International (SCI & SCIE)

1. Yo, C. H.; Ryu, K. S.; Pyun, W. B.; Pyon, M. S., "A Study of the Nonstoichiometry of Lutetium
Sesquioxide", Journal of Physics and Chemistry of Solids, 1990, 51(6), 557∼562.

2. Jang, J. H.; Ryu, K. S.; Kim, D.; Lee, S. H.; Kim, K. H.; Yo, C. H., "Transport Studies of the Solid
Solutions xSrO + (1-x)Nd2O3 : 0.01≤x≤0.15", Bulletin of the Korean Chemical Society, 1993,
14(3), 363∼366. (3월 20일)

3. Yo, C. H.; Ryu, K. S.; Lee, E. S.; Kim, K. H., "Nonstoichiometry of the Terbium Oxide", Bulletin of the Korean Chemical Society, 1994, 15(1), 33∼36. (1월 20일)

4. Ryu, K. S.; Lee, S. J.; Yo, C. H., "Studies of Nonstoichiometry and Physical Properties of the
Perovskite SrxHo1-xFeO3-y System", Bulletin of the Korean Chemical Society, 1994, 15(3),
256∼260. (3월 20일)

5. Roh, K. S.; Ryu, K. S.; Ryu, K. H.; Yo, C. H., "Study of Nonstoichiometry and Physical Properties of the CaxEu1-xFeO3-y System", Bulletin of the Korean Chemical Society, 1994, 15(7), 541∼545. (7월 20일)

6. Yo, C. H.; Jung, I. Y.; Ryu, K. H.; Ryu, K. S.; Choy, J. H., "A Study of Nonstoichiometry and
Physical Properties of the Perovskite Nd1-xCaxFeO3-y System", Journal of Solid State Chemistry,
1995, 114, 265∼270.

7. Lim, H. Y.; Jeong, S. K.; Suh, J. S.; Oh, E. J.; Park, Y. W.; Ryu, K. S.; Yo, C. H., "Preparation and
Properties of Fullerene Doped Polyaniline", Synthetic Metals, 1995, 70, 1463∼1464.

8. Kim, H.; Ryu, K. S.; Yo, C. H.; Jeong, S. K.; Suh, J. S.; Oh, E. J., "Solution Properties of
Conducting Polyaniline Induced by Solvent Quality", Molecular Crystals and Liquid Crystals,
1995, 267, 283∼289.

9. Roh, K. S.; Kim, M. G.; Ryu, K. S.; Yo, C. H., "Nonmetallic Spin Glass Behavior by Spin Frustration at Low Temperature in Nonstoichiometric BaSn1-xFexO3-y System", Solid State Communications, 1996, 100(8), 565∼569. (11월)

10. Cho, J. H.; Lee, H. K.; Ryu, K. S.; Yo, C. H.; Jeong, S. K.; Suh, J. S.; Oh, E. J., "Electrochemical
Impedance Spectroscopy (EIS) Study of the Various Oxidation States of Polyaniline Films in
1N HCl Solution", Molecular Crystals and Liquid Crystals, 1996, 280, 205∼210.

11. Chang, S. H.; Kang, S. G.; Jang, K. H.; Ryu, K. S., "Li Ionic Salt Doped Polyaniline as Positive
Electrode in Lithium Secondary Batteries", Bulletin of the Korean Chemical Society, 1998,
19(2), 261∼263. (2월 20일)

12. Joo, J.; Song, H. G.; Jeong, C. K.; Baeck, J. S.; Lee, J. K.; Ryu, K. S., "The Study of Electrical and Magnetic Properties of LiPF6 Doped Polyaniline", Synthetic Metals, 1999, 98, 212∼217. (1월1일)

13. Ryu, K. S.; Chang, S. H.; Kang, S. G.; Oh, E. J.; Yo, C. H., "Physicochemical and Electrical
Characterization of Polyaniline induced by Crosslinking, Stretching, and Doping", Bulletin of the Korean Chemical Society, 1999, 20(3), 333∼336. (3월 20일)

14. Kang, S. G.; Kang, S. Y.; Ryu, K. S.; Chang, S. H., "Electrochemical and Structural Properties of
HT-LiCoO2 and LT-LiCoO2 Prepared by Citrate Sol-Gel Method", Solid State Ionics, 1999, 120,
155∼161. (5월1일)

