Sustainable zinc–air battery chemistry: advances, challenges and prospects

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(17), P. 6139 - 6190

Published: Jan. 1, 2023

Sustainable zinc-air batteries (ZABs) are considered promising energy storage devices owing to their inherent safety, high density, wide operating temperature window, environmental friendliness, etc., showing great prospect for future large-scale applications. Thus, tremendous efforts have been devoted addressing the critical challenges associated with sustainable ZABs, aiming significantly improve efficiency and prolong operation lifespan. The growing interest in ZABs requires in-depth research on oxygen electrocatalysts, electrolytes, Zn anodes, which not systematically reviewed date. In this review, fundamentals of electrocatalysts air cathodes, physicochemical properties ZAB issues strategies stabilization anodes summarized from perspective fundamental characteristics design principles. Meanwhile, significant advances situ/operando characterization highlighted provide insights into reaction mechanism dynamic evolution electrolyte|electrode interface. Finally, several thoughts perspectives provided regarding opportunities ZABs. Therefore, review provides a thorough understanding advanced chemistry, hoping that timely comprehensive can shed light upcoming horizons prosperous area.

Language: Английский

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Molten salt technique for the synthesis of carbon-based materials for supercapacitors

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(24), P. 10209 - 10234

Published: Jan. 1, 2023

We provide a comprehensive review of the molten salt strategy for preparation carbon-based materials by highlighting roles played salts. The application these carbons in supercapacitors is also discussed.

Language: Английский

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Graphene aerogel electrodes: A review of synthesis methods for high-performance supercapacitors

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 97, P. 112788 - 112788

Published: July 3, 2024

In recent years, supercapacitors have emerged as one of the promising electrical energy storage alternatives to batteries. It is capability storing and releasing almost without any mechanical chemical deterioration that promises a more sustainable future in industries. Although their diverse advantages, were limited by specific surface area electrodes themselves due nature generally small sizes materials they are made of. This review explores advancements graphene aerogels electrode for supercapacitors, with particular focus on synthesis methods. study highlights considerable technological promise aerogel, providing valuable perspectives progress its different Additionally, it serves roadmap research advancements.

Language: Английский

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The catalytic activity of reduced graphene aerogel anchored with CoFe2O4 spinel via self-assembly technique for enhanced oxygen evolution reaction

Carbon, Journal Year: 2024, Volume and Issue: 219, P. 118847 - 118847

Published: Jan. 22, 2024

Language: Английский

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Biomass-based graphene aerogel for the removal of emerging pollutants from wastewater

Reaction Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 9(4), P. 753 - 776

Published: Jan. 1, 2024

This review article provides a detailed overview of the synthesis techniques biomass-based graphene aerogels and highlights influence fabrication parameters on performance resulting for wastewater treatment applications.

Language: Английский

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Layered double hydroxide-based nanomaterials for supercapacitors and batteries: Strategies and mechanisms

Progress in Materials Science, Journal Year: 2024, Volume and Issue: unknown, P. 101410 - 101410

Published: Dec. 1, 2024

Language: Английский

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Electrothermal Transformations within Graphene-Based Aerogels through High-Temperature Flash Joule Heating

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 146(1), P. 159 - 169

Published: Dec. 30, 2023

Flash Joule heating of highly porous graphene oxide (GO) aerogel monoliths to ultrahigh temperatures is exploited as a low carbon footprint technology engineer functional materials. Aerogel up 3000 K demonstrated for the first time, with fast kinetics (∼300 K·min–1), enabling rapid and energy-efficient flash treatments. The wide applicability ultrahigh-temperature in range material fabrication challenges. Ultrahigh-temperature used graphitic annealing hydrothermal GO aerogels at time scales (30–300 s) substantially reduced energy costs. situ synthesis ultrafine nanoparticles (Pt, Cu, MoO2) embedded within hybrid structure. shockwave approach enables high through-volume uniformity formed nanoparticles, while nanoparticle size can be readily tuned through controlling Joule-heating durations between 1 10 s. As such, introduced here has important implications variety applications graphene-based aerogels, including 3D thermoelectric materials, extreme temperature sensors, catalysts flow (electro)chemistry.

Language: Английский

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NiFe layered double hydroxide (LDH) anchored, Fe single atom and nanoparticle embedded on nitrogen-doped carbon-CNT (carbon nanotube) framework as a bifunctional catalyst for rechargeable zinc-air batteries

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 85, P. 111058 - 111058

Published: Feb. 24, 2024

Language: Английский

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Orange-peel derived carbon-loaded low content ruthenium nanoparticles as ultra-high performance alkaline water HER electrocatalysts

Dalton Transactions, Journal Year: 2023, Volume and Issue: 52(43), P. 15839 - 15847

Published: Jan. 1, 2023

Carbon materials have a very wide range of applications in the field electrocatalysis, both as catalyst bodies and excellent supports for catalysts. In this work, we obtained graphitic-like orange-peel derived carbon (OPC) material through pre-carbonization KOH activation strategies using discarded raw material. OPC has good graphitization characteristics few-layer structure, making it suitable support nanoparticle order to compare performance OPC, used commercial graphene benchmark, made two uniformly loaded with ruthenium nanoparticles under same conditions, HER catalysts (Ru/OPC Ru/rGO). The results indicate that Ru/OPC catalytic alkaline not only superior Ru/rGO, but also surpassing Pt/C. 1 M KOH; overpotential is 3 mV at -10 mA cm-2, greatly exceeding those Ru/rGO (100 mV) Pt/C (31 mV). Under high current density (j), even better; 79 136 -100 cm-2 -200 respectively. More importantly, TOF long-term stability, up 10.62 H2 s-1 an 100 almost no attenuation after 72 h operation -50 cm-2. exhibits acidic significantly Ru/rGO. For Ru/OPC, 86 mV, 167 214 143 253 306

Language: Английский

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The role of graphene aerogels in rechargeable batteries

Advances in Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 331, P. 103249 - 103249

Published: July 17, 2024

Language: Английский

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