A novel high energy density flexible galvanic cell

Peckerar, M.; Dilli, Z.; Dornajafi, Mahsa; Goldsman, N.; Ngu, Yves; Proctor, Robert B.; Krupsaw, Benjamin J.; Löwy, Daniel A.

doi:10.1039/c1ee01075a

Cited by 27 publications

(10 citation statements)

References 24 publications

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“…Wearable electronics are finding applications in sportswear, military uniforms, and medical gowns/bandages . Researchers are currently working to incorporate various electronic components into fabrics, including sensors, energy harvesting systems . communication devices, and they may one day be combined into full garments as depicted in Figure 1 a–c.…”

Section: Introductionmentioning

confidence: 99%

Natural Fiber Welded Electrode Yarns for Knittable Textile Supercapacitors

Jost

Durkin

Haverhals

et al. 2014

Advanced Energy Materials

179

150

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Natural fiber welded (NFW) yarns embedded with porous carbon materials are described for applications as electrodes in textile electrochemical capacitors. With this fabrication technique, many kinds of carbons can be embedded into cellulose based yarns and subsequently knitted into full fabrics on industrial knitting machines. Yarns welded with carbon and stainless steel have device capacitances as high as 37 mF cm‐1, one of the highest reported values for carbon‐based yarns. The versatility of this technique to weld any commercially available cellulose yarn with any micro‐ or nanocarbon means properties can be tuned for specific applications. Most importantly, it is found that despite having full flexibility, increased strength, and good electrochemical performance, not all of the electrode yarns are suitable for knitting. Therefore, it is recommended that all works reporting on fiber/yarn capacitors for wearables attempt processing into full fabrics.

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Section: Introductionmentioning

confidence: 99%

Natural Fiber Welded Electrode Yarns for Knittable Textile Supercapacitors

Jost

Durkin

Haverhals

et al. 2014

Advanced Energy Materials

179

150

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“…These include thin-film, flexible and stretchable batteries and capacitors fabricated using a variety of methods. [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] Electrode inks can be deposited over large areas using dip 24 and blade coating, 17 or over smaller areas by techniques such as dispenser, 20,23,26 stencil, 27 and screen printing. Limiting the electrode thickness to 20-60 lm leads to acceptable power capability and mechanical-stress tolerance during flexing.…”

mentioning

confidence: 99%

A flexible high potential printed battery for powering printed electronics

Gaikwad¹,

Steingart²,

Ng³

et al. 2013

Applied Physics Letters

152

118

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Mechanically flexible arrays of alkaline electrochemical cells fabricated using stencil printing onto fibrous substrates are shown to provide the necessary performance characteristics for driving ink-jet printed circuits. Due to the dimensions and material set currently required for reliable low-temperature print processing of electronic devices, a battery potential greater than that sourced by single cells is typically needed. The developed battery is a series interconnected array of 10 low resistance Zn-MnO2 alkaline cells, giving an open circuit potential of 14 V. This flexible battery is used to power an ink-jet printed 5-stage complementary ring oscillator based on organic semiconductors.

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“…These include thin-film, flexible and stretchable batteries and capacitors, fabricated by using a variety of methods. [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] Inks for electrode productions can be deposited over large areas using blade 24) and dip coating, 30) or over small areas by different techniques such as stencil, 32) dispenser and screen printing. 26,29,33) The aim of an electrode thickness between 20 and 60 µm is described as an acceptable range for power capability and mechanical stress tolerance.…”

Section: Introductionmentioning

confidence: 99%

Printed batteries and conductive patterns in technical textiles

Willert

Meuser

Baumann

2018

Jpn. J. Appl. Phys.

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Various applications of functional devices need a tailored and reliable supply of electrical energy. Batteries are electrochemical systems that deliver energy for functional devices and applications. Due to the common use, several rigid types of batteries have been standardized. To fully integrate the battery into a product that is bendable, free in geometry and less than 1 mm thick, printing of power adaptable batteries is a challenging area of research. Therefore, the well-known zinc-manganese system, which is very promising due to its environmental sustainability and its simplicity, has been used to manufacture battery solutions on a new kind of substrate: technical textiles. Another challenge is the deposition of conductive patterns. At present, embroidery with metallic yarn is the only possibility to provide conducting paths on technical textiles, a time-consuming and elaborate process. Screen printed conductive pathways will generate a new momentum in the manufacturing of conductivity on textiles.

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A novel high energy density flexible galvanic cell

Cited by 27 publications

References 24 publications

Natural Fiber Welded Electrode Yarns for Knittable Textile Supercapacitors

Natural Fiber Welded Electrode Yarns for Knittable Textile Supercapacitors

A flexible high potential printed battery for powering printed electronics

Printed batteries and conductive patterns in technical textiles

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