Author Page for Wonchang Choi

Boosting the Sodiation Kinetics of Sn Anode Using a Yolk-Shell Nanohybrid Structure for High-Rate and Ultrastable Sodium-Ion Batteries

Number of pages: 32 Posted: 19 Oct 2022

Hyojun Lim, Seungho Yu, Wonyoung Chang, Kyung Yoon Chung, Wonchang Choi and Sang-Ok Kim

Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology Information (KISTI) - Center for Energy Storage Research, Konkuk University and Korea Institute of Science and Technology (KIST)

Downloads 74 (852,604)

Abstract:

2.

Electrostatic Interaction-Driven Inorganic Coating Layer Toward Improving Battery Performance for 5 V Class High-Voltage Cathode in Secondary Batteries

Number of pages: 35 Posted: 13 Jul 2022

Eunjeong Seok, Minjun Kim, Seunghak Lee, Jeongeun Park, Minkyeon Ku, Hyojun Lim, Yongheum Lee, Seungho Yu and Wonchang Choi

Konkuk University, Konkuk University, Konkuk University, Konkuk University, Konkuk University, Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST) and Konkuk University

Downloads 67 (899,324)

Citation 3

Abstract:

3.

Porogen-driven nanoporous silicon and (reduced) graphene oxide composites: advance microparticles for superior lithium-ion battery anodes

Number of pages: 32 Posted: 22 Dec 2025

Ji-Won Jung, Soobin Lee, Ilgyu Kim, Chan Byon and Wonchang Choi

University of Ulsan, Konkuk University, Konkuk University, affiliation not provided to SSRN and Konkuk University

Downloads 39 (1,209,354)

Abstract:

4.

Lightweight and binder–free sandwich anode of carbon–coated SiOx thin films on free–standing carbon nanofibers for enhanced lithium–ion storage

Number of pages: 53 Posted: 04 Dec 2025

Na–Yeong Kim, HyunMin Na, Ilgyu Kim, Subhashree Behera, Jeong-Ho Park, Wonchang Choi, Hyun-Suk Kim and Ji-Won Jung

University of Ulsan, Konkuk University, Konkuk University, Chungnam National University, University of Ulsan, Konkuk University, Chungnam National University and University of Ulsan

Downloads 39 (1,209,354)

Abstract:

5.

Ni–Deficient Nio/Downsized Ruo2 Composite Catalyst with Rivalrous Size Evolution for Rechargeable Li–Co2 Batteries

Number of pages: 40 Posted: 27 Jul 2025

Dae–Kwon Boo, Huiju Kim, Seung Jae Kwak, Ho–Jin Lee, Yeji Lim, Yoonjeong Yoo, Hye Chan Park, Jun Hyuk Tak, Ji Hyun Lee, Jae-Woo Seo, Seon-Jin Choi, Ki Ro Yoon, Wonchang Choi, Bonjae Koo, Won Bo Lee, YongJoo Kim, Won-Hee Ryu and Ji-won Jung

Konkuk University, affiliation not provided to SSRN, Seoul National University, Konkuk University, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University, Korea University, affiliation not provided to SSRN, Hanyang University, Hanyang University, Konkuk University, Konkuk University, affiliation not provided to SSRN, Seoul National University, Korea University, affiliation not provided to SSRN and Konkuk University

Downloads 25 (1,399,036)

Abstract:

6.

Polyimide–skinned sandwich separator fabricated through centrifugal jet spinning for stable lithium–metal batteries

Number of pages: 26 Posted: 30 Mar 2026

Ji-Won Jung, Dae–Kwon Boo, Jeong-Ho Park, Soobin Lee, Ho–Jin Lee, Su Yeon Bae, Myeong–Oh Song, Ki Ro Yoon, Wonchang Choi, Jungho Jin, Jung-Keun Yoo and Ju Young Kim

University of Ulsan, Konkuk University, University of Ulsan, Konkuk University, Konkuk University, Konkuk University, University of Ulsan, Konkuk University, Konkuk University, University of Ulsan, Korea Institute of Science and Technology (KIST) and Electronics and Telecommunications Research Institute

Downloads 18 (1,481,165)

Wonchang Choi

Konkuk University

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Scholarly Papers (6)

Boosting the Sodiation Kinetics of Sn Anode Using a Yolk-Shell Nanohybrid Structure for High-Rate and Ultrastable Sodium-Ion Batteries

Abstract:

Electrostatic Interaction-Driven Inorganic Coating Layer Toward Improving Battery Performance for 5 V Class High-Voltage Cathode in Secondary Batteries

Abstract:

Porogen-driven nanoporous silicon and (reduced) graphene oxide composites: advance microparticles for superior lithium-ion battery anodes

Abstract:

Lightweight and binder–free sandwich anode of carbon–coated SiOx thin films on free–standing carbon nanofibers for enhanced lithium–ion storage

Abstract:

Ni–Deficient Nio/Downsized Ruo2 Composite Catalyst with Rivalrous Size Evolution for Rechargeable Li–Co2 Batteries

Abstract:

Polyimide–skinned sandwich separator fabricated through centrifugal jet spinning for stable lithium–metal batteries

Abstract: