{"id":893,"date":"2026-10-14T10:00:00","date_gmt":"2026-10-14T01:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=893"},"modified":"2026-10-14T02:31:56","modified_gmt":"2026-10-13T17:31:56","slug":"qs-research-pem-iridium-core-shell-20261014","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=893","title":{"rendered":"PEM\u6c34\u96fb\u89e3\u306e\u30a4\u30ea\u30b8\u30a6\u30e0\u3092\u6e1b\u3089\u3059\u3001TiO\u2082@IrO\u2093\u89e6\u5a92\u3068\u96fb\u6975\u306e\u539a\u307f"},"content":{"rendered":"<p>\u6c34\u7d20\u3092\u3064\u304f\u308bPEM\u6c34\u96fb\u89e3\u3067\u306f\u3001\u9178\u7d20\u304c\u767a\u751f\u3059\u308b\u5074\u306e\u96fb\u6975\u306b\u30a4\u30ea\u30b8\u30a6\u30e0\u7cfb\u306e\u89e6\u5a92\u3092\u4f7f\u3044\u307e\u3059\u3002\u5e0c\u5c11\u306a\u91d1\u5c5e\u3092\u6e1b\u3089\u305b\u308c\u3070\u8a2d\u5099\u3092\u5e83\u3052\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u89e6\u5a92\u3092\u8584\u304f\u5857\u308b\u3060\u3051\u3067\u306f\u3001\u96fb\u6c17\u306e\u901a\u308a\u9053\u307e\u3067\u9014\u5207\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u6e1b\u3089\u3057\u305f\u3044\u306e\u306f\u91d1\u5c5e\u306e\u91cf\u3067\u3042\u3063\u3066\u3001\u96fb\u6975\u3068\u3057\u3066\u50cd\u304f\u5834\u6240\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e6\u30fc\u30ea\u30d2\u7814\u7a76\u30bb\u30f3\u30bf\u30fc\u3001\u30a8\u30a2\u30e9\u30f3\u30b2\u30f3\u30fb\u30cb\u30e5\u30eb\u30f3\u30d9\u30eb\u30af\u5927\u5b66\u306a\u3069\u306eDarius Hoffmeister\u6c0f\u3001Selina Finger\u6c0f\u3089\u304c2024\u5e74\u306b\u5831\u544a\u3057\u305f\u306e\u306f\u3001\u9178\u5316\u30c1\u30bf\u30f3\u306e\u7c92\u5b50\u3092\u8584\u3044\u30a4\u30ea\u30b8\u30a6\u30e0\u9178\u5316\u7269\u306e\u5c64\u3067\u8986\u3046\u300cTiO\u2082@IrO\u2093\u30b3\u30a2\u30b7\u30a7\u30eb\u89e6\u5a92\u300d\u3067\u3059\u3002\u5c11\u306a\u3044\u30a4\u30ea\u30b8\u30a6\u30e0\u3067\u3082\u96fb\u6975\u306e\u539a\u307f\u3092\u78ba\u4fdd\u3059\u308b\u8a2d\u8a08\u3092\u3001\u6750\u6599\u5358\u4f53\u306e\u8a66\u9a13\u30685 cm\u00b2\u306e\u96fb\u89e3\u30bb\u30eb\u306e\u4e21\u65b9\u3067\u78ba\u304b\u3081\u3066\u3044\u307e\u3059\u3002<sup class=\"source-note\"><a href=\"#ref-1\">[1]<\/a><\/sup><\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>TiO\u2082\u306e\u82af\u3092\u8584\u3044IrO\u2093\u306e\u6bbb\u3067\u8986\u3044\u3001\u30a4\u30ea\u30b8\u30a6\u30e0\u3092\u6e1b\u3089\u3057\u306a\u304c\u3089\u3001\u89e6\u5a92\u7c92\u5b50\u306e\u96fb\u6c17\u7684\u306a\u3064\u306a\u304c\u308a\u3068\u96fb\u6975\u306e\u539a\u307f\u3092\u4fdd\u3064\u8a2d\u8a08\u3067\u3059\u3002<\/li>\n<li>80\u2103\u30fb\u5e38\u5727\u306e5 cm\u00b2\u30bb\u30eb\u3067\u306f\u3001Ir\u91cf0.22 mg\/cm\u00b2\u306e\u8a66\u6599\u304c\u30010.30 mg\/cm\u00b2\u306e\u5e02\u8ca9\u5bfe\u7167\u3088\u308a2 A\/cm\u00b2\u306750 