A portable device able to create hydrogen peroxide on-site could make it easier to provide the useful disinfectant to people in remote locations.
Typically, hydrogen peroxide is shipped in its diluted form, which takes up a lot of space. As an alternative to expensive transport, the team from MIT created a compact device that relies on solar or wind to power an electrolyzer that breaks down water into hydrogen and oxygen. That hydrogen binds with a mediator molecule before being transferred to a container filled with oxygen-rich water, where the pairs of hydrogen atoms then bind with single oxygen molecules to create hydrogen peroxide.
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