Waste Mg alloys hydrogen production from seawater: An integrative overview of medium optimization, hydrogen-producing materials, underlying mechanisms, innovative technologies, and device development

IF 15.8 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING
Danting Li , Xiaojiang Hou , Duode Zhao , Chenlu Wang , Xinlei Xie , Xiaohui Ye , Guang Yang , Ping Hu , Guangsheng Xu
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Abstract

In response to global carbon neutrality targets, there is an urgent need for large-scale, clean hydrogen production technologies to supplant fossil fuels and underpin the establishment of a ‘hydrogen economy’. The prospect of large-scale on-site green hydrolysis of Mg-based materials for hydrogen production has attracted wide attention. Aiming at the problems of easy formation of inert oxide layer on its surface and the production of Mg(OH)2 to hinder the hydrolysis process, it is urgent to explore efficient, low-cost and green modification strategies. In this work, the green modification strategy for hydrolyzing hydrogen production of Mg-based materials was summarized, and the fast initial kinetics and high hydrogen production rate could be achieved by adjusting hydrolysis medium conditions and modifying Mg-based material. The significance of hydrolytic hydrogen production technology and device development for the realization of Mg-based hydrolytic hydrogen production was evaluated. Meanwhile, this work looks forward to the future direction of hydrogen production modification by hydrolysis of Mg-based alloy, and gradually optimizes the hydrolysis performance of industrial multi-component waste Mg alloy under the premise of green hydrogen production, and proposes the goal of efficient modification of waste Mg alloy, high-quality utilization of seawater, and low-cost and controllable hydrogen production process.

Abstract Image

废镁合金海水制氢:介质优化、制氢材料、基本机制、创新技术和设备开发的综合概述
为实现全球碳中和目标,迫切需要大规模的清洁制氢技术来取代化石燃料,并为建立 "氢经济 "奠定基础。大规模现场绿色水解镁基材料制氢的前景已引起广泛关注。针对镁基材料表面易形成惰性氧化层、产生 Mg(OH)2 阻碍水解过程等问题,探索高效、低成本的绿色改性策略迫在眉睫。本研究总结了镁基材料水解制氢的绿色改性策略,通过调整水解介质条件和改性镁基材料,可实现快速的初始动力学和较高的制氢率。评价了水解制氢技术和装置开发对实现镁基水解制氢的意义。同时,该工作展望了镁基合金水解制氢改性的未来方向,在绿色制氢的前提下,逐步优化工业多组分废镁合金的水解性能,提出了废镁合金高效改性、海水优质利用、制氢工艺低成本可控的目标。
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来源期刊
Journal of Magnesium and Alloys
Journal of Magnesium and Alloys Engineering-Mechanics of Materials
CiteScore
20.20
自引率
14.80%
发文量
52
审稿时长
59 days
期刊介绍: The Journal of Magnesium and Alloys serves as a global platform for both theoretical and experimental studies in magnesium science and engineering. It welcomes submissions investigating various scientific and engineering factors impacting the metallurgy, processing, microstructure, properties, and applications of magnesium and alloys. The journal covers all aspects of magnesium and alloy research, including raw materials, alloy casting, extrusion and deformation, corrosion and surface treatment, joining and machining, simulation and modeling, microstructure evolution and mechanical properties, new alloy development, magnesium-based composites, bio-materials and energy materials, applications, and recycling.
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