CHEMICAL ENGINEERING JOURNAL
·
2023
·
IF 15.1
Yujie Lv,Yifan Jing,Bao Zhang,Yingxue Li,Guanglin Xia,Xuebin Yu,Pengru Huang,Haixiang Huang,Bogu Liu,Jianguang Yuan,Ying Wu
Although Mg(BH 4 ) 2 has been widely studied in the hydrogen storage field for its high hydrogen density, its terrible dehydriding kinetics and cycling features remain impediments to practical applications. Herein, introducing different MXenes (Ti 3 C 2 , Ti 2 C, Nb 2 C) with novel two-dimensional structures as catalysts into Mg(BH 4 ) 2 has been demonstrated to be an efficient approach to boosting the hydrogen storage properties. 30 wt% MXenes in Mg(BH 4 ) 2 causes a considerable reduction in its hydrogen release temperature, remarkable increases in its dehydrogenation rate and capacity, and an enhancement to its reversibility. The Mg(BH 4 ) 2 -30Ti 2 C as the most excellent composite starts to liberate hydrogen from 132 °C, 143 °C lower than that of Mg(BH 4 ) 2 . Furthermore, at 260 °C, the Mg(BH 4 ) 2 -30Ti 2 C composite desorbs 10.2 wt% H 2 , which is much higher than that of Mg(BH 4 ) 2 (1.5 wt%). Theoretical calculations elucidate the weakening of B-H bonds caused by the electron transfer at the Mg(BH 4 ) 2 /MXenes interfaces, and the dehybridization effect between the B and H orbits. X-ray photoelectron spectroscopy (XPS) analyses prove the in-situ formation of multiphase interfaces resulting from the interaction of Mg(BH 4 ) 2 and MXenes during milling and dehydrogenation processes, which could increase electron conduction and facilitate hydrogen diffusion. These factors contribute to the outstanding dehydrogenation properties of Mg(BH 4 ) 2 .
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DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2016
·
IF 3.205
Jiaguang Zheng,Xuezhang Xiao,Liuting Zhang,Yan He,Shouquan Li,Hongwei Ge,Lixin Chen
Mg(BH 4 ) 2 has been considered as one of the promising light metal complex hydrides due to its high hydrogen capacity and low cost. But its higher thermal stability (dehydrogenation at above 300 °C) needs to be improved for the practical application. In this study, the aluminum hydride AlH 3 was introduced into complex borohydride Mg(BH 4 ) 2 to synthesize a new Mg(BH 4 ) 2 AlH 3 composite by ball milling method. It is found that the active Al ∗ formed from the self-decomposition of AlH 3 can effectively improve the dehydrogenation properties of Mg(BH 4 ) 2 , the Mg(BH 4 ) 2 AlH 3 composite starts to release hydrogen at 130.8 °C with a total hydrogen capacity of 11.9 wt.%. The dehydrogenated products of the composite is composed of Mg 2 Al 3 and B at 350 °C, resulting in the improved hydrogen desorption properties of Mg(BH 4 ) 2 AlH 3 composite. The Mg 2 Al 3 and B products would be further transformed into MgAlB 4 and Al at 500 °C. Moreover, the Mg 2 Al 3 and B dehydrogenated products show better reversible hydrogen storage property than that of the MgAlB 4 and Al products. This research shows a way to alter hydrogen de/hydrogenation route and reversibility of Mg(BH 4 ) 2 complex hydride by compositing with AlH 3 and controlling the dehydrogenation temperature.
