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Xiao M, Tao P, Wang Y, Sha W, Wang S, Zeng W, Zhao J, Ruan L. Intricate Ionic Behaviors in High-Performance Self-Powered Hydrothermal Chemical Generator Using Water and Iron (III) Gate. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400477. [PMID: 38402438 DOI: 10.1002/smll.202400477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Indexed: 02/26/2024]
Abstract
Utilizing the ionic flux to generate voltage output has been confirmed as an effective way to meet the requirements of clean energy sources. Different from ionic thermoelectric (i-TE) and hydrovoltaic devices, a new hydrothermal chemical generator is designed by amorphous FeCl3 particles dispersing in MWCNT and unique ferric chloride or water gate. In the presence of gate, the special ion behaviors enable the cell to present a constant voltage of 0.60 V lasting for over 96 h without temperature difference. Combining the differences of cation concentration, humidity and temperature between the right and left side of sample, the maximum short-circuit current and power output can be obtained to 168.46 µA and 28.11 µW, respectively. The generator also can utilize the low-grade heat to produce electricity wherein Seebeck coefficient is 6.79 mV K-1. The emerged hydrothermal chemical generator offers a novel approach to utilize the low-grade heat, water and salt solution resources, which provides a simple, sustainable and low-cost strategy to realize energy supply.
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Affiliation(s)
- Ming Xiao
- School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Panmeng Tao
- School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Yuqin Wang
- School of Advanced Manufacturing Engineering, Hefei University, Hefei, 230601, P. R. China
| | - Wenqi Sha
- School of Advanced Manufacturing Engineering, Hefei University, Hefei, 230601, P. R. China
| | - Siliang Wang
- School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Wei Zeng
- School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Jinling Zhao
- School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China
- National Engineering Research Center for Analysis and Application of Agro-Ecological Big Data, Anhui University, Hefei, 230601, P. R. China
| | - Limin Ruan
- School of Advanced Manufacturing Engineering, Hefei University, Hefei, 230601, P. R. China
- National Engineering Research Center for Analysis and Application of Agro-Ecological Big Data, Anhui University, Hefei, 230601, P. R. China
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Cheng L, He P, Dong Y, Zhang Z, Bandaru PR. Modulation of Electrokinetic Potentials Using Graphene-Based Surfaces and Variable Substrate Charge Density. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:11411-11418. [PMID: 38778044 DOI: 10.1021/acs.langmuir.4c00227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Enhanced electrokinetic phenomena, manifested through the observation of a large streaming potential (Vs), were obtained in microchannels with single-layer graphene (SLG)-coated and few-layer graphene (FLG)-coated surfaces. In comparison to silicon microchannels, the Vs obtained for a given pressure difference along the channel (ΔP) was higher by 75% for the graphene-based channels, with larger values in the SLG case. Computational modeling was used to correlate the surface charge density, tuned through plasma processing, and related zeta potential to measured Vs. The implications related to deploying lower dimensional material surfaces for modulating electrokinetic flows were investigated.
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Affiliation(s)
- Li Cheng
- Department of Mechanical Engineering, University of California San Diego, La Jolla, California 92093, United States
| | - Putian He
- Program in Materials Science, University of California San Diego, La Jolla, California 92093, United States
| | - Yongliang Dong
- Program in Materials Science, University of California San Diego, La Jolla, California 92093, United States
| | - Zichen Zhang
- Program in Materials Science, University of California San Diego, La Jolla, California 92093, United States
| | - Prabhakar R Bandaru
- Department of Mechanical Engineering, University of California San Diego, La Jolla, California 92093, United States
- Program in Materials Science, University of California San Diego, La Jolla, California 92093, United States
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Lim H, Kim MS, Cho Y, Ahn J, Ahn S, Nam JS, Bae J, Yun TG, Kim ID. Hydrovoltaic Electricity Generator with Hygroscopic Materials: A Review and New Perspective. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2301080. [PMID: 37084408 DOI: 10.1002/adma.202301080] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/13/2023] [Indexed: 05/03/2023]
Abstract
The global energy crisis caused by the overconsumption of nonrenewable fuels has prompted researchers to develop alternative strategies for producing electrical energy. In this review, a fascinating strategy that simply utilizes water, an abundant natural substance throughout the globe and even in air as moisture, as a power source is introduced. The concept of the hydrovoltaic electricity generator (HEG) proposed herein involves generating an electrical potential gradient by exposing the two ends of the HEG device to dissimilar physicochemical environments, which leads to the production of an electrical current through the active material. HEGs, with a large variety of viable active materials, have much potential for expansion toward diverse applications including permanent and/or emergency power sources. In this review, representative HEGs that generate electricity by the mechanisms of diffusion, streaming, and capacitance as case studies for building a fundamental understanding of the electricity generation process are discussed. In particular, by comparing the use and absence of hygroscopic materials, HEG mechanism studies to establish active material design principles are meticulously elucidated. The review with future perspectives on electrode design using conducting nanomaterials, considerations for high performance device construction, and potential impacts of the HEG technology in improving the livelihoods are reviewed.
