Graphene-Based Assemblies for Moist-Electric Generation

Qing, Chen; Zhao, Jian; Cheng, Huhu

doi:10.3389/fenrg.2021.738142

Cited by 8 publications

(1 citation statement)

References 106 publications

(87 reference statements)

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“…The past decade has also witnessed the entire development process of research activities in harvesting energy from moisture–solid interfaces by using different functional materials, , such as graphene-based materials with asymmetric functional group concentration, ,,− carbon black nanoparticles, , biofibers, , polymers, − and so on.…”

Section: Electricity Generation From Moisture–solid Interfacesmentioning

confidence: 99%

Advances and Challenges for Hydrovoltaic Intelligence

2023

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In recent years, excessive exploitation and rapid population growth have posed numerous challenges. The climate crisis is deepening because of the unabated use of fossil fuels and the ascendance of greenhouse gas levels, so there is still an urgent need to seek different clean energy sources and electricity generating methods with the purpose of adjusting energy structures and solving environmental problems. In the ubiquitous hydrologic cycle, at least 60 petawatts (1015 W) energy can be supplied, but little of it has yet been utilized. Nowadays, hydrovoltaic intelligence has emerged and exhibited an ecofriendly concept of electricity generation compared with traditional methods with the rise of nanoscience and nanomaterials. Hence, it provides the prospect of upgrading the mode of water energy use, constructing a renewable energy industry, and alleviating environmental issues. In this review, starting by introducing different types of hydrovoltaic effect mechanismsenergy harvesting based on drawing potential of liquids; energy harvesting based on water evaporation, and energy harvesting based on moisture adsorptionwe summarize the fabrication processes, material classifications, intelligent applications, and representative advances in detail. Moreover, the future development trends of hydrovoltaic intelligence and the challenges for improvement in electrical output are further discussed.

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Section: Electricity Generation From Moisture–solid Interfacesmentioning

confidence: 99%

Advances and Challenges for Hydrovoltaic Intelligence

2023

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Moisture‐Enabled Electricity from Hygroscopic Materials: A New Type of Clean Energy

Ding

Cheng

et al. 2023

Advanced Materials

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Water utilization is accompanied with the development of human beings, whereas gaseous moisture is usually regarded as an underexploited resource. The advances of highly efficient hygroscopic materials endow atmospheric water harvesting as an intriguing solution to convert moisture into clean water. The discovery of hygroelectricity, which refers to the charge buildup at a material surface dependent on humidity, and the following moisture‐enabled electric generation (MEG) realizes energy conversion and directly outputs electricity. Much progress has been made since then to optimize MEG performance, pushing forward the applications of MEG into a practical level. Herein, the evolvement and development of MEG are systematically summarized in a chronological order. The optimization strategies of MEG are discussed and comprehensively evaluated. Then, the latest applications of MEG are presented, including high‐performance powering units and self‐powered devices. In the end, a perspective on the future development of MEG is given for inspiring more researchers into this promising area.

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Laser‐Induced Graphene Toward Flexible Energy Harvesting and Storage Electronics

Yang,

Yu,

Zhang

et al. 2024

Adv Materials Technologies

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Energy harvesting and storage devices play an increasingly important role in the field of flexible electronics. Laser‐induced graphene (LIG) with hierarchical porosity, large specific surface area, high electrical conductivity, and mechanical flexibility is an ideal candidate for fabricating flexible energy devices which supply power for other electronic components. Through a simple laser irradiation process with designable routes, abundant precursors (or substrates) rapidly transform into patterned LIG without any other treatments. The structure and physicochemical properties of LIG can be regulated by controlling the processing strategies and parameters, enabling the optimization of device performance. The laser scribing method, as a non‐contact and in situ technique, proves to be efficient in integrating different LIG‐based devices, resulting in all‐in‐one flexible power platforms. Here, a systematic summary of recent advancements in LIG‐based flexible energy electronics is presented. The controllable synthesis of LIG, functional LIG, and 3D architectures are described by elucidating corresponding mechanisms and processing strategies. An overall review of flexible energy conversion and storage devices based on LIG is presented. Eventually, the challenges and opportunities of LIG‐based materials in flexible energy conversion and storage are briefly discussed.

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Graphene-Based Assemblies for Moist-Electric Generation

Cited by 8 publications

References 106 publications

Advances and Challenges for Hydrovoltaic Intelligence

Advances and Challenges for Hydrovoltaic Intelligence

Moisture‐Enabled Electricity from Hygroscopic Materials: A New Type of Clean Energy

Laser‐Induced Graphene Toward Flexible Energy Harvesting and Storage Electronics

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