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Universal Platform for Robust Dual-Atom Doped 2D Catalysts with Superior Hydrogen Evolution in Wide pH Media
Small ( IF 13.0 ) Pub Date : 2023-12-28 , DOI: 10.1002/smll.202308672 Laud Anim Adofo 1, 2 , Seon Je Kim 1 , Hyung-Jin Kim 3 , Soo Ho Choi 4 , Su Jin Lee 3 , Yo Seob Won 1 , Balakrishan Kirubasankar 4 , Jae Woo Kim 1 , Chang Seok Oh 1 , Andrew Ben-Smith 1 , Anthonio Enoch Elorm 1 , Hu Young Jeong 5 , Young Hee Lee 4 , Young-Min Kim 1, 4 , Young-Kyu Han 3 , Soo Min Kim 2 , Ki Kang Kim 1, 4
Small ( IF 13.0 ) Pub Date : 2023-12-28 , DOI: 10.1002/smll.202308672 Laud Anim Adofo 1, 2 , Seon Je Kim 1 , Hyung-Jin Kim 3 , Soo Ho Choi 4 , Su Jin Lee 3 , Yo Seob Won 1 , Balakrishan Kirubasankar 4 , Jae Woo Kim 1 , Chang Seok Oh 1 , Andrew Ben-Smith 1 , Anthonio Enoch Elorm 1 , Hu Young Jeong 5 , Young Hee Lee 4 , Young-Min Kim 1, 4 , Young-Kyu Han 3 , Soo Min Kim 2 , Ki Kang Kim 1, 4
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Layered 2D transition metal dichalcogenides (TMDs) have been suggested as efficient substitutes for Pt-group metal electrocatalysts in the hydrogen evolution reaction (HER). However, poor catalytic activities in neutral and alkaline electrolytes considerably hinder their practical applications. Furthermore, the weak adhesion between TMDs and electrodes often impedes long-term durability and thus requires a binder. Here, a universal platform is reported for robust dual-atom doped 2D electrocatalysts with superior HER performance over a wide pH range media. V:Co-ReS2 on a wafer scale is directly grown on oxidized Ti foil by a liquid-phase precursor-assisted approach and subsequently used as highly efficient electrocatalysts. The catalytic performance surpasses that of Pt group metals in a high current regime (≥ 100 mA cm−2) at pH ≥ 7, with a high durability of more than 70 h in all media at 200 mA cm−2. First-principles calculations reveal that V:Co dual doping in ReS2 significantly reduces the water dissociation barrier and simultaneously enables the material to achieve the thermoneutral Gibbs free energy for hydrogen adsorption.
中文翻译：
用于在宽 pH 介质中具有卓越析氢能力的稳健双原子掺杂 2D 催化剂的通用平台
层状二维过渡金属二硫属化物（TMD）被认为是析氢反应（HER）中铂族金属电催化剂的有效替代品。然而，在中性和碱性电解质中较差的催化活性极大地阻碍了它们的实际应用。此外，TMD 和电极之间的粘合力较弱，通常会妨碍长期耐用性，因此需要粘合剂。在此，报道了一个通用平台，用于稳健的双原子掺杂 2D 电催化剂，在广泛的 pH 范围介质上具有卓越的 HER 性能。晶圆级的 V:Co-ReS 2通过液相前驱体辅助方法直接生长在氧化钛箔上，随后用作高效电催化剂。在pH ≥ 7的高电流状态（≥ 100 mA cm -2 ）下，其催化性能超过了Pt族金属，并且在200 mA cm -2的所有介质中具有超过70小时的高耐久性。第一性原理计算表明，ReS 2中的V:Co双重掺杂显着降低了水解离势垒，同时使材料能够实现氢吸附的热中性吉布斯自由能。
更新日期：2023-12-28
中文翻译：
用于在宽 pH 介质中具有卓越析氢能力的稳健双原子掺杂 2D 催化剂的通用平台
层状二维过渡金属二硫属化物（TMD）被认为是析氢反应（HER）中铂族金属电催化剂的有效替代品。然而，在中性和碱性电解质中较差的催化活性极大地阻碍了它们的实际应用。此外，TMD 和电极之间的粘合力较弱，通常会妨碍长期耐用性，因此需要粘合剂。在此，报道了一个通用平台，用于稳健的双原子掺杂 2D 电催化剂，在广泛的 pH 范围介质上具有卓越的 HER 性能。晶圆级的 V:Co-ReS 2通过液相前驱体辅助方法直接生长在氧化钛箔上，随后用作高效电催化剂。在pH ≥ 7的高电流状态（≥ 100 mA cm -2 ）下，其催化性能超过了Pt族金属，并且在200 mA cm -2的所有介质中具有超过70小时的高耐久性。第一性原理计算表明，ReS 2中的V:Co双重掺杂显着降低了水解离势垒，同时使材料能够实现氢吸附的热中性吉布斯自由能。
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