Cobalt disulfide/graphite foam composite films as self-standing electrocatalytic electrodes for overall water splitting

Literature Information

Publication Date 2017-01-16
DOI 10.1039/C6CP08176B
Impact Factor 3.676
Authors

Yue Tong, Xiaowen Yu, Gaoquan Shi


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Abstract

The development of ecofriendly electrocatalysts with earth-abundant metal elements for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is important for overall water splitting to generate clean and sustainable chemical energy. Here, we report a self-standing cobalt disulfide/graphite foam (CoS2/GF) electrocatalytic electrode for this purpose. It showed high catalytic activities for both the HER and OER, requiring only a cell voltage of 1.74 V to achieve a current density of 20 mA cm−2 for overall water splitting in an alkaline electrolyte. This three-dimensional microporous electrocatalytic electrode is cheap and available in a large area; thus, it is attractive for practical applications.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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