Core Viewpoint - The article discusses the advancements and developments in Anion Exchange Membrane (AEM) electrolysis technology for hydrogen production, emphasizing the importance of catalysts in enhancing efficiency, reducing costs, and promoting commercialization [3][4][6]. Group 1: AEM Electrolysis Technology - AEM electrolysis technology requires catalysts that can operate in alkaline environments, focusing on both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) [3]. - The efficiency of AEM hydrogen production is significantly influenced by the catalyst's ability to lower activation energy, reduce overpotential, and enhance stability [3]. Group 2: Catalyst Types and Developments - Catalysts for AEM electrolysis can be categorized into precious metal and non-precious metal catalysts, with platinum (Pt) being the most effective but costly for HER [4]. - Non-precious metal catalysts, such as NiFe and Co-based catalysts, are crucial for reducing costs and improving the commercial viability of AEM electrolysis [4][5]. Group 3: Company Innovations - Future Hydrogen has developed patented non-precious metal AEM catalysts with significant performance metrics, including a low overpotential of 70mV at 200 mA/cm² [6]. - Junna Technology launched the JE series AEM electrodes, achieving high performance with a current density of over 3.0 A/cm² at 2V [7]. - Stable Hydrogen has innovated a high-efficiency single-atom Pt/MXene catalyst, significantly reducing precious metal usage while enhancing hydrogen evolution efficiency [8]. Group 4: Market Players and Collaborations - Wenjing Energy collaborates with Shanghai Jiao Tong University to develop AEM electrolyzers and has established production capabilities for various types of electrolyzers [9][10]. - Hydrogen Luan Technology showcased a 200kW AEM water electrolysis system, utilizing advanced techniques to produce catalysts without precious metals [11]. - Jiping New Energy focuses on optimizing platinum-nickel alloy catalysts, demonstrating excellent performance stability over extended operation [13]. Group 5: Future Prospects - Companies like Daqing Group and HeFan Hydrogen Energy are actively investing in AEM technology, with plans for large-scale production and innovative catalyst development [17][18].

• 原理：高温焚烧去除有机载体，使铂金属颗粒富集。 • 流程：预处理→高温焙烧（800-1200℃）→酸浸提纯。 • 优势：处理量大，适合低品位废料。 • 痛点：能耗高，铂损失率可达5%-10%。 2. 湿法冶金：化学家的精密手术 • 王水溶解法：用"硝酸+盐酸"溶解铂，回收率可达98%以上，但需处理剧毒废液。 • 选择性沉淀法：通过控制pH值使铂离子定向析出，环保性更优。 • 离子交换法：利用树脂吸附铂离子，适合处理低浓度溶液。 3. 生物冶金：21世纪的炼金术 某些微生物能"吃掉"有机载体，同时将铂离子还原为金属颗粒。日本某团队已实现用细菌在常温下回收 铂，能耗降低90%，但工业化仍面临效率瓶颈。 在化工、医药、新能源等领域，铂碳催化剂是名副其实的"工业贵族"。这种以活性炭为载体、负载铂金属 的纳米材料，凭借其卓越的催化性能，每年驱动着数万亿的化学反应。然而，当催化剂因活性衰减退役 时，一场关于贵金属的"绿色重生"战役才刚刚开始。 一、铂碳催化剂：工业血液的二次生命 铂碳催化剂的回收价值，源于其"贵族基因"：每克铂金属市场价超200元，而催化剂中铂含量通常在 3%-20%之间。以年处理100公斤废催化剂为 ...