<trans-title>Recent Progress on Materials for Hydrogen Generation <i>via</i> Hydrolysis</trans-title>

Jifeng DENG; Shunpeng CHEN; Xiaojuan WU; Jie ZHENG; Xingguo LI

doi:10.15541/jim20200215

Journal of Inorganic Materials, Volume. 36, Issue 1, 1(2021)

Recent Progress on Materials for Hydrogen Generation via Hydrolysis

Jifeng DENG1...2, Shunpeng CHEN1, Xiaojuan WU1, Jie ZHENG1 and Xingguo LI1,* |Show fewer author(s)

Author Affiliations

¹College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China

²Academy of Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China

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Figures & Tables(10)

1. Schemes for the mechanisms of homogeneous (A) and heterogeneous (B) hydrolysis of NaBH₄^[13]

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2. Supports for catalysts of NaBH₄hydrolysis^{[25-26,28-35]}

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3. Arrhenius plot for NH₃·BH₃ hydrolysis catalyzed by Rh/VO₂(A), calculated PDOS of several catalysts/supports (B)^[42]

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4. Relationship between promotion of Mg hydrolysis and affinity to OH^- for different cations^[49]

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5. Scheme of Al hydrolysis mechanism promoted by Hg^[57]

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6. Schemes of MgH₂ hydrolysis mechanisms in H₂O (A) and MgCl₂(aq.) (B)^[60]

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7. TEM (A) and HRTEM (B) images of hydrogenated Mg@Pt composite^[63]

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Table 1.
Fundamental performances of materials for hydrogen generation via hydrolysis

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Table 1.
Fundamental performances of materials for hydrogen generation via hydrolysis

Material	Molar mass/(g·mol^-1)	Density/(g·cm^-3)	∆H^[6]/(kJ·mol^-1_H2)	C_M(H2)*/wt%	C_M(H2)(H₂O)^#/wt%	C_V(H2)^†/(g_H2·L^-1)
NaBH₄	37.83	1.07	-47.15	21.32	7.34	228.09
NH₃·BH₃	30.86	0.78	-75.67	19.50	7.05	151.60
Mg	24.31	1.74	-352.90	8.29	3.34	144.16
Ca	40.08	1.55	-413.60	5.03	2.65	77.97
Al	26.98	2.70	-284.40	11.21	3.73	302.62
LiH	7.95	0.82	-111.20	25.36	7.06	207.97
NaH	24.00	1.40	-83.70	8.40	4.80	117.60
KH	40.02	1.43	-81.10	5.04	3.47	72.04
MgH₂	26.32	1.45	-138.80	15.32	6.47	222.12
CaH₂	42.09	1.70	-116.05	9.58	5.16	162.84
AlH₃	30.00	1.49	-126.87	20.16	7.20	300.34

Table 2.
主要制氢材料性能对比

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Table 2.
主要制氢材料性能对比

Performance	Metal	Metal hydride	Borohydride
Hydrogen capacity of hydrolysis	Low	High	High (affected by dissolution)
Cost	Low	High	High
Complexities of system	Complex	Complex	Relatively simple
Degree of study on hydrolysis	Modest	Rare	Extensive
Storage condition	H₂O & O₂ free	H₂O & O₂ free	H₂O free

Table 3.
常见水解制氢材料的价格及制氢成本估算
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Table 3.
常见水解制氢材料的价格及制氢成本估算
Prices Mg Al MgH₂ LiH NaBH₄ NH₃·BH₃
Price of material /(yuan∙kg^-1) 120 80 800 4300 700 60000
Price of H₂ /(yuan∙kg^-1) 1450 710 5200 16960 3280 307700

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Jifeng DENG, Shunpeng CHEN, Xiaojuan WU, Jie ZHENG, Xingguo LI. Recent Progress on Materials for Hydrogen Generation via Hydrolysis[J]. Journal of Inorganic Materials, 2021, 36(1): 1

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