Browsing Department of Chemistry by Author "Cao, Vinh Duy"
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Energy Lost in a Hydrogel Osmotic Engine Due to a Pressure Drop
Bui, Tri Quang; Cao, Vinh Duy; Wang, Wei; Nguyen, Thanh Hung; Kjøniksen, Anna-Lena (Journal article; Peer reviewed, 2021)Utilizing hydrogels to harvest salinity gradient energy from solutions of different salinities has recently attracted interest. Polyelectrolyte hydrogels exhibit cyclic swelling/deswelling when alternately exposed to ... -
Osmotic engine converting energy from salinity difference to a hydraulic accumulator by utilizing polyelectrolyte hydrogels
Bui, Tri Quang; Magnussen, Ole-Petter; Cao, Vinh Duy; Wang, Wei; Kjøniksen, Anna-Lena; Aaker, Olav (Journal article; Peer reviewed, 2021)Efficient harvesting of the mixing energy from the salinity gradient between sea and river water remains a challenge. Recently, utilization of the swelling/shrinking properties of hydrogels has been explored as a new means ... -
Recovered Energy from Salinity Gradients Utilizing Various Poly(Acrylic Acid)-Based Hydrogels
Bui, Tri Quang; Cao, Vinh Duy; Wang, Wei; Kjøniksen, Anna-Lena (Journal article; Peer reviewed, 2021-02-22)Hydrogels can be utilized to extract energy from salinity gradients when river water mixes with seawater. Saline-sensitive hydrogels exhibit a reversible swelling/shrinking process when they are, alternately, exposed to ... -
Salinity Gradient Energy from Expansion and Contraction of Poly(allylamine hydrochloride) Hydrogels
Bui, Tri Quang; Cao, Vinh Duy; Do, Nu Bich Duyen; Christoffersen, Trine Eker; Wang, Wei; Kjøniksen, Anna-Lena (Peer reviewed; Journal article, 2018-06-08)Salinity gradients exhibit a great potential for production of renewable energy. Several techniques such as pressure-retarded osmosis and reverse electrodialysis have been employed to extract this energy. Unfortunately, ...