研究领域:
材料科学
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能源化学
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高影响因子
Small
·
2026
·
IF 11.8
Tao Huang,Zhaotong Hu,Yifei Shao,Xiang Zhang,Caiting Yuan,Zhanning Wu,Takayuki Ichikawa,Fangqin Guo,Tengfei Zhang
Silicon anodes hold great potential for next-generation battery systems due to their significantly higher capacity compared with conventional graphite anodes. However, the low electrochemical potential of lithiated phases in lithium–silicon alloys drives spontaneous electrolyte reduction, resulting in interfacial instability. Herein, a high-performance silicon composite anode assembled with a Li 4 (BH 4 ) 3 I hydride electrolyte is developed. Prelithiation compensates for initial irreversible lithium consumption, while the combination of the Li 22 Si 5 alloy and hydride electrolyte suppresses interfacial degradation, enabling an initial Coulombic efficiency of 99.6%. In silicon–sulfur full cells, the opposite volume changes of the Li 22 Si 5 anode and sulfur cathode dynamically compensate for stress evolution during cycling and maintain intimate interfacial contact and structural integrity, enabling this configuration to deliver an ultra-high areal capacity of 23.88 mAh cm −2 and retain 63.2% of its capacity after 1000 cycles, without observable cracking or structural degradation. These results provide an effective interfacial and structural design strategy for high-performance silicon-based anodes in all-solid-state batteries.
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高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2025
·
IF 8.3
Qingbo Zhang,Zhenxuan Ma,Jiaguang Zheng,Ao Xia,Cong Li,Panpan Zhou
This study presents the synthesis of novel Mg(BH 4 ) 2 @V 2 C, Mg(BH 4 ) 2 @Nb 2 C and Mg(BH 4 ) 2 @Ti 3 C 2 composites using a solution-based nanoconfinement strategy, achieving robust architecture of Mg(BH 4 ) 2 onto Mxene structures. Among these composites, the Mg(BH 4 ) 2 @V 2 C composite exhibited an initial dehydrogenation temperature of 76.4 °C and released 9 wt% hydrogen at 300 °C, which exhibited the optimal hydrogen release behavior. Its two-step dehydrogenation activation energies (104.44 kJ/mol and 118.52 kJ/mol) were significantly lower than those of pure Mg(BH 4 ) 2 , showing improved dehydrogenation kinetics. After four absorption-desorption cycles, the composite could still desorb 4.9 wt% hydrogen, demonstrating excellent cycling stability. Further structural investigations revealed that V 2 C actually acted as a “functionalized” matrix, which improved hydrogen storage through a combination of nanoconfinement and catalytic effects, promoting both hydrogen desorption and absorption. This work provides critical insights for designing high-performance hydrogen storage materials and advances the development of next-generation storage systems.
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DOI
高影响因子
INTERNATIONAL IMMUNOPHARMACOLOGY
·
2024
·
IF 4.8
Jie Du,Xinxin Zhu,Youqi Zhang,Xingtao Huang,Xuedong Wang,Fan Yang,Hongyuan Xia,Jingbo Hou
C1q/TNF-related protein 13 (CTRP13) is a secreted adipokine that has been shown to play an important role in a variety of cardiovascular diseases. However, the effect of CTRP13 on ferroptosis of endothelial cells and its underlying mechanism remain unclear. In the present study, we analyzed the effects of CTRP13 on endothelial dysfunction in high-lipid-induced ApoE −/− mice and ox-LDL-induced mouse aortic endothelial cells (MAECs). In vivo experiment: Male ApoE −/− mice fed high fat were given C1ql3 gene overexpression adeno-associated virus. The atherosclerotic plaque size, lipid content, collagen fiber proportion and iron deposition level were measured. In vitro, CTRP13 combined with ox-LDL was used to pretreat MAECs to detect cell survival rate, lipid peroxidation, iron ion deposition and mitochondrial level. In this study, CTRP13 was found to inhibit ferroptosis of endothelial cells, demonstrated by up-regulated the expression of ferroptosis protective protein glutathione Peroxidase 4 (GPX4), and decreased the expression of acyl-CoA synthetase long-chain family member 4 (ACSL4) protein. Mechanistically, gtp cyclohydrolase 1(GCH1) silencing or tetrahydrobiopterin (BH4) inhibiting may counteract the protective effect of CTRP13 on ox-LDL-induced ferroptosis of endothelial cells, which is characterized by decreased cell activity, mitochondrial damage, increased iron ion deposition and lipid peroxidation, decreased GPX4 expression, and increased ACSL4 expression. This study demonstrated for the first time that CTRP13 can improve mitochondrial oxidative stress, inhibit ferroptosis of endothelial cells and improve endothelial cell dysfunction by activating the GCH1/BH4 signaling pathway, thereby inhibiting the progression of atherosclerosis.
