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Meena N, Sahoo S, Deka N, Zaręba JK, Boomishankar R. Ferroelectric Organic-Inorganic Hybrid Ammonium Halogenobismuthate(III) for Piezoelectric Energy Harvesting. Inorg Chem 2024; 63:9245-9251. [PMID: 38700990 PMCID: PMC11110009 DOI: 10.1021/acs.inorgchem.4c00908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/10/2024] [Accepted: 04/23/2024] [Indexed: 05/05/2024]
Abstract
Halogenobismuthate(III) compounds are of recent interest because of their low toxicity and distinct electrical properties. The utility of these materials as ferroelectrics for piezoelectric energy harvesters is still in its early stages. Herein, we report a hybrid ammonium halogenobismuthate(III) [BPBrDMA]2·[BiBr5], crystallizing in a ferroelectrically active polar noncentrosymmetric Pna21 space group. Its noncentrosymmetric structure was confirmed by the detection of the second harmonic generation response. The ferroelectric P-E hysteresis loop measurements on the thin film sample of [BPBrDMA]2·[BiBr5] gave a saturation polarization (Ps) of 5.72 μC cm-2. The piezoresponse force microscopy analysis confirmed its ferroelectric and piezoelectric nature, showing characteristic domain structures and signature hysteresis and butterfly loops. The piezoelectric energy harvesting attributes of [BPBrDMA]2·[BiBr5] were further probed on its polylactic acid (PLA) composites. The 15 wt % [BPBrDMA]2·[BiBr5]-PLA polymer composite resulted in a high output voltage of 26.2 V and power density of 15.47 μW cm-2. The energy harvested from this device was further utilized for charging a 10 μF capacitor within 3 min.
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Affiliation(s)
- Namonarayan Meena
- Department
of Chemistry, Indian Institute of Science
Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Supriya Sahoo
- Department
of Chemistry, Indian Institute of Science
Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Nilotpal Deka
- Department
of Chemistry, Indian Institute of Science
Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Jan K. Zaręba
- Institute
of Advanced Materials, Wrocław University
of Science and Technology, 50-370 Wrocław, Poland
| | - Ramamoorthy Boomishankar
- Department
of Chemistry, Indian Institute of Science
Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
- Centre
for Energy Science, Indian Institute of
Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
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2
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Zhang J, Zhu P, Ouyang H, Wang E, Xue J, Li Z, Shi B, Fan Y. High Signal to Noise Ratio Piezoelectric Thin Film Sensor Based on Elastomer Amplification for Ambulatory Blood Pressure Monitoring. ACS Sens 2024; 9:1301-1309. [PMID: 38373043 DOI: 10.1021/acssensors.3c02180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Continuous pulse wave detection can be used for monitoring and diagnosing cardiovascular diseases, and research on pulse sensing based on piezoelectric thin films is one of the hot spots. Usually, piezoelectric thin films do not come into direct contact with the skin and need to be connected through a layer of an elastic medium. Most views think that the main function of this layer of elastic medium is to increase the adhesion between the sensor component and the skin, but there is little discussion about the impact of the elastic medium on pulse vibration transmission. Here, we conducted a detailed study on the effects of Young's modulus and the thickness of elastic media on pulse sensing signals. The results show that the waveform amplitude of the piezoelectric sensing signal decreases with the increase of Young's modulus and thickness of the elastic medium. Then, we constructed a theoretical model of the influence of elastic media on pulse wave propagation. The amplitude of the pulse wave signal detected by the optimized sensor was increased to 480%. Our research shows that by regulating Young's modulus and thickness of elastic media, pulse wave signals can undergo a similar amplification effect, which has an important theoretical reference value for achieving ambulatory blood pressure monitoring based on high-quality pulse waves.
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Affiliation(s)
- Jiasi Zhang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing 100191, China
| | - Pengrui Zhu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing 100191, China
| | - Han Ouyang
- School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Engui Wang
- School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Jiangtao Xue
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
| | - Zhou Li
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
| | - Bojing Shi
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing 100191, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing 100191, China
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Liu W, Wang X. Recent Advances of Nanogenerator Technology for Cardiovascular Sensing and Monitoring. NANO ENERGY 2023; 117:108910. [PMID: 39183759 PMCID: PMC11343574 DOI: 10.1016/j.nanoen.2023.108910] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Cardiovascular sensing and monitoring is a widely used function in cardiovascular devices. Nowadays, achieving desired flexibility, wearability and implantability becomes a major design goal for the advancement of this family of devices. As an emerging technology, nanogenerator (NG) offers an intriguing promise for replacing the battery, an essential obstacle toward tissue-like soft electronics. This article reviews most recent advancements in NG technology for advanced cardiovascular sensing and monitoring. Based on the application targets, the discuss covers implantable NGs on hearts, implantable NGs for blood vessel grafts and patches, and wearable NGs with various sensing functions. The applications of NGs as a power source and as an electromechanical sensing element are both discussed. At the end, current challenges in this direction and future research perspectives are elaborated. This emerging and impactful application direction reviewed in this article is expected to inspire many new research and commercialization opportunities in the field of NG technology.
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Affiliation(s)
- Wenjian Liu
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Xudong Wang
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
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Vijayakanth T, Shankar S, Finkelstein-Zuta G, Rencus-Lazar S, Gilead S, Gazit E. Perspectives on recent advancements in energy harvesting, sensing and bio-medical applications of piezoelectric gels. Chem Soc Rev 2023; 52:6191-6220. [PMID: 37585216 PMCID: PMC10464879 DOI: 10.1039/d3cs00202k] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Indexed: 08/17/2023]
Abstract
The development of next-generation bioelectronics, as well as the powering of consumer and medical devices, require power sources that are soft, flexible, extensible, and even biocompatible. Traditional energy storage devices (typically, batteries and supercapacitors) are rigid, unrecyclable, offer short-lifetime, contain hazardous chemicals and possess poor biocompatibility, hindering their utilization in wearable electronics. Therefore, there is a genuine unmet need for a new generation of innovative energy-harvesting materials that are soft, flexible, bio-compatible, and bio-degradable. Piezoelectric gels or PiezoGels are a smart crystalline form of gels with polar ordered structures that belongs to the broader family of piezoelectric material, which generate electricity in response to mechanical stress or deformation. Given that PiezoGels are structurally similar to hydrogels, they offer several advantages including intrinsic chirality, crystallinity, degree of ordered structures, mechanical flexibility, biocompatibility, and biodegradability, emphasizing their potential applications ranging from power generation to bio-medical applications. Herein, we describe recent examples of new functional PiezoGel materials employed for energy harvesting, sensing, and wound dressing applications. First, this review focuses on the principles of piezoelectric generators (PEGs) and the advantages of using hydrogels as PiezoGels in energy and biomedical applications. Next, we provide a detailed discussion on the preparation, functionalization, and fabrication of PiezoGel-PEGs (P-PEGs) for the applications of energy harvesting, sensing and wound healing/dressing. Finally, this review concludes with a discussion of the current challenges and future directions of P-PEGs.
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Affiliation(s)
- Thangavel Vijayakanth
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
| | - Sudha Shankar
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
- Blavatnik Center for Drug Discovery, Tel Aviv University, Tel Aviv-6997801, Israel
| | - Gal Finkelstein-Zuta
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
- Department of Materials Science and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv-6997801, Israel.
| | - Sigal Rencus-Lazar
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
| | - Sharon Gilead
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
- Blavatnik Center for Drug Discovery, Tel Aviv University, Tel Aviv-6997801, Israel
| | - Ehud Gazit
- Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv-6997801, Israel
- Department of Materials Science and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv-6997801, Israel.
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Sahoo S, Kothavade PA, Naphade DR, Torris A, Praveenkumar B, Zaręba JK, Anthopoulos TD, Shanmuganathan K, Boomishankar R. 3D-printed polymer composite devices based on a ferroelectric chiral ammonium salt for high-performance piezoelectric energy harvesting. MATERIALS HORIZONS 2023; 10:3153-3161. [PMID: 37227322 DOI: 10.1039/d3mh00444a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Three-dimensional printing (3DP) is an emerging technology to fabricate complex architectures, necessary to realize state-of-the-art flexible and wearable electronic devices. In this regard, top-performing devices containing organic ferro- and piezoelectric compounds are desired to circumvent significant shortcomings of conventional piezoceramics, e.g. toxicity and high-temperature device processibility. Herein, we report on a 3D-printed composite of a chiral ferroelectric organic salt {[Me3CCH(Me)NH3][BF4]} (1) with a biodegradable polycaprolactone (PCL) polymer that serves as a highly efficient piezoelectric nanogenerator (PENG). The ferroelectric property of 1 originates from its polar tetragonal space group P42, verified by P-E loop measurements. The ferroelectric domain characteristics of 1 were further probed by piezoresponse force microscopy (PFM), which gave characteristic 'butterfly' and hysteresis loops. The PFM amplitude vs. drive voltage measurements gave a relatively high magnitude of the converse piezoelectric coefficient for 1. PCL polymer composites with various weight percentages (wt%) of 1 were prepared and subjected to piezoelectric energy harvesting tests, which gave a maximum open-circuit voltage of 36.2 V and a power density of 48.1 μW cm-2 for the 10 wt% 1-PCL champion device. Furthermore, a gyroid-shaped 3D-printed 10 wt% 1-PCL composite was fabricated to test its practical utility, which gave an excellent output voltage of 41 V and a power density of 56.8 μW cm-2. These studies promise the potential of simple organic compounds for building PENG devices using advanced manufacturing technologies.
