Application of green hydrogen with theoretical and empirical approaches of alkaline water electrolysis: Life cycle-based techno economic and environmental assessments of renewable urea synthesis

被引：28

作者：

Kim, Heehyang ^{[1
]}

Choe, Changgwon ^{[1
]}

Lee, Aejin ^{[1
]}

Lim, Hankwon ^{[1
,2
,3
]}

机构：

[1] Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, 50 UNIST Gil, Ulsan 44919, South Korea

[2] Ulsan Natl Inst Sci & Technol, Grad Sch Carbon Neutral, 50 UNIST Gil, Ulsan 44919, South Korea

[3] Ulsan Natl Inst Sci & Technol, Carbon Neutral Demonstrat & Res Ctr, 50 UNIST Gil, Ulsan 44919, South Korea

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 43期

基金：

新加坡国家研究基金会;

关键词：

Urea production; Renewable energy; Alkaline water electrolysis; Process simulation; Economic analysis; Life cycle assessment; POWER-TO-GAS; CAPTURE; STORAGE; ENERGY; METHANE;

D O I：

10.1016/j.ijhydene.2023.01.062

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Alkaline water electrolysis which is the most commercialized and mature technology of water electrolysis was researched to improve performance by the Korea Institute of Energy Research (KIER). In line with the trend of energy shift, renewable urea production through hydrogen production from alkaline water electrolysis was proposed in this work. To vali-date the process modeling of renewable urea production and hydrogen performance analysis with I-V curves was assessed. Economic and life cycle assessments were conducted to provide quantitative guidelines for renewable urea production. Absolutely, the influential factor of unit urea production cost was hydrogen from alkaline water electrolysis and environmental assessment results as well. Moreover, the guidelines for renewable urea production were provided through cost estimation and life cycle assess-ment. In summary, hydrogen production from alkaline water electrolysis had a significant impact on urea production and for this reason, research on alkaline water electrolysis should continue for further development.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：16148 / 16158

页数：11

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