15. Kim, C. S.; Lee, G. J.; Liou, K. K.; Ryu, K. S.; Kang, S. G.; Chang, S. H., "Polymer Electrolytes Prepared by Polymerizing the Mixtures of Polymerizable PEO-Oligomers, Copolymer of PVC and Poly(acrylnitrate), and Lithium Triflate", Solid State Ionics, 1999, 123(1-4), 251∼257. (8월)

16. Chang, S. H.; Ryu, K. S.; Kim, K. M.; Kim, M. S.; Kim, I. K.; Kang, S. G., "Electrochemical
Properties of Cobalt Exchanged Spinel Manganese Oxide", Journal of Power Sources, 1999,
84(1), 134∼137. (11월)

17. Ryu, K. S.; Chang, S. H.; Jeong, S. K.; Oh, E. J.; Yo, C. H., "Magnetic Properties of Conducting
Polyaniline induced by Organic Acids and Solvents", Bulletin of the Korean Chemical Society,
2000, 21(2), 238∼240. (2월 20일)

18. Ryu, K. S.; Kim, K. M.; Kang, S. G.; Lee, G. J.; Joo, J.; Chang, S. H., "Electrochemical and physical characterization of lithium ionic salt doped polyaniline as a polymer electrode of lithium secondary battery", Synthetic Metals, 2000, 110, 213∼217. (4월17일)

19. Ryu, K. S.; Kim, K. M.; Kang, S. G.; Joo, J.; Chang, S. H., "Comparison of Lithium// Polyaniline Secondary Batteries with Different Dopants of HCl and Lithium Ionic Salts", Journal of Power Sources, 2000, 88(2), 197∼201. (6월)

20. Jung, J. H.; Kim, B. H.; Lee, D. E.; Lee, S. Y.; Moon, B. W.; Joo, J.; Chang, S. H.; Ryu, K. S., "Charge Transport and Applications to the Secondary Battery of Lithium Salt Doped polyaniline", Journal of the Korean Physical Society, 2000, 37(4), 396~401. (10월)

21. Ryu, K. S.; Kim, K. M.; Kang, S. G.; Lee, G. J.; Chang, S. H., "The charge/discharge mechanism of polyaniline film doped with LiBF4 as polymer electrode in Li secondary battery", Solid State Ionics, 2000, 135(1-4), 229-234. (11월1)

22. Jeong, C. K.; Jung, J. H.; Kim, B. H., Lee, S. Y.; Lee, D. E.; Chang, S. H.; Ryu, K. S.; Joo, J., "Electrical, Magnetic, and Structural Properties of Lithium Salt Doped Polyaniline", Synthetic Metals, 2001, 117, 99~103. (2월15일)

23. Kim, K. M.; Ryu, K. S.; Kang, S. G.; Chang, S. H.; Jung, I. J., "The effect of silica addition on theproperties of poly(vinylidene fluoride-co-hexa fluoropropylene) -based polymer electrolytes", Macromolecular Chemistry and Physics, 2001, 202, 866~872.(3월)

24. Ryu, K. S.; Kim, K. M.; Park, N. G.; Park, Y. J.; Jung, J. H.; Joo, J.; Chang, S. H., "A new approach to prepare highly conducting polyaniline films", Synthetic Metals, 2001, 119(1-3), 355-356. (3월15일)

25. Joo, J; Jung, J. H.; Kim, B. H.; Moon, B. W.; Chang, S. H.; Ryu, K. S., "Insulator-metal transition of Li salts doped polyaniline", Synthetic Metals, 2001, 119(1-3), 461-462. (3월15일)

26. Jung, J. H.; Kim, B. H.; Moon, B. W.; Joo, J.; Chang, S. H.; Ryu, K. S., "Charge transport of
lithium salt doped polyaniline", Physical Review B, 2001, 64, 035101- 1~035101-8. (7월15일)

27. Park, Y. J.; Park, N. G.; Ryu, K. S.; Chang, S. H.; Park S. C.; Yoon, S. M.; Kim, D. K., "RF-Sputtered Vanadium Oxide Thin Films: Effect of Oxygen Partial Pressure on Structural and Electrochemical Properties", Bulletin of the Korean Chemical Society, 2001, 22(9), 1015-1018. (9월)