mV\u4f4e\u3044\u30bb\u30eb\u96fb\u5727\u3092\u793a\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>200\u6642\u9593\u306e\u30bb\u30eb\u8a66\u9a13\u3067\u306f\u5e02\u8ca9\u5bfe\u7167\u3088\u308a\u52a3\u5316\u304c\u901f\u304f\u3001\u521d\u671f\u6027\u80fd\u306e\u6539\u5584\u3068\u9577\u671f\u8010\u4e45\u6027\u306e\u9054\u6210\u306f\u5206\u3051\u3066\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u30a4\u30ea\u30b8\u30a6\u30e0\u306e\u300c\u5272\u5408\u300d\u3068\u300c\u96fb\u6975\u306b\u8f09\u305b\u308b\u91cf\u300d\u306f\u9055\u3046<\/h2>\n<p>PEM\u306f\u30d7\u30ed\u30c8\u30f3\u4ea4\u63db\u819c\u306e\u3053\u3068\u3067\u3059\u3002\u6c34\u3092\u5206\u89e3\u3057\u3066\u6c34\u7d20\u3092\u5f97\u308b\u30bb\u30eb\u306e\u4e2d\u3067\u3001\u3053\u306e\u819c\u304c\u6c34\u7d20\u30a4\u30aa\u30f3\u3092\u901a\u3057\u307e\u3059\u3002\u9178\u7d20\u3092\u3064\u304f\u308b\u967d\u6975\u3067\u306f\u3001\u9178\u6027\u3067\u9ad8\u3044\u96fb\u4f4d\u3068\u3044\u3046\u53b3\u3057\u3044\u74b0\u5883\u306b\u8010\u3048\u306a\u304c\u3089\u53cd\u5fdc\u3092\u9032\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30a4\u30ea\u30b8\u30a6\u30e0\u7cfb\u306e\u6750\u6599\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u8ad6\u6587\u306e\u300cIr 40 wt.%\u300d\u306f\u3001\u89e6\u5a92\u7c89\u672b\u306e\u8cea\u91cf\u306b\u5360\u3081\u308b\u30a4\u30ea\u30b8\u30a6\u30e0\u306e\u5272\u5408\u3067\u3059\u3002\u4e00\u65b9\u3001\u300c0.22 mgIr\/cm\u00b2\u300d\u306f\u3001\u96fb\u6975\u306e\u9762\u7a4d1 cm\u00b2\u3042\u305f\u308a\u306b\u8f09\u305b\u305f\u30a4\u30ea\u30b8\u30a6\u30e0\u306e\u91cf\u3092\u8868\u3057\u307e\u3059\u3002\u7c89\u672b\u306e\u7d44\u6210\u3092\u6bd4\u3079\u308b\u6570\u5b57\u3068\u3001\u30bb\u30eb\u306b\u4f7f\u3046\u91d1\u5c5e\u91cf\u3092\u6bd4\u3079\u308b\u6570\u5b57\u306a\u306e\u3067\u3001\u540c\u3058\u3082\u306e\u3068\u3057\u3066\u6271\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u4eca\u56de\u306e\u89e6\u5a92\u306f\u3001\u6bd4\u8f03\u5bfe\u8c61\u306eUmicore\u88fdIrO\u2082\/TiO\u2082\u89e6\u5a92\u300cElyst Ir75 0480\u300d\u306e\u7d0475 wt.%\u306b\u5bfe\u3057\u3001\u7d0440 wt.%\u306eIr\u3092\u542b\u307f\u307e\u3059\u3002\u6b8b\u308a\u306e\u591a\u304f\u3092\u9178\u5316\u30c1\u30bf\u30f3\u306e\u82af\u304c\u62c5\u3046\u305f\u3081\u3001\u540c\u3058Ir\u91cf\u3067\u3082\u3001\u89e6\u5a92\u5c64\u3092\u3088\u308a\u539a\u304f\u3064\u304f\u308c\u308b\u306e\u304c\u72d9\u3044\u3067\u3059\u3002<\/p>\n<h2>\u8584\u3044\u6bbb\u3067\u96fb\u6c17\u3092\u3064\u306a\u304e\u3001\u539a\u307f\u3067\u65ad\u7d76\u3092\u907f\u3051\u308b<\/h2>\n<p>\u9178\u5316\u30c1\u30bf\u30f3\u306f\u3053\u306e\u7528\u9014\u3067\u306f\u96fb\u6c17\u3092\u901a\u3057\u306b\u304f\u3044\u6750\u6599\u3067\u3059\u3002\u82af\u306e\u8868\u9762\u306b\u53cd\u5fdc\u3059\u308b\u7c92\u5b50\u3092\u70b9\u3005\u3068\u7f6e\u3044\u3066\u3082\u3001\u305d\u308c\u305e\u308c\u304c\u96fb\u6c17\u7684\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u96fb\u6975\u5168\u4f53\u3092\u5341\u5206\u306b\u4f7f\u3048\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u3001\u5149\u6790\u51fa\u3001\u30a4\u30bd\u30d7\u30ed\u30d1\u30ce\u30fc\u30eb\u306b\u3088\u308b\u9084\u5143\u3001\u71b1\u51e6\u7406\u3068\u3044\u30463\u6bb5\u968e\u3067\u3001\u7c92\u5b50\u8868\u9762\u306b\u9023\u7d9a\u3057\u305fIrO\u2093\u306e\u6bbb\u3092\u5f62\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6bbb\u306e\u539a\u3055\u306f\u96fb\u5b50\u9855\u5fae\u93e1\u30672.1\u00b10.4 