DOI: 10.1016/j.carbon.2025.119995 Corpus ID: 275363955; Highly efficient and stable solar-driven seawater desalination using composite photothermal structures with energy storage
Solar powered steam generation is an emerging area in the field of energy harvest and sustainable technologies. The nano-structured photothermal materials are able to harvest energy from the full solar spectrum and convert it to heat with high efficiency. Moreover, the materials and structures for heat management as well as the mass transportation are also
The major advantages of molten salt thermal energy storage include the medium itself (inexpensive, non-toxic, non-pressurized, non-flammable), the possibility to provide superheated steam up to 550 °C for power generation and large-scale commercially demonstrated storage systems (up to about 4000 MWh th) as well as separated power
Solar thermal energy converts solar light into heat and has been extensively applied for solar desalination and power generation. In the present work, to address the failure problem of energy storage devices in a cold
Solar thermal energy converts solar light into heat and has been extensively applied for solar desalination and power generation. In the present work, to address the failure problem of energy storage devices in a cold environment, solar thermal energy was used to improve flexible supercapacitor performance at low temperature.
The global energy transition requires new technologies for efficiently managing and storing renewable energy. In the early 20th century, Stanford Olshansky discovered the phase change storage properties of paraffin, advancing phase change materials (PCMs) technology [].Photothermal phase change energy storage materials (PTCPCESMs), as a
In response to the country''s “carbon neutrality, peak carbon dioxide emissions” task, this paper constructs an integrated energy system based on clean energy. The system consists of three subsystems: concentrating solar power (CSP), compressed air energy storage (CAES), and absorption refrigeration (AR). Among them, thermal energy storage equipment in the
STHET consists of a photothermal catalytic system and a thermoelectric generator (TEG) system, which can realize hydrogen-electricity co-production and thermal self
The temperature difference between the hot and cold sides of a TEG serves as the driving force behind its inherent Seebeck effect. However, frequent fluctuations in the temperature of the hot side can lead to an unstable thermoelectric conversion process and a rapid decline in performance, thereby constraining its applications .Additionally, instantaneous thermal
Compared with conventional solar-driven water evaporation, interfacial solar steam generation (SSG) systems can produce higher water evaporation rates and efficient energy transformation by concentrating heat on the surface of the water , .To enhance the performance of interfacial SSG systems, features involving superior photothermal conversion capability, efficient thermal
As one of the fastest growing renewable energy sources, photothermal technology has a wide range of application scenarios in various fields, including the supply of hot water , heating systems , industrial production , seawater desalination , air conditioning and refrigeration technologies , and power generation , , .
To address the above issue, integration of energy storage structure into the solar evaporation structure is a promising approach. The excess energy will be stored in an energy storage structure under sufficient light conditions, and then the energy be released under weak or no light conditions to ensure the continuous operation of photothermal evaporation.
Abstract: Photothermal power generation is a kind of grid-friendly new energy generation form. Because of its energy storage function, it plays a very good role in translating new energy
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water evaporation and desalination, photothermal catalysis for H 2 generation
Photothermal energy conversion represents a cornerstone process in the renewable energy technologies domain, enabling the capture of solar irradiance and its subsequent transformation into thermal energy. photothermal desalination, photothermal power generation, among other research and practical endeavors.
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and
In this study, we propose an all-day solar power generator to achieve highly efficient and continuous electricity generation by harnessing the synergistic effects of
In summary, we have proposed a novel strategy to design and construct an STEG device by the use of the high-performance Cu 1.5 Mn 1.5 O 4 spinel-type PTC material to capture and convert solar energy into electrical energy, and subsequently coupling the STEG device and the SC device to achieve electrical energy storage and utilization. The result
Abstract As a type of energy storage device between traditional capacitors and batteries, the supercapacitor has the advantages of energy saving and environmental protection, high power density
Moreover, the generated electrical energy can be stored in commercial energy storage devices. As shown in Fig. 3 g, a 680 uF capacitor can be rapidly charged to 3.5 V by ten DMEG units connected in series, which is sufficient to power LEDs to emit red, yellow, or green light, respectively ( Figs. 3 h, 3i, S22 and Movies S2-S4).