28. Ryu, K. S.; Moon, B. W; Joo, J.; Chang, S. H., "Characterization of highly conducting lithium salt doped polyaniline films prepared from polymer solution", Polymer, 2001, 42, 9355-9360. (11월)

29. Kang, S. G.; Ryu, K. S.; Chang, S. H.; Park S. C., "The Novel Synthetic Route to LiCoyNi1-yO2 as a Cathode Material in Lithium Secondary Batteries", Bulletin of the Korean Chemical Society,
2001, 22(12), 1328-1332. (12월)

30. Ryu, K. S.; Kim, K. M.; Park, N. G.; Park, Y. J.; Chang, S. H., "Symmetric Redox Supercapacitor with Conducting Polyaniline Electrode", Journal of Power Sources, 2002, 103(2), 305-309. (1월1일)

31. Park, N. G.; Ryu, K. S.; Park, Y. J.; Kang, M. G.; Kim, D. K.; Kang, S. G.; Kim, K. M.; Chang, S. H., "Synthesis and Electrochemical Properties of Binary Polymers- Intercalated V2O5", Journal of Power Sources, 2002, 103(2), 273-279. (1월1일)

32. Ryu, K. S.; Kwon S. K.; Kim, Y. M.; Hwang, D. H.; Chang, S. H., "The possibility of
1,3,4-oxadiazole containing polymer as a new polymer electrode in redox supercapacitor",
Macromolecular Research, 2002, 10(1), 40-43. (2월)

33. Ryu, K. S.; Jung, J. H.; Joo, J.; Chang, S. H., "Improved conducting states induced by electrochemical charging process in polyaniline film doped with new dopants", Journal of the Electrochemical Society, 2002, 149(4), A478-A482. (4월)

34. Park, Y. J.; Ryu, K. S.; Park, N. G.; Hong, Y. S.; Chang, S. H., "RF-Sputtered Vanadium Oxide
Films: Effect of Film Thickness on the structural and Electrochemical Properties", Journal of the Electrochemical Society, 2002, 149(5), A597-A602. (5월)

35. Jung, J. H.; Kim, J. Y.; Kim, B. H.; Moon, B. W.; Joo, J.; Chang, S. H.; Ryu, K. S., "Inhomogeneous Doping of Sodium-Hexaflorophosphate (NaPF6) Doped Polyaniline", Journal
of the Korean Physical Society, 2002, 40(5), 898-902. (5월)

36. Hong, Y. S.; Ryu, K. S.; Park, Y. J.; Chang, S. H.; Kim, M. G.; Lee, J. M., "Amorphous FePO4 as
3V Cathode Material for Lithium Secondary Batteries", Journal of Materials Chemistry, 2002,
12, 1870-1874. (5월24일)

37. Kim, K. M.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Characterization of Poly (vinylidenefluoride-
co-hexafluoropropylrene)-Based Polymer Electrolyte Filled with TiO2 Nanoparticles", Polymer,
2002, 43, 3951-3957. (6월)

38. Lee, Y. G.; Ryu, K. S.; Lee, S. N.; Park, J. K.; Chang, S. H., "Chemical Synthesis and Characterization of High Molecular Weight Poly(2,2’-dithiodianiline) (PDTDA)", Polymer
Bulletin, 2002, 48, 415-421. (6월)

39. Ryu, K. S.; Kim, K. M.; Hong, Y. S.; Park, Y. J.; Chang, S. H., "The Polyaniline Electrode Doped with Li Salt and Protonic Acid in Lithium Secondary Battery", Bulletin of the Korean Chemical Society, 2002, 23, 1144-1148. (8월 20일)

40. Ryu, K. S.; Kim, K. M.; Park, Y. J.; Park, N. G.; Kang, M. G.; Chang, S. H., "Redox Supercapacitor Using Polyaniline Doped with Li Salt as Electrode", Solid State Ionics, 2002, 152-153, 861-866. (12월)

41. Park, Y. J.; Ryu, K. S.; Kim, K. M.; Park, N. G.; Kang, M. G.; Chang, S. H., "Electrochemical
Properties of Vanadium Oxide Thin Film Deposited by RF Sputtering", Solid State Ionics,
2002, 154-155, 229-235. (12월)

