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  1. Thickness analysis of activated carbon electrode of cocoa shell on electrochemical performance of supercapacitors

    Article • Results in Engineering, September 2025, Elsevier

    Prof. Yuli Yetri

  2. Optimizing the Eco-Friendly Electrode Analysis from Theobroma cacao Peels Activated Carbon

    Article • International Journal of Thin Films Science and Technology, May 2025, Natural Sciences Publishing

    Prof. Yuli Yetri

  3. SYNTHESIS AND CHARACTERISATION OF ZnO-BASED NANOFIBRE MEMBRANES DOPED WITH ALUMINIUM AND COBALT USING THE ELECTROSPINNING METHOD

    Article • Ceramics - Silikaty, April 2025, Institute of Rock Structure and Mechanics, AS CR

    Prof. Yuli Yetri

  4. SYNTHESIS OF GRAPHENE LIKE CARBON (GLC) FROM COCONUT SHELLS WITH HIGH AND STABLE ELECTRICAL CONDUCTIVITY

    Article • Ceramics - Silikaty, March 2025, Institute of Rock Structure and Mechanics, AS CR

    Prof. Yuli Yetri

  5. The effect of nitrogen doped graphene-like carbon synthesized from coconut shell on conductivity property

    Article • January 2025, American Institute of Physics

    JON Affi, Prof. Yuli Yetri

  6. Effect of two type of lubricants on the hardeness of commercial pure titanium (CpTi) in wire drawing processes at constant Rpm speed

    Article • January 2025, American Institute of Physics

    Prof. Yuli Yetri

  7. The effect of pyrolysis temperatures on synthesized graphene nanosheets-like carbon property extracted from coconut shells

    Article • January 2025, American Institute of Physics

    JON Affi, Prof. Yuli Yetri

  8. Effect of electrolyte variations on physical and electrical properties supercapacitor electrodes from Theobroma Cacao activated carbon

    Article • January 2025, American Institute of Physics

    Prof. Yuli Yetri

  9. Fly-ash derived crystalline Si (cSi) Improves the capacity and energy density of LiNi0.8Co0.1Mn0.1O2 battery: Synthesis and performance

    Article • Results in Engineering, December 2024, Elsevier

    Prof. Yuli Yetri

  10. Analisis Pengaruh Variasi Elektrolit H2SO4, KOH, dan Na2SO4 terhadap Kinerja Elektrokimia Superkapasitor berbasis Biomassa Kulit Kakao

    Article • Jurnal Fisika Unand, September 2024, Perpustakaan Universitas Andalas

    Prof. Yuli Yetri

  11. Investigation of the Adsorption Characteristics of <i>Theobroma cacao</i> Peels Biomass Inhibitors on Mild Steel Surfaces by EIS, SEM-EDX, XPS, and Chemical Studies in Acidic Media

    Article • Solid State Phenomena, June 2024, Trans Tech Publications

    Prof. Yuli Yetri

  12. Natural hidroxyapatite (HA) from bovine bone waste

    Article • Materials Chemistry and Physics, June 2024, Elsevier

    Prof. Yuli Yetri

  13. The Potential of Hydroxyapatite-Alumina Composites for Artificial Bone Implant

    Article • International Journal of Thin Films Science and Technology, May 2024, Natural Sciences Publishing

    Prof. Yuli Yetri

  14. CHARACTERISATION OF GRAPHENE DERIVED FROM COCONUT SHELLS: IMPACT OF AMMONIA DOPING AND THE SONICATION METHOD

    Article • Ceramics - Silikaty, February 2024, Institute of Rock Structure and Mechanics, AS CR

    Prof. Yuli Yetri

  15. Effect of Electrolyte Concentration on Characteristics of Activated Carbon of Cocoa Peel

    Article • IOP Conference Series Earth and Environmental Science, August 2023, Institute of Physics Publishing

    Prof. Yuli Yetri

  16. Improvement in Bioactivity Properties of Hydroxyapatite Coated Ti-6Al-4V ELI with Addition of Zirconium Oxide for Orthopaedic Implant

    Article • Journal of Biomimetics Biomaterials and Biomedical Engineering, February 2023, Trans Tech Publications

    Prof. Yuli Yetri

  17. Zirconium oxide contribution for cracking reduction of the hydroxyapatite-based coating layer on Ti-6AL-4V ELI surface through dip-coating method

    Article • January 2023, American Institute of Physics

    Jon Affi, Prof. Yuli Yetri

  18. Activated carbon from Theobroma cacao peels

    Article • January 2023, American Institute of Physics

    Prof. Yuli Yetri, fardinal fardinal

  19. The adsorption ability of Cacao peels extract in protecting corrosion rates on steel surfaces

    Article • January 2023, American Institute of Physics

    Prof. Yuli Yetri

  20. Extraction of Hydroxyapatite from Bovine Bones: The Manufacturing Development and its Behavior Properties Towards Acrylic Resin/Hydroxyapatite/Alumina Composites

    Article • January 2023, Elsevier

    Prof. Yuli Yetri

  21. Improving the Corrosion Resistance of TNTZ in Hanks’ Solution after Thermomechanical Treatment

    Article • Journal of Hunan University Natural Sciences, November 2022, Science Press

    Prof. Yuli Yetri

  22. ADHESION BONDING OF HYDROXYAPATITE WITH ADDITION OF ZIRCONIUM OXIDE ON Ti -6Al-4V ELI FOR ORTHOPAEDIC IMPLANT

    Article • Ceramics - Silikaty, May 2022, Institute of Rock Structure and Mechanics, AS CR

    Prof. Yuli Yetri

  23. Improvement of the Corrosion Resistance and Potential for Metal Ion Release of Titanium Alloy Ti-6Al-4V ELI in Hanks Balanced Salt Solution (HBSS) after Thermomechanical