研究领域:
心血管疾病
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细胞生物学
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分子生物学
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病理生理学
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
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2018
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IF 3.779
Zan Jiang,Jianguang Yuan,Huanqing Han,Ying Wu
As an important member of complex hydrides , Mg(BH 4 ) 2 has a high gravimetric capacity (14.9 wt%). In this study, the Mg(BH 4 ) 2 was synthesized by the ion exchange method. Afterwards, the Mg(BH 4 ) 2 composites with different amounts (2, 5, 10, 25 and 50 wt%) of carbon nanotubes (CNTs) were prepared by mechanical milling. Effects of the CNTs on the microstructural evolution and hydrogen storage properties were investigated. The onset desorption temperature of the Mg(BH 4 ) 2 -5 wt% CNTs is decreased to lower temperature around 120 °C from 275 °C. The desorption plateau of Mg(BH 4 ) 2 -5 wt% CNTs is the highest, which ascribes that CNTs causes the reaction pathway change. Additionally, the Mg(BH 4 ) 2 -5 wt% CNTs shows the best dehydriding kinetics properties, and can desorb 6.04 wt% hydrogen within 2000 s at 300 °C. The dehydrogenation activation energy of the Mg(BH 4 ) 2 -5 wt% CNTs is decreased to 130.2 kJ/mol H 2 , which is much lower than that of pure Mg(BH 4 ) 2 .
研究领域:
材料科学
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无机化学
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能源材料
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纳米材料
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固态储氢
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DOI
高影响因子
Journal of Materials Chemistry A
·
2017
·Vol. 5
·期 20
·9723-9732
·
IF 8.867
Jiaguang Zheng,Xuezhang Xiao,Liuting Zhang,Shouquan Li,Hongwei Ge,Lixin Chen
A remarkable improvement in the hydrogen desorption performance of Mg(BH4)2–NaBH4 eutectic composite is achieved by simply ball-milling with fluorographene (FG). It is found that the desorption temperature of Mg(BH4)2–NaBH4 (∼200 °C) is still too high and liquid phase appears during dehydrogenation. Particularly, the novel bowl-like 3D Mg(BH4)2–NaBH4–FG composite can be formed after ball-milling. The novel Mg(BH4)2–NaBH4–FG exhibits a low dehydrogenation temperature of 114.9 °C with 6.9 wt% of pure hydrogen in seconds. In-depth investigations show that such greatly improved hydrogen desorption properties of the Mg(BH4)2–NaBH4–FG composite could be ascribed to both the “novel bowl-like 3D structure” with large specific surface area and the “reactant destabilized modification” owing to the decrease of the reaction enthalpy caused by the formation of NaMgF3. This finding provides a facile preparation of complex borohydride composites with low dehydrogenation temperature and fast rate, which accelerates its practical application in fuel cells.