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Affiliation(s)
- Supriya Sahoo
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Pune, Dr Homi Bhabha Road, Pune - 411008, India.
| | - Premkumar Anil Kothavade
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune, 411008, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Dipti R Naphade
- King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Thuwal 23955-6900, Saudi Arabia.
| | - Arun Torris
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune, 411008, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Balu Praveenkumar
- PZT Centre, Armament Research and Development Establishment, Dr Homi Bhabha Road, Pune - 411021, India.
| | - Jan K Zaręba
- Institute of Advanced Materials, Wrocław University of Science and Technology, Wrocław-50-370, Poland.
| | - Thomas D Anthopoulos
- King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Thuwal 23955-6900, Saudi Arabia.
| | - Kadhiravan Shanmuganathan
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune, 411008, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Ramamoorthy Boomishankar
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Pune, Dr Homi Bhabha Road, Pune - 411008, India.
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6
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Zhu Q, Wu T, Wang N. From Piezoelectric Nanogenerator to Non-Invasive Medical Sensor: A Review. BIOSENSORS 2023; 13:113. [PMID: 36671948 PMCID: PMC9856170 DOI: 10.3390/bios13010113] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Piezoelectric nanogenerators (PENGs) not only are able to harvest mechanical energy from the ambient environment or body and convert mechanical signals into electricity but can also inform us about pathophysiological changes and communicate this information using electrical signals, thus acting as medical sensors to provide personalized medical solutions to patients. In this review, we aim to present the latest advances in PENG-based non-invasive sensors for clinical diagnosis and medical treatment. While we begin with the basic principles of PENGs and their applications in energy harvesting, this review focuses on the medical sensing applications of PENGs, including detection mechanisms, material selection, and adaptive design, which are oriented toward disease diagnosis. Considering the non-invasive in vitro application scenario, discussions about the individualized designs that are intended to balance a high performance, durability, comfortability, and skin-friendliness are mainly divided into two types: mechanical sensors and biosensors, according to the key role of piezoelectric effects in disease diagnosis. The shortcomings, challenges, and possible corresponding solutions of PENG-based medical sensing devices are also highlighted, promoting the development of robust, reliable, scalable, and cost-effective medical systems that are helpful for the public.
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Affiliation(s)
- Qiliang Zhu
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Tong Wu
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
- National Institute of Metrology, Beijing 100029, China
| | - Ning Wang
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
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7
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Ikram M, Mahmud MAP. Advanced triboelectric nanogenerator-driven drug delivery systems for targeted therapies. Drug Deliv Transl Res 2023; 13:54-78. [PMID: 35713781 DOI: 10.1007/s13346-022-01184-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2022] [Indexed: 12/13/2022]
Abstract
In the current decade, remarkable efforts have been made to develop a self-regulated, on-demand and controlled release drug delivery system driven by triboelectric nanogenerators (TENGs). TENGs have great potential to convert biomechanical energy into electricity and are suitable candidates for self-powered drug delivery systems (DDSs) with exciting features such as small size, easy fabrication, biocompatible, high power output and economical. This review exclusively explains the development and implementation process of TENG-mediated, self-regulated, on-demand and targeted DDSs. It also highlights the recently used TENG-driven DDSs for cancer therapy, infected wounds healing, tissue regeneration and many other chronic disorders. Moreover, it summarises the crucial challenges that are needed to be addressed for their universal applications. Finally, a roadmap to advance the TENG-based drug delivery system developments is depicted for the targeted therapies and personalised healthcare.
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Affiliation(s)
- Muhammad Ikram
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - M A Parvez Mahmud
- School of Engineering, Deakin University, Geelong, VIC, 3216, Australia.
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8
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Zhai Z, Du X, Long Y, Zheng H. Biodegradable polymeric materials for flexible and degradable electronics. FRONTIERS IN ELECTRONICS 2022. [DOI: 10.3389/felec.2022.985681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Biodegradable electronics have great potential to reduce the environmental footprint of electronic devices and to avoid secondary removal of implantable health monitors and therapeutic electronics. Benefiting from the intensive innovation on biodegradable nanomaterials, current transient electronics can realize full components’ degradability. However, design of materials with tissue-comparable flexibility, desired dielectric properties, suitable biocompatibility and programmable biodegradability will always be a challenge to explore the subtle trade-offs between these parameters. In this review, we firstly discuss the general chemical structure and degradation behavior of polymeric biodegradable materials that have been widely studied for various applications. Then, specific properties of different degradable polymer materials such as biocompatibility, biodegradability, and flexibility were compared and evaluated for real-life applications. Complex biodegradable electronics and related strategies with enhanced functionality aimed for different components including substrates, insulators, conductors and semiconductors in complex biodegradable electronics are further researched and discussed. Finally, typical applications of biodegradable electronics in sensing, therapeutic drug delivery, energy storage and integrated electronic systems are highlighted. This paper critically reviews the significant progress made in the field and highlights the future prospects.
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9
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Gikunda MN, Harerimana F, Mangum JM, Rahman S, Thompson JP, Harris CT, Churchill HOH, Thibado PM. Array of Graphene Variable Capacitors on 100 mm Silicon Wafers for Vibration-Based Applications. MEMBRANES 2022; 12:membranes12050533. [PMID: 35629859 PMCID: PMC9147771 DOI: 10.3390/membranes12050533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/03/2022] [Accepted: 05/12/2022] [Indexed: 11/29/2022]
Abstract
Highly flexible, electrically conductive freestanding graphene membranes hold great promise for vibration-based applications. This study focuses on their integration into mainstream semiconductor manufacturing methods. We designed a two-mask lithography process that creates an array of freestanding graphene-based variable capacitors on 100 mm silicon wafers. The first mask forms long trenches terminated by square wells featuring cone-shaped tips at their centers. The second mask fabricates metal traces from each tip to its contact pad along the trench and a second contact pad opposite the square well. A graphene membrane is then suspended over the square well to form a variable capacitor. The same capacitor structures were also built on 5 mm by 5 mm bare dies containing an integrated circuit underneath. We used atomic force microscopy, optical microscopy, and capacitance measurements in time to characterize the samples.
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Affiliation(s)
- Millicent N. Gikunda
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | - Ferdinand Harerimana
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | - James M. Mangum
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | - Sumaya Rahman
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | - Joshua P. Thompson
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | | | - Hugh O. H. Churchill
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
| | - Paul M. Thibado
- Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA; (M.N.G.); (F.H.); (J.M.M.); (S.R.); (J.P.T.); (H.O.H.C.)
- Correspondence:
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Yu D, Sun C, Wang K, Yin S, Sun L, Chen H, Kong F. A novel direct-driven triboelectric–electromagnetic hybridized wave energy converter for buoy power supply. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02398-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Moon CH, Yasmeen S, Park K, Gaiji H, Chung C, Kim H, Moon HS, Choi JW, Lee HBR. Icephobic Coating through a Self-Formed Superhydrophobic Surface Using a Polymer and Microsized Particles. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3334-3343. [PMID: 34981919 DOI: 10.1021/acsami.1c22404] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Icephobic coatings have been extensively studied for decades to overcome the potential damage associated with ice formation in various devices that are operated under harsh weather conditions. Superhydrophobic surface coatings have been applied for icephobic coating applications owing to their low surface energy. In this study, an icephobic coating of a self-formed superhydrophobic surface using polydimethylsiloxane (PDMS) and SiO2 powder was investigated. The effect of superhydrophobicity on icephobicity was determined by varying the experimental parameters. Polyvinylidene fluoride (PVDF) was added to the PDMS solution to improve the mechanical properties of the icephobic layer. The PDMS-PVDF solution also showed a self-formation behavior into a superhydrophobic surface. In addition, the icephobicity and mechanical properties of the PDMS-PVDF mixture coating improved because of the multilevel nanostructure formed by physical and chemical interactions between the mixture and SiO2 powder. We believe that the proposed approach will be a suitable candidate for various practical applications of icephobicity and a model system to understand the correlation between superhydrophobicity and icephobicity.
