Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Won-Jin Kwak"'
Autor:
Won-Jin Kwak, Hun Kim, Yann K. Petit, Christian Leypold, Trung Thien Nguyen, Nika Mahne, Paul Redfern, Larry A. Curtiss, Hun-Gi Jung, Sergey M. Borisov, Stefan A. Freunberger, Yang-Kook Sun
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Redox mediators can enhance redox reactions in Li-O2 batteries; however, their gradual degradation remains unclear. Here the authors show that organic redox mediators are decomposed by singlet oxygen formed during cycling, indicating a strategy for t
Externí odkaz:
https://doaj.org/article/ce9e0e2bb41d423b97ecd95aacce31f8
Publikováno v:
Journal of Materials Chemistry A. 11:5746-5753
A three-dimensionally semi-ordered macroporous air electrode can minimize the blocking of air electrodes and improve performance of metal oxygen batteries.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bea87fa62da3ebb031e4849d7e9eb2ca
https://doi.org/10.1039/d2ta09442h
https://doi.org/10.1039/d2ta09442h
Autor:
Sujong Chae, Jiangtao Hu, Sungun Wi, Chongmin Wang, Linze Li, Won-Jin Kwak, Wu Xu, Ji-Guang Zhang, Jinhui Tao, Hyung-Seok Lim
Publikováno v:
ACS Energy Letters. 6:3321-3331
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4220a274e102f8f44868a8de52a7f23e
https://doi.org/10.1021/acsenergylett.1c01144
https://doi.org/10.1021/acsenergylett.1c01144
Autor:
Won-Jin Kwak, Shuang Li, Chongmin Wang, Sujong Chae, Mark H. Engelhard, Jiangtao Hu, Kee Sung Han, Ji-Guang Zhang, Xiaolin Li
Publikováno v:
ACS Energy Letters. 6:387-394
A silicon (Si) anode is a high-capacity alternative for carbonaceous anodes in lithium ion batteries. However, a large volume change during cycling and continuous side reactions with the electrolyt...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8881943dabbf7e65b65b9847dcec0bbe
https://doi.org/10.1021/acsenergylett.0c02214
https://doi.org/10.1021/acsenergylett.0c02214
Autor:
Hyun Jung Kwon, Jang Yeon Hwang, Hyung-Seok Kim, Won-Jin Kwak, Sang Ok Kim, Hun-Gi Jung, Hyeon-Ji Shin
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:14150-14158
Owing to the high theoretical capacity, low operating potentials, and natural abundance, silicon (Si) is considered as one of the most promising anode materials for lithium-ion batteries. However, ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4175ba0dd63f08b8c1a1c1e263ce99d
https://doi.org/10.1021/acssuschemeng.0c04828
https://doi.org/10.1021/acssuschemeng.0c04828
Autor:
Hyung-Seok Lim, Xiaodi Ren, Ji-Guang Zhang, Ismael A. Rodríguez-Pérez, Hongkyung Lee, Won-Jin Kwak, Jin Hong Lee, Hee-Tak Kim, Xia Cao
Publikováno v:
ACS Applied Materials & Interfaces. 12:37188-37196
Developing a safe and long-lasting lithium (Li) metal battery is crucial for high-energy applications. However, its poor cycling stability due to Li dendrite formation and excessive Li pulverization is the major hurdle for its practical applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8090310057ac829f4dfbe41675b71dd3
https://doi.org/10.1021/acsami.0c09871
https://doi.org/10.1021/acsami.0c09871
Autor:
Lirong Zhong, Sujong Chae, Mark H. Engelhard, Jeffrey Read, Wu Xu, Won-Jin Kwak, Ruozhu Feng, Ji-Guang Zhang, Peiyuan Gao
Publikováno v:
ACS Energy Letters. 5:2182-2190
Lithium–oxygen (Li–O2) batteries with high reversibility require a stable electrolyte against the side reactions with Li-metal anode and reactive oxygen species. Moreover, an electrolyte that can e...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b2839312766f89fc312733ca07c953f
https://doi.org/10.1021/acsenergylett.0c00809
https://doi.org/10.1021/acsenergylett.0c00809
Autor:
Won-Jin Kwak, Hun Kim, Hye Ryung Byon, Yang-Kook Sun, Jung Min Joo, Ji-Won Park, Doron Aurbach
Publikováno v:
ACS Energy Letters. 5:2122-2129
Employing organic redox mediators (ORMs) for lithium–oxygen (Li–O2) batteries has emerged as an important strategy to suppress charging overpotentials. Judicious molecular designs of ORMs can also ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e25dc333e7cff075aca288b80680d44e
https://doi.org/10.1021/acsenergylett.0c00883
https://doi.org/10.1021/acsenergylett.0c00883
Publikováno v:
Journal of Materials Chemistry A. 8:16718-16737
Potassium, the third alkali element after sodium on the periodic table, provides several advantages over lithium and sodium as a charge carrier in rechargeable batteries. Pertaining to its natural features, potassium has a lower standard redox potent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::421b8463f495353b0cecd56c2ee755f0
https://doi.org/10.1039/d0ta03562a
https://doi.org/10.1039/d0ta03562a
Publikováno v:
Journal of Materials Chemistry A. 8:5622-5628
Redox mediators have been studied intensively to improve the energy efficiency and cycle life of lithium–oxygen batteries by facilitating the decomposition of the discharge product (lithium peroxide), thus reducing the side reactions at a high pote
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c74acc0b217ddde4c57693b6f4e307fa
https://doi.org/10.1039/c9ta13612f
https://doi.org/10.1039/c9ta13612f