All Stories

  1. High-intensity ultrasonication as a way to prepare graphene/amorphous iron oxyhydroxide hybrid electrode with high capacity in lithium battery

    Article • Ultrasonics Sonochemistry, May 2015, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  2. A fractal-like electrode based on double-wall nanotubes of anatase exhibiting improved electrochemical behaviour in both lithium and sodium batteries

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Professor Radostina Stoyanova, Professor Ricardo Alcantara, Jose L. Tirado

  3. From kröhnkite- to alluaudite-type of structure: novel method of synthesis of sodium manganese sulfates with electrochemical properties in alkali-metal ion batteries

    Article • Journal of Materials Chemistry A, January 2015, Royal Society of Chemistry

    Professor Radostina Stoyanova

  4. Competitive lithium and sodium intercalation into sodium manganese phospho-olivine NaMnPO4 covered with carbon black

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Professor Radostina Stoyanova

  5. Dittmarite precursors for structure and morphology directed synthesis of lithium manganese phospho-olivine nanostructures

    Article • CrystEngComm, July 2014, Royal Society of Chemistry

    Professor Radostina Stoyanova

  6. Correlations between lithium local structure and electrochemistry of layered LiCo1−2xNixMnxO2oxides:7Li MAS NMR and EPR studies

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Professor Radostina Stoyanova

  7. Sodium deficient nickel–manganese oxides as intercalation electrodes in lithium ion batteries

    Article • Journal of Materials Chemistry A, January 2014, Royal Society of Chemistry

    Professor Radostina Stoyanova

  8. Tunable Ti 4+ /Ti 3+ Redox Potential in the Presence of Iron and Calcium in NASICON-Type Related Phosphates as Electrodes for Lithium Batteries

    Article • Chemistry of Materials, October 2013, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado

  9. Study of the nanosized Li2MnO3: Electrochemical behavior, structure, magnetic properties, and vibrational modes

    Article • Electrochimica Acta, May 2013, Elsevier

    Professor Radostina Stoyanova, Professor Doron Aurbach

  10. Precursor-based methods for low-temperature synthesis of defectless NaMnPO4 with an olivine- and maricite-type structure

    Article • CrystEngComm, January 2013, Royal Society of Chemistry

    Professor Radostina Stoyanova

  11. Long-Length Titania Nanotubes Obtained by High-Voltage Anodization and High-Intensity Ultrasonication for Superior Capacity Electrode

    Article • The Journal of Physical Chemistry C, September 2012, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  12. Lithium Storage Mechanisms and Effect of Partial Cobalt Substitution in Manganese Carbonate Electrodes

    Article • Inorganic Chemistry, May 2012, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado

  13. Structure and reversible lithium intercalation in a new P′3-phase: Na2/3Mn1−yFeyO2 (y = 0, 1/3, 2/3)

    Article • Journal of Materials Chemistry, January 2012, Royal Society of Chemistry

    Professor Radostina Stoyanova

  14. High-Voltage LiNi 1/2 Mn 3/2 O 4 Spinel: Cationic Order and Particle Size Distribution

    Article • The Journal of Physical Chemistry C, December 2011, American Chemical Society (ACS)

    Professor Radostina Stoyanova

  15. Guest Editor’s Editorial: Size Dependent Effects

    Article • Journal of Materials Science, November 2011, Springer Science + Business Media

    Professor Radostina Stoyanova

  16. On the incorporation of extra Li in lithium cobaltate Li1+xCo1−xO2

    Article • Solid State Ionics, April 2011, Elsevier

    Professor Radostina Stoyanova

  17. Local structure of Mn4+ and Fe3+ spin probes in layered LiAlO2 oxide by modelling of zero-field splitting parameters

    Article • Dalton Transactions, January 2011, Royal Society of Chemistry

    Professor Radostina Stoyanova

  18. Facile synthesis of LiMnPO4 olivines with a plate-like morphology from a dittmarite-type KMnPO4·H2O precursor

    Article • Dalton Transactions, January 2011, Royal Society of Chemistry

    Professor Radostina Stoyanova

  19. EPR as a tool for the evaluation of novel lyophilized blood products as absorbents for chemical gas masks

    Article • Journal of Pharmacy and Bioallied Sciences, January 2011, Medknow

    Professor Radostina Stoyanova

  20. On the preparation of nanosized Al2(WO4)3 by a precipitation method

    Article • Solid State Sciences, December 2010, Elsevier

    Professor Radostina Stoyanova

  21. Raman Spectroscopy Study on Na2/3Mn1-xFexO2 Oxides

    Article • Advances in Science and Technology, October 2010, Trans Tech Publications

    Professor Radostina Stoyanova

  22. Ordered Olivine-Type Lithium-Cobalt and Lithium-Nickel Phosphates Prepared by a New Precursor Method

    Article • European Journal of Inorganic Chemistry, July 2010, Wiley

    Professor Radostina Stoyanova

  23. Electron Paramagnetic Resonance, X-ray Diffraction, Mössbauer Spectroscopy, and Electrochemical Studies on Nanocrystalline FeSn 2 Obtained by Reduction of Salts in Tetraethylene Glycol

    Article • Chemistry of Materials, April 2010, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  24. ChemInform Abstract: Formation of Metastable Na2CrO4-Type LiNiPO4 from a Phosphate-Formate Precursor.

