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In this microfluidic water electrolysis device, the channels in which oxygen and hydrogen are generated by splitting water are separated by a chemically inert wall (red). The conduction of protons from one channel to the other, which is required for continuous operation, occurs via a Nafion® membrane cap (blue).May 2015Science Highlights

Can Small Go Big? Microfluidics Aid Quest for Artificial Photosynthesis

Small-scale device provides easy “plug-and-play” testing of molecules and materials for artificial photosynthesis and fuel cell technologies. Read More »

Dr. Charles McCrory is setting up a rotating disk electrode experiment, which is used to measure a material’s catalytic activity and stability under conditions that are required for a working water-splitting device.May 2015Science Highlights

Comparing Apples to Apples: Benchmarking Electrocatalysts for Solar Water-Splitting Devices

Objective comparison of catalyst performance may enable the development of systems for artificial photosynthesis. Read More »

Gallium arsenide nanowire arrays grown on a silicon substrate are studied using photoelectrochemistry.May 2015Science Highlights

Stacking Semiconductors for Artificial Photosynthesis

Nanowire-based design incorporates two semiconductors to enhance absorption of light. Read More »

Professor Yi Cui holds a lab demonstration of the new lithium-polysulfide semi-liquid flow battery.April 2013Science Highlights

Battery Researchers Go With the Flow

New Battery Design Could One Day Help Solar and Wind Power the Electrical Grid Read More »