Sekisui Chemical Co., Ltd.

Yoshiharu Konno

Masashi Kanoh

Hideyasu Nakajima

Toshihito Miyama

Kenichi Shinmei

Toshihito Miyami

The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.

Electrolyte, electrolyte solution, gel electrolyte, electrolyte membrane, method for manufacturing gel electrolyte battery, and lithium ion secondary battery

A membrane-electrode junction agent, a proton conducting membrane having a junction layer, a membrane-electrode assembly, a polymer electrolyte fuel cell, and a manufacturing method of the membrane-electrode assembly, which enhance the power generation performance, realize the high fuel barrier property, and are capable of enhancing the joint strength between the membrane and the electrodes, is provided. A membrane-electrode junction agent that joins a proton conducting membrane and electrodes arranged on both surfaces of the proton conducting membrane to each other, the membrane-electrode junction agent including: a cross-linked compound (X) having a silicon-oxygen bond; a polymer material (Y) containing an acid group; and a hydrophilic resin (Z) containing no acid group.

Membrane-electrode junction agent, proton conducting membrane having junction layer, membrane-electrode assembly, polymer electrolyte fuel cell, and manufacturing method of the membrane-electrode assembly

An electrode which can be used in a fuel cell having improved power generation performance and high durability, and a fuel cell having such an electrode, are provided. An electrode having catalyst layers arranged on both surfaces of an electrolyte membrane, wherein the electrode is characterized in that an electrode binder used for constituting the catalyst layers contains a cross-linked compound (X) having a silicon-oxygen bond, a polymer material (Y) containing an acid group, and an aqueous dispersion (Z) containing a thermoplastic resin.

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Tsukuba, Japan

Yoshiharu Konno