From plastic waste to polymer electrolytes for batteries through chemical upcycling of polycarbonate

Saito, Keita; Jehanno, Coralie; Meabe, Leire; Olmedo‐Martínez, Jorge L.; Mecerreyes, David; Fukushima, Kazuki; Sardón, Haritz

doi:10.1039/d0ta03374j

Cited by 75 publications

(68 citation statements)

References 32 publications

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“…In order to depolymerize PCs to BPA and different carbonates, transesterification depolymerization was carried out in the presence of different aliphatic diols used as nucleophiles and a catalytic system, 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) and methane sulfonic acid (MSA) (i. e., TBD/MSA in 1 : 1 ratio). [197] Several aliphatic diols were used for this study, such as 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol. The linear carbonatecontaining diols obtained by this method were separated from BPA and then taken forward to produce aliphatic PCs and used as polymer electrolytes in lithium batteries.…”

Section: Polycarbonatementioning

confidence: 99%

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

et al. 2021

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Plastic waste, which is one of the major sources of pollution in the landfills and oceans, has raised global concern, primarily due to the huge production rate, high durability, and the lack of utilization of the available waste management techniques. Recycling methods are preferable to reduce the impact of plastic pollution to some extent. However, most of the recycling techniques are associated with different drawbacks, high cost and downgrading of product quality being among the notable ones. The sustainable option here is to upcycle the plastic waste to create high-value materials to compensate for the cost of production. Several upcycling techniques are constantly being investigated and explored, which is currently the only economical option to resolve the plastic waste issue. This Review provides a comprehensive insight on the promising chemical routes available for upcycling of the most widely used plastic and mixed plastic wastes. The challenges inherent to these processes, the recent advances, and the significant role of the science and research community in resolving these issues are further emphasized.

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Section: Polycarbonatementioning

confidence: 99%

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

et al. 2021

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“…Sardon and co-workers employed linear diols to depolymerize the PC plastic wastes into the monomer BPA and carbonate-containing diols at 160°C under N 2 with 1,5,7triazabicyclo[4.4.0]dec-5-ene (TBD) and methane sulfonic acid (MSA) as the catalyst. [103] The obtained carbonate-containing diols were further upgraded into new materials of valuable aliphatic polycarbonates (APC), which displayed excellent properties to be applied as renewable polymer electrolytes for solid-state batteries. Following this, the same group adopted this organocatalytic procedure to produce functionalized cyclic carbonates from PC wastes under similar conditions.…”

Section: Solvolysismentioning

confidence: 99%

Recent Progress in the Chemical Upcycling of Plastic Wastes

2021

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The massive generation of plastic wastes without satisfactory treatment has induced severe environmental problems and gained increasing attentions. In this Minireview, recent progresses in the chemical upcycling of plastic wastes by using various methods (mainly in the past three to five years) is summarized. The chemical upcycling of plastic wastes points out a "plastic-based refinery" concept, which is to use the plastic wastes as platform feedstocks to produce highly valuable monomeric or oligomeric compounds, putting the plastic wastes back into a circular economy. The different chemical methods to upcycle plastic wastes, including hydrogenolysis, photocatalysis, pyrolysis, solvolysis, and others, are introduced in each section to valorize diverse plastic feedstocks into value-added chemicals, materials, or fuels. In addition, other emerging technologies as well as the new generation of plastic thermosets are covered.

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“…It is noteworthy that the bismethacrylic monomer was also isolated in 9% yield using the reported portocol. 1 H NMR (300 MHz, DMSO-d6, δ): 8.11 (m, 4H, Ar), 6.03 (dd, 1H, C = C-Ha), 5.68 (dd, 1H, C = C-Hb), 4.95 (t, 1H,OH), 4.58 (m, 2H, Ar-COO-CH2), 4.46 (m, 2H Ar-COO-CH2-CH2), 4.32 (t, 2H, CH2-CH2-OH), 3.72 (q, 2H, CH2-OH), 1,86 (dd, 3H CH3). 13…”

Section: Monomer Synthesismentioning

confidence: 99%

“…The use of plastic waste to develop high value-added materials, known also as chemical-upcycling, is seen nowadays as an interesting strategy to promote more sustainable materials [1]. Indeed, the world plastic consumption has increased to 359 million metric tons in 2018, of which almost 50% of these plastics are used for short-term applications [2].…”

Section: Introductionmentioning

confidence: 99%

Chemical Upcycling of PET Waste towards Terephthalate Redox Nanoparticles for Energy Storage

Goujon

Demarteau

Pariza

et al. 2021

Sustainable Chemistry

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Over 30 million ton of poly(ethylene terephthalate) (PET) is produced each year and no more than 60% of all PET bottles are reclaimed for recycling due to material property deteriorations during the mechanical recycling process. Herein, a sustainable approach is proposed to produce redox-active nanoparticles via the chemical upcycling of poly(ethylene terephthalate) (PET) waste for application in energy storage. Redox-active nanoparticles of sizes lower than 100 nm were prepared by emulsion polymerization of a methacrylic-terephthalate monomer obtained by a simple methacrylate functionalization of the depolymerization product of PET (i.e., bis-hydroxy(2-ethyl) terephthalate, BHET). The initial cyclic voltammetry results of the depolymerization product of PET used as a model compound show a reversible redox process, when using a 0.1 M tetrabutylammonium hexafluorophosphate/dimethyl sulfoxide electrolyte system, with a standard redox potential of −2.12 V vs. Fc/Fc+. Finally, the cycling performance of terephthalate nanoparticles was investigated using a 0.1 M TBAPF6 solution in acetonitrile as electrolyte in a three-electrode cell. The terephthalate anode electrode displays good cycling stability and performance at high C-rate (i.e., ≥5C), delivering a stable specific discharge capacity of 32.8 mAh.g−1 at a C-rate of 30 C, with a capacity retention of 94% after 100 cycles. However, a large hysteresis between the specific discharge and charge capacities and capacity fading are observed at lower C-rate (i.e., ≤2C), suggesting some irreversibility of redox reactions associated with the terephthalate moiety, in particular related to the oxidation process.

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From plastic waste to polymer electrolytes for batteries through chemical upcycling of polycarbonate

Abstract:
The depolymerisation of BPA-PC in the presence of diols enables its upcycling into BPA monomers and carbonate-containing diols which can be polymerised into aliphatic PCs as promising electrolytes for energy storage applications.

Cited by 75 publications

References 32 publications

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

Recent Progress in the Chemical Upcycling of Plastic Wastes

Chemical Upcycling of PET Waste towards Terephthalate Redox Nanoparticles for Energy Storage

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From plastic waste to polymer electrolytes for batteries through chemical upcycling of polycarbonate

Abstract: The depolymerisation of BPA-PC in the presence of diols enables its upcycling into BPA monomers and carbonate-containing diols which can be polymerised into aliphatic PCs as promising electrolytes for energy storage applications.

Cited by 75 publications

References 32 publications

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

Strategic Approach Towards Plastic Waste Valorization: Challenges and Promising Chemical Upcycling Possibilities

Recent Progress in the Chemical Upcycling of Plastic Wastes

Chemical Upcycling of PET Waste towards Terephthalate Redox Nanoparticles for Energy Storage

Contact Info

Product

Resources

About

Abstract:
The depolymerisation of BPA-PC in the presence of diols enables its upcycling into BPA monomers and carbonate-containing diols which can be polymerised into aliphatic PCs as promising electrolytes for energy storage applications.