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Affiliation(s)
- Chan Hui Moon
- Department of Materials Science & Engineering, Incheon National University, Incheon 22012, South Korea
| | - Sumaira Yasmeen
- Department of Materials Science & Engineering, Incheon National University, Incheon 22012, South Korea
| | - Kiho Park
- School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, South Korea
| | - Houda Gaiji
- Department of Materials Science & Engineering, Incheon National University, Incheon 22012, South Korea
| | - Changhyun Chung
- Office of Technology Development & Service, Korea Polar Research Institute, Incheon 21990, South Korea
| | - Hyoungkwon Kim
- Office of Technology Development & Service, Korea Polar Research Institute, Incheon 21990, South Korea
| | - Hyoung-Seok Moon
- Energy Plant R&D Group, Korea Institute of Industrial Technology, Busan 31056, South Korea
| | - Jang Wook Choi
- School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, South Korea
| | - Han-Bo-Ram Lee
- Department of Materials Science & Engineering, Incheon National University, Incheon 22012, South Korea
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12
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Li J, Hacker TA, Wei H, Long Y, Yang F, Ni D, Rodgers A, Cai W, Wang X. Long-term in vivo operation of implanted cardiac nanogenerators in swine. NANO ENERGY 2021; 90:106507. [PMID: 34737918 PMCID: PMC8562697 DOI: 10.1016/j.nanoen.2021.106507] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Implantable nanogenerators (i-NG) provide power to cardiovascular implantable electronic devices (CIEDs) by harvesting biomechanical energy locally eliminating the need for batteries. However, its long-term operation and biological influences on the heart have not been tested. Here, we evaluate a soft and flexible i-NG system engineered for long-term in vivo cardiac implantation. It consisted of i-NG, leads, and receivers, and was implanted on the epicardium of swine hearts for 2 months. The i-NG system generated electric current throughout the testing period. Biocompatibility and biosafety were established based on normal blood and serum test results and no tissue reactions. Heart function was unchanged over the testing period as validated by normal electrocardiogram (ECG), transthoracic ultrasound, and invasive cardiac functional measures. This research demonstrates the safety, long term operation and therefore the feasibility of using i-NGs to power the next generation CIEDs.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Timothy A. Hacker
- Cardiovascular Research Center, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Hao Wei
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Yin Long
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Fan Yang
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Dalong Ni
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Allison Rodgers
- Cardiovascular Research Center, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Weibo Cai
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Xudong Wang
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
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13
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Sahoo S, Vijayakanth T, Kothavade P, Dixit P, Zaręba JK, Shanmuganathan K, Boomishankar R. Ferroelectricity and Piezoelectric Energy Harvesting of Hybrid A 2BX 4-Type Halogenocuprates Stabilized by Phosphonium Cations. ACS MATERIALS AU 2021; 2:124-131. [PMID: 36855770 PMCID: PMC9888644 DOI: 10.1021/acsmaterialsau.1c00046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Perovskite-structured compounds containing organic cations and inorganic anions have gained prominence as materials for next-generation electronic and energy devices. Hybrid materials possessing ferro- and piezoelectric properties are in recent focus for mechanical energy harvesting (nanogenerator) applications. Here, we report the ferroelectric behavior of A2BX4-type halogenocuprate materials supported by heteroleptic phosphonium cations. These lead-free discrete Cu(II) halides [Ph3MeP]2[CuCl4] (1) and [Ph3MeP]2[CuBr4] (2) exhibit a remnant polarization (P r) of 17.16 and 26.02 μC cm-2, respectively, at room temperature. Furthermore, flexible polymer films were prepared with various weight percentage (wt %) compositions of 1 in thermoplastic polyurethane (TPU) and studied for mechanical energy harvesting applications. A highest peak-to-peak voltage output of 25 V and power density of 14.1 μW cm-2 were obtained for the optimal 15 wt % 1-TPU composite film. The obtained output voltages were utilized for charging a 100 μF electrolytic capacitor that reaches its maximum charging point within 30 s with sizable stored energies and accumulated charges.
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Affiliation(s)
- Supriya Sahoo
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India
| | - Thangavel Vijayakanth
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India
| | - Premkumar Kothavade
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India,Academy
of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Prashant Dixit
- PZT
Centre, Armament Research and Development
Establishment, Dr. Homi Bhabha Road, Pune 411021, India
| | - Jan K. Zaręba
- Advanced
Materials Engineering and Modelling Group, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego
27, 50-370 Wrocław, Poland,
| | - Kadhiravan Shanmuganathan
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India,Academy
of Scientific and Innovative Research, Ghaziabad 201002, India,
| | - Ramamoorthy Boomishankar
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India,
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14
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Li J, Wang X. Materials Perspectives for Self-Powered Cardiac Implantable Electronic Devices toward Clinical Translation. ACCOUNTS OF MATERIALS RESEARCH 2021; 2:739-750. [PMID: 35386361 PMCID: PMC8979373 DOI: 10.1021/accountsmr.1c00078] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Represented by pacemakers, implantable electronic devices (CIEDs) are playing a vital life-saving role in modern society. Although the current CIEDs are evolving quickly in terms of performance, safety, and miniaturization, the bulky and rigid battery creates the largest hurdle toward further development of a soft system that can be attached and conform to tissues without causing undesirable physiologic changes. Over 50% of patients with pacemakers require additional surgery procedures to replace a drained battery. Abrupt battery malfunction and failure contributes up to 2.4% of implanted leadless pacemakers. The battery also has risks of lethal interference with diagnostic magnetic resonance imaging (MRI). Applying the implantable nanogenerators (i-NGs) technology to CIEDs is regarded as a promising solution to the battery challenge and enables self-powering capability. I-NGs based on the principle of either triboelectricity (TENG) or piezoelectricity (PENG) can convert biomechanical energy into electricity effectively. Meanwhile, a complete heartbeat cycle provides a biomechanical energy of ~0.7 J or an average power of 0.93 W, which is sufficient for the operation of CIEDs considering the power consumption of 5-10 μW for a pacemaker and 10-100 μW for a cardiac defibrillator. It is therefore practical to leverage the effective, soft, flexible, lightweight, and biocompatible i-NGs to eliminate the bulky battery component in CIEDs and achieve self-sustainable operation. In this rapidly evolving interdisciplinary field, materials innovation acts as a cornerstone that frames the technology development. Here we bring a few critical perspectives regarding materials design and engineering, which are essential in leading the NG-powered CIEDs toward clinical translations. This Account starts with a brief introduction of the cardiac electrophysiology, as well as its short history to interface the state-of-the-art cardiac NG technologies. Three key components of NG-powered CIEDs are discussed in detail, including the NG device itself, the packaging material, and the stimulation electrodes. Cardiac NG is the essential component that converts heartbeat energy into electricity. It demands high-performance electromechanical coupling materials with long-term dynamic stability. The packaging material is critical to ensure a long-term stable operation of the device on a beating heart. Given the unique operation environment, a few criteria need to be considered in its development, including flexibility, biocompatibility, antifouling, hemocompatibility, and bioadhesion. The stimulation electrodes are the only material interfacing the heart tissue electrically. They should provide capacitive charge injection and mimic the soft and wet intrinsic tissues for the sake of stable biointerfaces. Driven by the rapid materials and device advancement, we envision that the evolution of NG-based CIEDs will quickly move from epicardiac to intracardiac, from single-function to multifunction, and with a minimal-invasive implantation procedure. This trend of development will open many research opportunities in emerging materials science and engineering, which will eventually lead the NG technology to a prevailing strategy for powering future CIEDs.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Xudong Wang
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
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15
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Wang YM, Zeng Q, He L, Yin P, Sun Y, Hu W, Yang R. Fabrication and application of biocompatible nanogenerators. iScience 2021; 24:102274. [PMID: 33817578 PMCID: PMC8010465 DOI: 10.1016/j.isci.2021.102274] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
As a new sustainable energy source, ubiquitous mechanical energy has received great attention and was successfully harvested by different types of nanogenerators. Among them, biocompatible nanogenerators are of particular interests due to their potential for biomedical applications. In this review, we provide an overview of the recent achievements in the fabrication and application of biocompatible nanogenerators. The development process and working mechanism of nanogenerators are introduced. Different biocompatible materials for energy harvesting, such as amino acids, peptide, silk protein, and cellulose, are discussed and compared. We then discuss different applications of biocompatible nanogenerators. We conclude with the challenges and potential research directions in this emerging field.
