The application of artificial intelligence (AI) to chemistry has grown tremendously in recent years. In this Review, we studied the growth and distribution of AI-related chemistry publications in the last two decades using the CAS Content Collection. The volume of both journal and patent publications have increased dramatically, especially since 2015. Study of the distribution of publications over various chemistry research areas revealed that analytical chemistry and biochemistry are integrating AI to the greatest extent and with the highest growth rates. We also investigated trends in interdisciplinary research and identified frequently occurring combinations of research areas in publications. Furthermore, topic analyses were conducted for journal and patent publications to illustrate emerging associations of AI with certain chemistry research topics. Notable publications in various chemistry disciplines were then evaluated and presented to highlight emerging use cases. Finally, the occurrence of different classes of substances and their roles in AI-related chemistry research were quantified, further detailing the popularity of AI adoption in the life sciences and analytical chemistry. In summary, this Review offers a broad overview of how AI has progressed in various fields of chemistry and aims to provide an understanding of its future directions.
A constellation of
technologies has been researched with an eye
toward enabling a hydrogen economy. Within the research fields of
hydrogen production, storage, and utilization in fuel cells, various
classes of materials have been developed that target higher efficiencies
and utility. This Review examines recent progress in these research
fields from the years 2011–2021, exploring the most commonly
occurring concepts and the materials directions important to each
field. Particular attention has been given to catalyst materials that
enable the green production of hydrogen from water, chemical and physical
storage systems, and materials used in technical capacities within
fuel cells. The quantification of publication and materials trends
provides a picture of the current state of development within each
node of the hydrogen economy.
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