20150050567 | BIOFUEL CELL - The biofuel cell has a positive electrode, a negative electrode, an external circuit electrically connecting the positive electrode and the negative electrode, a positive electrode region where the positive electrode is disposed, a negative electrode region where the negative electrode is disposed, and a proton permeable membrane disposed between the positive electrode region and the negative electrode region, and the negative electrode region houses a biocatalyst together with the crushed material. The negative electrode region is separated by a mesh into an electrode region and a crushed material region, the negative electrode is housed in the electrode region, and the crushed material is housed in the crushed material region. | 02-19-2015 |