The fuel cell has gas discharge holes and annularly-arranged gas discharge holes provided at center and periphery of a separator, respectively. The fuel cell is provided with a recess in the surface, on the side contacting a collector of the separator. An ...

Electrode of a solid oxide fuel cell has a structure comprising a three-dimensional net-like structure porous sintered body comprising an oxide ion conductive material and/or oxide ion mixed conductive material. Firing is performed in a state where the par...

The present invention provides a lithium ion polymer battery comprising an electrode having excellent adhesion and electrical conductivity between a current collector and an active material layer, cycle capacity maintaining characteristics being improved, ...

A solid electrolyte type fuel cell which incorporates a metal separator comprising a base material of a metal other than silver or a silver alloy which is plated with silver or a silver alloy. The fuel cell can achieve improved efficiency for electricity g...

A conductive and tabular separator is inserted into the gap between the fuel electrode layer of an i-th power generating cell and the oxidizer electrode layer of an (i+1)-th power generating cell adjacent to the fuel electrode layer. A fuel supply passage ...

A hydrophilic collector for alkaline secondary batteries is formed of a nonwoven fabric plated with nickel in which the nonwoven fabric is hydrophilized by sulfonation, a gaseous fluorine treatment, or vinyl monomer grafting. A method for making the collec...

This invention relates with the carbon powder which is characterized to enhance the adhesive strength and the electrophretic nature to the electrode by including one or more than two of sulfur, nitrogen, boron, phosphorus, and fluorine, with 1 - 20wt% of o...

Disclosed is a hydrogen occluding alloy used for a cathode of battery which enables to provide for a high discharge capacity at small number of charge/discharge cycles by a high-rate initial activation treatment and to increase a high-rate discharge capaci...