Encapsulating Battery Components with Melting Gels

Klein, Lisa C.; Jitianu, Andrei

doi:10.1002/9781118996652.ch23

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…MGs have been applied in the past as anticorrosive coatings 56−59 and hermetic barriers. 58,60 For this study, we used two MG formulations S1. Although we are unable to measure the droplet sizes with our camera, we can predict the range of sizes extrapolated with eq 1 from prior acetone electrospray data.…”

Section: Introductionmentioning

confidence: 99%

“…The third material was an oligomeric silsesquioxane made by a sol–gel process as described elsewhere. − These “melting gels” (MGs) possess consolidation temperatures, T c 's, between ∼120 and ∼170 °C. MGs have been applied in the past as anticorrosive coatings − and hermetic barriers. , For this study, we used two MG formulations prepared using methyltriethoxysilane (MTES) along with dimethyldiethoxysilane (DMDES) and phenyltriethoxysilane (PhTES), along with dipheynldiethoxysilane (DPhDES). The selected compositions of (mol %) 65%MTES–35%DMDES (65/35) and 87%PhTES–13%DPhDES (87/13) were selected to have a T g below (65/35: −15.7 °C) and above (87/13: 25–30 °C) room temperature and moderate T c ’s (65/35: ∼150 °C, 87/13: ∼135 °C).…”

Section: Introductionmentioning

confidence: 99%

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Obtaining Thickness-Limited Electrospray Deposition for 3D Coating

Lei

Kovacevich

Nitzsche

et al. 2018

ACS Appl. Mater. Interfaces

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Electrospray processing utilizes the balance of electrostatic forces and surface tension within a charged spray to produce charged microdroplets with a narrow dispersion in size. In electrospray deposition, each droplet carries a small quantity of suspended material to a target substrate. Past electrospray deposition results fall into two major categories: (1) continuous spray of films onto conducting substrates and (2) spray of isolated droplets onto insulating substrates. A crossover regime, or a self-limited spray, has only been limitedly observed in the spray of insulating materials onto conductive substrates. In such sprays, a limiting thickness emerges, where the accumulation of charge repels further spray. In this study, we examined the parametric spray of several glassy polymers to both categorize past electrospray deposition results and uncover the critical parameters for thickness-limited sprays. The key parameters for determining the limiting thickness were (1) field strength and (2) spray temperature, related to (i) the necessary repulsive field and (ii) the ability for the deposited materials to swell in the carrier solvent vapor and redistribute charge. These control mechanisms can be applied to the uniform or controllably-varied microscale coating of complex three-dimensional objects.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Obtaining Thickness-Limited Electrospray Deposition for 3D Coating

Lei

Kovacevich

Nitzsche

et al. 2018

ACS Appl. Mater. Interfaces

Self Cite

View full text Add to dashboard Cite

show abstract

“…And the solution to global warming is not to fix the world, it is to fix ourselves.' 13 Nathan, I understand why you feel cynical and misanthropic, but we cannot throw our hands up and simply advocate for terminating ourselves, and acting as though 'human' is a homogeneous category." "Why not?"…”

Section: Climate Pausementioning

confidence: 99%

Horrors of the Great Banal

McMain

Edwards-Schuth

2021

Policy Futures in Education

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The iPhone 62 has just been released. Political gridlock and the governmentally approved process of locking immigrant children in cages continue ad infinitum. Public schools resort to primarily remote learning as pandemic viruses ebb and flow. University students study post-postmodernism on campuses that remain on stolen Indigenous land. In this year of 2071, where humans remain desperately attached to “normalcy,” suffering continues beneath the fear that transformation would surely be devastating. Unknowns horrify privileged communities, eased only by the comfortability of a level of “bad” with which they are at least familiar. The world has settled into the Great Banal, an age of blind faith that tomorrow’s problems can be answered with solutions of yester-today. Written as an “e-seance” Zoom conversation among “ghost-scholars of the future,” we explore the horrors of a future in which the “normalities” of 2021 all persist. This is not a dystopian nightmare in which climate disasters wreak unparalleled havoc on vulnerable communities and new fascist regimes sink their claws into education, nor is it a utopic imagining of a society that has made great bounds toward social-ecological justice. In this seemingly absurd imaginary of no substantial change at all, we draw from (eco)critical, Indigenous, and feminist frameworks to ask: What might education look like in a world that has adamantly resisted radical transformation for fear of the worst, in exchange for all hopes of the best?

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Focused laser spike (FLaSk) thermocapillary patterning of micro/nanostructures

Guzman-Pichardo

Klein

et al. 2019

Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIV

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Encapsulating Battery Components with Melting Gels

Cited by 3 publications

References 16 publications

Obtaining Thickness-Limited Electrospray Deposition for 3D Coating

Obtaining Thickness-Limited Electrospray Deposition for 3D Coating

Horrors of the Great Banal

Focused laser spike (FLaSk) thermocapillary patterning of micro/nanostructures

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