153. Wang S., Kou T.,* Baker S., Duoss E. and Li Y.* Electrochemical Reduction of CO2 to Alcohols: Current Understanding, Progress, and Challenges, Adv. Energy Sustainability Res. 2100131 (2021)

152. Smart T., Baltazar V. U., Chen M., Yao B., Mayford K., Bridges F., Li Y. and Ping Y.* The Doping Bottleneck in Hematite: Multipole Clustering by Small Polarons, Chem. Mater., 33,12, 4390-4398 (2021)

151. Lin D., Rao D., Chiovoloni S., Wang S., Lu J. Q. and Li Y.* Prototypical Study of Double-layered Cathodes for Aqueous Rechargeable Static Zn-I2 Batteries, Nano Lett., 21, 9, 4129–4135 (2021)

150. Martins Freitas A.,* Tofanello A., Souza, F.* and Li Y.* Insights on thickness-dependent charge transfer efficiency modulated by ultrasonic treatment in hematite photoanodes, J. Phys. Chem. C,  125, 18, 9981–9989 (2021)

149. Yao B., Peng H., Zhang H., Kang J., Zhu C., Delgado G., Byrne D., Faulkner S., Freyman M., Lu X., Worsley M., Lu J. Q.* and Li Y.* Printing Porous Carbon Aerogels for Low-Temperature Supercapacitors, Nano Lett., 21, 9, 3731–3737 (2021) [Supplementary Cover] [Highlighted by ACS, UCSC News, Physics World, The Academic Times, and a number of educational and scientific websites]

148. Kou T., Wang S. and Li Y.* Perspective on High-Rate Alkaline Water Splitting, ACS Mater. Lett., 3, 224-234 (2021) [Perspective]

147. Wang S., Kou T.*, Varley J., Akhade S., Weitzner S., Baker S., Duoss E.* and Li Y.* Cu2O/CuS Nanocomposites Show Excellent Selectivity and Stability for Formate Generation via Electrochemical Reduction of Carbon Dioxide, ACS Mater. Lett., 3, 100-109 (2021)

146. Song X., Li W., Liu X., Wu Y., He D., Ke Z., Cheng L., Jiang C., Wang G.*, Xiao X.* and Li Y.* Oxygen Vacancies Enable the Visible Light Photoactivity of Chromium-implanted TiO2 Nanowires, J. Energy Chem., 55, 154-161 (2021)