The invention provides magnesium fuel cells which can prevent the self-discharge of negative electrode materials and can produce electricity stably for a long term. A magnesium fuel cell 10 includes a negative electrode material 12 including a magnesium al...

The present invention answers the demands of power generating device and biosensor development and provides a flexible, free-standing type protein containing carbon nanotube film, and a sensor and power generating device each equipped with the carbon nanot...

A solid vanadium rechargeable battery, including; a first vanadium compound containing vanadium, whose oxidation number changes between 2 and 3 due to oxidation and reduction reactions, or solid vanadium salt or complex salt including such vanadium, and a ...