nm\u3002\u8868\u9762\u306b\u306f\u3055\u3089\u306bIr\u3092\u542b\u3080\u30ca\u30ce\u7c92\u5b50\u304c\u3042\u308a\u307e\u3059\u3002\u6bbb\u306f\u53cd\u5fdc\u306b\u95a2\u308f\u308b\u8868\u9762\u3067\u3042\u308b\u3068\u3068\u3082\u306b\u3001\u7c92\u5b50\u9593\u3078\u96fb\u6c17\u3092\u3064\u306a\u3050\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7d50\u6676\u6027\u3084\u9178\u5316\u72b6\u614b\u306f\u4e00\u69d8\u3067\u306f\u306a\u304f\u3001\u3059\u3079\u3066\u304c\u5b8c\u5168\u306b\u9178\u5316\u3057\u305fIrO\u2082\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u96fb\u6975\u306e\u539a\u3055\u3092Ir\u306e\u62c5\u6301\u91cf\u3067\u5272\u3063\u305f\u300c\u539a\u307f\u4fc2\u6570\u300d\u306f\u3001\u8a66\u6599\u306710.9\u00b11.1\u3001Umicore\u306e\u5bfe\u7167\u30673.9\u00b10.8 \u00b5m\/(mgIr\/cm\u00b2)\u3067\u3057\u305f\u3002\u540c\u3058Ir\u91cf\u306b\u5bfe\u3057\u3066\u3001\u524d\u8005\u306f\u7d042.8\u500d\u306e\u539a\u307f\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002\u4f4e\u62c5\u6301\u91cf0.22 mgIr\/cm\u00b2\u306a\u3089\u3001\u8ad6\u6587\u304c\u793a\u3059\u8a66\u6599\u306e\u5c64\u539a\u306f\u7d042.4 \u00b5m\u3067\u3059\u3002<\/p>\n<figure class=\"qs-source-figure\">\n<div style=\"max-width:100%;overflow-x:auto;\"><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11321668\/figure\/advs8619-fig-0006\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-research-pem-iridium-core-shell-20261014-source_figure6-9dacf13c1864.png\" alt=\"\u539f\u8ad6\u6587Figure 6\u3002\u5de6\u306bIr\u62c5\u6301\u91cf\u3068\u89e6\u5a92\u5c64\u539a\u3055\u306e\u95a2\u4fc2\u3001\u53f3\u306b\u539a\u3044\u5c64\u3068\u8584\u3044\u5c64\u3067\u4e80\u88c2\u304c\u5165\u3063\u305f\u3068\u304d\u306e\u3064\u306a\u304c\u308a\u306e\u6a21\u5f0f\u56f3\u3002\" width=\"600\" style=\"display:block;width:600px;max-width:none;height:auto;\" loading=\"lazy\"><\/a><\/div><figcaption>\u539f\u8ad6\u6587Figure 6\u3002\u5de6\uff08a\uff09\u306e\u7dd1\u306fTiO\u2082@IrO\u2093\u3001\u7070\u8272\u306f\u5e02\u8ca9\u5bfe\u7167\u3067\u3001\u540c\u3058Ir\u62c5\u6301\u91cf\u3067\u3082\u5f97\u3089\u308c\u308b\u5c64\u539a\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u5404\u65ad\u97625\u70b9\u306e\u5e73\u5747\u3068\u6a19\u6e96\u504f\u5dee\u3092\u793a\u3057\u307e\u3059\u3002\u53f3\uff08b\u3001c\uff09\u306f\u3001\u539a\u307f\u306e\u9055\u3044\u304c\u4e80\u88c2\u306b\u3088\u308b\u5c64\u306e\u65ad\u7d76\u306b\u3069\u3046\u95a2\u308f\u308b\u304b\u3092\u8aac\u660e\u3059\u308b\u6a21\u5f0f\u56f3\u3067\u3059\u3002\u904b\u8ee2\u4e2d\u306e\u4e80\u88c2\u3092\u76f4\u63a5\u64ae\u5f71\u3057\u305f\u56f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>Darius Hoffmeister et al., Advanced Science 11, 2402991 (2024), Figure 6. \u00a9 2024 The Author(s). Wiley-VCH. <a href=\"https:\/\/doi.org\/10.1002\/advs.202402991\">\u539f\u8ad6\u6587<\/a> \/ <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY 4.0<\/a>\u3002JPEG\u304b\u3089PNG\u3078\u5bb9\u5668\u5f62\u5f0f\u306e\u307f\u5909\u63db\u3002\u753b\u7d20\u30fb\u69cb\u56f3\u30fb\u30e9\u30d9\u30eb\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u819c\u3084\u89e6\u5a92\u5c64\u4e2d\u306e\u30a4\u30aa\u30ce\u30de\u30fc\u306f\u3001\u6c34\u3092\u542b\u3080\u3068\u81a8\u3089\u307f\u307e\u3059\u3002\u8584\u3044\u5c64\u306b\u4e80\u88c2\u304c\u3067\u304d\u308b\u3068\u3001\u96c6\u96fb\u90e8\u306b\u3064\u306a\u304c\u3089\u305a\u53cd\u5fdc\u306b\u4f7f\u3048\u306a\u3044\u9818\u57df\u304c\u751f\u3058\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u8457\u8005\u3089\u306f\u3001\u8a66\u6599\u3067\u78ba\u4fdd\u3057\u305f\u539a\u307f\u304c\u3053\u306e\u65ad\u7d76\u3092\u6291\u3048\u3001\u4f4e\u62c5\u6301\u91cf\u3067\u3082\u6027\u80fd\u3092\u4fdd\u3064\u4e00\u56e0\u306b\u306a\u3063\u305f\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u69cb\u9020\u3084\u62b5\u6297\u306e\u6e2c\u5b9a\u3092\u5408\u308f\u305b\u305f\u89e3\u91c8\u3067\u3042\u308a\u3001\u300c\u539a\u3044\u307b\u3069\u3088\u3044\u300d\u3068\u3044\u3046\u7d50\u8ad6\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u539a\u304f\u3057\u3059\u304e\u308b\u3068\u3001\u96fb\u5b50\u3084\u30a4\u30aa\u30f3\u304c\u901a\u308b\u8ddd\u96e2\u304c\u9577\u304f\u306a\u308a\u3001\u62b5\u6297\u3082\u5897\u3048\u307e\u3059\u3002<\/p>\n<h2>\u6750\u6599\u8a66\u9a13\u306e\u597d\u6210\u7e3e\u3060\u3051\u3067\u3001\u30bb\u30eb\u6027\u80fd\u306f\u6c7a\u307e\u3089\u306a\u3044<\/h2>\n<p>\u6750\u6599\u306e\u8a55\u4fa1\u306b\u306f\u3001\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u96fb\u6975\uff08RDE\uff09\u3068\u3044\u3046\u3001\u5c0f\u3055\u306a\u96fb\u6975\u3092\u56de\u8ee2\u3055\u305b\u306a\u304c\u3089\u53cd\u5fdc\u3092\u8abf\u3079\u308b\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u5ba4\u6e29\u3001\u30a2\u30eb\u30b4\u30f3\u3067\u8131\u6c17\u3057\u305f0.1 M\u904e\u5869\u7d20\u9178\u3001Ir\u62c5\u6301\u91cf50 \u00b5g\/cm\u00b2\u306e\u6761\u4ef6\u3067\u3001\u8a66\u6599\u306e\u8cea\u91cf\u6d3b\u6027\u306f233\u00b118 A\/gIr\u3067\u3057\u305f\u3002\u8a55\u4fa1\u96fb\u4f4d\u306f\u53ef\u9006\u6c34\u7d20\u96fb\u6975\uff08RHE\uff09\u3092\u57fa\u6e96\u3068\u3059\u308b1.6 V\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e1.6 V\u306f\u3001\u5b8c\u6210\u3057\u305f\u6c34\u96fb\u89e3\u30bb\u30eb\u306e\u4e21\u7aef\u306b\u304b\u3051\u308b\u96fb\u5727\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305fRDE\u3067\u306f\u8584\u3044\u89e6\u5a92\u5c64\u3092\u5c0e\u96fb\u6027\u306e\u9ad8\u3044\u96fb\u6975\u4e0a\u306b\u7f6e\u304f\u305f\u3081\u3001\u5b9f\u30bb\u30eb\u3067\u91cd\u8981\u306b\u306a\u308b\u5c64\u5185\u306e\u96fb\u6c17\u7684\u306a\u3064\u306a\u304c\u308a\u304c\u3001\u7d50\u679c\u306b\u8868\u308c\u306b\u304f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6750\u6599\u5358\u4f53\u3067\u53cd\u5fdc\u304c\u901f\u3044\u3053\u3068\u3068\u3001\u819c\u30fb\u89e6\u5a92\u5c64\u30fb\u96c6\u96fb\u90e8\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30bb\u30eb\u3067\u4f4e\u3044\u96fb\u5727\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u306f\u3001\u5225\u306e\u78ba\u8a8d\u3067\u3059\u3002<\/p>\n<h2>5 