    Article • ChemInform, February 2010, Wiley

    Professor Radostina Stoyanova

  25. Formation of Metastable Na2CrO4-Type LiNiPO4 from a Phosphate-Formate Precursor

    Article • European Journal of Inorganic Chemistry, December 2009, Wiley

    Professor Radostina Stoyanova

  26. Fe3+ and Ni3+ impurity distribution and electrochemical performance of LiCoO2 electrode materials for lithium ion batteries

    Article • Journal of Power Sources, October 2009, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  27. On the Performance of LiNi[sub 1/3]Mn[sub 1/3]Co[sub 1/3]O[sub 2] Nanoparticles as a Cathode Material for Lithium-Ion Batteries

    Article • Journal of The Electrochemical Society, January 2009, The Electrochemical Society

    Professor Radostina Stoyanova, Professor Doron Aurbach

  28. Cationic distribution and electrochemical performance of LiCo1/3Ni1/3Mn1/3O2 electrodes for lithium-ion batteries

    Article • Solid State Ionics, November 2008, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado

  29. Comparative analysis of the changes in local Ni/Mn environment in lithium–nickel–manganese oxides with layered and spinel structure during electrochemical extraction and reinsertion of lithium

    Article • Journal of Power Sources, December 2007, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  30. Effect of the high pressure on the structure and intercalation properties of lithium–nickel–manganese oxides

    Article • Journal of Solid State Chemistry, June 2007, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  31. Editorial

    Article • Journal of Materials Science, March 2007, Springer Science + Business Media

    Professor Radostina Stoyanova

  32. Microstructure of LaCoO3 prepared by freeze-drying of metal–citrate precursors revealed by EPR

    Article • Journal of Physics and Chemistry of Solids, February 2007, Elsevier

    Professor Radostina Stoyanova

  33. Lithium Insertion into Modified Conducting Domains of Graphitized Carbon Nanotubes

    Article • Journal of The Electrochemical Society, January 2007, The Electrochemical Society

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  34. Comparing the Behavior of Nano- and Microsized Particles of LiMn[sub 1.5]Ni[sub 0.5]O[sub 4] Spinel as Cathode Materials for Li-Ion Batteries

    Article • Journal of The Electrochemical Society, January 2007, The Electrochemical Society

    Professor Radostina Stoyanova, Professor Doron Aurbach

  35. EPR studies of Li deintercalation from LiCoMnO4 spinel-type electrode active material

    Article • Journal of Power Sources, September 2006, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  36. EPR, NMR, and Electrochemical Studies of Surface-Modified Carbon Microbeads

    Article • Chemistry of Materials, May 2006, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  37. Changes in local Ni/Mn environment in layered LiMgxNi0.5−xMn0.5O2(0 ≤ x ≤ 0.10) after electrochemical extraction and reinsertion of lithium

    Article • Journal of Materials Chemistry, January 2006, Royal Society of Chemistry

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  38. High-pressure synthesis of solid solutions between trigonal LiNiO2 and monoclinic Li[Li1/3Ni2/3]O2

    Article • Journal of Solid State Chemistry, May 2005, Elsevier

    Professor Radostina Stoyanova

  39. Local Coordination of Low-Spin Ni 3+ Probes in Trigonal LiAl y Co 1- y O 2 Monitored by HF-EPR

    Article • The Journal of Physical Chemistry, April 2004, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  40. Changes in the Local Structure of LiMg y Ni 0.5 - y Mn 1.5 O 4 Electrode Materials during Lithium Extraction

    Article • Chemistry of Materials, April 2004, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  41. Layered solid solutions of LiNi1−xCoxO2with α-LiGaO2obtained under high oxygen pressure

    Article • Journal of Materials Chemistry, January 2004, Royal Society of Chemistry

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  42. Nanodispersed iron, tin and antimony in vapour grown carbon fibres for lithium batteries: an EPR and electrochemical study

    Article • Carbon, January 2004, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  43. Modification of Petroleum Coke for Lithium-Ion Batteries by Heat-Treatment with Iron Oxide

    Article • Journal of The Electrochemical Society, January 2004, The Electrochemical Society

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  44. Lithium/nickel mixing in the transition metal layers of lithium nickelate: high-pressure synthesis of layered Li[LixNi1−x]O2 oxides as cathode materials for lithium-ion batteries