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Affiliation(s)
- Yong-Mei Wang
- Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Qingfeng Zeng
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Science and Technology on Thermostructural Composite Materials Laboratory, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China
- MSEA International Institute for Materials Genome, Gu'an 065500, Hebei, China
| | - Lilong He
- Xi'an Chuanglian Electronic Component (Group) Co. Ltd., Xi'an 710065, China
| | - Pei Yin
- Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Yu Sun
- Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Wen Hu
- Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Rusen Yang
- Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
- Joint Laboratory for Intelligent Biofabrication, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
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16
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Zou Y, Libanori A, Xu J, Nashalian A, Chen J. Triboelectric Nanogenerator Enabled Smart Shoes for Wearable Electricity Generation. RESEARCH (WASHINGTON, D.C.) 2020; 2020:7158953. [PMID: 33623909 PMCID: PMC7877399 DOI: 10.34133/2020/7158953] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 08/24/2020] [Indexed: 11/18/2022]
Abstract
The parallel evolution of wearable electronics, artificial intelligence, and fifth-generation wireless technology has created a technological paradigm with the potential to change our lives profoundly. Despite this, addressing limitations linked to continuous, sustainable, and pervasive powering of wearable electronics remains a bottleneck to overcome in order to maximize the exponential benefit that these technologies can bring once synergized. A recent groundbreaking discovery has demonstrated that by using the coupling effect of contact electrification and electrostatic induction, triboelectric nanogenerators (TENGs) can efficiently convert irregular and low-frequency passive biomechanical energy from body movements into electrical energy, providing an infinite and sustainable power source for wearable electronics. A number of human motions have been exploited to properly and efficiently harness this energy potential, including human ambulation. Shoes are an indispensable component of daily wearing and can be leveraged as an excellent platform to exploit such kinetic energy. In this article, the latest representative achievements of TENG-based smart electricity-generating shoes are comprehensively reviewed. We summarize ways in which not only can biomechanical energy be scavenged via ambulatory motion, but also biomonitoring of health parameters via tracking of rhythm and strength of pace can be implemented to aid in theranostic fields. This work provides a systematical review of the rational structural design, practical applications, scenario analysis, and performance evaluation of TENG-based smart shoes for wearable electricity generation. In addition, the perspective for future development of smart electricity-generation shoes as a sustainable and pervasive energy solution towards the upcoming era of the Internet of Things is discussed.
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Affiliation(s)
- Yongjiu Zou
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jing Xu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ardo Nashalian
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
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17
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Parandeh S, Kharaziha M, Karimzadeh F, Hosseinabadi F. Triboelectric nanogenerators based on graphene oxide coated nanocomposite fibers for biomedical applications. NANOTECHNOLOGY 2020; 31:385402. [PMID: 32498060 DOI: 10.1088/1361-6528/ab9972] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A high demand for green and eco-friendly triboelectric nanogenerators (TENGs) has multiplied the importance of their degradability for biomedical applications. However, the charge generation of current eco-friendly TENGs is generally limited. In this research, a flexible TENG based on a silk fibroin (SF) fibrous layer and a polycaprolactone (PCL)/graphene oxide (GO) fibrous layer was developed. Moreover, the PCL/GO layer was surface modified using various concentrations of GO (0, 1.5, 3, 6, and 9 wt%). We demonstrated that surface modification using GO nanosheets significantly improved the output of the TENG. Notably, the optimized GO modified layer resulted in a voltage of 100 V, a current of 3.15 mA [Formula: see text], and a power density of 72 mW[Formula: see text]. Moreover, a thin PCL layer applied as an encapsulation layer did not significantly modulate the performance of the TENG. Furthermore, during 28 d of soaking in a phosphate buffer solution, the proposed TENG was able to successfully generate electricity. The TENG was also proposed to be used for the electrical stimulation of PC12 cells. The results confirmed that this self-powered electrical stimulator could promote the attachment and proliferation of PC12 cells. Therefore, we have shown the potential for an eco-friendly and cost-effective TENG based on GO modified PCl/GO and silk fibrous layers to be used as a power source for biomedical applications.
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Affiliation(s)
- S Parandeh
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
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18
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Li J, Long Y, Yang F, Wang X. Respiration-driven triboelectric nanogenerators for biomedical applications. ECOMAT 2020; 2:e12045. [PMID: 34172981 DOI: 10.1002/eom2.12065] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/30/2020] [Accepted: 07/18/2020] [Indexed: 05/24/2023]
Abstract
As a fundamental and ubiquitous body motion, respiration offers a large amount of biomechanical energy with an average power up to the Watt level through movements of multiple muscles. The energy from respiration featured with excellent stability, accessibility and continuality inspires the design and engineering of biomechanical energy harvesting devices, such as triboelectric nanogenerators (TENGs), to realize human-powered electronics. This review article is thus dedicated to the emerging respiration-driven TENG technology, covering fundamentals, applications, and perspectives. Specifically, the human breathing mechanics are first introduced serving as the base for the developments of TENG devices with different configurations. Biomedical applications including electrical energy generation, healthcare monitoring, air filtration, gas sensing, electrostimulation, and powering implantable medical devices are then analyzed focusing on the design-application relationships. At last, current developments are summarized and critical challenges for driving these intriguing developments toward practical applications are discussed together with promising solutions.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Yin Long
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Fan Yang
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Xudong Wang
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
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19
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Li J, Long Y, Yang F, Wang X. Respiration-driven triboelectric nanogenerators for biomedical applications. ECOMAT 2020; 2:e12045. [PMID: 34172981 PMCID: PMC7436384 DOI: 10.1002/eom2.12045] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/30/2020] [Accepted: 07/18/2020] [Indexed: 05/05/2023]
Abstract
As a fundamental and ubiquitous body motion, respiration offers a large amount of biomechanical energy with an average power up to the Watt level through movements of multiple muscles. The energy from respiration featured with excellent stability, accessibility and continuality inspires the design and engineering of biomechanical energy harvesting devices, such as triboelectric nanogenerators (TENGs), to realize human-powered electronics. This review article is thus dedicated to the emerging respiration-driven TENG technology, covering fundamentals, applications, and perspectives. Specifically, the human breathing mechanics are first introduced serving as the base for the developments of TENG devices with different configurations. Biomedical applications including electrical energy generation, healthcare monitoring, air filtration, gas sensing, electrostimulation, and powering implantable medical devices are then analyzed focusing on the design-application relationships. At last, current developments are summarized and critical challenges for driving these intriguing developments toward practical applications are discussed together with promising solutions.
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Affiliation(s)
- Jun Li
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Yin Long
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Fan Yang
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Xudong Wang
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
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20
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Xu Z, Jin C, Cabe A, Escobedo D, Hao N, Trase I, Closson AB, Dong L, Nie Y, Elliott J, Feldman MD, Chen Z, Zhang JXJ. Flexible Energy Harvester on a Pacemaker Lead Using Multibeam Piezoelectric Composite Thin Films. ACS APPLIED MATERIALS & INTERFACES 2020; 12:34170-34179. [PMID: 32543828 DOI: 10.1021/acsami.0c07969] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Implantable medical devices, such as cardiac pacemakers and defibrillators, rely on batteries for operation. However, conventional batteries only last for a few years, and additional surgeries are needed for replacement. Harvesting energy directly from the human body enables a new paradigm of self-sustainable power sources for implantable medical devices without being constrained by the battery's limited lifetime. Here, we report the design of a multibeam cardiac energy harvester using polydimethylsiloxane (PDMS)-infilled microporous P(VDF-TrFE) composite films. We first added ZnO nanoparticles and multiwall carbon nanotubes into microporous P(VDF-TrFE) films to increase the energy output. The mixing ratios of 30% ZnO and 0.1% MWCNTs yielded 3.22 ± 0.24 V output, which resulted in a voltage output 46 times higher than that of pure P(VDF-TrFE) films. Next, we discovered that the voltage generated by the composite film with PDMS is approximately 105% higher than that of the one without PDMS. For the application in cardiac pacemakers, we developed a facile fabrication method by building a cylindrical multibeam device that resides on the pacemaker lead to harvest energy from the complex motion of the lead driven by the heartbeat. Since the energy harvesting component is integrated into the pacemaker, it significantly reduces the risks and expenses associated with pacemaker-related surgeries. This work paves the way toward the new generation of energy harvesters that will benefit patients with a variety of implantable biomedical devices.
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Affiliation(s)
- Zhe Xu
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Congran Jin
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Andrew Cabe
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, United States
| | - Danny Escobedo
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, United States
| | - Nanjing Hao
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Ian Trase
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Andrew B Closson
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Lin Dong
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Yuan Nie
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - James Elliott
- Veterinary, Laboratory Animals Resources, The University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, United States
| | - Marc D Feldman
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, United States
| | - Zi Chen
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - John X J Zhang
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
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21
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Pagano R, Ingrosso C, Giancane G, Valli L, Bettini S. Wet Synthesis of Elongated Hexagonal ZnO Microstructures for Applications as Photo-Piezoelectric Catalysts. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2938. [PMID: 32630074 PMCID: PMC7372467 DOI: 10.3390/ma13132938] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/23/2020] [Accepted: 06/26/2020] [Indexed: 12/11/2022]
Abstract
It is well known that energetic demand and environmental pollution are strictly connected; the side products of vehicle and industrial exhausts are considered extremely dangerous for both human and environmental health. In the last years, the possibility to simultaneously photo-degrade water dissolved pollutants by means of ZnO nanostructures and to use their piezoelectric features to enhance the photo-degradation process has been investigated. In the present contribution, an easy and low-cost wet approach to synthetize hexagonal elongated ZnO microstructures in the wurtzite phase was developed. ZnO performances as photo-catalysts, under UV-light irradiation, were confirmed on water dissolved methylene blue dye. Piezoelectric responses of the synthetized ZnO microstructures were evaluated, as well, by depositing them into films onto flexible substrates, and a home-made layout was developed, in order to stimulate the ZnO microstructures deposited on solid supports by means of mechanical stress and UV photons, simultaneously. A relevant increment of the photo-degradation efficiency was observed when the piezopotential was applied, proposing the present approach as a completely eco-friendly tool, able to use renewable energy sources to degrade water solved pollutants.