cm\u00b2\u306e\u30bb\u30eb\u3067\u306f\u3001\u3069\u306e\u6761\u4ef6\u3067\u5dee\u304c\u51fa\u305f\u304b<\/h2>\n<p>\u30bb\u30eb\u8a66\u9a13\u3067\u306f\u3001\u819c\u306e\u4e21\u5074\u306b\u89e6\u5a92\u5c64\u3092\u8a2d\u3051\u305f\u89e6\u5a92\u88ab\u8986\u819c\uff08CCM\uff09\u3092\u4f7f\u3044\u3001\u3053\u308c\u3092\u8f38\u9001\u5c64\u306a\u3069\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002\u819c\u96fb\u6975\u63a5\u5408\u4f53\u3092\u542b\u3080\u5358\u30bb\u30eb\u306e\u8a66\u9a13\u3067\u3042\u308a\u3001\u5927\u9762\u7a4d\u306e\u96fb\u6975\u3092\u4f55\u679a\u3082\u7a4d\u3093\u3060\u5b9f\u7528\u30b9\u30bf\u30c3\u30af\u306e\u5b9f\u8a3c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div style=\"width:100%;max-width:720px;margin-left:auto;margin-right:auto;overflow-x:auto;\">\n<table style=\"border-collapse:collapse;min-width:600px;\">\n<caption>\u539f\u8ad6\u6587\u306e\u4f4e\u62c5\u6301\u91cf\u30bb\u30eb\u8a66\u9a13\u306e\u6bd4\u8f03\uff08Figure 7b\u3001Experimental Section\uff09\u3002\u6570\u5024\u306f\u540c\u8ad6\u6587\u5185\u306e\u6bd4\u8f03\u3067\u3059\u3002<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">\u9805\u76ee<\/th>\n<th scope=\"col\">TiO\u2082@IrO\u2093\u8a66\u6599<\/th>\n<th scope=\"col\">Umicore\u5e02\u8ca9\u5bfe\u7167<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">\u967d\u6975\u306eIr\u62c5\u6301\u91cf<\/th>\n<td>0.22\u00b10.01 mgIr\/cm\u00b2<\/td>\n<td>0.30\u00b10.03 mgIr\/cm\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">2 A\/cm\u00b2\u3067\u306e\u30bb\u30eb\u96fb\u5727<\/th>\n<td>1.77 V<\/td>\n<td>1.82 V<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">\u30bb\u30eb\u306e\u6709\u52b9\u9762\u7a4d<\/th>\n<td>5 cm\u00b2<\/td>\n<td>5 cm\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">\u6e29\u5ea6\u30fb\u5727\u529b<\/th>\n<td>80\u2103\u30fb\u5e38\u5727<\/td>\n<td>80\u2103\u30fb\u5e38\u5727<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">\u819c<\/th>\n<td>Nafion NR212\u3001\u7d0451 \u00b5m<\/td>\n<td>\u540c\u5de6<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">\u9670\u6975\u306ePt\u62c5\u6301\u91cf<\/th>\n<td>0.19\u00b10.08 mgPt\/cm\u00b2<\/td>\n<td>\u540c\u5de6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u96fb\u5727\u306f\u9ad8\u5468\u6ce2\u62b5\u6297\uff08HFR\uff09\u306e\u5206\u3092\u5dee\u3057\u5f15\u3044\u3066\u3044\u306a\u3044\u3001\u30bb\u30eb\u5168\u4f53\u306e\u5024\u3067\u3059\u3002\u8a66\u6599\u306f\u3001\u5bfe\u7167\u3088\u308a\u7d0427%\u5c11\u306a\u3044Ir\u3067\u3001\u540c\u3058\u96fb\u6d41\u5bc6\u5ea6\u306e\u3068\u304d\u306b50 mV\u4f4e\u3044\u96fb\u5727\u3092\u793a\u3057\u307e\u3057\u305f\u30025 cm\u00b2\u306e\u9762\u7a4d\u306b\u63db\u7b97\u3059\u308b\u3068\u3001\u967d\u6975\u306b\u4f7f\u3046Ir\u306f\u7d041.1 mg\u3068\u7d041.5 mg\u3067\u3059\u3002\u3044\u305a\u308c\u3082\u63b2\u8f09\u3055\u308c\u305f\u5e73\u5747\u62c5\u6301\u91cf\u304b\u3089\u306e\u8a08\u7b97\u3067\u3001\u88c5\u7f6e\u5168\u4f53\u306e\u8cb4\u91d1\u5c5e\u91cf\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u5171\u901a\u6761\u4ef6\u3068\u3057\u3066\u3001\u967d\u6975\u306b\u306f\u767d\u91d1\u3092\u88ab\u8986\u3057\u305f\u30c1\u30bf\u30f3\u7e4a\u7dad\u306e\u591a\u5b54\u8cea\u8f38\u9001\u5c64\uff08PTL\uff09\u3092\u4f7f\u3044\u3001\u305d\u3053\u306b\u3082\u5e73\u57470.035\u00b10.025 