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Zhang FW, Trackey PD, Verma V, Mandes GT, Calabro RL, Presot AW, Tsay CK, Lawton TJ, Zammit AS, Tang EM, Nguyen AQ, Munz KV, Nagelli EA, Bartolucci SF, Maurer JA, Burpo FJ. Cellulose Nanofiber-Alginate Biotemplated Cobalt Composite Multifunctional Aerogels for Energy Storage Electrodes. Gels 2023; 9:893. [PMID: 37998983 PMCID: PMC10671317 DOI: 10.3390/gels9110893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023] Open
Abstract
Tunable porous composite materials to control metal and metal oxide functionalization, conductivity, pore structure, electrolyte mass transport, mechanical strength, specific surface area, and magneto-responsiveness are critical for a broad range of energy storage, catalysis, and sensing applications. Biotemplated transition metal composite aerogels present a materials approach to address this need. To demonstrate a solution-based synthesis method to develop cobalt and cobalt oxide aerogels for high surface area multifunctional energy storage electrodes, carboxymethyl cellulose nanofibers (CNF) and alginate biopolymers were mixed to form hydrogels to serve as biotemplates for cobalt nanoparticle formation via the chemical reduction of cobalt salt solutions. The CNF-alginate mixture forms a physically entangled, interpenetrating hydrogel, combining the properties of both biopolymers for monolith shape and pore size control and abundant carboxyl groups that bind metal ions to facilitate biotemplating. The CNF-alginate hydrogels were equilibrated in CaCl2 and CoCl2 salt solutions for hydrogel ionic crosslinking and the prepositioning of transition metal ions, respectively. The salt equilibrated hydrogels were chemically reduced with NaBH4, rinsed, solvent exchanged in ethanol, and supercritically dried with CO2 to form aerogels with a specific surface area of 228 m2/g. The resulting aerogels were pyrolyzed in N2 gas and thermally annealed in air to form Co and Co3O4 porous composite electrodes, respectively. The multifunctional composite aerogel's mechanical, magnetic, and electrochemical functionality was characterized. The coercivity and specific magnetic saturation of the pyrolyzed aerogels were 312 Oe and 114 emu/gCo, respectively. The elastic moduli of the supercritically dried, pyrolyzed, and thermally oxidized aerogels were 0.58, 1.1, and 14.3 MPa, respectively. The electrochemical testing of the pyrolyzed and thermally oxidized aerogels in 1 M KOH resulted in specific capacitances of 650 F/g and 349 F/g, respectively. The rapidly synthesized, low-cost, hydrogel-based synthesis for tunable transition metal multifunctional composite aerogels is envisioned for a wide range of porous metal electrodes to address energy storage, catalysis, and sensing applications.
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Affiliation(s)
- Felita W. Zhang
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Paul D. Trackey
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Vani Verma
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Galen T. Mandes
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Rosemary L. Calabro
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - Anthony W. Presot
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Claire K. Tsay
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Timothy J. Lawton
- U.S. Army Combat Capabilities Development Command-Soldier Center, Natick, MA 01760, USA;
| | - Alexa S. Zammit
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Edward M. Tang
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Andrew Q. Nguyen
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Kennedy V. Munz
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Enoch A. Nagelli
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- Photonics Research Center, United States Military Academy, West Point, NY 10996, USA
| | - Stephen F. Bartolucci
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - Joshua A. Maurer
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - F. John Burpo
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- Photonics Research Center, United States Military Academy, West Point, NY 10996, USA
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Wang C, Eisenreich F, Tomović Ž. Closed-Loop Recyclable High-Performance Polyimine Aerogels Derived from Bio-Based Resources. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209003. [PMID: 36495005 DOI: 10.1002/adma.202209003] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Organic aerogels are an intriguing class of highly porous and ultralight materials which have found widespread applications in thermal insulation, energy storage, and chemical absorption. These fully cross-linked polymeric networks, however, pose environmental concerns as they are typically made from fossil-based feedstock and the recycling back to their original monomers is virtually impossible. In addition, organic aerogels suffer from low thermal stability and potential fire hazard. To overcome these obstacles and create next-generation organic aerogels, a set of polyimine aerogels containing reversible chemical bonds which can selectively be cleaved on demand is prepared. As precursors, different primary amines and cyclophosphazene derivatives made from bio-based reagents (vanillin and 4-hydroxybenzaldehyde) to elevate the thermal stability and reduce the environmental impact are used. The resulting polyimine aerogels exhibit low shrinkage, high porosity, large surface area, as well as pronounced thermal stability and flame resistance. More importantly, the aerogels show excellent recyclability under acidic conditions with high monomer recovery yields and purities. This approach allows for preparation of fresh aerogels from the retrieved building blocks, thus demonstrating efficient closed-loop recycling. These high-performance, recyclable, and bio-based polyimine aerogels pave the way for advanced and sustainable superinsulating materials.
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Affiliation(s)
- Changlin Wang
- Polymer Performance Materials Group, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, MB, 5600, The Netherlands
| | - Fabian Eisenreich
- Polymer Performance Materials Group, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, MB, 5600, The Netherlands
| | - Željko Tomović
- Polymer Performance Materials Group, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, MB, 5600, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, MB, 5600, The Netherlands
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Sun Y, Li Y, Chen B, Wang M, Zhang Y, Chen K, Du Q, Wang Y, Pi X. Methylene Blue Removed from Aqueous Solution by Encapsulation of Bentonite Aerogel Beads with Cobalt Alginate. ACS OMEGA 2022; 7:41246-41255. [PMID: 36406510 PMCID: PMC9670690 DOI: 10.1021/acsomega.2c04904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
It can be difficult to remove dark methylene blue (MB) from water effectively. The use of sodium alginate and bentonite (Ben) as the matrix produced a displacement reaction that occurred in cobalt chloride, which allowed Ben to be successfully encapsulated in cobalt alginate (CA). Finally, a vacuum freeze-drying method was used to prepare a low-cost composite of CA/Ben aerogel for adsorbing MB in aqueous solutions. In addition to scanning electron microscopy, thermogravimetric analysis, and Fourier transform infrared spectroscopy, the composites were also characterized and analyzed. Different adsorption experiments were conducted in order to determine the effects of dosage, pH, adsorption time, and temperature on the adsorption performance of the adsorbent. According to the results of the experiment, the adsorption capacity of CA/Ben aerogel was 258.92 mg·g-1, and the pseudo-first-order kinetic model and Freundlich isotherm model can fully explain the adsorption process of MB on this aerogel. The composite material reported in this paper is easily recycled, and the removal rate reaches 65% after four times of recycling. Moreover, compared with other adsorbents, the composite material of the invention is highly environmentally friendly and has a simple preparation process. A large-scale application of this technology is the removal of dyes from water on a large scale.
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Affiliation(s)
- Yaohui Sun
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Yanhui Li
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
- State
Key Laboratory of Bio-fibers and Eco-textiles, College of Mechanical
and Electrical Engineering, Qingdao University, Qingdao266071, China
| | - Bing Chen
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Mingzhen Wang
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Yang Zhang
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Kewei Chen
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Qiuju Du
- State
Key Laboratory of Bio-fibers and Eco-textiles, College of Mechanical
and Electrical Engineering, Qingdao University, Qingdao266071, China
| | - Yuqi Wang
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
| | - Xinxin Pi
- College
of Mechanical and Electrical Engineering, Qingdao University, 308 Ningxia Road, Qingdao266071, China
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