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Investigation of the Supercapacitor Performance of Ni0.8Co0.15Al0.02(OH)2 from the Co-Precipitation Method

Autor: Songhun Yoon, Kee Bum Hwang, Hyosung Kim, Nayeong Kim, Ilbok Lee, Jaekwang Kim, Joong Ho Bae

Publikováno v: Journal of Nanoscience and Nanotechnology. 19:2876-2881

Herein, Ni0.8Co0.15Al0.05(OH)₂ materials, a by-product in the preparation of the precursor of cathode materials for lithium ion batteries, were employed as supercapacitor electrodes. The reaction time was changed from 2 to 48 h to produce hydroxide

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f8bfbd262c5ea2de53858c30e51acc4
https://doi.org/10.1166/jnn.2019.15886

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Enhancement of high temperature cycling stability in high-nickel cathode materials with titanium doping

Autor: Ilbok Lee, Songhun Yoon, Joongho Bae, Keebum Hwang, Junho Song, Sang June Hahn, Ko-Woon Lee, Woosuk Cho

Publikováno v: Journal of Industrial and Engineering Chemistry. 68:124-128

Titanium doping is employed to enhance the structural strength of a high-Ni layered cathode material in lithium ion batteries during high temperature cycling. After Ti-doping, the external morphology remains similar, but the lattice parameters of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::783b535f08458d28f9a8762f1a3da725
https://doi.org/10.1016/j.jiec.2018.07.036

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Novel estimation method of operating life in lithium-ion pouch cells

Autor: Ilbok Lee, Keebum Hwang, Nayeong Kim, Songhun Yoon, Hyosung Kim, Joongho Bae, Jaekwang Kim

Publikováno v: Journal of Industrial and Engineering Chemistry. 67:266-275

Herein, a novel operating life (OL) test method was evaluated with 200 mAh pouch-type lithium-ion batteries. By combining the calendar life (CL) test with intermediate pulse power cycling, more realistic life prediction was possible, which encompasse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acacb7985866eff169ad675731be42ee
https://doi.org/10.1016/j.jiec.2018.06.037

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Clarification of performance degradation of 20 Ah LIB pouch cell after use in electric bus

Autor: Ilbok Lee, Junho Song, Yong-Nam Cho, Joong Ho Bae, Jung-Hoon Ahn, Songhun Yoon, Keebum Hwang, Jaekwang Kim, Na-Young Kim

Publikováno v: Journal of Electroanalytical Chemistry. 829:35-41

Herein, performance degradation of pouch type of 20 A h lithium ion battery from electric bus is clarified after a classification using the resistance value from A to D grade. The obtained cells are carefully disassembled to produce cathode, anode, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77f3c69cb48f99a833a2a3affecf764d
https://doi.org/10.1016/j.jelechem.2018.10.002

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Two-dimensional nanosheets of tungsten vanadate (WV 2 O 7 ) obtained by assembling nanorods on graphene as a supercapacitor electrode

Autor: Gyoung Hwa Jeong, Jaewoong Lim, Ilbok Lee, Songhun Yoon, Sang-Wook Kim

Publikováno v: Journal of Alloys and Compounds. 758:99-107

By cumulative assembly of tungsten vanadate (WV2O7) nanorods, novel two-dimensional (2D) nanosheets of interwoven tungsten vanadate were hydrothermally formed on graphene. When as-prepared material was applied into a supercapacitor electrode using H2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a717d19cd4bcfa1db02a5cd696f53f36
https://doi.org/10.1016/j.jallcom.2018.05.059

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