An electrolysis device for hydrogen evolution, comprising: a membrane electrode assembly, comprising: a first electrode (11 or 15); a second electrode (15 or 11); and an anion exchange membrane disposed between the first electrode and the second electrode, wherein the first electrode (11 or 15) comprises a first metal mesh (11A or 15A); a first catalyst layer wrapping the first metal mesh; a second metal mesh (11B or 15B); and a second catalyst layer wrapping the second metal mesh, wherein the first metal mesh (11A or 15A) is disposed between the anion exchange membrane and the second metal mesh (11B or 15B), wherein the second metal mesh (11B or 15B) is thicker than the first metal mesh (11A or 15A), the first catalyst layer is thicker than the second catalyst layer, the second catalyst layer is iron, cobalt, manganese, zinc, niobium, molybdenum, ruthenium, platinum, gold, or aluminum, and the second catalyst layer is crystalline, a first current collector; and a second current collector, wherein the membrane electrode assembly is interposed between the first current collector and the second current collector, wherein the first electrode (11 or 15) is disposed between the anion exchange membrane and the first current collector, the second electrode (15 or 11) is disposed between the anion exchange membrane and the second current collector, and the first electrode (11 or 15) and the first current collector have no flow channel layer therebetween. a membrane electrode assembly, comprising: a first electrode (11 or 15); a second electrode (15 or 11); and an anion exchange membrane disposed between the first electrode and the second electrode, wherein the first electrode (11 or 15) comprises a first metal mesh (11A or 15A); a first catalyst layer wrapping the first metal mesh; a second metal mesh (11B or 15B); and a second catalyst layer wrapping the second metal mesh, wherein the first metal mesh (11A or 15A) is disposed between the anion exchange membrane and the second metal mesh (11B or 15B), wherein the second metal mesh (11B or 15B) is thicker than the first metal mesh (11A or 15A), the first catalyst layer is thicker than the second catalyst layer, the second catalyst layer is iron, cobalt, manganese, zinc, niobium, molybdenum, ruthenium, platinum, gold, or aluminum, and the second catalyst layer is crystalline, a first electrode (11 or 15); a second electrode (15 or 11); and an anion exchange membrane disposed between the first electrode and the second electrode, wherein the first electrode (11 or 15) comprises a first metal mesh (11A or 15A); a first catalyst layer wrapping the first metal mesh; a second metal mesh (11B or 15B); and a second catalyst layer wrapping the second metal mesh, wherein the first metal mesh (11A or 15A) is disposed between the anion exchange membrane and the second metal mesh (11B or 15B), wherein the second metal mesh (11B or 15B) is thicker than the first metal mesh (11A or 15A), the first catalyst layer is thicker than the second catalyst layer, the second catalyst layer is iron, cobalt, manganese, zinc, niobium, molybdenum, ruthenium, platinum, gold, or aluminum, and the second catalyst layer is crystalline, a first metal mesh (11A or 15A); a first catalyst layer wrapping the first metal mesh; a second metal mesh (11B or 15B); and a second catalyst layer wrapping the second metal mesh, wherein the first metal mesh (11A or 15A) is disposed between the anion exchange membrane and the second metal mesh (11B or 15B), wherein the second metal mesh (11B or 15B) is thicker than the first metal mesh (11A or 15A), the first catalyst layer is thicker than the second catalyst layer, the second catalyst layer is iron, cobalt, manganese, zinc, niobium, molybdenum, ruthenium, platinum, gold, or aluminum, and the second catalyst layer is crystalline, a first current collector; and a second current collector, wherein the membrane electrode assembly is interposed between the first current collector and the second current collector, wherein the first electrode (11 or 15) is disposed between the anion exchange membrane and the first current collector, the second electrode (15 or 11) is disposed between the anion exchange membrane and the second current collector, and the first electrode (11 or 15) and the first current collector have no flow channel layer therebetween.