Publicações

2025

  • Reversible Hydrogen Storage at Moderate Pressure–Temperature Conditions of C14 Laves Phase Alloys of the (Ti0.5–xZr0.5–xNb2x)1(Mn0.5Cr0.5)2 System. Jéssica Bruna Ponsoni, Vinícius Aranda, Walter J. Botta, Guilherme Zepon. https://doi.org/10.1021/acsaem.5c00876
  • Hydrogen Storage Properties of the Ti18V24Nb23Cr33Al2 Multicomponent Alloy Using Ti6V4Al Alloy Scraps as Feedstock Material. Mariana de Brito Ferraz, Claudia Zlotea, Walter José Botta, Guilherme Zepon. https://doi.org/10.1021/acssusresmgt.5c00054
  • Electrochemical Hydrogenation of Nb: Unraveling Structural and Surface Dynamics of Hydride Formation. Audrey Marie Bedoch, Guilherme Yuuki Koga, Virginie Roche, Guilherme Zepon. https://doi.org/10.1021/acs.jpcc.5c00570

2024

  • Effect of the interchangeability of Ti and Nb on the crystal structure and hydrogen storage properties of TixNb80-xAl10Cr10 (x = 30, 40, and 50) multicomponent alloys. Renato Belli Strozi, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.ijhydene.2024.10.128
  • Achieving room temperature hydrogen storage reversibility in Nb-rich alloys of the Nb-Cr-Mn system. Bruno Hessel Silva, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.jallcom.2024.176187.
  • Hydride Destabilization in the Ti–Nb–Cr System Through Nb/Ti Ratio Adjustment. GC Mayer Dias, BH Silva, A de Sousa Martins, M Felderhoff, WJ Botta, G Zepon. https://doi.org/10.1021/acsaem.4c01167
  • Johnson–Mehl–Avrami–Kolmogorov model applied to describe the site blocking effect in interstitial solid solution. Otávio Abreu Pedroso, Yannick Champion, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.actamat.2024.119907.
  • Pulsed laser activation method for hydrogen storage alloys. Bruno H Silva, Juliana MP Almeida, Antonio C Hernandes, Renato V Gonçalves, Guilherme Zepon. https://doi.org/10.1016/j.ijhydene.2023.12.143.

2023

  • Hydrogen storage properties of the TiVFeZr multicomponent alloy with C14-type laves phase structure. Vinícius Aranda, Daniel Rodrigo Leiva, Jacques Huot, Walter José Botta, Guilherme Zepon.https://doi.org/10.1016/j.intermet.2023.108020
  • Design of a Ti–V–Nb–Cr alloy with room temperature hydrogen absorption/desorption reversibility. Bruno Hessel Silva, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.ijhydene.2023.05.032
  • Elucidating Primary Degradation Mechanisms in High-Cycling-Capacity, Compositionally Tunable High-Entropy Hydrides. Renato Belli Strozi, Matthew Witman, Vitalie Stavila, Jakub Cizek, Kouji Sakaki, Hyunjeong Kim, Oksana Melikhova, Loïc Perrière, Akihiko Machida, Yuki Nakahira, Guilherme Zepon, Walter José Botta, Claudia Zlotea. https://doi.org/10.1021/acsami.3c05206
  • On the Anomalous Behavior of the Charge Transfer Resistance of the Hydrogen Evolution Reaction at Low Overpotentials and Its Relationship with Hydrogen Absorption in Metals. Audrey Marie Bedoch, Guilherme Yuuki Koga, Ricardo Pereira Nogueira, Guilherme Zepon. https://doi.org/10.1021/acs.jpcc.3c01309
  • Structural characterization and hydrogen storage properties of the Ti31V26Nb26Zr12M5 (M= Fe, Co, or Ni) multi-phase multicomponent alloys. Lucas Faccioni Chanchetti, Bruno Hessel Silva, Jorge Montero, Claudia Zlotea, Yannick Champion, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.ijhydene.2022.10.060
  • Tuning the hydrogen storage properties of Ti-V-Nb-Cr alloys by controlling the Cr/(TiVNb) ratio. RB Strozi, BH Silva, DR Leiva, C Zlotea, WJ Botta, G Zepon. https://doi.org/10.1016/j.jallcom.2022.167609
  • A comprehensive investigation of the (Ti0.5Zr0.5)1(Fe0.33Mn0.33Cr0.33)2 multicomponent alloy for room-temperature hydrogen storage designed by computational thermodynamic tools. Jéssica Bruna Ponsoni, Mateusz Balcerzak, Walter José Botta, Michael Felderhoff, Guilherme Zepon. https://doi.org/10.1039/D3TA02197A

2022

2021

  • Thermodynamic modelling of hydrogen-multicomponent alloy systems: Calculating pressure-composition-temperature diagrams. Guilherme Zepon, Bruno Hessel Silva, Claudia Zlotea, Walter José Botta, Yannick Champion. https://doi.org/10.1016/j.actamat.2021.117070
  • An approach to design single BCC Mg-containing high entropy alloys for hydrogen storage applications. RB Strozi, DR Leiva, J Huot, WJ Botta, G Zepon. https://doi.org/10.1016/j.ijhydene.2021.05.087.
  • Design of TiVNb-(Cr, Ni or Co) multicomponent alloys with the same valence electron concentration for hydrogen storage. Bruno Hessel Silva, Claudia Zlotea, Yannick Champion, Walter Jose Botta, Guilherme Zepon. https://doi.org/10.1016/j.jallcom.2021.158767.
  • Effects of the Chromium Content in (TiVNb)100−xCrx Body-Centered Cubic High Entropy Alloys Designed for Hydrogen Storage Applications. Renato Belli Strozi, Daniel Rodrigo Leiva, Guilherme Zepon, Walter José Botta, Jacques Huot. https://doi.org/10.3390/en14113068. 
  • Synthesis and hydrogen storage behavior of Mg–V–Al–Cr–Ni high entropy alloys. RB Strozi, DR Leiva, J Huot, WJ Botta, G Zepon. https://doi.org/10.1016/j.ijhydene.2020.10.106.
  • Review and outlook on high-entropy alloys for hydrogen storage. Felipe Marques, Mateusz Balcerzak, Frederik Winkelmann, Guilherme Zepon, Michael Felderhoff. https://doi.org/10.1039/D1EE01543E.
  • Mg-containing multi-principal element alloys for hydrogen storage: A study of the MgTiNbCr0. 5Mn0. 5Ni0. 5 and Mg0. 68TiNbNi0. 55 compositions. Felipe Marques, Haroldo Cavalcanti Pinto, Santiago Jose Alejandro Figueroa, Frederik Winkelmann, Michael Felderhoff, Walter José Botta, Guilherme Zepon. https://doi.org/10.1016/j.ijhydene.2020.05.069.

2020

2018

2017

  • Structural characterization and hydrogen storage properties of MgH2–Mg2CoH5 nanocomposites. G Zepon, DR Leiva, RB Strozi, BCM Terra, SJA Figueroa, R Floriano, AM Jorge Jr, WJ Botta. https://doi.org/10.1016/j.ijhydene.2017.04.237