42. Hong, Y. S.; Park, Y. J.; Ryu, K. S.; Chang, S. H., "Crystalline Fe3PO7 as an Electrode Material for Lithium Secondary Batteries", Solid State Ionics, 2003, 156/1-2, 27-33. (1월)

43. Kang, M. G.; Park, N. G.; Park, Y. J.; Ryu, K. S.; Chang, S. H., "ManufacturingMethod of
Transparent Electric Window Using Dye-Sensitized TiO2 Solar Cell", Solar Energy Materials and
Solar Cells, 2003, 75/3-4, 475-479. (2월)

44. Ryu, K. S.; Park, N. G.; Kim, K. M.; Lee, Y. G.; Park, Y. J.; Lee, S. J.; Jeong, C. K.; Joo, J.; Chang, S. H., "The Physicochemical Properties of Polyindole/thiol Composites", Synthetic Metals,
2003, 135-136, 397-398. (4월4일)

45. Lee, S. J.; Oh, H. J.; Lee, H. A.; Ryu, K. S., "Fabrication and physical properties of conductive polyacrylonitrile-polyaniline derivative fibers", Synthetic Metals, 2003, 135-136, 399-400. (4월4일)

46. Joo, J.; Park, K. T.; Kim, B. H.; Kim, M. S.; Lee, S. Y.; Jeong, C. K.; Lee, J. K.; Park, D. H.; Yi, W. K.; Lee, S. H.; Ryu, K. S., "Conducting Polymer Nanotube and Nanowire Synthesized by Using Nanoporous Template: Synthesis, Characteristics, and Applications", Synthetic Metals, 2003,
135-136, 7-9. (4월4일)

47. Ryu, K. S.; Wu, X.; Lee, Y. G.; Chang S. H., "Electrochemical Capacitor Composed of Doped
Polyaniline and Polymer Electrolyte Membrane", Journal of Applied Polymer Science, 2003,
89(5), 1300-1304. (5월 16일)

48. Lee, Y. G.; Ryu, K. S.; Chang, S. H., "Chemically Synthesized High Molecular Weight Poly(2,2’-dithiodianiline) (PDTDA) as a Cathode Material for Lithium Secondary Battery", Journal of Power Sources, 2003, 119-121C, 321-325. (6월)

49. Shu, D.; Kumar, G.; Kim, K. B.; Ryu, K. S.; Chang, S. H., "Surface modification of LiMn2O4 thin films at elevated temperature", Solid State Ionics, 2003, 160(3-4), 227-233. (6월)

50. Kim, K. M.; Ko, J. M.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Characterization of
Poly(vinylidenefluoride-co-hexafluoropropylrene)-Based Polymer Electrolytes Filled with Rutile
TiO2 Nanoparticles", Solid State Ionics, 2003, 161(1-2), 121-131. (7월)

51. Hong, Y. S.; Park, Y. J.; Wu, X.; Ryu, K. S.; Chang, S. H., "Synthesis and Electrochemical
Properties of Nanocrystalline Li[NiXLi(1-2X)/3Mn(2-X)/3]O2", Electrochemical and Solid State Letters,
2003, 6(8), A166-A169.(8월)

52. Park, Y. J.; Kim, M. G.; Hong, Y. S.; Wu, X.; Ryu, K. S.; Chang, S. H., "Electrochemical behavior of Li intercalation processes into Li[NixLi(1/3-2x/3)Mn(2/3-x/3) ]O2 cathode", Solid State Communications, 2003, 127, 509-514. (8월)

53. Kim, K. M.; Kim, J. C.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Capacity and Cyle Performances of Practical Lithium-Ion Polymer Battery using a Commercially available LiNiCoO2", Journal of Power Sources, 2003, 123, 69-74. (9월 15일)

54. Hong, Y. S.; Ryu, K. S.; Chang, S. H., "New Iron-Containing Electrode Materials for Lithium
Secondary Batteries", ETRI Journal, 2003, 25(5), 412-417. (10월)

55. Kim, K. M.; Jeon, W. S.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Effect of Evaporation Temperature on the Crystalline Properties of Solution-Cast Films of Poly(vinylidine fluoride)s", Korean Journal of Chemical Engineering, 2003, 20(5), 934-941. (10월)