The study expands the application of PCMs on TEG, and promises a new potential application in advanced energy-related devices and systems for solar energy utilization and storage, self-powered
While flexible supercapacitors with high capacitance and energy density is highly desired for outdoor wearable electronics, their application under low-temperature environments, like other energy storage devices, remains an urgent challenge. Solar thermal energy converts solar light into heat and has been extensively applied for solar desalination and power
When exposed to 1 Sun (100 mW/cm 2) solar radiation, the conversion layer quickly generated a temperature gradient of 12.6 K in just 250 s in the PTEG device, which
of photothermal catalysis Chuqiao Song, 1Zhaohua Wang, Zhen Yin,2,* Dequan Xiao,3,*and Ding Ma SUMMARY Solar energy provides an alternative, sustainable, and clean source of energy to meet the global energy demands without extra carbon emissions. However, the utilization efficiency of sunlight via most
Li et al. used a thermal energy storage unit coupled to the system and their results showed that for high overall efficiency, the system configuration and optimization are the most important factors. Performance characteristics of a low concentrated photovoltaic- thermoelectric hybrid power generation device. Int J Therm Sci, 77 (2014), pp
Solar photothermal power generation refers to the use of large-scale array parabolic or dish mirror to collect solar heat energy, through the heat exchange device to provide steam, combined with the traditional turbo
An international research team led by the Universitat Politècnica de Catalunya—BarcelonaTech (UPC) has created a hybrid device that combines, for the first time
Flexible water-evaporation-induced power generation devices with enhanced photothermal evaporation. A substantial body of research has been conducted into a range of small-scale energy conversion devices. Among these, water evaporation-induced power generation devices, as a recently developed technology, have considerable scope for
Flexible MoS 2 /CNF/PEG phase change film with superior photothermal conversion and thermal energy storage. Author links open overlay panel Yubo Liu a b mobile solar power generation equipment and so on Thermoelectric conversion technology is widely regarded as one of the most promising technologies for supplying power to wearable devices.
Here we report a photo-thermo-electrochemical cell (PTEC) that utilizes two high-temperature solid oxide-based cells working at different high temperatures for flexible
The greenhouse acts as a solar thermal energy storage cell, which absorbs infrared solar light and storage as thermal energy with the solar light illumination time, while thermoelectric device (TD
The integration of solar‐driven interfacial evaporation and electricity co‐generation is considered a promising approach to simultaneously alleviate freshwater scarcity and the energy crisis.
Tower-type solar power generation technology has high solar energy conversion rate and great room for improvement in power generation efficiency, so it is widely used in power stations. Photothermal Devices for Sustainable Uses Beyond Desalination Particularly, photothermal energy storage systems that store excess solar energy generated
Photothermal catalytic hydrogen production coupled with thermoelectric waste heat utilization and thermal energy storage for continuous power generation. it''s necessary to take related measures to achieve continuous working in the dark for these devices. Energy storage during daylight and release at night for driving devices was an
Request PDF | Boosting Low-Temperature Resistance of Energy Storage Devices by Photothermal Conversion Effects | While flexible supercapacitors with high capacitance and energy density is highly
Semantic Scholar extracted view of "Photothermal conversion-enhanced thermoelectric generators combined with supercapacitors: An efficacious approach to integrated power generation and storage" by Pengjun Ma et al. engineering of electrodes is critical to achieving high energy density and high power density in electrochemical energy storage
Photothermal conversion is an environmentally friendly process that harvests energy from the sun and has been attracting growing research interest in recent years. However, nanostructured strategies to improve light capture performance deserve further development, and the application of solar heating effects for clean energy needs to be explored. Herein, a
The ability to convert, store and utilize solar energy forms the corner-stone for driving the paradigm shift in the energy transition for sustainable development , .While photovoltaics form the predominant choice for converting photons to electrical energy, they are limited by the narrow spectral window (250–800 nm) , , and Shockley-Queisser limit
Then, the state-of-the-art progress for photothermal conversions of solar energy is introduced in detail, mainly including photothermal water evaporation and desalination, photothermal catalysis, photothermal electric power generation, photothermal bacterial killing, photothermal sensors, and photothermal deicing.
To meet the demands of the global energy transition, photothermal phase change energy storage materials have emerged as an innovative solution. These materials, utilizing various photothermal conversion carriers, can passively store energy and respond to changes in light exposure, thereby enhancing the efficiency of energy systems.
Although photothermal electric power generation can show a solar-to-electricity conversion efficiency exceeding 7% under 38 Sun, its conversion efficiency remains very low under low concentration solar intensity, such as 1 Sun or ambient conditions.
Solar to hydrogen-electricity and thermal storage system (STHET) is proposed. Hydrogen production in STHET is improved by recycling scattered light. Low-grade waste heat is converted into electrical energy by flexible TEGs. STHET can achieve continuous power generation by self-thermal storage capability.
To conclude, photo-thermoelectric power is a promising solar energy conversion technology, but many efforts should be made to improve the solar-to-electricity efficiency, because the efficiency remains still very low based on photo-thermoelectric conversion under AM 1.5 G illumination. [34, 90, 91]
Among all the solar energy conversion technologies, photothermal conversion of solar energy exhibits unique advantages when applied for water purification, desalination, high-temperature heterogeneous catalysis, anti-bacterial treatments, and deicing.
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