Recent Progress on Materials for Hydrogen Generation via Hydrolysis

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

doi:10.15541/jim20200215

Journals >Journal of Inorganic Materials >Volume 36 >Issue 1 >Page 1 > Article

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

Recent Progress on Materials for Hydrogen Generation via Hydrolysis

Jifeng DENG^1、2, Shunpeng CHEN¹, Xiaojuan WU¹, Jie ZHENG¹, and Xingguo LI^1、*

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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DOI: 10.15541/jim20200215 Cite this Article

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 Copy Citation Text

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

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

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Supports for catalysts of NaBH4 hydrolysis[25-26,28-35]

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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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 1.

Fundamental performances of materials for hydrogen generation via hydrolysis

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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 2.

主要制氢材料性能对比

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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

Table 3.

常见水解制氢材料的价格及制氢成本估算

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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