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Affiliation(s)
- Rosanna Pagano
- Department of Biological and Environmental Sciences and Technologies, DISTEBA, University of Salento, Via per Arnesano, I-73100 Lecce, Italy; (R.P.); (L.V.)
| | - Chiara Ingrosso
- CNR-IPCF Sez. Bari, c/o Department of Chemistry, University of Bari, via Orabona 4, I-70126 Bari, Italy;
| | - Gabriele Giancane
- Department of Cultural Heritage, University of Salento, Via D. Birago, 48, I-73100 Lecce, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy;
| | - Ludovico Valli
- Department of Biological and Environmental Sciences and Technologies, DISTEBA, University of Salento, Via per Arnesano, I-73100 Lecce, Italy; (R.P.); (L.V.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy;
| | - Simona Bettini
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy;
- Department of Engineering for Innovation, University of Salento, Via per Monteroni, I-73100 Lecce, Italy
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22
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Li J, Long Y, Yang F, Wang X. Degradable Piezoelectric Biomaterials for Wearable and Implantable Bioelectronics. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE 2020; 24:100806. [PMID: 32313430 PMCID: PMC7170261 DOI: 10.1016/j.cossms.2020.100806] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Current bioelectronics are facing a paradigm shift from old-fashioned unrecyclable materials to green and degradable functional materials with desired biocompatibility. As an essential electromechanical coupling component in many bioelectronics, new piezoelectric materials are being developed with biodegradability, as well as desired mechanical and electromechanical properties for the next generation implantable and wearable bioelectronics. In this review, we provide an overview of the major advancements in biodegradable piezoelectric materials. Different natural (such as peptide, amino acids, proteins, cellulose, chitin, silk, collagen, and M13 phage) and synthetic piezoelectric materials (such as polylactic acid) are discussed to reveal the underlying electromechanical coupling mechanism at the molecular level, together with typical approaches to the alignment of orientation and polarization to boost their electromechanical performance. Meanwhile, in vivo and in vitro degradation manners of those piezoelectric materials are summarized and compared. Representative developments of typical electronic prototypes leveraging these materials are also discussed. At last, challenges toward practical applications are pointed out together with potential research opportunities that might be critical in this new materials research area.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - Yin Long
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - Fan Yang
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - Xudong Wang
- Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
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24
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Belviso F, Claerbout VEP, Comas-Vives A, Dalal NS, Fan FR, Filippetti A, Fiorentini V, Foppa L, Franchini C, Geisler B, Ghiringhelli LM, Groß A, Hu S, Íñiguez J, Kauwe SK, Musfeldt JL, Nicolini P, Pentcheva R, Polcar T, Ren W, Ricci F, Ricci F, Sen HS, Skelton JM, Sparks TD, Stroppa A, Urru A, Vandichel M, Vavassori P, Wu H, Yang K, Zhao HJ, Puggioni D, Cortese R, Cammarata A. Viewpoint: Atomic-Scale Design Protocols toward Energy, Electronic, Catalysis, and Sensing Applications. Inorg Chem 2019; 58:14939-14980. [DOI: 10.1021/acs.inorgchem.9b01785] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Florian Belviso
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
| | - Victor E. P. Claerbout
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
| | - Aleix Comas-Vives
- Department of Chemistry, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Naresh S. Dalal
- National High Magnet Field Lab, Tallahassee, Florida 32310, United States
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Feng-Ren Fan
- Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200433, China
| | - Alessio Filippetti
- Department of Physics at University of Cagliari, and CNR-IOM, UOS Cagliari, Cittadella Universitaria, I-09042 Monserrato (CA), Italy
| | - Vincenzo Fiorentini
- Department of Physics at University of Cagliari, and CNR-IOM, UOS Cagliari, Cittadella Universitaria, I-09042 Monserrato (CA), Italy
| | - Lucas Foppa
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, CH-8093 Zürich, Switzerland
| | - Cesare Franchini
- Faculty of Physics and Center for Computational Materials Science, University of Vienna, Sensengasse 8, A-1090 Vienna, Austria
- Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna 40127, Italy
| | - Benjamin Geisler
- Department of Physics and Center for Nanointegration (CENIDE), Universität Duisburg-Essen, Lotharstr. 1, Duisburg 47057, Germany
| | | | - Axel Groß
- Electrochemical Energy Storage, Helmholtz Institut Ulm, Ulm 89069, Germany
- Institute of Theoretical Chemistry, Ulm University, Ulm 89069, Germany
| | - Shunbo Hu
- Department of Physics, Materials Genome Institute, and International Center of Quantum and Molecular Structures, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Jorge Íñiguez
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, Avenue des Hauts-Fourneaux 5, L-4362 Esch/Alzette, Luxembourg
- Physics and Materials Research Unit, University of Luxembourg, Rue du Brill 41, Belvaux L-4422, Luxembourg
| | - Steven Kaai Kauwe
- Materials Science & Engineering Department, University of Utah, 122 Central Campus Drive, Salt Lake City, Utah 84112, United States
| | - Janice L. Musfeldt
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Paolo Nicolini
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
| | - Rossitza Pentcheva
- Department of Physics and Center for Nanointegration (CENIDE), Universität Duisburg-Essen, Lotharstr. 1, Duisburg 47057, Germany
| | - Tomas Polcar
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
| | - Wei Ren
- Department of Physics, Materials Genome Institute, and International Center of Quantum and Molecular Structures, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Fabio Ricci
- Physique Theorique des Materiaux, Universite de Liege, Sart-Tilman B-4000, Belgium
| | - Francesco Ricci
- Institute of Condensed Matter and Nanosciences, Universite Catholique de Louvain, Chemin des Etoiles 8, Louvain-la-Neuve B-1348, Belgium
| | - Huseyin Sener Sen
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
| | - Jonathan Michael Skelton
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Taylor D. Sparks
- Materials Science & Engineering Department, University of Utah, 122 Central Campus Drive, Salt Lake City, Utah 84112, United States
| | - Alessandro Stroppa
- CNR-SPIN, Department of Physical Sciences and Chemistry, Universita degli Studi dell’Aquila, Via Vetoio, Coppito (AQ) 67010, Italy
| | - Andrea Urru
- Department of Physics at University of Cagliari, and CNR-IOM, UOS Cagliari, Cittadella Universitaria, I-09042 Monserrato (CA), Italy
| | - Matthias Vandichel
- Department of Chemical Sciences and Bernal Institute, Limerick University, Limerick, Ireland
- Department of Chemistry and Material Science and Department of Applied Physics, Aalto University, Espoo 02150, Finland
| | - Paolo Vavassori
- CIC nanoGUNE, San Sebastian E-20018, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao 48013, Spain
| | - Hua Wu
- Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200433, China
- Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China
| | - Ke Yang
- Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200433, China
| | - Hong Jian Zhao
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, Avenue des Hauts-Fourneaux 5, L-4362 Esch/Alzette, Luxembourg
- Physics Department and Institute for Engineering, University of Arkansas, Fayetteville, Arkansas 72701,United States
| | - Danilo Puggioni
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, United States
| | - Remedios Cortese
- Department of Physics and Chemistry, Università degli Studi di Palermo, Viale delle Scienze ed. 17, Palermo 90128, Italy
| | - Antonio Cammarata
- Department of Control Engineering, Czech Technical University in Prague, Technicka 2, 16627 Prague 6, Czech Republic
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Dong L, Closson AB, Jin C, Trase I, Chen Z, Zhang JXJ. Vibration-Energy-Harvesting System: Transduction Mechanisms, Frequency Tuning Techniques, and Biomechanical Applications. ADVANCED MATERIALS TECHNOLOGIES 2019; 4:1900177. [PMID: 33829079 PMCID: PMC8022913 DOI: 10.1002/admt.201900177] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Indexed: 05/31/2023]
Abstract
Vibration-based energy-harvesting technology, as an alternative power source, represents one of the most promising solutions to the problem of battery capacity limitations in wearable and implantable electronics, in particular implantable biomedical devices. Four primary energy transduction mechanisms are reviewed, namely piezoelectric, electromagnetic, electrostatic, and triboelectric mechanisms for vibration-based energy harvesters. Through generic modeling and analyses, it is shown that various approaches can be used to tune the operation bandwidth to collect appreciable power. Recent progress in biomechanical energy harvesters is also shown by utilizing various types of motion from bodies and organs of humans and animals. To conclude, perspectives on next-generation energy-harvesting systems are given, whereby the ultimate intelligent, autonomous, and tunable energy harvesters will provide a new energy platform for electronics and wearable and implantable medical devices.
