Nanoscale engineering of solid-state materials for boosting hydrogen storage

Wang, Yunting; Xue, Yudong; Züttel, Andreas

doi:10.1039/d3cs00706e

Cited by 30 publications

(4 citation statements)

References 268 publications

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“…The second layer adsorption energy is akin to the vaporization enthalpy of the adsorbate. Therefore, at pressures and temperatures above the boiling point of the adsorbent, the adsorption process leads to the formation of a relatively stable adsorption layer, with gas molecules adsorbed in a monolayer on the surface of the solid adsorbent [107]. This process involves interactions between the adsorbed molecules and the surface of the solid adsorbent, with van der Waals forces playing a predominant role [103].…”

Section: Mechanism Of Hydrogen Adsorption In Porous Geological Materialsmentioning

confidence: 99%

Hydrogen Adsorption in Porous Geological Materials: A Review

Wang,

Jin,

Huang

et al. 2024

Sustainability

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The paper adopts an interdisciplinary approach to comprehensively review the current knowledge in the field of porous geological materials for hydrogen adsorption. It focuses on detailed analyses of the adsorption characteristics of hydrogen in clay minerals, shale, and coal, considering the effect of factors such as pore structure and competitive adsorption with multiple gases. The fundamental principles underlying physically controlled hydrogen storage mechanisms in these porous matrices are explored. The findings show that the adsorption of hydrogen in clay minerals, shale, and coal is predominantly governed by physical adsorption that follows the Langmuir adsorption equation. The adsorption capacity decreases with increasing temperature and increases with increasing pressure. The presence of carbon dioxide and methane affects the adsorption of hydrogen. Pore characteristics—including specific surface area, micropore volume, and pore size—in clay minerals, shale, and coal are crucial factors that influence the adsorption capacity of hydrogen. Micropores play a significant role, allowing hydrogen molecules to interact with multiple pore walls, leading to increased adsorption enthalpy. This comprehensive review provides insights into the hydrogen storage potential of porous geological materials, laying the groundwork for further research and the development of efficient and sustainable hydrogen storage solutions.

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Section: Mechanism Of Hydrogen Adsorption In Porous Geological Materialsmentioning

confidence: 99%

Hydrogen Adsorption in Porous Geological Materials: A Review

Wang,

Jin,

Huang

et al. 2024

Sustainability

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“…Moreover, the high specific surface area and abundant surface sites of nanomaterials facilitate the adsorption and dissociation of hydrogen molecules, enabling fast hydrogen uptake and release [ 10 ]. The versatile surface chemistry of nanomaterials also allows for the tuning of their hydrogen storage properties through surface modification and functionalization [ 11 , 12 ]. With these advantages, nanomaterials have emerged as a frontier in the research and development of advanced hydrogen storage technologies.…”

Section: Introductionmentioning

confidence: 99%

Advances and Prospects of Nanomaterials for Solid-State Hydrogen Storage

Xu,

Li,

Gao

et al. 2024

Nanomaterials

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Hydrogen energy, known for its high energy density, environmental friendliness, and renewability, stands out as a promising alternative to fossil fuels. However, its broader application is limited by the challenge of efficient and safe storage. In this context, solid-state hydrogen storage using nanomaterials has emerged as a viable solution to the drawbacks of traditional storage methods. This comprehensive review delves into the recent advancements in nanomaterials for solid-state hydrogen storage, elucidating the fundamental principles and mechanisms, highlighting significant material systems, and exploring the strategies of surface and interface engineering alongside catalytic enhancement. We also address the primary challenges and provide future perspectives on the development of nanomaterial-based hydrogen storage technologies. Key discussions include the role of nanomaterial size effects, surface modifications, nanocomposites, and nanocatalysts in optimizing storage performance.

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“…In order to address the energy crisis and mitigate global warming, many countries are focusing on energy conservation and transitioning to a low-carbon economy. − In recent decades, renewable energy sources such as solar energy, wind energy, geothermal energy, tidal energy, and biomass energy have been developed. − In addition, hydrogen energy has attracted significant attention because of its high combustion heat value, clean combustion products, and recyclability. − The proton-exchange membrane fuel cell (PEMFC) is an important technology for using hydrogen energy. Due to its ultralow emissions, high power density, and fast startup, it is considered an ideal alternative to traditional energy sources. , In a PEMFC, the proton-exchange membrane (PEM) serves as a crucial component because it plays a key role in conducting protons, separating the anode and cathode, and preventing electron conduction within the battery. , Currently, the most commonly used PEM is Nafion, which exhibits 10 –2 –10 –1 S cm –1 at 60–80 °C and 98% relative humidity (RH) .…”

mentioning

confidence: 99%

Achieving High Proton Conductivity in MIL-91(Al) Aerogel

Wu,

Jia,

et al. 2024

Inorg. Chem.

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The processability and sustainability of proton conductors are two important indicators of their application. Here, MIL-91(Al) with an intrinsic proton conduction framework originating from protonated phosphonate groups was cross-linked with poly(vinyl alcohol) (PVA) to obtain MIL-91(Al) aerogel through freeze-drying. This simple and inexpensive strategy not only facilitated the processing of MIL-91(Al) powder but also resulted in a molded MIL-91(Al) aerogel having a high proton conductivity of 1.02 × 10 −2 S cm −1 at 70 °C and 100% relative humidity. Furthermore, MIL-91(Al) aerogel was recyclable and reusable, in line with the principles of environmental protection and sustainability. To the best of our knowledge, this is the first example of using a metal−organic framework aerogel as a proton conductor, which may develop a new model system in this field.

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Nanoscale engineering of solid-state materials for boosting hydrogen storage

Abstract: Fine-tuning the nanoworld: paving the way for a sustainable hydrogen future with solid-state hydrogen storage materials.

Cited by 30 publications

References 268 publications

Hydrogen Adsorption in Porous Geological Materials: A Review

Hydrogen Adsorption in Porous Geological Materials: A Review

Advances and Prospects of Nanomaterials for Solid-State Hydrogen Storage

Achieving High Proton Conductivity in MIL-91(Al) Aerogel

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