mgPt\/cm\u00b2\u306e\u767d\u91d1\u304c\u3042\u308a\u307e\u3059\u3002\u967d\u6975\u3078\u8131\u30a4\u30aa\u30f3\u6c34\u3092100 mL\/\u5206\u3067\u9001\u308a\u3001\u9670\u6975\u3078\u306f\u6c34\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u767d\u91d1\u3084\u819c\u3001\u8f38\u9001\u5c64\u306e\u6761\u4ef6\u304c\u9055\u3046\u30bb\u30eb\u3078\u3001\u3053\u306e\u96fb\u5727\u5dee\u3092\u305d\u306e\u307e\u307e\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<figure class=\"qs-source-figure\">\n<div style=\"max-width:100%;overflow-x:auto;\"><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11321668\/figure\/advs8619-fig-0007\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-research-pem-iridium-core-shell-20261014-source_figure7-b779b2631785.png\" alt=\"\u539f\u8ad6\u6587Figure 7\u3002\u9ad8\u62c5\u6301\u91cf\u3068\u4f4e\u62c5\u6301\u91cf\u3067\u3001TiO\u2082@IrO\u2093\u8a66\u6599\u3068Umicore\u5bfe\u7167\u306e\u30bb\u30eb\u96fb\u5727\u3001\u9ad8\u5468\u6ce2\u62b5\u6297\u3092\u6bd4\u8f03\u3057\u305f\u30b0\u30e9\u30d5\u3002\" width=\"600\" style=\"display:block;width:600px;max-width:none;height:auto;\" loading=\"lazy\"><\/a><\/div><figcaption>\u539f\u8ad6\u6587Figure 7\u3002\u5de6\uff08a\uff09\u306f\u9ad8\u62c5\u6301\u91cf\u3001\u53f3\uff08b\uff09\u306f\u4f4e\u62c5\u6301\u91cf\u306e\u6bd4\u8f03\u3067\u3059\u3002\u7dd1\u304cTiO\u2082@IrO\u2093\u3001\u7070\u8272\u304c\u5e02\u8ca9\u5bfe\u7167\u3002\u4e0a\u6bb5\u306e\u5857\u308a\u3064\u3076\u3057\u305f\u8a18\u53f7\u306f\u30bb\u30eb\u96fb\u5727\u3001\u767d\u629c\u304d\u306fHFR\u88dc\u6b63\u5f8c\u306e\u5024\u3067\u3001\u4e0b\u6bb5\u306fHFR\u3092\u793a\u3057\u307e\u3059\u3002\u65b0\u54c1\u306eCCM\u3068\u8f38\u9001\u5c64\u3092\u7528\u3044\u305f3\u56de\u306e\u8a66\u9a13\u306e\u5e73\u5747\u3068\u6a19\u6e96\u504f\u5dee\u3092\u8868\u793a\u3002\u62c5\u6301\u91cf\u306e\u00b1\u306f\u6700\u5c0f\u30fb\u6700\u5927\u306e\u305a\u308c\u3067\u3042\u308a\u3001\u96fb\u5727\u306e\u8aa4\u5dee\u68d2\u3068\u306f\u610f\u5473\u304c\u7570\u306a\u308a\u307e\u3059\u3002<br \/>Darius Hoffmeister et al., Advanced Science 11, 2402991 (2024), Figure 7. \u00a9 2024 The Author(s). Wiley-VCH. <a href=\"https:\/\/doi.org\/10.1002\/advs.202402991\">\u539f\u8ad6\u6587<\/a> \/ <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY 4.0<\/a>\u3002JPEG\u304b\u3089PNG\u3078\u5bb9\u5668\u5f62\u5f0f\u306e\u307f\u5909\u63db\u3002\u753b\u7d20\u30fb\u69cb\u56f3\u30fb\u30e9\u30d9\u30eb\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u540c\u3058\u89e6\u5a92\u3067\u3082\u3001Ir\u3092\u591a\u304f\u8f09\u305b\u305f\u7d041.3 