Toyota Jidosha Kabushiki Kaisha

Tatsuhiro Sugimoto

Takahiro Kusumegi

Yusaku Onochi

Noriko Kono

According to the present invention, the enzyme activity of an immobilized enzyme is improved regardless of enzyme type. A bioreactor, comprising an immobilized enzyme and a heterocyclic compound containing nitrogen and carbon atoms and having 5- or 6-membered ring, which form a reaction field, wherein the immobilized enzyme is allowed to cause an enzymatic reaction in the reaction field is, provided.

Bioreactor comprising immobilized enzyme, method for improving activity of immobilized enzyme, and biofuel cell

A fuel cell capable of achieving excellent power output, which comprises a non-catalytic anode electrode and in which a reductant is used as a fuel, is provided. The fuel cell of the present invention comprises an anode electrode, a cathode electrode, and a membrane having ion conductivity that is disposed between the anode electrode and the cathode electrode, in which a reducing fuel in the anode electrode is oxidized in the presence of a heterocyclic compound containing nitrogen and carbon atoms and having 5- or 6-membered ring.

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Toyota, Japan

Tatsuhiro Sugimoto