exchange current densityとは 意味・読み方・使い方

To provide a cation-exchange membrane excellent in durability, having a high limiting current density, and low direct-current membrane resistance, and excellent in monovalent selectivity.例文帳に追加

耐久性に優れ、限界電流密度が高く、かつ直流膜抵抗の低い一価選択性に優れた陽イオン交換膜の提供。 - 特許庁

To excellently circulate an electrolyte in the electrode compartment of a large-sized aqueous alkali metal salt solution electrolytic cell of the ion- exchange membrane process and to maintain the current density in long-period electrolysis and the service life of the ion-exchange membrane.例文帳に追加

大型のイオン交換膜法アルカリ金属塩水溶液電解槽の電極室内電解液の内部循環を良好にし、長期間の電解における電流効率の維持とイオン交換膜寿命の維持を図る - 特許庁

To provide a monovalent cation selectively permeable cation exchange membrane to which the durability and selectivity of the monovalent cation selectively permeable property are imparted to control degrees for the increase of direct electric current resistance and the decrease of limiting electric current density.例文帳に追加

一価陽イオン選択透過性の耐久性、ならびに選択性付与による直流抵抗の増加および限界電流密度の低下の度合を抑制した、一価陽イオン選択透過性陽イオン交換膜の提供。 - 特許庁

The membrane-electrode assembly, provided with electrode catalyst made up with the use of a base metal complex, has an exchange current density of 5.0×10^-14Acm^-2 or more as obtained from a Tafel plot concerning current density and voltage, and that, a Tafel gradient of 450 mV/decade or less.例文帳に追加

卑金属錯体を用いてなる電極触媒を有する膜−電極接合体であって、電流密度と電圧に関するターフェルプロットから得られる交換電流密度ｉ_0が５．０×１０^-4Ａｃｍ^-2以上であり、かつ、ターフェル勾配が４５０ｍＶ／ｄｅｃａｄｅ以下である膜−電極接合体。 - 特許庁

The product of a catalyst surface area per catalyst coating area of an anode catalyst layer 32 of a fuel cell stack and oxygen reduction exchange current density is set to a first prescribed value or less.例文帳に追加

燃料電池スタックのアノード触媒層３２の単位触媒塗布面積あたりの触媒表面積と、前記アノード触媒層３２の触媒の酸素還元交換電流密度との積を第１の所定値以下とする。 - 特許庁

The metal plating film 102 is composed of a metal which, compared to iron, shows a lower bonding energy to hydrogen and a smaller exchange current density of a chemical reaction through which hydrogen ions at the surface are converted into hydrogen molecules.例文帳に追加

ここで、金属めっき膜１０２は、鉄よりも水素との結合エネルギーが小さく、表面における水素イオンが水素分子になる化学反応の交換電流密度が鉄より小さい金属から構成されている。 - 特許庁

To provide an electrode for generating hydrogen which is used for an electrochemical process and is an electrode for generating hydrogen in a process such as hydrogen generation in alkaline or acidic aqueous solution, industrial electrolysis such as pure water electrolysis using an ion exchange membrane or a process for a hydrogen absorbent and can be used even in zero gap in an electrolytic cell using large current density and has an inexpensive novel metal catalyst.例文帳に追加

電気化学プロセスに用いる水素発生用電極に関し、アルカリ、酸性水溶液での水素発生、イオン交換膜を用いた純水電解などの工業電解、水素吸収材などのプロセスにおける水素発生用電極であり、大電流密度での電解槽にもゼロギャップでも使用可能であり、かつ安価な貴金属触媒を有する活性化水素発生用陰極を提供する。 - 特許庁