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Research results

2011

International conference


Temperature and C-rate tendency of electrochemical performance for Li[Co0.1Ni0.15Li0.2Mn0.55]O2 cathode materials before and after coating Co3(PO4)2

Chul Hyun Yo, Kwang-Sun Ryu, Jeong-Hun Ju, Gyeong-Ok Kim
January 8-11, 2011, Chiang Mai, Thailand
The 12th International Symposium on Eco-Materials Processing and Design


X-ray absorption spectroscopy studies on Ni ion of Li(Ni0.8Co0.15Al0.05)0.8 (Ni0.5Mn0.5)0.2O2 with core-shell structure and LiNi0.8Co0.15Al0.05o2 as cathode materials

Sung-Woo Cho, Kwang-Sun Ryu
July 28-31, 2011, Jeju, Korea
2011 International Forum on Functional Materials (2011 IFFM), The 2nd Special Symposium on
Advances in Functional Maretials


Electrochemical performance of graphene/NiO composite as anode material for lithium-ion battery

Seung-Gi Hwang, Hye-Min Lim, Su-Ryeon Yun, Kwang-Sun Ryu
July 28-31, 2011, Jeju, Korea
2011 International Forum on Functional Materials (2011 IFFM), The 2nd Special Symposium on
Advances in Functional Maretials


The effects of LiNiPO4 coating on surface of sulfur doped Li[Co0.1Ni0.15Li0.2 Mn0.55]O2

Sung-Woo Cho, Kyeong-Ok Kim, Kwang-Sun Ryu
Aug. 21-26, 2011, Jeju, Korea
The 18th International Conference on Composite Materials (ICCM)


Preparation of MoO3/MoS2/TiO2 composites for catalytic degradation of methylene blue

Moon-Jin Hwang, Sang Wook Han, Thanh Binh Nguyen, Kwang-Sun Ryu
Aug. 24-26, 2011, KINTEX (ilsan), Korea
Nano Korea 2011


Sulfur anion doping and surface modification with LiNiPO4 of a Li[Co0.1Ni0.15Li0.2 Mn0.55]O2 cathode material

Sung-Woo Cho, Kwang-Sun Ryu
Aug. 24-26, 2011, KINTEX (ilsan), Korea
Nano Korea 2011


Synthesis of 3-dimensional TiO2 structure for enhancing the performance of dye-sensitized solar cell

Gyeong-Ok Kim, Kwang-Sun Ryu
August 24, 2011, Fukuoka University, Japan
Joint Seminar between University of Ulsan and Fukuoka University


Poly 1, 8-naphthylidine containing di-sulfur and copper complex as chelating ligand for using high-capacity polymer cathode in lithium batteries

Ji-Woo Oh, Kwang-sun Ryu
August 24, 2011, Fukuoka University, Japan
Joint Seminar between University of Ulsan and Fukuoka University


High capacitance of Co3O4/RuO2?xH2O with multi-hollow sphere structure as supercapacitor electrode materials

Hye-Min Lim, Seung-Gi Hwang, Kwang-Sun Ryu
August 24, 2011, Fukuoka University, Japan
Joint Seminar between University of Ulsan and Fukuoka University


Synthesis of TiO2 with sphere-in-sphere structure and measurement of charge transport and recombination properties induced by current and voltage perturbation

Gyeong-Ok Kim, Yong Soo Kim, Kwang-Sun Ryu
Sep. 28-30, 2011, Grand Hotel (Busan), Korea
Global Photovoltaic Conference 2011(GPVC 2911) & The 6th Korea-China- Japan International
Synposium on Photovoltaics


Dynamic response of charge transport and back reactions in dye-sensitized solar cell using intensity-modulated photocurrent and photovoltage spectroscopy

Gyeong-Ok Kim, Kwang-Sun Ryu
October, 9∼14, 2011, Boston, USA
The 220th Meeting of the Electrochemical Society


Fabrication and control of the shell thickness for polypyrrole hollow sphere using polystyrene templates for using as electrode of Li-ion battery

Su-Ryeon Yun, Sung-Woo Cho, Ji-Woo Oh, Kwang-Sun Ryu
October, 9∼14, 2011, Boston, USA
The 220th Meeting of the Electrochemical Society


Electrochemical lithiation and delithiation behavior of MoS2 nanoclusters synthesized by hydrothermal method

Moon-Jin Hwang, Kwang-Sun Ryu
November, 7∼10, 2011, Jeju, Korea
International Conference on Advanced Electromaterials (ICAE2011)


Graphene anchored with M3O4 (Mn, Co) nanopaticles as anode of lithium ion batteries

Seung-Gi Hwang, Hye-Min Lim, Su-Ryeon Yun, Kwang-Sun Ryu
November, 7∼10, 2011, Jeju, Korea
International Conference on Advanced Electromaterials (ICAE2011)


The effects of sulfur doping and LiNiPO4 coating for LiNi0.5Mn0.3Co0.2O2 and Li[Co0.1Ni0.15Li0.2Mn0.55]O2 cathode materials

Sung-Woo Cho, Kwang-Sun Ryu
Dec. 12-16, 2011, University of New South Wales, Sydney, Australia
5th International Conference on Electroceramics (ICE 2011)


Electrochemical performance of graphene/MxOy (Ni, Mn, Co) composites as anode material for lithium ion batteries

Seung-Gi Hwang, Kwang-Sun Ryu
Dec. 12-16, 2011, University of New South Wales, Sydney, Australia
5th International Conference on Electroceramics (ICE 2011)



