Talk:Hydrogel

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Please update: the section "Research"[edit]

Please update the section #Research. I tried adding a study featured in 2022 in science but it was reverted and arguably rightly so e.g. as other necessary content is missing there (before this would be due) or because it should have been added using more refs (some of which you can find below).

One field that is notable and missing is the use of hydrogels in sustainable energy and atmospheric water generators. Please see the paragraph about both of these in combination at Atmospheric water generator#Power:

This section is an excerpt from Atmospheric water generator § Power.[edit]
The minimum energy for atmospheric water harvesting [1]

Unless the air is super-saturated with vapor, an energy input is required to harvest water from the atmosphere. The energy required is a strong function of the humidity and temperature. It can be calculated using Gibbs free energy.

Potable water can be generated by rooftop solar hydropanels using solar power and solar heat.[2][3][4]

Hydrogels can be used to capture moisture (e.g. at night in a desert) to cool solar panels[5] or to produce fresh water[6][7] – including for irrigating crops as demonstrated in solar panel integrated systems where these have been enclosed next to[8][9] or beneath the panels within the system.[10][11][12][13][14][15]

One study reported that such devices could help provide potable water to one billion people, although off-the-grid generation could "undermine efforts to develop permanent piped infrastructure".[16][17][18]

For sustainable energy in general / without AWGs, also see this review: [19]

There may be more advanced notable fields / applications that are missing there other than sustainable energy and AWGs.

Prototyperspective (talk) 13:41, 28 April 2022 (UTC)[reply]

Another field that may be notable are (I'd suggest a brief mention, maybe even shorter than the sentence below):

Multilayer robotic tactile sensor hydrogel-based robot e-skins.[20][21]

--Prototyperspective (talk) 09:37, 4 August 2022 (UTC)[reply]