56. Park, N. G.; Kang, M. G.; Ryu, K. S.; Kim, K. M.; Chang, S. H., "Photovoltaic Characteristics of Dye-Sensitized Surface-Modified Nanocrystalline SnO2 Solar Cells", Journal of Photochemistry and Photobiology A-Chemistry, 2004, 161(2-3), 105-110. (1월30일)

57. Lee, Y. G.; Ryu, K. S., "Preparation and Characterization of Asymmetric Composite Polymer Electrolytes for Lithium Metal Polymer Batteries", Polymer Bulletin, 2004, 51(4), 315~320. (2월)

58. Ryu, K. S.; Lee, Y. I.; Han, K. S.; Kim, M. G., "The Electrochemical Performance of
Polythiophene Synthesized Chemical Method as Polymer Battery Electrode", Materials
Chemistry and Physics, 2004, 84/2-3, 380~384. (2월)

59. Hong, Y. S.; Park, Y. J.; Ryu, K. S.; Chang, S. H.; Kim, M. G., "Synthesis and Electrochemical Properties of Nanocrystalline Li[NixLi(1-2x)/3Mn(2-x)/3]O2 Prepared by Simple Combustion Method", Journal of Materials Chemistry, 2004, 14(9), 1424-1429. (3월26일)

60. Park, Y. J.; Hong, Y. S.; Wu, X.; Ryu, K. S.; Chang, S. H., "Structural investigation and electrochemical behavior of Li[NixLi(1/3-2x/3)Mn(2/3-x/3)]O2 compounds by a simple combustion method", Journal of Power Sources, 2004, 129(2), 288~295. (4월 22일)

61. Park, Y. J.; Hong, Y. S.; Wu, X.; Kim, M. G.; Ryu, K. S.; Chang, S. H., "Cyclic properties of
Li[Co0.17Li0.28Mn0.55]O2 cathode material", Bulletin of the Korean Chemical Society, 2004, 25(4),
511~516. (4월20일)

62. Wu, X.; Park, Y. J.; Ryu, K. S.; Lee, Y. G.; Chang, S. H., "Electrochemical Properties of Layered Li-Cr-Mn Oxides Prepared at High Temperature", Solid State Ionics, 2004, 169(1-4), 145~150. (4월 30일)

63. Kang, H. K.; Jung, B. Y.; Kim, M. G.; Lee, Y. l.; Kim, D. M.; Ryu, K. S.; Han, K. S., "Direct thermal reaction for preparation of lithiated cathode materials without any artificial mixing procedures", Solid State Ionics, 2004, 169(1-4), 151~159. (4월 30일)

64. Park, Y. J.; Hong, Y. S.; Wu, X.; Ryu, K. S.; Chang, S. H.; Kim, M. G., "Synthesis and
Electrochemical Characteristics of Li[CoxLi(1/3-x/3)Mn(2/3-2x/3)]O2Compounds", Journal of the
Electrochemical Society, 2004, 151(5), A720~A727. (5월)

65. Park, N. G.; Kang, M. G.; Kim, K. M.; Ryu, K. S.; Chang, S. H.; Kim, D. G.; Lagemaat, J. Vande; Bengkstein, K.; Frank, A. J., "Morphological and photo-electrochemical Characterization of
Core-Shell Nanoparticle Films for Dye-Sensitized Solar Cells: Zn-O Type Shell on SnO2 and
TiO2 Cores", Langmuir, 2004, 20, 4246-4253. (5월 11일)

66. Wu, X.; Ryu, K. S.; Hong, Y. S.; Park, Y. J.; Chang, S. H., "Properties of Li[CrxLi(1-x)/3Mn2(1-x)/3]O2
(0.1 219~224. (5월 20일)

67. Kang, M. G.; Ryu, K. S.; Chang, S. H.; Park, N. G.; Hong, J. S.; Kim, K. J., " Dependence of TiO2
Film Thickness on Photocurrent-Voltage Characteristics of Dye-Sensitized Solar Cells", Bulletin of the Korean Chemical Society, 2004, 25(5), 742~744. (5월)

68. Kang, S. G.; Kim, K. M.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Factors affecting the
electrochemical performance of organic/V2O5 hybrid cathode materials", Journal of Power
Sources, 2004, 133(2), 263~267. (6월 4일)