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Affiliation(s)
- Lin Dong
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Andrew B Closson
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Congran Jin
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Ian Trase
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Zi Chen
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - John X J Zhang
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
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26
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Liu RQ, Wang XX, Fu J, Zhang QQ, Song WZ, Xu Y, Chen YQ, Ramakrishna S, Long YZ. Preparation of Nanofibrous PVDF Membrane by Solution Blow Spinning for Mechanical Energy Harvesting. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1090. [PMID: 31366027 PMCID: PMC6723452 DOI: 10.3390/nano9081090] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 07/12/2019] [Accepted: 07/24/2019] [Indexed: 11/17/2022]
Abstract
Self-powered nanogenerators composed of poly(vinylidene fluoride) (PVDF) have received much attention. Solution blow spinning (SBS) is a neoteric process for preparing nanofiber mats with high efficiency and safely, and SBS is a mature fiber-forming technology that offers many advantages over conventional electrospinning methods. Herein, we adopted the SBS method to prepare independent PVDF nanofiber membranes (NFMs), and successfully employed them as nanogenerators. Finally, we tested the change in the output current caused by mechanical compression and stretching, and studied its durability and robustness by charging the capacitor, which can drive tiny electronic devices. The results show that the PVDF nanogenerators by using this SBS equipment can not only be used in wearable electronic textiles, but are also suitable for potential applications in micro-energy harvesting equipment.
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Affiliation(s)
- Rui-Qiang Liu
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - Xiao-Xiong Wang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - Jie Fu
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Qian-Qian Zhang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - Wei-Zhi Song
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - Yuan Xu
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - You-Qiang Chen
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
| | - Seeram Ramakrishna
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
- Center for Nanofibers & Nanotechnology, Faculty of Engineering, National University of Singapore, Singapore 119077, Singapore
| | - Yun-Ze Long
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China.
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27
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Zhang Y, Lü C, Lu B, Feng X, Wang J. Effects of Orientations on Efficiency of Energy Harvesting from Heart Motion Using Ultrathin Flexible Piezoelectric Devices. ADVANCED THEORY AND SIMULATIONS 2019. [DOI: 10.1002/adts.201900050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yangyang Zhang
- Faculty of Mechanical Engineering and MechanicsNingbo University Ningbo 315211 P. R. China
- Engineering Research Center of Nano‐Geo Materials of Ministry of EducationChina University of Geosciences Wuhan 430074 P. R. China
| | - Chaofeng Lü
- College of Civil Engineering and ArchitectureZhejiang University Hangzhou 310058 P. R. China
- Key Laboratory of Soft Machines and Smart Devices of Zhejiang ProvinceZhejiang University Hangzhou 310027 P. R. China
- Soft Matter Research CenterZhejiang University Hangzhou 310027 P. R. China
| | - Bingwei Lu
- Department of Engineering MechanicsTsinghua University Beijing 100084 P. R. China
| | - Xue Feng
- Department of Engineering MechanicsTsinghua University Beijing 100084 P. R. China
| | - Ji Wang
- Faculty of Mechanical Engineering and MechanicsNingbo University Ningbo 315211 P. R. China
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29
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Kao FC, Chiu PY, Tsai TT, Lin ZH. The application of nanogenerators and piezoelectricity in osteogenesis. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2019; 20:1103-1117. [PMID: 32002085 PMCID: PMC6968561 DOI: 10.1080/14686996.2019.1693880] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/29/2019] [Accepted: 11/13/2019] [Indexed: 05/13/2023]
Abstract
Bone is a complex organ possessing both physicomechanical and bioelectrochemical properties. In the view of Wolff's Law, bone can respond to mechanical loading and is subsequently reinforced in the areas of stress. Piezoelectricity is one of several mechanical responses of the bone matrix that allows osteocytes, osteoblasts, osteoclasts, and osteoprogenitors to react to changes in their environment. The present review details how osteocytes convert external mechanical stimuli into internal bioelectrical signals and the induction of intercellular cytokines from the standpoint of piezoelectricity. In addition, this review introduces piezoelectric and triboelectric materials used as self-powered electrical generators to promote osteogenic proliferation and differentiation due to their electromechanical properties, which could promote the development of promising applications in tissue engineering and bone regeneration.
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Affiliation(s)
- Fu-Cheng Kao
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, Taiwan
- Department of Orthopaedic Surgery, Spine Section, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ping-Yeh Chiu
- Department of Orthopaedic Surgery, Spine Section, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Tsung-Ting Tsai
- Department of Orthopaedic Surgery, Spine Section, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Zong-Hong Lin
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, Taiwan
- CONTACT Zong-Hong Lin Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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30
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Li J, Kang L, Long Y, Wei H, Yu Y, Wang Y, Ferreira CA, Yao G, Zhang Z, Carlos C, German L, Lan X, Cai W, Wang X. Implanted Battery-Free Direct-Current Micro-Power Supply from in Vivo Breath Energy Harvesting. ACS APPLIED MATERIALS & INTERFACES 2018; 10:42030-42038. [PMID: 30444344 PMCID: PMC6456428 DOI: 10.1021/acsami.8b15619] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In vivo biomechanical energy harvesting by implanted nanogenerators (i-NGs) is promising for self-powered implantable medical devices (IMDs). One critical challenge to reach practical applications is the requirement of continuous direct-current (dc) output, while the low-frequency body activities typically generate discrete electrical pulses. Here, we developed an ultrastretchable micrograting i-NG system that could function as a battery-free dc micro-power supply. Packaged by a soft silicone elastomer with a cavity design, the i-NG exhibited an ultralow Young's modulus of ∼45 kPa and a high biocompatibility to soft biological tissues. The i-NG was implanted inside the abdominal cavity of Sprague Dawley adult rats and directly converted the slow diaphragm movement during normal respiration into a high-frequency alternative current electrical output, which was readily transmitted into a continuous ∼2.2 V dc output after being integrated with a basic electrical circuit. A light-emitting diode was constantly operated by the breath-driven i-NG without the aid of any battery component. This solely biomechanical energy-driven dc micro-power supply offers a promising solution for the development of self-powered IMDs.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Lei Kang
- Department of Radiology and Medical Physics , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
- Department of Nuclear Medicine , Peking University First Hospital , Beijing 100034 , China
| | - Yin Long
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information , University of Electronic Science and Technology of China (UESTC) , Chengdu 610054 , China
| | - Hao Wei
- Department of Radiology and Medical Physics , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430022 , China
| | - Yanhao Yu
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Yizhan Wang
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Carolina A Ferreira
- Department of Radiology and Medical Physics , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Guang Yao
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information , University of Electronic Science and Technology of China (UESTC) , Chengdu 610054 , China
| | - Ziyi Zhang
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Corey Carlos
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Lazarus German
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430022 , China
| | - Weibo Cai
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
- Department of Radiology and Medical Physics , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Xudong Wang
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
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31
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Wei P, Song R, Chen C, Li Z, Zhu Z, Li S. A pH-Responsive Molecularly Imprinted Hydrogel for Dexamethasone Release. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-1039-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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32
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Xu Z, Liu Y, Dong L, Closson AB, Hao N, Oglesby M, Escobar GP, Fu S, Han X, Wen C, Liu J, Feldman MD, Chen Z, Zhang JX. Tunable Buckled Beams with Mesoporous PVDF-TrFE/SWCNT Composite Film for Energy Harvesting. ACS APPLIED MATERIALS & INTERFACES 2018; 10:33516-33522. [PMID: 30199624 PMCID: PMC6170678 DOI: 10.1021/acsami.8b09310] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
By incorporating mesoporous piezoelectric materials and tuning mechanical boundary conditions a simple beam structure can significantly take advantage of limited mechanical displacements for energy harvesting. Specifically, we employed a mesoporous PVDF-TrFE composite thin film mixed with single-wall carbon nanotubes to improve the formation of the crystalline phase in this piezoelectric polymer. The film was then patterned on a thin buckled beam to form a compact energy harvester, which was used to study the effects of two boundary conditions, including the end rotation angle and the location of a mechanical stop along the beam. We carefully designed controlled experiments using mesoporous PVDF-TrFE film and PVDF-TrFE/SWCNT composite films, both of which were tested under two cases of boundary conditions, namely, the rotation of the end angle and the addition of a mechanical stop. The voltage and current of the energy harvester under these two boundary conditions were, respectively, increased by approximately 160.1% and 200.5% compared to the results of its counterpart without imposing any boundary conditions. Thereby, our study offers a promising platform for efficiently powering implantable and wearable devices for harnessing energy from the human body which would otherwise have been wasted.
