Skip to content Skip to navigation

Electrocatalytic Materials and Design

Objective:

(1) To explore advanced synthetic techniques
(2) To establish structure-function relationships
(3) To seek major breakthroughs from activity, stability, and cost
(4) To demonstrate the potential for large-scale applications

Capability:

(1) Nano-material synthesis with well-defined morphology

- Carrying out most of the preparation methods regarding liquid-phase chemical reaction

- Separation of nano-materials from liquid solvent via high-speed centrifuge (up to 16,000 rpm)

- Power drying via vacuum oven

- Calcination of as-synthesized material at various gas environment and high temperature (up to 1,200 °C)

(2) Half-cell tests to obtain the material activity and stability, and study the reaction mechanism

- Cyclic voltammetry (CV), Linear sweep voltammetry (LSV), Electrochemical impedance spectrum (EIS), Chronoamperometry, Chronopotentiometry, Corrosion Potential, etc.

Application:

(1) Alkaline anion exchange membrane fuel cell and electrolyzer (AAEMFC)

(2) Proton exchange membrane fuel cell and electrolyzer (PEMFC)

 

Approach (1): Nanocatalyst Powder

Example: Electrocatalysts for oxygen evolution reaction

Approach (2): Ideal Electrode

Relevant Publications:

  1. Kakati, N, Li, G., Chuang, P. A., " Insights into the Ni/C-Based Thin-Film Catalyst Layer Design for Urea Oxidation Reaction in a Three-Electrode System,” ACS Appl. Energy Mater. 2021, https://doi.org/10.1021/acsaem.1c00607
  2. del Rosario, J. D., Li, G., Labata, M. F., Ocon, J. D., Chuang, P.A., "Unravelling the roles of alkali-metal cations for the enhanced oxygen evolution reaction in alkaline media,” Applied Catalysis B: Environmental 2021, https://doi.org/10.1016/j.apcatb.2021.119981
  3. Serraon, A. F., Del Rosario, J. D., Chuang, P. A., Chong, M. N., Morikawa, Y., Padama, A. B., Ocon, J., "Alkaline earth atom doping-induced changes in the electronic and magnetic properties of graphene: a density functional theory study." RSC Advances 11, no. 11 (2021): 6268-6283 https://doi.org/10.1039/D0RA08115A
  4. Labata, M. F., Li, G., Ocon, J. D., Chuang, P. A., "Insights on platinum-carbon catalyst degradation mechanism for oxygen reduction reaction in acidic and alkaline media," Journal of Power Sources (2020) https://doi.org/10.1016/j.jpowsour.2020.229356
  5. Li, G. F., Divinagracia, M., Labata, M. F., Ocon, J. D., Chuang, P. A., “Electrolyte-Dependent Oxygen Evolution Reactions in Alkaline Media: Electrical Double Layer and Interfacial Interactions.”, ACS applied materials & interfaces (2019): 11(37), 33748-33758. https://doi.org/10.1021/acsami.9b06889
  6. Musico, Y. L. F., Kakati, N., Labata, M. F., Ocon J. D., Chuang, P. A., "One-pot hydrothermal synthesis of heteroatom co-doped with fluorine on reduced graphene oxide for enhanced ORR activity and stability in alkaline media." Materials Chemistry and Physics 236 (2019): 121804. https://doi.org/10.1016/j.matchemphys.2019.121804 (Cited by 2)
  7. Li, G, Yang, D., Chuang, P. A., “Defining Nafion ionomer roles for enhancing alkaline oxygen evolution electrocatalysis,” ACS Catalysis 2018, http://dx.doi.org/10.1021/acscatal.8b02217 (Cited by 10)
  8. Geronia, R. M., Padama, A. A, Chuang, P. A., Chong M. N., Ocon, J. D, “Monatomic oxygen adsorption on halogen-substituted monovacant graphene, “ International Journal of Hydrogen Energy. 2018 Sep 13;43 (37):17673-81. https://doi.org/10.1016/j.ijhydene.2018.07.185
  9. Li, G., Chuang, P. A., “Identifying the forefront of electrocatalytic oxygen evolution reaction: electronic double layer,” Applied Catalysis B: Environmental 2018, https://doi.org/10.1016/j.apcatb.2018.08.037 (Cited by 15)
  10.  Li, G., Anderson, L, Chen, Y, Pan M., Chuang, P. A., “New Insights into Evaluating Catalyst Activity and Stability of Oxygen Evolution Reactions in Alkaline Media,” Sustainable Energy & Fuels, 2017, https://doi.org/10.1039/C7SE00337D(Cited by 46)