69. Kang, M. G.; Kim, K. M.; Ryu, K. S.; Chang, S. H.; Park, N. G.; Hong, J. S.; Kim, K. J., "Dye-Sensitized TiO2 Solar Cells Using Polymer Gel Electrolytes based on PVdF-HFP", Journal of the Electrochemical Society, 2004, 151 (7), E257~E260. (7월)

70. Lee, Y. G.; Ryu, K. S.; Chang, S. H., "Multi-Functional Dual-Layer Polymer Electrolytes for
Lithium Metal Polymer Batteries", ETRI Journal, 2004, 26(4), 285~291. (8월)

71. Wu, X.; Chang, S. H.; Park, Y. J.; Ryu, K. S., "Studies on Capacity Increase of Li1.27Cr0.2Mn0.53O2- based Lithium Batteries", Journal of Power Sources, 2004, 137(1) 105~110. (10월).

72. Kim, E. J.; Son, D. Y.; Kim, T. G.; Cho, J. P.; Park, B. W.; Ryu, K. S.; Chang, S. H., "A Mesoporous/Crystalline Composite Material Containing Tin Phosphate for Use as the Anode
in Lithium-Ion Batteries", Angewandte Chemie-International Edition, 2004, 43, 5987~5990.
(11월12일) Angewandte Chemie, 2004, 116(44), 6113-6116

73. Ko, J. M.; Min, B. G.; Kim, D. W.; Ryu, K. S.; Kim, K. M.; Lee, Y. G.; Chang, S. H., "Thin film type Li-ion battery, using a polyethylene separator grafted with glycidyl methacrylate", Electrochimica Acta, 2004, 50(2-3), 366~369. (11월30일)

74. Jung, B. Y.; Kang, H. K.; Jeong, I. S.; Han, K. S.; Lee, Y. I.; Choo, J. B.; Ryu, K. S., "Acetate self-mixing and direct thermal reaction for preparation of LiCoO2", Electrochimica Acta, 2004,
50(2-3), 471~476. (11월30일)

75. Lee, S. W.; Jung, B. Y.; Han, K. S.; Lee, Y. I.; Kim, D. M.; Kim, M. G.; Ryu, K. S.; Kang, E. Y.; Jeong, J. H., "Acetate self-mixing and direct thermal reaction for preparation of LiNi0.7Co0.3O2", Electrochimica Acta, 2004, 50(2-3), 477~481. (11월30일)

76. Lee, Y. I.; Woo, A. J.; Han, K. S.; Ryu, K. S.; Sohn, D. W.; Kim, D. M.; Lee, H. Y., "Solid-state
NMR Studies of Al-doped and Al2O3-coated LiCoO2", Electrochimica Acta, 2004, 50(2-3), 489~492. (11월30일)

77. Kim, M. G.; Sung, N. E.; Shin, H. J.; Shin, N. S.; Ryu, K. S.; Yo, C. H., "Ni and Oxygen K-edge XAS investigation into the chemical bonding for lithiation of LiyNi1-xAlxO2 cathode material", Electrochimica Acta, 2004, 50(2-3), 499~502. (11월30일)

78. Ryu, K. S.; Lee, Y. G.; Hong, Y. S.; Park, Y. J.; Wu. X.; Kim. K. M.; Kang, M. G.; Park, N. G.; Chang, S. H., "Poly(ethylenedioxythiophene) (PEDOT) as Polymer Electrode in Redox Supercapacitor", Electrochimica Acta, 2004, 50(2-3), 838~842. (11월30일)

79. Park, Y. J.; Hong, Y. S.; Wu, X.; Ryu, K. S.; Chang, S. H., "Structural and Electrochemical
Properties of Li[CoxLi(1/3-x/3)Mn(2/3-2x/3)]O2 Cathode Materials", Solid State Ionics, 2004, 175/1-4, 305~309. (11월)

80. Lee, Y. I.; Woo, A.; Ryu, K. S.; Park, Y. J.; Jung, B. Y.; Lee, J. H.; Han, K. S., "7Li MAS NMR Studies of Layered LixCoO2 Prepared Using Eutectic Self-mixing Technique for a Cathode Material", Solid State Ionics, 2004, 175/1-4, 311~314. (11월)