mg\/cm\u00b2\u306e\u6761\u4ef6\u3067\u306f\u3001\u8a66\u6599\u306e\u307b\u3046\u304c\u5bfe\u7167\u3088\u308a\u62b5\u6297\u304c\u9ad8\u304f\u3001\u30bb\u30eb\u5168\u4f53\u306e\u6027\u80fd\u306f\u52a3\u308a\u307e\u3057\u305f\u3002\u4f4e\u62c5\u6301\u91cf\u3067\u5f97\u3089\u308c\u305f\u5229\u70b9\u3092\u3001\u9ad8\u62c5\u6301\u91cf\u3084\u5225\u306e\u96fb\u6975\u8a2d\u8a08\u307e\u3067\u4e00\u822c\u5316\u3057\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>\u6e2c\u5b9a\u306f\u96fb\u6d41\u5bc6\u5ea60.01\u301c4 A\/cm\u00b2\u3092\u6bb5\u968e\u7684\u306b\u5909\u3048\u3001\u5404\u70b9\u30925\u5206\u4fdd\u6301\u3057\u3066\u6700\u5f8c\u306e15\u79d2\u3092\u5e73\u5747\u3057\u3066\u3044\u307e\u3059\u3002\u65b0\u54c1\u306eCCM\u30673\u56de\u7e70\u308a\u8fd4\u3057\u305f\u7d50\u679c\u3067\u3059\u3002\u3053\u306e\u77ed\u3044\u6027\u80fd\u6e2c\u5b9a\u3068\u3001\u4e00\u5b9a\u96fb\u6d41\u3067\u9577\u6642\u9593\u52d5\u304b\u3059\u8010\u4e45\u8a66\u9a13\u3082\u5206\u3051\u3066\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>200\u6642\u9593\u306e\u7d50\u679c\u306f\u3001\u8010\u4e45\u6027\u304c\u5b8c\u6210\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u306a\u3044<\/h2>\n<p>\u8ad6\u6587\u306f\u30012 A\/cm\u00b2\u3067200\u6642\u9593\u4fdd\u6301\u3059\u308b\u5358\u30bb\u30eb\u8a66\u9a13\u3082\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002\u8a66\u6599\u306e\u30b3\u30a2\u30b7\u30a7\u30eb\u69cb\u9020\u306f\u8a66\u9a13\u5f8c\u306b\u3082\u89b3\u5bdf\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u30bb\u30eb\u96fb\u5727\u306e\u52a3\u5316\u901f\u5ea6\u306fUmicore\u306e\u5bfe\u7167\u3088\u308a\u9ad8\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u7c92\u5b50\u306e\u5f62\u304c\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u3068\u3001\u96fb\u5727\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u8457\u8005\u3089\u306f\u3001\u8a66\u9a13\u4e2d\u306b\u89e6\u5a92\u304c\u3055\u3089\u306b\u9178\u5316\u3057\u305f\u53ef\u80fd\u6027\u3092\u6319\u3052\u3001\u3088\u308a\u9577\u304f\u8a66\u9a13\u3059\u308c\u3070\u52a3\u5316\u901f\u5ea6\u304c\u4e0b\u304c\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u5bdf\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e88\u6e2c\u3067\u3042\u308a\u3001\u9577\u671f\u9593\u306e\u5b89\u5b9a\u904b\u8ee2\u3092\u793a\u3057\u305f\u5b9f\u6e2c\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u6210\u679c\u306f\u3001\u5c11\u306a\u3044Ir\u3067\u30bb\u30eb\u306e\u521d\u671f\u6027\u80fd\u3092\u5f15\u304d\u4e0a\u3052\u308b\u8a2d\u8a08\u3092\u793a\u3057\u305f\u6bb5\u968e\u3067\u3001\u9577\u5bff\u547d\u3084\u5927\u9762\u7a4d\u5316\u3092\u542b\u3080\u5b9f\u7528\u6761\u4ef6\u306e\u9054\u6210\u3068\u306f\u533a\u5225\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u6b21\u306e\u7814\u7a76\u3092\u6bd4\u3079\u308b\u3068\u304d\u306b\u898b\u308b\u3068\u3053\u308d<\/h2>\n<p>\u4f4e\u30a4\u30ea\u30b8\u30a6\u30e0\u89e6\u5a92\u306e\u5831\u544a\u3092\u8aad\u3080\u3068\u304d\u306f\u3001\u307e\u305a\u7c89\u672b\u4e2d\u306eIr\u306e\u5272\u5408\u3068\u96fb\u6975\u9762\u7a4d\u3042\u305f\u308a\u306e\u91cf\u3092\u5206\u3051\u307e\u3059\u3002\u305d\u306e\u3046\u3048\u3067\u3001\u30bb\u30eb\u9762\u7a4d\u3001\u819c\u3001\u6e29\u5ea6\u3001\u5727\u529b\u3001\u8f38\u9001\u5c64\u306e\u8cb4\u91d1\u5c5e\u88ab\u8986\u3092\u305d\u308