電解水是一種利用電能將水分解為氫氣與氧氣的技術,其過程包含陰極的析氫反應(HER)與陽極的析氧反應(OER)。電解水被視為生產高純度綠色氫能的關鍵途徑,不僅過程無碳排放,還能有效結合太陽能或風能等間歇性再生能源,將多餘電能轉化為化學能儲存,是實現未來氫能經濟與淨零碳排目標的核心技術。本實驗室致力於開發高效、低成本的非貴金屬與低貴金屬水電解觸媒。近期的重大突破包含:利用脈衝電沉積技術在鈦網上合成「花椰菜狀 NiMoP 奈米球」,在嚴苛的鹼性海水中展現極低的析氫過電位(10 mA cm⁻² 下僅需 50.3 mV),並具備優異抗氯離子腐蝕性;開發「藤壺狀 NiCuP 多孔觸媒」,大幅提升析氧活性與全電池穩定性;更首創合成具「原子級分散的銥單原子觸媒(Ru–O/N–C–NH₃)」,其析氧質量活性高達商用氧化銥的近千倍。此外,我們提出「表面重構」策略,在鎳接枝的二氧化鈦奈米管上生成高活性的 Ni(OH)₂/NiOOH 異質介面,成功解決海水電解面臨的耐久性難題。

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📄 Highly durable and efficient hydrogen production from alkaline seawater using pulse-deposited NiMoP nanosphere electrocatalysts

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📄 Electrodeposited barnacle-like phosphorized nickel–copper porous catalysts for oxygen evolution reaction

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Hamed Cheshideh, Guan-Cheng Chen, Hsin-Chih Huang, Chen-Hao Wang* · Materials Today Sustainability, 26 (2024) 100695

📄 Novel ruthenium-based catalysts with atomic dispersion for oxygen evolution reaction in water electrolysis

Kuo-Wei Liao, Hsueh-Yu Chen, Wen-Hui Wei, Guan-Cheng Chen, Ichiro Yamanaka, Bo-Tau Liu, Ting-Fu Hong, Tai-Chin Chiang, Hsin-Chih Huang**, Chen-Hao Wang* · Materials Today Chemistry 35 (2024) 101857

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