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Affiliation(s)
- Haeseong Lim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Min Soo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Yujang Cho
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jaewan Ahn
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seongcheol Ahn
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jong Seok Nam
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jaehyeong Bae
- Department of Chemical Engineering, College of Engineering Kyung Hee University, 1732, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, Republic of Korea
| | - Tae Gwang Yun
- Department of Materials Science and Engineering, Myongji University, Yongin, Gyeonggi, 17058, Republic of Korea
| | - Il-Doo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
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Yuan X, Bai G, Wang Y, Zeng X, Shao B, Wang Y, Sun B. Mapping Capillary Infiltration-Induced Potential in Water-Triggered Electric Generator Using an Electrical Probe Integrated Microscope. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2307201. [PMID: 37950403 DOI: 10.1002/smll.202307201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/23/2023] [Indexed: 11/12/2023]
Abstract
Power generation from water-triggered capillary action in porous structures has recently geared extensive attention, offering the potential for generating electricity from ubiquitous water evaporation. However, conclusively establishing the nature of electrical generation and charge transfer is extremely challenging arising from the complicated aqueous solid-liquid interfacial phenomenon. Here, an electric probe-integrated microscope is developed to on-line monitor the correlation between water capillary action and potential values at any desired position of an active layer. With a probe spatial resolution reaching up to fifty micrometers, the internal factors prevailing over the potential distribution across the whole wet and dry regions are comprehensively identified. Further, the self-powered sensing capabilities of this integrated system are also demonstrated, including real-time monitoring of wind speed, environmental humidity, ionic strength, and inclination angle of generators. The combination of electric potential and chemical color indicator suggests that charge generation is likely correlated with ion-selective transport in the nanoporous channel during the water infiltration process. And unipolar ions (for instance protons) should be the dominant charge-transfer species. The work reveals the fundamental principles regulating charge generation/transfer during the water-triggered electric generation process.
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Affiliation(s)
- Xianrong Yuan
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Guilin Bai
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Yanan Wang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xuelian Zeng
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Beibei Shao
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Yusheng Wang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Macau Institute of Materials Science and Engineering (MIMSE), MUST-SUDA Joint Research Center for Advanced Functional Materials, Macau University of Science and Technology, Taipa, Macau, 999078, P. R. China
| | - Baoquan Sun
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Macau Institute of Materials Science and Engineering (MIMSE), MUST-SUDA Joint Research Center for Advanced Functional Materials, Macau University of Science and Technology, Taipa, Macau, 999078, P. R. China
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Zhao X, Yang H, Duley WW, Zheng S, Guo T, Zhou NY. Simple Self-Powered Sensor for the Detection of D 2O and Other Isotopologues of Liquid Water. ACS Sens 2023; 8:3973-3984. [PMID: 37725347 DOI: 10.1021/acssensors.3c01772] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Distinguishing between heavy water and regular water has been a continuing challenge since these isotopologues of water have very similar physical and chemical properties. We report the development and evaluation of a simple, inexpensive sensor capable of detecting liquid D2O and other isotopologues of liquid water through the measurement of electrical signals generated from a nanoporous alumina film. This electrical output, consisting of a sharp voltage pulse followed by a separate broad voltage pulse, is present during the application of microliter volumes of liquid. The amplitude and temporal characteristics of these pulses have been combined to enable four diagnostic parameters for sensing D2O and H218O. The sensing mechanism is based on different modification effects on the alumina surface by H2O and D2O, spatially localized variations in the surface potential of alumina induced by isotopically substituted water molecules, combined with the effect of isotopic composition on charge transfer. As a proof-of-concept demonstration, a sensing system has been developed that provides real-time detection of liquid D2O in a stand-alone system.
