2 O 2 storage, while CNT forests serve as conductive pathways for electron and offer additional reaction sites. Results show that the synergistic architecture of MPC and CNTs leads to improvements in the capacity (~ 18,400 mAh g − 1 ), rate capability, and cyclability (~ 200 cycles) of the CNT-integrated MPC cathode in comparison with MPC.
迎隨補法과 捻轉補法이 體熱變化에 미치는 상대적 효과 비교
이봉효(Bonghyo Lee),김재순(Jaesoon Kim),박재현(Jaehyeon Park),박종혁(Jonghyeok Park),윤용식(Yongsik Yun),이경석(Kyungseok Lee),이은정(Eunjung Lee),박지하(Jiha Park),이경민(Kyungmin Lee) 한국한의학연구원 2010 한국한의학연구원논문집 Vol.16 No.2
Objectives : The directional supplementation and draining and twirling supplementation and draining have been used widely in oriental medical clinic. The aim of this study is to compare the effects between directional supplementation and draining method and twirling supplementation and draining. Methods : Clinical experiment was performed with 21 students of oriental medical college of Daegu Haany university. Acupuncture was applied at left Hapgok (LI4) with directional supplementation and twirling supplementation respectively, and the thermographic change was checked using DITI (Digital Infrared Thermographic Image). Results and Conclusion : A significant thermographic change was observed at bilateral Igan (LI2), Yanggye (LI5), Gokji (LI11), and Yeonghyang (LI20) in directional supplementation. A significant thermographic change was observed at bilateral Igan (LI2), Yanggye (LI5), and Yeonghyang (LI20) in twirling supplementation. Based on the thermographic change, it could be demonstrated that directional supplementation is more effective that twirling supplementation.
Ganglioside-Embedded Nanodisc Inhibits Influenza A Virus Infection by Perforating Viral Envelope
Byoungjae KONG,Yuna KIM,Seokoh MOON,Younghun JUNG,Jonghyeok SHIN,Joon-bum PARK,Myungseo PARK,Jiwon YU,Seok-Hyeon YU,Chakhee KIM,Hooyeon KIM,Sora CHO,Yun Jeong PARK,Dae-Hyuk KWEON 한국생물공학회 2017 한국생물공학회 학술대회 Vol.2017 No.10