ELECTRODE HAVING THREE-DIMENSIONALLY RULED SKELETON, WATER ELECTROLYSIS APPARATUS, AND FUEL CELL

• Main Authors: KATO JUN, MITSUSHIMA SHIGENORI, KURODA YOSHIYUKI, NAGASAWA KENSAKU, SANO YOSUKE, OMORI SHINICHI
• Format: Patent
• Language: English; Japanese
• Published: 14.03.2024
• Subjects: APPARATUS THEREFOR; BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CHEMISTRY; ELECTRICITY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide an electrode having a three-dimensionally ruled skeleton low in contact resistance with other members such as a catalyst layer, good in bubble removal, and excellent in electrolytic efficiency.SOLUTION: An electrode having a three-dimensionally ruled skeleton includes: a #-shaped sheet layer 11 having a plurality of penetrated holes in a thickness direction; and a pin structural layer 15 composed of a plurality of pin members 16 provided to stand from the #-shaped sheet layer 11, where the percentage of void of the #-shaped sheet layer 11 is in a range of 20% or more and 70% or less, the percentage of void of the pin structural layer 15 is in a range of 70% or more and 99% or less, the thickness of the #-shaped sheet layer 11 is in a range of 10 μm or more and 500 μm or less, and the thickness of the pin structural layer 15 is in a range of 100 μm or more and 5,000 μm or less.SELECTED DRAWING: Figure 1 【課題】触媒層等の他の部材との接触抵抗が低く、且つ、気泡の抜けが良く、電解効率に優れた３次元規則骨格を有する電極を提供する。【解決手段】厚さ方向に複数の貫通孔を有する井型シート層１１と、この井型シート層１１から立設された複数のピン部材１６によって構成されたピン構造層１５と、を有し、井型シート層１１の空隙率が２０％以上７０％以下の範囲内とされ、ピン構造層１５の空隙率が７０％以上９９％以下の範囲内とされており、井型シート層１１の厚みが１０μｍ以上５００μｍ以下の範囲内とされ、ピン構造層１５の厚みが１００μｍ以上５０００μｍ以下の範囲内とされている。【選択図】図１