Kumbhakar Partha, Parui Arko, Dhakar Shikha, Paliwal Manas, Behera Rakesh, Gautam Abhay Raj Singh, Roy Soumyabrata, Ajayan Pulickel M, Sharma Sudhanshu, Singh Abhishek K, Tiwary Chandra S
Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore 560029, India.
iScience. 2023 Mar 30;26(4):106510. doi: 10.1016/j.isci.2023.106510. eCollection 2023 Apr 21.
Developing materials for controlled hydrogen production through water splitting is one of the most promising ways to meet current energy demand. Here, we demonstrate spontaneous and green production of hydrogen at high evolution rate using gadolinium telluride (GdTe) under ambient conditions. The spent materials can be reused after melting, which regain the original activity of the pristine sample. The phase formation and reusability are supported by the thermodynamics calculations. The theoretical calculation reveals ultralow activation energy for hydrogen production using GdTe caused by charge transfer from Te to Gd. Production of highly pure and instantaneous hydrogen by GdTe could accelerate green and sustainable energy conversion technologies.
开发通过水分解进行可控制氢的材料是满足当前能源需求最有前景的方法之一。在此，我们展示了在环境条件下使用碲化钆（GdTe）以高析出速率自发且绿色地制氢。用过的材料在熔化后可重复使用，恢复到原始样品的活性。相形成和可重复使用性得到了热力学计算的支持。理论计算表明，由于电荷从碲转移到钆，使用GdTe制氢的活化能超低。GdTe生产高纯度和即时性氢气可以加速绿色和可持续能源转换技术的发展。
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