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Affiliation(s)
- Zhe Xu
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Yin Liu
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Lin Dong
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Andrew B. Closson
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Nanjing Hao
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Meagan Oglesby
- Schools of Medicine, University of Texas Health Science
Center, San Antonio, TX 78229, United States
| | - Gladys Patricia Escobar
- Schools of Medicine, University of Texas Health Science
Center, San Antonio, TX 78229, United States
| | - Sidan Fu
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Xiaomin Han
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Chunsheng Wen
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Jifeng Liu
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
| | - Marc David Feldman
- Schools of Medicine, University of Texas Health Science
Center, San Antonio, TX 78229, United States
| | - Zi Chen
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
- Corresponding author: John X.J. Zhang,
Zi Chen,
| | - John X.J. Zhang
- Thayer School of Engineering, Dartmouth College, Hanover,
NH 03755, United States
- Corresponding author: John X.J. Zhang,
Zi Chen,
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33
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Li J, Kang L, Yu Y, Long Y, Jeffery JJ, Cai W, Wang X. Study of Long-Term Biocompatibility and Bio-Safety of Implantable Nanogenerators. NANO ENERGY 2018; 51:728-735. [PMID: 30221128 PMCID: PMC6135531 DOI: 10.1016/j.nanoen.2018.07.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Implantable nanogenerator (i-NG) has shown great promises for enabling self-powered implantable medical devices (IMDs). One essential requirement for practical i-NG applications is its long-term bio-compatibility and bio-safety. This paper presents a systematic study of polydimethylsiloxane (PDMS) and PDMS/Parylene-C packaged Polyvinylidene fluoride (PVDF) NGs implanted inside female ICR (Institute of Cancer Research) mice for up to six months. The PVDF NG had a stable in vitro output of 0.3 V when bended for 7200 cycles and an in vivo output of 0.1V under stretching. Multiple advanced imaging techniques, including computed tomography (CT), ultrasound, and photoacoustic were used to characterize the embedded i-NGs in vivo. The i-NGs kept excellent adhesion to the adjacent muscle surface, and exhibited stable electrical output during the entire examine period. No signs of toxicity or incompatibility were observed from the surrounding tissues, as well as from the whole body functions by pathological analyses and blood and serum test. The PDMS package was also able to effectively insulate the i-NG in biological environment with negligible stray currents at a pA scale. This series of in-vivo and in-vitro study confirmed the biological feasibility of using i-NG in vivo for biomechanical energy harvesting.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering, University of Wisconsin-Madison, WI, 53706, USA
| | - Lei Kang
- Department of Radiology, University of Wisconsin - Madison, WI, 53705, USA
- Department of Nuclear Medicine, Peking University First Hospital, Beijing, 100034, China
| | - Yanhao Yu
- Department of Materials Science and Engineering, University of Wisconsin-Madison, WI, 53706, USA
| | - Yin Long
- Department of Materials Science and Engineering, University of Wisconsin-Madison, WI, 53706, USA
| | - Justin J. Jeffery
- University of Wisconsin Carbone Cancer Center, Madison, WI, 53705, USA
| | - Weibo Cai
- Department of Radiology, University of Wisconsin - Madison, WI, 53705, USA
- Department of Medical Physics, University of Wisconsin - Madison, Madison, WI, 53705, USA
- School of Pharmacy, University of Wisconsin - Madison, Madison, WI, 53705, USA
- University of Wisconsin Carbone Cancer Center, Madison, WI, 53705, USA
| | - Xudong Wang
- Department of Materials Science and Engineering, University of Wisconsin-Madison, WI, 53706, USA
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34
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Vijayakanth T, Srivastava AK, Ram F, Kulkarni P, Shanmuganathan K, Praveenkumar B, Boomishankar R. A Flexible Composite Mechanical Energy Harvester from a Ferroelectric Organoamino Phosphonium Salt. Angew Chem Int Ed Engl 2018; 57:9054-9058. [PMID: 29851252 DOI: 10.1002/anie.201805479] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Indexed: 11/09/2022]
Abstract
A new binary organic salt diphenyl diisopropylamino phosphonium hexaflurophosphate (DPDP⋅PF6 ) was shown to exhibit a good ferroelectric response and employed for mechanical energy harvesting application. The phosphonium salt crystallizes in the monoclinic noncentrosymmetric space group Cc and exhibits an H-bonded 1D chain structure due to N-H⋅⋅⋅F interactions. Ferroelectric measurements on the single crystals of DPDP⋅PF6 gave a well-saturated rectangular hysteresis loop with a remnant (Pr ) polarization value of 6 μC cm-2 . Further, composite devices based on polydimethylsiloxane (PDMS) films for various weight percentages (3, 5, 7, 10 and 20 wt %) of DPDP⋅PF6 were prepared and examined for power generation by using an impact test setup. A maximum output peak-to-peak voltage (VPP ) of 8.5 V and an output peak-to-peak current (IPP ) of 0.5 μA was obtained for the non-poled composite film with 10 wt % of DPDP⋅PF6 . These results show the efficacy of organic ferroelectric substances as potential micropower generators.
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Affiliation(s)
- Thangavel Vijayakanth
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Anant Kumar Srivastava
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Farsa Ram
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India.,Academy of Scientific and Innovative Research, CSIR- Human Resource Development Centre, Ghaziabad, 201002, India
| | - Priyangi Kulkarni
- PZT Centre, Armament Research and Development Establishment, Pune, Dr. Homi Bhabha Road, Pune, 411021, India
| | - Kadhiravan Shanmuganathan
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India.,Academy of Scientific and Innovative Research, CSIR- Human Resource Development Centre, Ghaziabad, 201002, India
| | - Balu Praveenkumar
- PZT Centre, Armament Research and Development Establishment, Pune, Dr. Homi Bhabha Road, Pune, 411021, India
| | - Ramamoorthy Boomishankar
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune, 411008, India.,Centre of Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune, 411008, India
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35
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Abstract
From last few decades, piezoelectric materials have played a vital role as a mechanism of energy harvesting, as they have the tendency to absorb energy from the environment and transform it to electrical energy that can be used to drive electronic devices directly or indirectly. The power of electronic circuits has been cut down to nano or micro watts, which leads towards the development of self-designed piezoelectric transducers that can overcome power generation problems and can be self-powered. Moreover, piezoelectric energy harvesters (PEHs) can reduce the need for batteries, resulting in optimization of the weight of structures. These mechanisms are of great interest for many researchers, as piezoelectric transducers are capable of generating electric voltage in response to thermal, electrical, mechanical and electromagnetic input. In this review paper, Fluid Structure Interaction-based, human-based, and vibration-based energy harvesting mechanisms were studied. Moreover, qualitative and quantitative analysis of existing PEH mechanisms has been carried out.
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36
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Sun J, Pu X, Liu M, Yu A, Du C, Zhai J, Hu W, Wang ZL. Self-Healable, Stretchable, Transparent Triboelectric Nanogenerators as Soft Power Sources. ACS NANO 2018; 12:6147-6155. [PMID: 29851468 DOI: 10.1021/acsnano.8b02479] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Despite the rapid advancements of soft electronics, developing compatible energy devices will be the next challenge for their viable applications. Here, we report an energy-harnessing triboelectric nanogenerator (TENG) as a soft electrical power source, which is simultaneously self-healable, stretchable, and transparent. The nanogenerator features a thin-film configuration with buckled Ag nanowires/poly(3,4-ethylenedioxythiophene) composite electrode sandwiched in room-temperature self-healable poly(dimethylsiloxane) (PDMS) elastomers. Dynamic imine bonds are introduced in PDMS networks for repairing mechanical damages (94% efficiency), while the mechanical recovery of the elastomer is imparted to the buckled electrode for electrical healing. By adjusting the buckling wavelength of the electrode, the stretchability and transparency of the soft TENG can be tuned. A TENG (∼50% stretchabitliy, ∼73% transmittance) can recover the electricity genearation (100% healing efficiency) even after accidental cutting. Finally, the conversion of biomechanical energies into electricity (∼100 V, 327 mW/m2) is demonstrated by a skin-like soft TENG. Considering all these merits, this work suggests a potentially promising approach for next-generation soft power sources.
