Implantable Energy‐Harvesting Devices

Shi, Bojing; Li, Zhou; Fan, Yubo

doi:10.1002/adma.201801511

Cited by 230 publications

(175 citation statements)

References 105 publications

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“…After centrifugation, the supernatant that was free of solids was used for the 1 NMR studies. [13a] The detailed assignments of the peaks: 1,6-pyrenedione 1 Based on these ratios and the pH effect, a mechanism for the electro-oxidation of pyrene in buffer solution can be proposed according to the mechanism of the oxidative photolysis of pyrene in water. By referring to comprehensively characterized pyrenediones derivatives in the literature, [13] a mixture of 1,6pyrenedione and 1,8-pyrenedione can be identified.…”

Section: Characterization By 1 H-nmr Spectroscopymentioning

confidence: 99%

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Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD‐dependent Glucose Dehydrogenase in Biofuel Cell Anodes

et al. 2019

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A particularly efficient redox mediator for electron transfer between FAD-dependent glucose dehydrogenase (FAD-GDH) and carbon nanotube (CNT) based electrodes can be obtained via electrosynthetic oxidation of pyrene in aqueous buffer solution. 1 H-NMR spectroscopic studies reveal the formation of a 2 : 1 mixture of 1,6-pyrenedione and 1,8-pyrenedione at the electrode. The formed pyrenedione exhibits a well-defined surface-bound redox system at À 0.1 V vs. SCE and provides excellent electron transfer kinetics with this enzyme. Further-more, the π-system of pyrenedione allows improved stacking behavior with the CNT walls, leading to enhanced stabilities compared to commonly used mediators like naphthoquinone. The electrosynthesis of pyrenedione for catalytic glucose oxidation is optimal at pH 2 using cyclic voltammetry or chronoamerometry. It is envisioned that the electrosynthetic methodology can be expanded to form different redox mediators for a series of enzymes.[a] Dr.

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Section: Characterization By 1 H-nmr Spectroscopymentioning

confidence: 99%

“…Enzymatic glucose biofuel cells have gained wide attention due to the possibility to harvest energy out of complex media like body liquids [1] or soft drinks. [2] A further advantage is the ecofriendly character of such power generators for low power consuming disposable devices.…”

Section: Introductionmentioning

confidence: 99%

Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD‐dependent Glucose Dehydrogenase in Biofuel Cell Anodes

et al. 2019

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“…[221][222][223][224][225][226] In this section, we first present the existing energy harvesting strategies that have been applied to charge stretchable supercapacitors in health monitoring devices. The successful utilization of stretchable supercapacitors in health monitoring bioelectronics normally requires feasible integration of self-charging unit for energy harvesting and sensing unit for functional element into a single device.…”

Section: Integrated Bioelectronics With Stretchable Supercapacitorsmentioning

confidence: 99%

Stretchable Supercapacitors as Emergent Energy Storage Units for Health Monitoring Bioelectronics

Chen

Villa

Zhuang

et al. 2019

Advanced Energy Materials

103

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Emerging health monitoring bioelectronics require energy storage units with improved stretchability, biocompatibility, and self‐charging capability. Stretchable supercapacitors hold great potential for such systems due to their superior specific capacitances, power densities, and tissue‐conforming properties, as compared to both batteries and conventional capacitors. Despite the rapid progress that has been made in supercapacitor research, practical applications in health monitoring bioelectronics have yet to be achieved, requiring innovations in materials, device configurations, and fabrications tailored for such applications. In this review, the progress in stretchable supercapacitor‐powered health monitoring bioelectronics is summarized and the required specifications of supercapacitors for different types of application settings with varying demands on biocompatibility are discussed, including nontouching wearables, skin‐touching wearables, skin‐conforming wearables, and implantables. The perspective of this review is then broadened to focus on integration of stretchable supercapacitors in bioelectronics and aspects of energy harvesting and sensing. Finally further insights on the existing challenges in this developing field and potential solutions are provided.

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“…In the effort to overcome the challenges mentioned above, the ion‐conductive polymer electrolytes (PEs) have been identified to be a type of electrolytes for ZIBs with improved electrochemical performance, which can effectively suppress the growth of Zn dendrites and alleviate the dissolution of active materials due to their limited water content. On the other hand, the flexible PEs show important advantages in the field of wearable and biocompatible applications 53–56. Therefore, as a type of alternatives for aqueous electrolytes, PEs can not only prevent leakage of liquid, but also be used as separators, which contributes to a simple fabrication and enables flexible property for ZIBs.…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Polymer Electrolytes for Zinc Ion Batteries: Mechanisms, Properties, and Perspectives

Huang

et al. 2020

Advanced Energy Materials

357

240

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Aqueous rechargeable zinc ion batteries (ZIBs) have been deemed to be possible candidates for large‐scale energy storage due to their ecoefficiency, substantial reserve, safety, and low cost. However, the challenges inherent in aqueous electrolytes, such as water splitting reactions, water evaporation, and liquid leakage, have greatly hindered their development in energy storage. Fortunately, polymer electrolytes would be able to overcome the abovementioned challenges. Moreover, the flexible properties of polymer electrolytes can facilitate their future application in wearable electronics. Recently, increasing attention has been attracted to the polymer electrolyte‐based zinc ion batteries. However, the development of polymer electrolytes for ZIBs is still in the early stages due to numerous challenges. Therefore, substantial research effort is required to overcome the challenges of polymer electrolyte‐based ZIBs. In this review, the current progress in developing polymer electrolytes, including solid polymer electrolytes, gel polymer electrolytes, and hybrid polymer electrolytes, as well as the interactions between electrodes and polymer electrolytes for ZIBs is comprehensively reviewed, analyzed, and discussed in terms of their synthesis, characterization, and performance validation. To facilitate further research and development of polymer electrolytes for ZIBs, the relevant challenges are summarized and analyzed, and some underlying approaches to overcome these challenges are also proposed.

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Implantable Energy‐Harvesting Devices

Cited by 230 publications

References 105 publications

Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD‐dependent Glucose Dehydrogenase in Biofuel Cell Anodes

Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD‐dependent Glucose Dehydrogenase in Biofuel Cell Anodes

Stretchable Supercapacitors as Emergent Energy Storage Units for Health Monitoring Bioelectronics

Recent Advances in Polymer Electrolytes for Zinc Ion Batteries: Mechanisms, Properties, and Perspectives

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