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Affiliation(s)
- Xiaoye Zhao
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Hanwen Yang
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Walter W Duley
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
- Department of Physics and Astronomy, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Shuo Zheng
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Tao Guo
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Norman Y Zhou
- Centre for Advanced Materials Joining, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
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Ni K, Xu B, Wang Z, Ren Q, Gu W, Sun B, Liu R, Zhang X. Ion-Diode-Like Heterojunction for Improving Electricity Generation from Water Droplets by Capillary Infiltration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2305438. [PMID: 37526223 DOI: 10.1002/adma.202305438] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/25/2023] [Indexed: 08/02/2023]
Abstract
Water-droplet-based electricity generators are emerging hydrovoltaic technologies that harvest energy from water circulation through strong interactions between water and nanomaterials. However, such devices exhibit poor current performance owing to their unclear driving force (evaporation or infiltration) and undesirable reverse diffusion current. Herein, a water-droplet-based hydrovoltaic electricity generator induced by capillary infiltration with an asymmetric structure composed of a diode-like heterojunction formed by negatively and positively charged materials is fabricated. This device can generate current densities of 160 and 450 µA cm-2 at room temperature and 65 °C, respectively. The heterojunction achieves a rectification ratio of 12, which effectively suppresses the reverse current caused by concentration differences. This results in an improved charge accumulation of ≈60 mC cm-2 in 1000 s, which is three times the value observed in the control device. When the area of the device is increased to 6 cm2 , the current increases linearly to 1 mA, thus demonstrating the scale-up potential of the generator. It has been proven that the streaming potential originates from capillary infiltration, and the presence of ion rectification. The proposed method of constructing ion-diode-like structures provides a new strategy for improving generator performance.
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Affiliation(s)
- Kun Ni
- Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow Institute of Energy and Material Innovations, College of Energy, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Bentian Xu
- Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow Institute of Energy and Material Innovations, College of Energy, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Zhiqi Wang
- Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow Institute of Energy and Material Innovations, College of Energy, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Qinyi Ren
- Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow Institute of Energy and Material Innovations, College of Energy, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Wenbo Gu
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Baoquan Sun
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Ruiyuan Liu
- Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow Institute of Energy and Material Innovations, College of Energy, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xiaohong Zhang
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
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Zhang Z, He H, Guo J, Zhao C, Gao Z, Song YY. Water Evaporation-Driven Arginine Enantiomer Recognition on a Self-Powered Flexible Chip with High Specificity. Anal Chem 2023; 95:8128-8136. [PMID: 37163772 DOI: 10.1021/acs.analchem.3c01378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Chiral recognition is a crucial issue in the biomedical and pharmaceutical research communities. Due to the need for expensive equipment, reagents, and external energy, enantiomer identification is difficult to perform outside of a laboratory. Based on water evaporation-induced hydrovoltaic effect, a power-free sensing platform with sensitive chiral recognition capability is proposed for the discrimination of enantiomers. The chiral recognizer was bovine serum albumin (BSA), a naturally occurring protein. Using arginine (Arg) enantiomers as the sensing targets, the difference in enantioselectivity between l-Arg and d-Arg on a BSA-modified porous carbon substrate can be measured directly from the output voltage. By combining the cyclization reaction between NO and O-phenylenediamine (OPD), it has been discovered that the sensitivity and specificity of enantioselective identification can be significantly enhanced based on the surface charges. The limit of detection (LOD) could be as low as 76.0 nM. In addition, the proposed chips are extremely flexible and can function under deformation without sacrificing output performance. This self-powered chiral recognition chip paves a new path for the detection of chiral molecules at any time, any place, and it also has excellent potential for use in flexible wearable technology.
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Affiliation(s)
- Zhechen Zhang
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Haoxuan He
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Junli Guo
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Chenxi Zhao
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Zhida Gao
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Yan-Yan Song
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
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Feng JC, Xia H. Application of nanoarchitectonics in moist-electric generation. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:1185-1200. [PMID: 36348936 PMCID: PMC9623139 DOI: 10.3762/bjnano.13.99] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 09/30/2022] [Indexed: 05/09/2023]
Abstract
The consumption of energy is an important resource that cannot be ignored in modern society. Non-renewable forms of energy, such as coal, natural gas, and oil, have always been important strategic resources and are always facing a crisis of shortage. Therefore, there is an urgent need for green renewable forms of energy. As an emerging green energy source, the moist-electric generator (MEG) has been studied in recent years and may become an energy source that can be utilized in daily life. Along with the advancement of technological means, nanoarchitectonics play an important role in MEG devices. This review aims to provide a comprehensive summary of the fundamentals of the MEG from the perspective of different material classifications and to provide guidance for future work in the field of MEGs. The effects of various parameters and structural designs on the output power, recent important literature and works, the mechanism of liquid-solid interactions at the nanoscale, and the application status and further potential of MEG devices are discussed in this review. It is expected that this review may provide valuable knowledge for future MEG research.
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Affiliation(s)
- Jia-Cheng Feng
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun130012, China
| | - Hong Xia
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun130012, China
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