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Affiliation(s)
- Jiangman Sun
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Xiong Pu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
| | - Mengmeng Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Aifang Yu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
| | - Chunhua Du
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Junyi Zhai
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
| | - Weiguo Hu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
| | - Zhong Lin Wang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems , Chinese Academy of Sciences , Beijing 100083 , China
- School of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
- School of Materials Science and Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332-0245 , United States
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37
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Vijayakanth T, Srivastava AK, Ram F, Kulkarni P, Shanmuganathan K, Praveenkumar B, Boomishankar R. A Flexible Composite Mechanical Energy Harvester from a Ferroelectric Organoamino Phosphonium Salt. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805479] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Thangavel Vijayakanth
- Department of Chemistry; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Anant Kumar Srivastava
- Department of Chemistry; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Farsa Ram
- Polymer Science and Engineering Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune 411008 India
- Academy of Scientific and Innovative Research; CSIR- Human Resource Development Centre; Ghaziabad 201002 India
| | - Priyangi Kulkarni
- PZT Centre; Armament Research and Development Establishment, Pune; Dr. Homi Bhabha Road Pune 411021 India
| | - Kadhiravan Shanmuganathan
- Polymer Science and Engineering Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune 411008 India
- Academy of Scientific and Innovative Research; CSIR- Human Resource Development Centre; Ghaziabad 201002 India
| | - Balu Praveenkumar
- PZT Centre; Armament Research and Development Establishment, Pune; Dr. Homi Bhabha Road Pune 411021 India
| | - Ramamoorthy Boomishankar
- Department of Chemistry; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
- Centre of Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
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38
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Jeong CK, Baek C, Kingon AI, Park KI, Kim SH. Lead-Free Perovskite Nanowire-Employed Piezopolymer for Highly Efficient Flexible Nanocomposite Energy Harvester. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1704022. [PMID: 29655226 DOI: 10.1002/smll.201704022] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/28/2018] [Indexed: 05/24/2023]
Abstract
In the past two decades, mechanical energy harvesting technologies have been developed in various ways to support or power small-scale electronics. Nevertheless, the strategy for enhancing current and charge performance of flexible piezoelectric energy harvesters using a simple and cost-effective process is still a challenging issue. Herein, a 1D-3D (1-3) fully piezoelectric nanocomposite is developed using perovskite BaTiO3 (BT) nanowire (NW)-employed poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) for a high-performance hybrid nanocomposite generator (hNCG) device. The harvested output of the flexible hNCG reaches up to ≈14 V and ≈4 µA, which is higher than the current levels of even previous piezoceramic film-based flexible energy harvesters. Finite element analysis method simulations study that the outstanding performance of hNCG devices attributes to not only the piezoelectric synergy of well-controlled BT NWs and within P(VDF-TrFE) matrix, but also the effective stress transferability of piezopolymer. As a proof of concept, the flexible hNCG is directly attached to a hand to scavenge energy using a human motion in various biomechanical frequencies for self-powered wearable patch device applications. This research can pave the way for a new approach to high-performance wearable and biocompatible self-sufficient electronics.
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Affiliation(s)
- Chang Kyu Jeong
- Division of Advanced Materials Engineering, Chonbuk National University, 567 Baekje-daero, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Changyeon Baek
- Samsung Electro-Mechanics Co., 150 Maeyeong-ro, Yeongtong-gu, Suwon, Gyeonggi, 16674, Republic of Korea
| | - Angus I Kingon
- School of Engineering, Brown University, Providence, RI, 02912, USA
| | - Kwi-Il Park
- Department of Energy Engineering, Gyeongnam National University of Science and Technology (GNTECH), 33 Dongjin-ro, Jinju, Gyeongnam, 52725, Republic of Korea
| | - Seung-Hyun Kim
- School of Engineering, Brown University, Providence, RI, 02912, USA
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39
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Arab Hassani F, Mogan RP, Gammad GGL, Wang H, Yen SC, Thakor NV, Lee C. Toward Self-Control Systems for Neurogenic Underactive Bladder: A Triboelectric Nanogenerator Sensor Integrated with a Bistable Micro-Actuator. ACS NANO 2018; 12:3487-3501. [PMID: 29630352 DOI: 10.1021/acsnano.8b00303] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Aging, neurologic diseases, and diabetes are a few risk factors that may lead to underactive bladder (UAB) syndrome. Despite all of the serious consequences of UAB, current solutions, the most common being ureteric catheterization, are all accompanied by serious shortcomings. The necessity of multiple catheterizations per day for a physically able patient not only reduces the quality of life with constant discomfort and pain but also can end up causing serious complications. Here, we present a bistable actuator to empty the bladder by incorporating shape memory alloy components integrated on flexible polyvinyl chloride sheets. The introduction of two compression and restoration phases for the actuator allows for repeated actuation for a more complete voiding of the bladder. The proposed actuator exhibits one of the highest reported voiding percentages of up to 78% of the bladder volume in an anesthetized rat after only 20 s of actuation. This amount of voiding is comparable to the common catheterization method, and its one time implantation onto the bladder rectifies the drawbacks of multiple catheterizations per day. Furthermore, the scaling of the device for animal models larger than rats can be easily achieved by adjusting the number of nitinol springs. For neurogenic UAB patients with degraded nerve function as well as degenerated detrusor muscle, we integrate a flexible triboelectric nanogenerator sensor with the actuator to detect the fullness of the bladder. The sensitivity of this sensor to the filling status of the bladder shows its capability for defining a self-control system in the future that would allow autonomous micturition.
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Affiliation(s)
- Faezeh Arab Hassani
- Department of Electrical and Computer Engineering, Faculty of Engineering , National University of Singapore , 4 Engineering Drive 3 , #05-45, Singapore 117583 , Singapore
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
- Center for Intelligent Sensors and MEMS , National University of Singapore , 5 Engineering Drive 1 , E6 #05-11F, Singapore 117608 , Singapore
| | - Roshini P Mogan
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
| | - Gil G L Gammad
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
| | - Hao Wang
- Department of Electrical and Computer Engineering, Faculty of Engineering , National University of Singapore , 4 Engineering Drive 3 , #05-45, Singapore 117583 , Singapore
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
- Center for Intelligent Sensors and MEMS , National University of Singapore , 5 Engineering Drive 1 , E6 #05-11F, Singapore 117608 , Singapore
- Hybrid-Integrated Flexible Electronic Systems (HIFES) Program , National University of Singapore , 5 Engineering Drive 1 , E6 #05-4, Singapore 117608 , Singapore
| | - Shih-Cheng Yen
- Department of Electrical and Computer Engineering, Faculty of Engineering , National University of Singapore , 4 Engineering Drive 3 , #05-45, Singapore 117583 , Singapore
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
| | - Nitish V Thakor
- Department of Electrical and Computer Engineering, Faculty of Engineering , National University of Singapore , 4 Engineering Drive 3 , #05-45, Singapore 117583 , Singapore
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
| | - Chengkuo Lee
- Department of Electrical and Computer Engineering, Faculty of Engineering , National University of Singapore , 4 Engineering Drive 3 , #05-45, Singapore 117583 , Singapore
- Singapore Institute for Neurotechnology , National University of Singapore , 28 Medical Drive , #05-COR, Singapore 117456 , Singapore
- Center for Intelligent Sensors and MEMS , National University of Singapore , 5 Engineering Drive 1 , E6 #05-11F, Singapore 117608 , Singapore
- Hybrid-Integrated Flexible Electronic Systems (HIFES) Program , National University of Singapore , 5 Engineering Drive 1 , E6 #05-4, Singapore 117608 , Singapore
- NUS Graduate School for Integrative Science and Engineering , National University of Singapore , Singapore 117456 , Singapore
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40
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Musa UG, Cezan SD, Baytekin B, Baytekin HT. The Charging Events in Contact-Separation Electrification. Sci Rep 2018; 8:2472. [PMID: 29410440 PMCID: PMC5802787 DOI: 10.1038/s41598-018-20413-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 01/15/2018] [Indexed: 11/08/2022] Open
Abstract
Contact electrification (CE)-charging of surfaces that are contacted and separated, is a common phenomenon, however it is not completely understood yet. Recent studies using surface imaging techniques and chemical analysis revealed a 'spatial' bipolar distribution of charges at the nano dimension, which made a paradigm shift in the field. However, such analyses can only provide information about the charges that remained on the surface after the separation, providing limited information about the actual course of the CE event. Tapping common polymers and metal surfaces to each other and detecting the electrical potential produced on these surfaces 'in-situ' in individual events of contact and separation, we show that, charges are generated and transferred between the surfaces in both events; the measured potential is bipolar in contact and unipolar in separation. We show, the 'contact-charges' on the surfaces are indeed the net charges that results after the separation process, and a large contribution to tribocharge harvesting comes, in fact, from the electrostatic induction resulting from the generated CE charges. Our results refine the mechanism of CE providing information for rethinking the conventional ranking of materials' charging abilities, charge harvesting, and charge prevention.
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Affiliation(s)
- Umar G Musa
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
| | - S Doruk Cezan
- Chemistry Department, Bilkent University, 06800, Ankara, Turkey
| | - Bilge Baytekin
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.
- Chemistry Department, Bilkent University, 06800, Ankara, Turkey.
| | - H Tarik Baytekin
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.
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