Importance of broken geometric symmetry of single-atom Pt sites for efficient electrocatalysis

DOI: 10.1038/s41467-023-38964-x Authors: Junsic Cho, Taejung Lim, Haesol Kim, Ling Meng, Jinjong Kim, Seunghoon Lee, Jong‐Hoon Lee, Gwan Yeong Jung, Kug‐Seung Lee, Francesc Viñes, Francesc Illas, Kai S. Exner, Sang Hoon Joo, Chang Hyuck Choi Abstract: Platinum...

Redox Flow Batteries: How to Determine Electrochemical Kinetic Parameters

DOI: 10.1021/acsnano.0c01281 Authors: Hao Wang, Sayed Youssef Sayed, Erik J. Luber, Brian C. Olsen, Shubham M. Shirurkar, Sankaranarayanan Venkatakrishnan, Ushula M. Tefashe, Anna K. Farquhar, Eugene S. Smotkin, Richard L. McCreery, Jillian M. Buriak Abstract: Redox...

Spin-polarized oxygen evolution reaction under magnetic field

DOI: 10.1038/s41467-021-22865-y Authors: Xiao Ren, Tianze Wu, Yuanmiao Sun, Yan Li, Guoyu Xian, Xianhu Liu, Chengmin Shen, José Gracia, Hong-Jun Gao, Haitao Yang, Zhichuan J. Xu Abstract: The oxygen evolution reaction (OER) is the bottleneck that limits the energy...

Modulating the mechanism of electrocatalytic CO2 reduction by cobalt phthalocyanine through polymer coordination and encapsulation

DOI: 10.1038/s41467-019-09626-8 Authors: Yingshuo Liu, Charles C. L. McCrory Abstract: The selective and efficient electrochemical reduction of CO2 to single products is crucial for solar fuels development. Encapsulating molecular catalysts such as cobalt...

Benchmarking the Stability of Oxygen Evolution Reaction Catalysts: The Importance of Monitoring Mass Losses

DOI: 10.1002/celc.201402262 Authors: Rasmus Frydendal, Elisa A. Paoli, Brian P. Knudsen, Björn Wickman, Paolo Malacrida, Ifan E. L. Stephens, Ib Chorkendorff Abstract: Abstract Because of the rising need for energy storage, potentially facilitated by electrolyzers,...

Hydrogen Peroxide Formation Rates in a PEMFC Anode and Cathode: Effect of Humidity and Temperature

DOI: 10.48550/arxiv.2002.09476 Authors: Vijay A. Sethuraman, John W. Weidner, Andrew T. Haug, Sathya Motupally, Lesia Protsailo Abstract: Hydrogen peroxide (H2O2) formation rates in a proton exchange membrane (PEM) fuel cell anode and cathode were estimated as a...

Gelatin-derived sustainable carbon-based functional materials for energy conversion and storage with controllability of structure and component

DOI: 10.1126/sciadv.1400035 Authors: Zhongli Wang, Dan Xu, Haixia Zhong, Jun Wang, Fanlu Meng, Xinbo Zhang Abstract: Nonprecious carbon catalysts and electrodes are vital components in energy conversion and storage systems. Despite recent progress, controllable...

Nanoconfined nitrogen-doped carbon-coated MnO nanoparticles in graphene enabling high performance for lithium-ion batteries and oxygen reduction reaction

DOI: 10.1039/c5sc04668h Authors: Yinghui Wang, Xing Ding, Fan Wang, Junqi Li, Shuyan Song, Hongjie Zhang Abstract: To tackle the issues of inferior cycling stability and low conductivity for MnO as an anode material for lithium ion batteries (LIBs) and as a catalyst...

Tuning selectivity of electrochemical reactions by atomically dispersed platinum catalyst

DOI: 10.1038/ncomms10922 Authors: Chang Hyuck Choi, Minho Kim, Han Chang Kwon, Sung June Cho, Seongho Yun, Hee‐Tak Kim, Karl J. J. Mayrhofer, Hyungjun Kim, Minkee Choi Abstract: Maximum atom efficiency as well as distinct chemoselectivity is expected for...

Understanding the electrocatalysis of oxygen reduction on platinum and its alloys

DOI: 10.1039/c2ee03590a Authors: Ifan E. L. Stephens, Alexander S. Bondarenko, Ulrik Grønbjerg, Jan Rossmeisl, Ib Chorkendorff Abstract: The high cost of low temperature fuel cells is to a large part dictated by the high loading of Pt required to catalyse the oxygen...