研究领域:
材料科学
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氢能存储
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纳米技术
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高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2015
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IF 3.313
Liuting Zhang,Jiaguang Zheng,Lixin Chen,Xuezhang Xiao,Teng Qin,Yiqun Jiang,Shouquan Li,Hongwei Ge,Qidong Wang
Mg(BH 4 ) 2 is considered as one of the most promising light metal complex hydrides because of its high volumetric and gravimetric hydrogen capacities and world-wide abundance. However, its higher major desorption temperatures (above 300 °C) and poor reaction kinetics have to be improved for the practical application. Herein, Mg(BH 4 ) 2 was successfully synthesized via wet-chemical technique and a significant enhancement in dehydrogenation performance of Mg(BH 4 ) 2 is achieved by the synergetic effect of fluorographite (FGi) and LiBH 4 . Under the effect of FGi, the hydrogen desorption of 6 Mg(BH 4 ) 2 -4FGi composite could be completed below 170 °C in seconds. However, the hydrogen released from 6 Mg(BH 4 ) 2 -4FGi suffers from impurities of B 2 H 6 and HF. More importantly, it is demonstrated that almost all the B 2 H 6 and HF impurities can be suppressed by synergetic modifying Mg(BH 4 ) 2 with FGi and LiBH 4 . The 3 Mg(BH 4 ) 2 –3LiBH 4 -4FGi composite exhibits a capacity over 8.0 wt% H 2 and starts to release hydrogen at 125.7 °C, which is 143.8 °C and 254.3 °C lower than that of pure Mg(BH 4 ) 2 and LiBH 4 , respectively. These significant improvements could be attributed to both the novel morphology that numerous nano-scale borohydride spots formed on the surface of FGi, and the formations of stable fluorides (MgF 2 and LiF) from the interaction between borohydrides and FGi.
研究领域:
材料科学
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能源化学
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DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Ziqiang Wu,Jinhu Wang,Kaiwen Wang,Zhuoqi Gong,Yihao Hu,Haoran Zhou,Tengyu Chen,Kaiqi Zhao,Lu Xia,Yingtang Zhou,Yao Zhang
Solid electrolytes offer a transformative solution to the safety challenges that have long hindered conventional lithium-ion batteries (LIBs), which rely on organic liquid electrolytes. Among them, hydride-based materials such as LiBH 4 stand out due to their exceptional electrochemical stability and strong compatibility with anode materials. However, their inherently poor ionic conductivity at room temperature (RT, ~10 −8 S cm −1 ) remains a critical bottleneck, primarily attributed to the rigid crystalline framework of hydride structures, which impedes lithium-ion diffusion. In this study, we overcome this limitation by introducing defective hexagonal boron nitride (d-BN) and iodine solutes into a LiBH 4 matrix.(i.e. Li 4 (BH 4 ) 3 I/2(d-BN)) This strategic integration induces structural deformation in the BH 4 tetrahedra, creating optimized pathways for enhanced lithium-ion transport. As a result, the composite achieves an impressive ionic conductivity of 5.9 × 10 −4 S cm −1 at 40 °C and 4.0 × 10 −4 S cm −1 at 25 °C, approaching the conductivity requirement for the commercialization of solid-state electrolyte batteries (10 −3 S cm −1 ), positioning this material among the highest-performing solid hydride electrolytes to date. Mechanistic insights from density functional theory (DFT) and molecular dynamics (MD) simulations revealed that iodine and BN incorporation weakens Li B interactions, extends Li H bond lengths, and reduces the energy barrier for Li-ions migration. In addition, this gain in conductivity is accompanied by a strong cycling performance (The capacity retention rate of the optimized TiS 2 |Li 4 (BH 4 ) 3 I/2d-BN|Li battery exceeds 86 % after 30 charge-discharge cycles at 0.1C). These findings highlight the promise of Li 4 (BH 4 ) 3 I/d-BN composites as efficient solid-state electrolytes for next-generation energy storage applications.