d\u3048\u3066\u6bd4\u3079\u308b\u3002\u96fb\u5727\u304c\u62b5\u6297\u88dc\u6b63\u524d\u304b\u88dc\u6b63\u5f8c\u304b\u3001\u77ed\u6642\u9593\u306e\u6027\u80fd\u6e2c\u5b9a\u304b\u9577\u6642\u9593\u306e\u52a3\u5316\u8a66\u9a13\u304b\u3082\u78ba\u8a8d\u3057\u305f\u3044\u70b9\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u8ad6\u6587\u304c\u6559\u3048\u3066\u304f\u308c\u308b\u306e\u306f\u3001\u8cb4\u91d1\u5c5e\u3092\u6e1b\u3089\u3059\u7814\u7a76\u3092\u3001\u6750\u6599\u306e\u53cd\u5fdc\u306e\u901f\u3055\u3060\u3051\u3067\u306f\u8a55\u4fa1\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5c11\u306a\u3044Ir\u3092\u3069\u3053\u306b\u7f6e\u304d\u3001\u96fb\u6975\u306e\u539a\u307f\u3068\u96fb\u6c17\u306e\u901a\u308a\u9053\u3092\u3069\u3046\u4fdd\u3064\u304b\u3002\u305d\u306e\u8a2d\u8a08\u304c\u30bb\u30eb\u3067\u50cd\u304f\u3053\u3068\u3092\u78ba\u304b\u3081\u3001\u3055\u3089\u306b\u52a3\u5316\u307e\u3067\u8ffd\u3046\u3053\u3068\u3067\u3001\u6bd4\u8f03\u3067\u304d\u308b\u6280\u8853\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u53c2\u8003\u8cc7\u6599<\/h2>\n<ol>\n<li id=\"ref-1\">Darius Hoffmeister et al. (2024). <em>Photodeposition-Based Synthesis of TiO\u2082@IrO\u2093 Core\u2013Shell Catalyst for Proton Exchange Membrane Water Electrolysis with Low Iridium Loading<\/em>. Advanced Science, 11(30), 2402991. <a href=\"https:\/\/doi.org\/10.1002\/advs.202402991\">DOI: 10.1002\/advs.202402991<\/a> \/ <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11321668\/\">PMC\u516c\u958b\u5168\u6587\uff08\u88dc\u8db3\u8cc7\u6599\u3078\u306e\u6848\u5185\u3092\u542b\u3080\uff09<\/a>\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u6c34\u7d20\u3092\u3064\u304f\u308bPEM\u6c34\u96fb\u89e3\u3067\u306f\u3001\u9178\u7d20\u304c\u767a\u751f\u3059\u308b\u5074\u306e\u96fb\u6975\u306b\u30a4\u30ea\u30b8\u30a6\u30e0\u7cfb\u306e\u89e6\u5a92\u3092\u4f7f\u3044\u307e\u3059\u3002\u5e0c\u5c11\u306a\u91d1\u5c5e\u3092\u6e1b\u3089\u305b\u308c\u3070\u8a2d\u5099\u3092\u5e83\u3052\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u89e6\u5a92\u3092\u8584\u304f\u5857\u308b\u3060\u3051\u3067\u306f\u3001\u96fb\u6c17\u306e\u901a\u308a\u9053\u307e\u3067\u9014\u5207\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u6e1b\u3089\u3057\u305f\u3044\u306e\u306f\u91d1\u5c5e\u306e\u91cf [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":889,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[33],"tags":[241,240,239],"class_list":["post-893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy-environment","tag-pem-water-electrolysis","tag-iridium","tag-core-shell-catalyst"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-research-pem-iridium-core-shell-20261014-featured-b5495bc53d1f.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=893"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/893\/revisions"}],"predecessor-version":[{"id":894,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/893\/revisions\/894"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/889"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}