    Article • Solid State Ionics, August 2003, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  45. Surface interaction of LiNi0.8Co0.2O2 cathodes with MgO

    Article • Solid State Sciences, May 2003, Elsevier

    Professor Radostina Stoyanova

  46. Electron Paramagnetic Resonance and Solid-State NMR Study of Cation Distribution in LiGa y Co 1 - y O 2 and Effects on the Electrochemical Oxidation

    Article • The Journal of Physical Chemistry, May 2003, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  47. High-pressure synthesis of Ga-substituted LiCoO2with layered crystal structure

    Article • Journal of Materials Chemistry, January 2002, Royal Society of Chemistry

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  48. Cation order/disorder in lithium transition-metal oxides as insertion electrodes for lithium-ion batteries

    Article • Pure and Applied Chemistry, January 2002, De Gruyter

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  49. EPR study on petroleum cokes annealed at different temperatures and used in lithium and sodium batteries

    Article • Carbon, January 2002, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  50. Carbon-Based Negative Electrodes of Lithium-Ion Batteries Obtained from Residua of the Petroleum Industry

    Article • January 2002, Springer Science + Business Media

    Professor Radostina Stoyanova

  51. EPR evidence on short-range Co/Mn order in LiCoMnO4 spinels

    Article • Journal of Materials Chemistry, January 2000, Royal Society of Chemistry

    Professor Radostina Stoyanova

  52. Microstructure of Li1+xMn2-xO4 Cathode Materials Monitored by EPR of Mn4+

    Article • January 2000, Springer Science + Business Media

    Professor Radostina Stoyanova

  53. EPR Studies on the Microstructure of Lini1-yCoyO2 Electrode Materials for Lithium-Ion Batteries

    Article • January 2000, Springer Science + Business Media

    Professor Radostina Stoyanova

  54. Characterisation of mesocarbon microbeads (MCMB) as active electrode material in lithium and sodium cells

    Article • Carbon, January 2000, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  55. Recent advances in the study of layered lithium transition metal oxides and their application as intercalation electrodes

    Article • Journal of Solid State Electrochemistry, April 1999, Springer Science + Business Media

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  56. Microstructure of Li1+xMn2−xO4 spinels obtained from metal-organic precursors

    Article • Journal of Materials Chemistry, January 1999, Royal Society of Chemistry

    Professor Radostina Stoyanova

  57. Lithium−Nickel Citrate Precursors for the Preparation of LiNiO 2 Insertion Electrodes

    Article • Chemistry of Materials, October 1997, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  58. Lithium doping of cobalt-nickel spinel oxides at low temperatures

    Article • Materials Research Bulletin, June 1996, Elsevier

    Professor Radostina Stoyanova

  59. Lithium−Cobalt Citrate Precursors in the Preparation of Intercalation Electrode Materials

    Article • Chemistry of Materials, January 1996, American Chemical Society (ACS)

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  60. Chemically deintercalated cathode materials for lithium cells

    Article • Ionics, May 1995, Springer Science + Business Media

    Professor Radostina Stoyanova, Jose L. Tirado, Professor Ricardo Alcantara

  61. Acid-Delithiated Li1-x(NiyCo1-y)1+xO2 as Insertion Electrodes in Lithium Batteries

    Article • Journal of Solid State Chemistry, November 1994, Elsevier

    Professor Radostina Stoyanova, Jose L. Tirado

  62. Low-temperature preparation of a lithium-cobalt spinel (Li0.35Co2.65O4) by thermal decomposition of CoOOH in a LiNO3 melt

    Article • Materials Research Bulletin, December 1991, Elsevier

    Professor Radostina Stoyanova

  63. Doping of Co3O4 with lithium by a solid state reaction in air. III. EPR evidence of intrinsic disorder reactions in the tetrahedral interstitials

    Article • Materials Chemistry and Physics, November 1990, Elsevier

    Professor Radostina Stoyanova

  64. Doping of Co3O4 with lithium by a solid state reaction in air II. Distribution of lithium in the solid solution

    Article • Materials Chemistry and Physics, July 1990, Elsevier

    Professor Radostina Stoyanova

  65. Doping of Co3O4 with lithium by a solid-state reaction in air I. Oxidation degree and coordination of cations

    Article • Materials Chemistry and Physics, July 1990, Elsevier

    Professor Radostina Stoyanova

  66. Bulk defects in Co3O4, pure and slightly doped with lithium, revealed by EPR of the tetrahedral Co2+ ions

    Article • Journal of Physics and Chemistry of Solids, January 1990, Elsevier

    Professor Radostina Stoyanova

  67. Identification of the center of self-activated luminescence in strontium carbonate by doping with lithium

    Article • Journal of Physics and Chemistry of Solids, January 1989, Elsevier

    Professor Radostina Stoyanova