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DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2021
·
IF 13.273
Jiaguang Zheng,Xuancheng Wang,Xuezhang Xiao,Hao Cheng,Liuting Zhang,Lixin Chen
Two dual-cation transition metal fluorides K 2 TiF 6 and K 2 NbF 7 are introduced into Mg(BH 4 ) 2 by ball-milling to catalyze the dehydrogenation of Mg(BH 4 ) 2 . According to the DSC and TPD results, the onset dehydrogenation temperature of Mg(BH 4 ) 2 doped with K 2 TiF 6 and K 2 NbF 7 are remarkably reduced to 105.4 and 118.0 °C, respectively. Meanwhile, both the K 2 TiF 6 and K 2 NbF 7 catalyzed systems can release more than 6.4 wt% H 2 under 280 °C, showing an improvement in dehydrogenation kinetics. In addition, the reversible capacity of the Mg(BH 4 ) 2 –3%K 2 TiF 6 system is 2.7 wt% at 280 °C in 250 min, which is enhanced comparing to that of pristine Mg(BH 4 ) 2 . X-ray diffraction, Fourier-transformed infrared and 11 B nuclear magnetic resonance investigations reveal that the K 2 TiF 6 actually acts as a catalytic precursor to react with Mg(BH 4 ) 2 , forming active hydrides of KBH 4 and TiH 2 , which further serve as catalyzing agents to facilitate the re-generation of Mg(BH 4 ) 2 from intermediates under moderate conditions.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2023
·
IF 6.2
Yujie Lv,Bao Zhang,Haixiang Huang,Xuebin Yu,Tingting Xu,Jinting Chen,Bogu Liu,Jianguang Yuan,Guanglin Xia,Ying Wu
The 0.55LiBH 4 -0.45Mg(BH 4 ) 2 (LMBH) eutectic composite is promising for solid-state hydrogen storage, as it exhibits a high hydrogen capacity and a very low initial dehydrogenation temperature. However, its main hydrogen release steps still require higher temperatures. In the present study, few-layer Ti 2 C has been synthesized and utilized as catalysts in the LMBH. Compositing LMBH with varying amounts of Ti 2 C (10, 20, 30, and 40 wt%) results in low initial dehydrogenation temperatures (164–110 °C), fast desorption rates and high hydrogen capacities (7.5–10.5 wt%) at a low temperature of 260 °C. The LMBH-30Ti 2 C composite yields 6.5 wt% H 2 even at as low as 200 °C. Additionally, the LMBH-30Ti 2 C composite could reversibly store 3.5 wt% H 2 during the second to fourth dehydrogenation cycles without degradation. The outstanding hydrogen storage performance could be attributed to decomposition driven by reactions between high-valence Ti ions and LMBH, the in-situ formation of the active metal Ti catalyst, and the prevention of aggregation in the Ti 2 C-doped LMBH.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2021
·
IF 5.816
Xuancheng Wang,Xuezhang Xiao,Jiaguang Zheng,Zhouming Hang,Wenping Lin,Zhendong Yao,Meng Zhang,Lixin Chen
Magnesium borohydride , Mg(BH 4 ) 2 , is ball-milled with Ti nano-particles. Such catalyzed Mg(BH 4 ) 2 releases more hydrogen than pristine Mg(BH 4 ) 2 does during isothermal dehydrogenation at 270, 280, and 290 °C. The catalyzed Mg(BH 4 ) 2 also exhibits better dehydrogenation kinetics than the pristine Mg(BH 4 ) 2 . Based on kinetics model fitting, the activation energy ( E a ) of the catalyzed Mg(BH 4 ) 2 is calculated to be lower than pristine Mg(BH 4 ) 2 . During partial dehydrogenation , the catalyzed Mg(BH 4 ) 2 releases 4.23 wt % (wt%) H 2 for the second dehydrogenation at 270 °C, comparing to 4.05, and 3.75 wt% H 2 at 280, and 290 °C. The reversibility of 4.23 wt% capacity is also one of the highest for Mg(BH 4 ) 2 dehydrogenation under mild conditions such as 270 °C as reported. 4 cycles of Mg(BH 4 ) 2 dehydrogenation are conducted at 270 °C. The capacities degrade during 4 cycles and tend to be stable at about 3.0 wt% for the last two cycles. By analyzing the hydrogen de/absorption products of the catalyzed sample, Mg(BH 4 ) 2 is found to be regenerated after rehydrogenation according to Fourier Transform Infrared (FTIR) spectroscopy. Ti nano-particles can react with Mg(BH 4 ) 2 during ball-milling and de/rehydrogenation. The products include TiH 1.924 , TiB, and TiB 2 , which can improve the dehydrogenation properties of Mg(BH 4 ) 2 from a multiple aspect.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
危险品化学品经营许可证（带存储）