Flexible photovoltaic power systems: integration opportunities, challenges and advances

Ostfeld, Aminy E.; Arias, Ana Claudia

doi:10.1088/2058-8585/aa5750

Cited by 43 publications

(27 citation statements)

References 220 publications

(331 reference statements)

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“…In addition, ability to wear the devices directly on the skin can enable continuous monitoring of metabolites in bodily fluids like sweat . Standalone operation of such electronic systems cannot be realized without power source, such as a battery . If the battery is not equally compliant, it will negate the advantages of these flexible devices.…”

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confidence: 99%

Electrode Composite for Flexible Zinc–Manganese Dioxide Batteries through In Situ Polymerization of Polymer Hydrogel

et al. 2019

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It remains important to maximize energy density of wearable batteries. In addition, such batteries should be compliant, safe, and environmentally sustainable. Intrinsically safe zinc–manganese dioxide (Zn/MnO2) batteries are great candidates for powering wearables. However, achieving flexibility of these systems is hindered by the absence of a binder that ensures mechanical integrity of the MnO2 electrode composite. Herein, a unique approach to fabricate a mechanically robust MnO2 electrode is presented. Polyvinyl alcohol (PVA)/polyacrylic acid (PAA) gel cross‐linked in situ via thermal treatment is used as a binder for the electrode. Furthermore, energy density and rate capability of the printed battery electrodes are improved by replacing graphite with single‐walled carbon nanotubes (CNTs). The batteries retain 93% capacity when the discharge rate is increased from C/10 to C/3, as well as 97% of their capacity after being flexed. In contrast, batteries based on conventional composition retain 60% and 23% of the capacity, respectively. Finally, the battery with the modified electrode has high areal energy density of 4.8 mWh cm−2 and volumetric energy density of 320 mWh cm−3.

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confidence: 99%

Electrode Composite for Flexible Zinc–Manganese Dioxide Batteries through In Situ Polymerization of Polymer Hydrogel

et al. 2019

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“…Flexible displays or solar cells are required for wearable electronic systems, but the conventional transparent conductor, ITO, is brittle. Highly conductive PEDOT:PSS have been extensively investigated to substitute ITO as the transparent electrode of flexible organic light‐emitting diodes (OLEDs), organic solar cells, perovskite solar cells, and electrochromic devices …”

Section: Intrinsically Conductive Polymers For Flexible/stretchable Ementioning

confidence: 99%

Soft Electronically Functional Polymeric Composite Materials for a Flexible and Stretchable Digital Future

2018

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Flexible/stretchable electronic devices and systems are attracting great attention because they can have important applications in many areas, such as artificial intelligent (AI) robotics, brain-machine interfaces, medical devices, structural and environmental monitoring, and healthcare. In addition to the electronic performance, the electronic devices and systems should be mechanically flexible or even stretchable. Traditional electronic materials including metals and semiconductors usually have poor mechanical flexibility and very limited elasticity. Three main strategies are adopted for the development of flexible/stretchable electronic materials. One is to use organic or polymeric materials. These materials are flexible, and their elasticity can be improved through chemical modification or composition formation with plasticizers or elastomers. Another strategy is to exploit nanometer-scale materials. Many inorganic materials in nanometer sizes can have high flexibility. They can be stretchable through the composition formation with elastomers. Ionogels can be considered as the third type of materials because they can be stretchable and ionically conductive. This article provides the recent progress of soft functional materials development including intrinsically conductive polymers for flexible/stretchable electrodes, and thermoelectric conversion and polymer composites for large area, flexible stretchable electrodes, and tactile sensors.

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“…Emerging PV technologies are considered as an alternative to c‐Si for the applications where light weight, flexibility, low‐light performance, or esthetics considerations are valued. Examples of such applications include building‐integrated PV (façades, windows, rooftops), automotive (vehicle integration), or internet‐of‐things (autonomous sensors, Industry 4.0) . Module efficiencies of already 10%, when combined with additional offerings (new value propositions), could potentially provide commercially viable solutions for some of these applications, subjected to all other economic considerations …”

Section: Introductionmentioning

confidence: 99%

Industrial Opportunities and Challenges for Perovskite Photovoltaic Technology

2019

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Perovskite solar cell technology is fast approaching its first commercial deployment, with the 10‐year mark since the first research having passed recently. Commercial entrance seems very tangible, but there are a number of remaining challenges related to various economic and technical factors. Conventional photovoltaic markets, such as utility scale photovoltaics, are quite rigid and very demanding for a new entrant. Perovskites offer several new value propositions, which offer monetization prospects in the near future, if properly used. In particular, functionalities such as flexibility, high specific power, and good low‐light performance enable new applications and broadening of the conventional PV usage. The specific cases of internet of things and building‐integrated photovoltaics are discussed, and market opportunities are analyzed. Technology incubation with simultaneous market presence in emerging applications can provide essential economic stability and time for the technology to develop into its full potential. Opportunities in high‐value markets and massive‐scale deployment are also addressed, with the analysis of potentially disruptive offerings being promised by perovskite photovoltaic technology.

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Flexible photovoltaic power systems: integration opportunities, challenges and advances

Cited by 43 publications

References 220 publications

Electrode Composite for Flexible Zinc–Manganese Dioxide Batteries through In Situ Polymerization of Polymer Hydrogel

Electrode Composite for Flexible Zinc–Manganese Dioxide Batteries through In Situ Polymerization of Polymer Hydrogel

Soft Electronically Functional Polymeric Composite Materials for a Flexible and Stretchable Digital Future

Industrial Opportunities and Challenges for Perovskite Photovoltaic Technology

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