81. Ryu, K. S.; Park, Y. J.; Lee, Y. G.; Hong, Y. S.; Wu, X.; Kim, K. M.; Chang, S. H.: Lee, S. J.,
"Polyaniline Doped with Dimethylsulfate as a Polymer Electrode for All Solid-State Power
Source System", Solid State Ionics, 2004, 175/1-4, 759~763. (11월)

82. Ryu, K. S.; Lee, Y. I.; Han, K. S.; Park, Y. J.; Kang, M. G.; Park, N. G.; Chang, S. H., "Electrochemical Supercapacitor Using Polyaniline doped with Lithium Salt and Active Carbon Electrodes", Solid State Ionics, 2004, 175/1-4, 765~768. (11월)

83. Kang, M. G.; Ryu, K. S.; Chang, S. H.; Park, N. G., "A new ionics Liquid for Redox Electrolyte of Dye-Sensitized Solar Cells", ETRI Journal, 2004, 26(6), 647~652. (12월15일)

84. Hong, Y. S.; Park, Y. J.; Ryu, K. S.; Chang, S. H., "Charge/Discharge Behavior of
Li[Ni0.20Li0.20Mn0.60]O2 and Li[Co0.20Li0.27Mn0.53]O2 Cathode Materials in Lithium Secondary
Batteries", Solid State Ionics, 2005, 176, 1035~1042. (2월 8일)

85. Kang, M. G.; Park, N. G.; Ryu, K. S.; Chang, S. H.; Kim, K. J., "Flexible Metallic Substrates for
TiO2 Film of Dye-Sensitized Solar Cells", Chemistry Letters, 2005, 34(6), 804-805. (6월)

86. Park, N. G.; Kim, K. M.; Kang, M. G.; Ryu, K. S.; Chang, S. H.; Shin, Y. J., "Chemical sintering of nanoparticles: A methodology for low temperature fabrication of dye-sensitized solar cells",
Advanced Materials, 2005, 17, 2349~2353. (8월22일)

87. Joo, J.; Park, S. K.; Seo, D. S.; Lee, S. J.; Kim, H. S.; Ryu, K. S.; Lee, T. J.; Seo, S. H.; Lee, C. J., "Formation of Nanoislands on Conducting Poly(3,4-ethylenedioxythiophene) Films by High-Energy-Ion Irradiation: Applications as Field Emitters and Capacitor Electrodes", Advanced Functional Materials, 2005, 15(9), 1465~1470. (9월)

88. Hong, Y. S.; Park, Y. J.; Ryu, K. S.; Chang, S. H.; Shin, Y. J., "Structural and Electrochemical Properties of (1-x) Li[Ni0.20Li0.20Mn0.60]O2-xLi[Co0.50Li0.167Mn0.333] O2 for Lithium Secondary Batteries", Journal of Power Sources, 2005, 147, 214~219. (9월 9일)

89. Lee, Y. G.; Kim, K. M.; Park, Y. J.; Hong, Y. S.; Wu, X.; Ryu, K. S., "Electrochemical
Characteristics of Multi-Functional Polymer Electrolyte based on Dual-Layer Membrane for Lithium Metal Polymer Battery", Synthetic Metals, 2005, 152(1-3), 89~92. (9월 21일)

90. Ryu, K. S.; Lee, Y. G.; Kim, K. M.; Park, Y. J.; Hong, Y. S.; Wu, X.; Kang, M. G.; Park, N. G.; Ko, J.
M., "Electrochemical Capacitor with Chemically Polymerized Conducting Polymer based on
Activated Carbon as Hybrid Electrodes", Synthetic Metals, 2005, 153(1-3), 89~92. (9월 21일)

91. Joo, J; Kim, B. H.; Park, D. H.; Kim, H. S.; Shim, J. H.; Park, S. K.; Kim, K. H.; Ryu, K. S.; Kim, K.
G.; Jin, J. I., "Fabrication and Applications of Conducting Polymer Nanotube, Nanowire, Nanoisland, and Nonocomposite", Synthetic Metals, 2005, 153(1-3), 313~316. (9월 21일)