    Article • Materials Science Forum, March 2022, Trans Tech Publications

    Prof. Yuli Yetri

  24. Effect of Thermomechanical Treatment on Mechanical Properties and Microstructure of Titanium Alloy Ti-6AL-4V ELI for Orthopedic Applications

    Article • International Journal on Advanced Science Engineering and Information Technology, December 2021, Insight Society

    Prof. Yuli Yetri

  25. Potential Activated Carbon of Theobroma cacao L. Shell for Pool Water Purification in Politeknik Negeri Padang

    Article • Jurnal Riset Teknologi Pencegahan Pencemaran Industri, May 2021, Center of Industrial Pollution Prevention Technology

    Prof. Yuli Yetri

  26. RANCANG BANGUN MESIN PULPER KOPI MENGGUNAKAN PENGGERAK MOTOR LISTRIK

    Article • Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), March 2021, Universitas Lampung

    Prof. Yuli Yetri

  27. Biomass Waste of Cocoa Skin For Basic Activated Carbon as Source of Eco-Friendly Energy Storage

    Article • Journal of Physics Conference Series, February 2021, Institute of Physics Publishing

    Prof. Yuli Yetri

  28. Synthesis and Characterizations of Kubukatebu Particle Board from Cacao Peels and Bagasse

    Article • Journal of Physics Conference Series, February 2021, Institute of Physics Publishing

    Prof. Yuli Yetri

  29. Analysis of Characteristics of Activated Carbon from Cacao (Theobroma cacao) Skin Waste for Supercapasitor Electrodes

    Article • IOP Conference Series Materials Science and Engineering, November 2020, Institute of Physics Publishing

    Prof. Yuli Yetri

  30. Synthesis of activated carbon monolith derived from cocoa pods for supercapacitor electrodes application

    Article • Energy Sources Part A Recovery Utilization and Environmental Effects, August 2020, Taylor & Francis

    Anh Tuan Hoang, Prof. Yuli Yetri

  31. Electrophoretic Deposition (EPD) of Natural Hydroxyapatite Coatings on Titanium Ti-29Nb-13Ta-4.6Zr Substrates for Implant Material

    Article • Materials Science Forum, July 2020, Trans Tech Publications

    Prof. Yuli Yetri

  32. Identification of Cacao Peels Potential as a Basic of Electrodes Environmental Friendly Supercapacitors

    Article • Key Engineering Materials, June 2020, Trans Tech Publications

    Prof. Yuli Yetri

  33. Contribution of Activated Carbon Based on Cacao Peels (Theobroma cacao L.) to Improve the Well Water Quality (COLOR, BOD, and COD)

    Article • IOP Conference Series Materials Science and Engineering, May 2020, Institute of Physics Publishing

    Prof. Yuli Yetri

  34. The Effect of Aging Treatment on Mechanical Properties And Microstructures of Ti-12Cr In Ortodontic Applications

    Article • IOP Conference Series Materials Science and Engineering, May 2020, Institute of Physics Publishing

    Prof. Yuli Yetri

  35. The effect of Theobroma Cacao peels extracts inhibitors on mild steel fatigue behaviour

    Article • Journal of Physics Conference Series, February 2020, Institute of Physics Publishing

    Prof. Yuli Yetri

  36. ADSORPTION CORROSION INHIBITIVE BEHAVIOR OF PEELS EXTRACT OF Theobroma cacao ON MILD STEEL AS A CORROSION INHIBITOR IN HCl MEDIA

    Article • RASAYAN Journal of Chemistry, January 2020, Rasayan Journal of Chemistry

    Prof. Yuli Yetri

  37. Corrosion Resistance of β type titanium (TNTZ) in 3%NaCl solution

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Prof. Yuli Yetri

  38. Corrosion behavior of Ti6Al4V ELI coated by bioceramic HA in artificial saliva at fluctuating temperatures

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Prof. Yuli Yetri

  39. Mechanical properties of mild steel by adding Theobroma Cacao Peels Extract (TCPE) inhibitor

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Prof. Yuli Yetri

  40. Synthesis and characterization of calcium precursor for hydroxyapatite synthesis from blood clam shell (Anadara antiquata) using planetary ball mill process

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Prof. Yuli Yetri

  41. The Effectiveness of Physics Demonstration Kit: The Effect on The Science Process Skills Through Students’ Critical Thinking

    Article • Journal of Physics Conference Series, February 2019, Institute of Physics Publishing

    Prof. Yuli Yetri

  42. Synthesis of Cuprum (Cu) Layer by Electrodeposition Method with Theobroma cacao Peels as Corrosion Protector of Steel

    Article • International Journal on Advanced Science Engineering and Information Technology, July 2018, Insight Society

    Prof. Yuli Yetri

  43. POTENTIALITY OF Theobroma cacao PEELS EXTRACT AS ADDITIVE ON WATER-BASED PAINT TO HYDROPHOBIC PROPERTIES

    Article • RASAYAN Journal of Chemistry, January 2018, Rasayan Journal of Chemistry

    Prof. Yuli Yetri

  44. Green Inhibitor for Mild Steel in Acidic Solution by Using Crude Extract and Polar Extract of Theobroma cacao Peels

    Article • Oriental Journal Of Chemistry, August 2017, Oriental Scientific Publishing Company

    Prof. Yuli Yetri

  45. Corrosion Inhibitor of Mild Steel by Polar Extract of Theobroma cacao Peels in Hydrochloric Acid Solution

    Article • Asian Journal of Chemistry, January 2015, Asian Journal of Chemistry

    Mr Gunawarman Gunawarman, Prof. Yuli Yetri