176. Lulu Bai, Junsheng Ma, Hongquan Song, Ya Yang, Chunyi Zhi, Sang-Young Lee, Haipeng Yu, Shouxin Liu, Jian Li, Mingpeng Yu,* and Wenshuai Chen*

Flexible, Electrically Conductive, Nanostructured, Asymmetric Aerogel Films for Lithium−Sulfur Batteries

ACS Appl. Mater. Interfaces 13, 59174 (2021) [Link] 

175. So-Huei Kang, Kyung Min Lee, Seok-Kyu Cho, Ji Eun Lee, Donghoo Won, Sang-Young Lee,* Sang Kyu Kwak,* and Changduk Yang*

Guanine-based G-quadruplexes Templated by Various Cations toward Potential Use as Single-Ion Conductors

ChemSusChem 10.1002 (2021) [Link] 

174. Nag-Young Kim, Junsoo Moon, Myeong-Hwa Ryou, Seung-Hyeok Kim, Jung-Hui Kim, Ju-Myung Kim,* Joona Bang,* and Sang-Young Lee*

Amphiphilic Bottlebrush Polymeric Binders for  High-Mass-Loading Cathodes in Lithium-Ion Batteries

Adv. Energy Mater. 2102109 (2021) [Link] 

[ Featured as a Top Downloaded Article on Advanced Energy Materials ] 

173. Lipeng Zhai, Gaojie Li, Xiubei Yang, Sodam Park, Diandian Han, Liwei Mi,* Yanjie Wang, Zhongping Li,* and Sang-Young Lee*

30 Li+-Accommodating Covalent Organic Frameworks as Ultralong Cyclable High-Capacity Li-Ion Battery Electrodes

Adv. Funct. Mater. 2108798 (2021) [Link] 

172. Seok-Kyu Cho, Kyeong-Seok Oh, Jong Chan Shin, Ji Eun Lee, Kyung Min Lee, Junbeom Cho, Won Bo Lee, Sang Kyu Kwak,* Minjae Lee,* and Sang-Young Lee*

Anion-Rectifying Polymeric Single Lithium-Ion Conductors

Adv. Funct. Mater. 2107753 (2021) [Link] 

171. Sang-Young Lee*

Expanding cellulose 

Nat. Energy. 6, 949 (2021) [Link] 

170. Chaozheng Liu, Wangwang Xu*, Changtong Mei*, Meichun Li, Weimin Chen, Shu Hong, Won-Yeong Kim, Sang-Young Lee, and Qinglin Wu*

A Chemically Self-Charging Flexible Solid-State Zinc-Ion Battery Based on VO Cathode and Polyacrylamide–Chitin Nanofiber Hydrogel Electrolyte

Adv. Energy Mater. 2003902 (2021) [Link] 

169. Youngmin Ko, Hong-I Kim, Sung-Ju Cho, Kyung Min Lee, Gwan Yeong Jung, Hyeokjun Park, Se Hwan Park, Yun Jung Lee, Youngjoon Bae, Young-Ro Lee, Kyoungoh Kim, Sang Kyu Kwak, Sang-Young Lee*, and Kisuk Kang*

Liquid-Based Janus Electrolyte for Sustainable Redox Mediation in Lithium–Oxygen Batteries

Adv. Energy Mater. 2102096 (2021) [Link] 

168. Kyeong-Seok Oh, Jung-Hui Kim, Se-Hee Kim, Dongrak Oh, Sun-Phil Han, Kwangeun Jung, Zhuyi Wang, Liyi Shi, Yongxiang Su, Taeeun Yim*, Shuai Yuan*, and Sang-Young Lee * 

Single-Ion Conducting Soft Electrolytes for Semi-Solid Lithium Metal Batteries Enabling Cell Fabrication and Operation under Ambient Conditions

Adv. Energy Mater. 2101813 (2021) [Link] 

167. Zheng-Long Xu, Jooha Park, Jian Wang, Hyunseok Moon, Gabin Yoon, Jongwoo Lim, Yoon-Joo Ko, Sung-Pyo Cho, Sang-Young Lee, and Kisuk Kang * 

A new high-voltage calcium intercalation host for ultra-stable and high-power calcium rechargeable batteries 

Nat. Commun. 12, 3369  (2021) [Link] 

166. Donggue Lee, Hong-I Kim, Won-Yeong Kim, Seok-Kyu Cho, Kyungeun Baek, Kihun Jeong, David B. Ahn, Sodam Park, Seok Ju Kang, Sang-Young Lee *

Water-Repellent Ionic Liquid Skinny Gels Customized for Aqueous Zn-Ion Battery Anodes

Adv. Funct. Mater. 2103850  (2021) [Link] 

[ Featured as a Top Downloaded Article on Advanced Functional Materials ] 

165. Seung‐Hyeok Kim, Nag‐Young Kim, Ui‐Jin Choe, Ju‐Myung Kim, Young‐Gi Lee,* and  Sang‐Young Lee*

Ultrahigh‐Energy‐Density Flexible Lithium‐Metal Full Cells based on Conductive Fibrous Skeletons

Adv. Energy Mater. 21100531 (2021) [Link] 

164. Hong-I Kim, Eunhye Shin, Seung-Hyeok Kim, Kyung Min Lee, Jaehyun Park, Seok Ju Kang, Soonyong So, Kwang Chul Roh, Sang Kyu Kwak,* and Sang-Young Lee*

Aqueous eutectic lithium-ion electrolytes for wide-temperature operation

Energy Storage Materials 36, 222-228 (2021) [Link]