92. Yu-Ju Shin, Ki Seok Kim, Nam-Gyu Park, Kwang Sun Ryu, Soon Ho Chang, "Enhancement of
Photovoltaic Properties of Ti-modified Nanocrystalline ZnO Electrode for Dye-sensitized Solar
Cell", Bulletin of the Korean Chemical Society, 2005, 26(12), 1929-1930. (12월)

93. Kim, J. S.; Hong, Y. S.; Ryu, K. S.; Kim, M. G.; Cho. J. P, "Washing Effect of a LiNi0.83Co0.15Al0.02O2 Cathode in Water", Electrochemical and Solid State Letters, 2006, 9, A19. (1월)

94. Shin, Y. J.; Choi, W. J.; Hong, Y. S.; Yoon, S. K.; Ryu, K. S.; Chang, S. H., "Investigation on the
microscopic features of layered oxide Li[Ni1/3Co1/3Mn1/3]O2 and their influences on the cathode properties", Solid State Ionics, 2006, 177(5~6), 515~521. (2월)

95. Kim, K. M.; Park, N. G.; Kang, M. G.; Ryu, K. S.; Chang, S. H., "Effect of TiO2 Inclusion in the
Poly(vinylidene fluoride-co-hexafluoropropylene)-Based Polymer Electrolyte of Dye-Sensitized
Solar Cell", Bulletin of the Korean Chemical Society, 2006, 27(2), 322~324. (2월 20일)

96. Ki Seok Kim, Yoon-Sik Kang, Jung-Hoon Lee, Yu-Ju Shin, Nam-Gyu Park, Kwang Sun Ryu, Soon Ho Chang, "Photovoltaic Properties of Nano-particulate and Nanorod Array ZnO Electrodes for Dye-Sensitized Solar Cell", Bulletin of the Korean Chemical Society, 2006, 27(2), 295~298. (2월 20일)

97. Kang, M. G.; Park, N. G.; Ryu, K. S.; Chang, S. H.; Kim, K. J., "A 4.2% efficient flexible dye-sensitized TiO2 solar cells using stainless steel substrate", Solar Energy Materials and Solar Cells, 2006, 90(5), 574~581. (3월23일)

98. Kim, K. M.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Characteristics of PVdF-HFP/TiO2 composite membrane electrolytes prepared by phase inversion and conventional casting methods", Electrochimica Acta, 2006, 51(26), 5636~5644. (8월15일)

99. Kim, K. M.; Park, N. G.; Ryu, K. S.; Chang, S. H., "Physical and electrochemical
characterizations of PVdF-HFP/SiO2-based polymer electrolytes prepared by phase inversion technique", Journal of Applied Polymer Science, 2006, 102(1), 140~148. (10월5일)

100. Young-Gi Lee, Kwangseuk Kyhm, Nam-Soon Choi and Kwang Sun Ryu, "Submicroporous/
microporous and compatible/incompatible multi-functional dual-layer polymer electrolytes and their interfacial characteristics with lithium metal anode", Journal of Power Sources, 2006,
163(1), 264~268. (12월 7일)

101. Kwang Man Kim, Jin-Chul Kim, Kwang Sun Ryu, "Characteristics of PVdF-HFP/TiO2
Composite Electrolytes Prepared by Phase Inversion Technique Using Dimethyl Acetamide
Solvent and Water Non-solvent", Macromolecular Materials and Engineering, 2006, 291(12),
1495-1502. (12월8일)

102. Ryu, K. S.; Jeong, S. K.; Joo. J.; Kim, K. M., "Polyaniline Doped with Dimethyl Sulfate as a Nucleophilic Dopant and Its Electrochemical Properties as an Electrode in a Lithium Secondary Battery and a Redox Supercapacitor", Journal of Physical Chemistry B, 2007,
111(51), 731-739. (1월5일)

103. Ryu, K. S.; Kim, K. M., "A hybrid power source with a shared electrode of polyaniline doped with LiPF6", Journal of Power Sources, 2007, 165(1), 420-426. (2월25일)

104. Kwang Man Kim, Jin-Chul Kim, Kwang Sun Ryu, "Physical and Electrochemical Properties of
PVdF-HFP/SiO2-Based Polymer Electrolytes Prepared Using Dimethyl Acetamide Solvent and
Water Non-Solvent", Macromolecular Chemistry and Physics, 2007, 208, 887-895. (4월 19일)