References

  1. ^ Rao, Akshay K.; Fix, Andrew J.; Yang, Yun Chi; Warsinger, David M. (2022). "Thermodynamic limits of atmospheric water harvesting". Energy & Environmental Science. 15 (10). Royal Society of Chemistry (RSC): 4025–4037. doi:10.1039/d2ee01071b. ISSN 1754-5692. S2CID 252252878.
  2. ^ "New rooftop solar hydro panels harvest drinking water and energy at the same time". 29 November 2017. Retrieved 2017-11-30.
  3. ^ LaPotin, Alina; Zhong, Yang; Zhang, Lenan; Zhao, Lin; Leroy, Arny; Kim, Hyunho; Rao, Sameer R.; Wang, Evelyn N. (20 January 2021). "Dual-Stage Atmospheric Water Harvesting Device for Scalable Solar-Driven Water Production". Joule. 5 (1): 166–182. doi:10.1016/j.joule.2020.09.008. ISSN 2542-4785. S2CID 225118164.
    News article: "Solar-powered system extracts drinkable water from 'dry' air". Massachusetts Institute of Technology. Retrieved 28 April 2022.
  4. ^ "Rain fed solar-powered water purification systems". Retrieved 21 October 2017.
  5. ^ "Hydrogel helps make self-cooling solar panels". Physics World. 12 June 2020. Retrieved 28 April 2022.
  6. ^ Youhong Guo; W. Guan; C. Lei; H. Lu; W. Shi; Guihua Yu (2022). "Scalable super hygroscopic polymer films for sustainable moisture harvesting in arid environments". Nature Communications. 13 (1): 2761. Bibcode:2022NatCo..13.2761G. doi:10.1038/s41467-022-30505-2. PMC 9120194. PMID 35589809. S2CID 248917548.
  7. ^ Shi, Ye; Ilic, Ognjen; Atwater, Harry A.; Greer, Julia R. (14 May 2021). "All-day fresh water harvesting by microstructured hydrogel membranes". Nature Communications. 12 (1): 2797. Bibcode:2021NatCo..12.2797S. doi:10.1038/s41467-021-23174-0. ISSN 2041-1723. PMC 8121874. PMID 33990601. S2CID 234596800.
  8. ^ "Self-contained SmartFarm grows plants using water drawn from the air". New Atlas. 15 April 2021. Retrieved 28 April 2022.
  9. ^ Yang, Jiachen; Zhang, Xueping; Qu, Hao; Yu, Zhi Gen; Zhang, Yaoxin; Eey, Tze Jie; Zhang, Yong-Wei; Tan, Swee Ching (October 2020). "A Moisture-Hungry Copper Complex Harvesting Air Moisture for Potable Water and Autonomous Urban Agriculture". Advanced Materials. 32 (39): 2002936. Bibcode:2020AdM....3202936Y. doi:10.1002/adma.202002936. ISSN 0935-9648. PMID 32743963. S2CID 220946177.
  10. ^ "These solar panels pull in water vapor to grow crops in the desert". Cell Press. Retrieved 18 April 2022.
  11. ^ Ravisetti, Monisha. "New Solar Panel Design Uses Wasted Energy to Make Water From Air". CNET. Retrieved 28 April 2022.
  12. ^ "Strom und Wasser aus Sonne und Wüstenluft". scinexx | Das Wissensmagazin (in German). 2 March 2022. Retrieved 28 April 2022.
  13. ^ "Hybrid system produces electricity and irrigation water in the desert". New Atlas. 1 March 2022. Retrieved 28 April 2022.
  14. ^ Schank, Eric (8 March 2022). "Turning the desert green: this solar panel system makes water (and grows food) out of thin air". Salon. Retrieved 28 April 2022.
  15. ^ Li, Renyuan; Wu, Mengchun; Aleid, Sara; Zhang, Chenlin; Wang, Wenbin; Wang, Peng (16 March 2022). "An integrated solar-driven system produces electricity with fresh water and crops in arid regions". Cell Reports Physical Science. 3 (3): 100781. Bibcode:2022CRPS....300781L. doi:10.1016/j.xcrp.2022.100781. hdl:10754/676557. ISSN 2666-3864. S2CID 247211013.
  16. ^ Yirka, Bob. "Model suggests a billion people could get safe drinking water from hypothetical harvesting device". Tech Xplore. Retrieved 15 November 2021.
  17. ^ "Solar-powered harvesters could produce clean water for one billion people". Physics World. 13 November 2021. Retrieved 15 November 2021.
  18. ^ Lord, Jackson; Thomas, Ashley; Treat, Neil; Forkin, Matthew; Bain, Robert; Dulac, Pierre; Behroozi, Cyrus H.; Mamutov, Tilek; Fongheiser, Jillia; Kobilansky, Nicole; Washburn, Shane; Truesdell, Claudia; Lee, Clare; Schmaelzle, Philipp H. (October 2021). "Global potential for harvesting drinking water from air using solar energy". Nature. 598 (7882): 611–617. Bibcode:2021Natur.598..611L. doi:10.1038/s41586-021-03900-w. ISSN 1476-4687. PMC 8550973. PMID 34707305. S2CID 238014057.
  19. ^ Guo, Youhong; Bae, Jiwoong; Fang, Zhiwei; Li, Panpan; Zhao, Fei; Yu, Guihua (12 August 2020). "Hydrogels and Hydrogel-Derived Materials for Energy and Water Sustainability". Chemical Reviews. 120 (15): 7642–7707. doi:10.1021/acs.chemrev.0c00345. ISSN 0009-2665.
  20. ^ Yirka, Bob. "Biomimetic elastomeric robot skin has tactile sensing abilities". techxplore.com. Retrieved 23 July 2022.
  21. ^ Park, K.; Yuk, H.; Yang, M.; Cho, J.; Lee, H.; Kim, J. (8 June 2022). "A biomimetic elastomeric robot skin using electrical impedance and acoustic tomography for tactile sensing". Science Robotics. 7 (67): eabm7187. doi:10.1126/scirobotics.abm7187. ISSN 2470-9476. PMID 35675452. S2CID 249520303. {{cite journal}}: |url-access= requires |url= (help)

cryogel[edit]

Please open a new article about cryogels. 31.206.143.179 (talk) 10:34, 26 January 2024 (UTC)[reply]

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