Domestic conference


Zn-doped TiO2 with high photocatalyst activity by sol-gel method

Thanh Binh Nguyen, Moon-Jin Hwang, Kwang-Sun Ryu
5월11일~13일, 2011
한국공업화학회 춘계학술 발표회(제주국제컨벤션센터)


Characterization and electrochemical performance of PDTDA, Ppy hollow sphere and PDTDA/Ppy composites electrode in lithium secondary battery

Su-Ryeon Yun, Gyeong-Ok Kim,Yongku Kang, Kwang-Sun Ryu
5월11일~13일, 2011
한국공업화학회 춘계학술 발표회(제주국제컨벤션센터)


The structural and thermal stability of Li[Co0.1Ni0.15Li0.2Mn0.55] doped with sulfur anion and coated with LiNiPO4

Sung-Woo Cho, Gyeong-Ok Kim, Ji-Woo Oh, Moon-Jin Hwang, Kwang-Sun Ryu
6월22일~23일, 2011
한국전지학회 춘계학술 발표회(코엑스, 서울)


The effects of the sulfur anion doping and surface modification with LiNiPO4 of LiNi0.5Mn0.3Co0.2O2 cathode material

Sung-Woo Cho, Seung-Gi Hwang, Su-Ryeon Yun, Hye-Min Lim, Kwang-Sun Ryu
6월22일~23일, 2011
한국전지학회 춘계학술 발표회(코엑스, 서울)


Charge transport and recombination in DSSC induced by current and voltage perturbation

Gyeong-Ok Kim, Kwang-Sun Ryu
6월22일~23일, 2011
한국전지학회 춘계학술 발표회(코엑스, 서울)


Electrochemical properties of polypyrrole hollow sphere with different thicknesses using layer-by-layermethod for LIB

윤수련, 조성우, 황승기, 강영구, 류광선
7월7일, 2011
(사)한국전기화학회, 부산울산경남지부 임시총회 및 춘계학술대회 (합천호 관광농원 청소년 수련관)


Intensity-modulated photocurrent and photovoltage spectroscopy for dye- sensitized solar cell

김경옥, 조권구, 김기원, 류광선
7월7일, 2011
(사)한국전기화학회, 부산울산경남지부 임시총회 및 춘계학술대회 (합천호 관광농원 청소년 수련관)


NiO nanopaticles with plate structure grown on graphene as anode material for lithium-ion battery

Seung-Gi Hwang, Kwang-Sun Ryu
9월28일~30일, 2011
대전컨벤션센터, 대한화학회 제 108회 총회 및 학술발표 대회


Controlled shell thicknesses of polyaniline and polypyrrole hollow sphere for improving electrochemical performance

Su-Ryeon Yun, Kwang-Sun Ryu
9월28일~30일, 2011
대전컨벤션센터, 대한화학회 제 108회 총회 및 학술발표 대회


Anion doping with sulfur and surface modification with LiNiPO4 of a LiNi0.5Mn0.3Co0.2O2 and Li[Co0.1Ni0.15Li0.2Mn0.55]O2 cathode materials

Sung-Woo Cho, Kwang-Sun Ryu
9월28일~30일, 2011
대전컨벤션센터, 대한화학회 제 108회 총회 및 학술발표 대회


Fabrication of V-doped TiO2 with high adsorption capacity for decolorization of methylene blue

Thanh Binh Nguyen, Kwang-Sun Ryu
9월28일~30일, 2011
대전컨벤션센터, 대한화학회 제 108회 총회 및 학술발표 대회


Aniline base conducting polymer as cathode material for lithium-ion battery

Su-Ryeon Yun, Yongku Kang, Kwang-Sun Ryu
11월2일~4일, 2011
한국공업화학회 추계학술 발표회(성남 경원대학교)


Formation of a scattering layer using 3-dimensional TiO2 structure for enhancing the performance of dye-sensitized solar cell

Gyeong-Ok Kim, Kwang-Sun Ryu
11월2일~4일, 2011
한국공업화학회 추계학술 발표회(성남 경원대학교)


Poly 1, 8-naphthylidine containing di-sulfur and copper complex as chelating ligand for using high-capacity polymer cathode in lithium batteries

Ji-Woo Oh, Yongku kang, Kwang-Sun Ryu
11월2일~4일, 2011
한국공업화학회 추계학술 발표회(성남 경원대학교)


리튬이차전지 양극 물질Poly di([1,2]bisthiolo[3,4,5-de][1,8]-naphthylidine) copper의 합성과 전기화학적 특성

오지우, 윤수련, 류광선
12월1일~3일, 2011
제주도 서귀포칼호텔, 한국전지학회10주년 기념 학술대회


마이크로 입자 타이타늄 옥사이드를 이용한 염료감응 태양전지의 전자 이동과 효율 향상

김경옥, 류광선
12월1일~3일, 2011
제주도 서귀포칼호텔, 한국전지학회10주년 기념 학술대회


MoO2/MoS2/graphene oxide 혼합물로 구성된 리튬이차전지 음극 물질의 전기화학적 특성

황문진, 황승기, 류광선
12월1일~3일, 2011
제주도 서귀포칼호텔, 한국전지학회10주년 기념 학술대회


그래핀/플레이트 형상의 니켈옥사이드 합성 및 이를 이용한 리튬이차전지 음극의 전기화학적 특성 연구

황승기, 조성우, 정한모, 류광선
12월1일~3일, 2011
제주도 서귀포칼호텔, 한국전지학회10주년 기념 학술대회