A manganese oxide/biomass porous carbon composite for high-performance supercapacitor electrodes

Article Environmental Sciences

Biomass derived functional carbon materials for supercapacitor applications

Shivam Rawat et al.

Summary: This review summarizes the preparation methods of biomass-derived carbon materials and discusses their applications in supercapacitor electrodes, along with the associated challenges and perspectives.

CHEMOSPHERE (2022)

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Article Energy & Fuels

A Comprehensive Review on Supercapacitor Applications and Developments

Mustafa Ergin Sahin et al.

Summary: This paper provides a comprehensive review of the applications and developments of supercapacitors (SC), including the historical results, structure, working principle, and materials of SC. The advantages, disadvantages, and market profile of SC are also investigated, along with their applications in electric vehicles, power systems, and hybrid energy storage systems.

ENERGIES (2022)

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Article Chemistry, Multidisciplinary

Application of the Supercapacitor for Energy Storage in China: Role and Strategy

Yanchun Yang et al.

Summary: This paper introduces the extensive application of supercapacitors in China and their potential development opportunities. By comparing the differences of different types of supercapacitors and electrochemical hybrid energy storage technology, it provides a detailed overview of their application status in smart grid and Energy Internet, and puts forward some suggestions to solve existing problems.

APPLIED SCIENCES-BASEL (2022)

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Review Energy & Fuels

Supercapattery: Merging of battery-supercapacitor electrodes for hybrid energy storage devices

Muhammad Zahir Iqbal et al.

Summary: Supercapattery devices have attracted attention for their high specific energy without compromising specific power, and utilizes advanced materials for improved performance. However, challenges remain in increasing energy density without affecting power density.

JOURNAL OF ENERGY STORAGE (2022)

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Article Nanoscience & Nanotechnology

Highly Oriented Carbon Nanotube Supercapacitors

Kohei Komatsubara et al.

Summary: This study presents a flexible supercapacitor with highly oriented carbon nanotube sheets, demonstrating high durability and over 99.9% capacitance retention after 50,000 bending cycles. The orientation angle of the carbon nanotube sheets with respect to the current flow direction was found to be crucial in determining the performance of the supercapacitors, with sheets oriented in the current flow direction showing higher scan rate and robustness. Well-designed flexible and durable carbon nanotube supercapacitors have the potential to greatly enhance the performance of future flexible devices.

ACS APPLIED NANO MATERIALS (2022)

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Article Electrochemistry

Disentangling faradaic, pseudocapacitive, and capacitive charge storage: A tutorial for the characterization of batteries, supercapacitors, and hybrid systems

T. Schoetz et al.

Summary: Today's electrochemical energy storage technologies aim to combine high specific energy and power, as well as long cycle life, into one system. To achieve this, researchers need to understand and control the co-existence of multiple charge storage mechanisms. This tutorial review provides a comprehensive guide to defining, clarifying, and discussing the faradaic, capacitive, and pseudocapacitive mechanisms, as well as strategies for disentangling them, in order to advance the research of hybrid energy storage systems.

ELECTROCHIMICA ACTA (2022)

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Review Green & Sustainable Science & Technology

Carbon material/MnO2 as conductive skeleton for supercapacitor electrode material: A review

Tian Yue et al.

Summary: Supercapacitors, a new type of energy storage device, have attracted widespread attention in the field of energy and the environment. Composites based on carbon material/MnO2 have become a hotspot in electrode materials for supercapacitors, and the introduction of a third material can further enhance the properties of the composites. This paper provides a review and analysis of binary and ternary composites of carbon material/MnO2 and their applications, highlighting the need for a superposition of different dimensions and an optimum capacitive balance index for excellent performance. The paper also predicts the future trend of biomass activated carbon/low-dimensional carbon material (1D,2D)/MnO2 and new technologies such as graft oxidation and 3D printing. Finally, the challenges and development trends of multi-composites based on carbon material/MnO2 are summarized and predicted.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2022)

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Article Green & Sustainable Science & Technology

Sustainable production of oxygen-rich hierarchically porous carbon network from corn straw lignin and silk degumming wastewater for high-performance electrochemical energy storage

Man Zhou et al.

Summary: A clean, green, and sustainable strategy is presented to prepare sericin-lignin derived hierarchically porous carbon materials (SLHPCs) as high-performance energy storage materials. The SLHPC-2 material, prepared through the cross-linking reaction between lignin and sericin and the porogen role of sericin, exhibits advantageous pore structure, high specific surface area, and remarkable electrochemical properties. It shows universality in different electrolytes and achieves high energy density and power performance as a supercapacitor electrode. The proposed recycling strategy of biomass waste resources paves the way for new applications in energy storage.

RENEWABLE ENERGY (2022)

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Review Energy & Fuels

Recent advancements in supercapacitors based on different electrode materials: Classifications, synthesis methods and comparative performance

Priyanka Lamba et al.

Summary: In this review, supercapacitors are categorized and their performances are examined. Activated carbon is the most commonly used electrode material, and recent developments in MnO2-based composites and electrodes prepared by green approaches are discussed. The research progress on supercapattery is also discussed, which shows comparable performance to batteries in energy capacity and to supercapacitors in cycle life and power capability.

JOURNAL OF ENERGY STORAGE (2022)

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Review Chemistry, Multidisciplinary

Biomass-derived porous carbon materials: synthesis, designing, and applications for supercapacitors

Li Sun et al.

Summary: This paper summarizes the latest progress of biomass-derived porous carbon materials in the field of supercapacitors, analyzes the preparation methods and design strategies in detail, reviews the application of biomass-based porous carbon materials in advanced supercapacitors, and discusses the challenges and prospects for future development. It shows the great potential of high-performance biomass-based porous carbon materials and provides good design ideas for their application in the field of high-performance supercapacitors.

GREEN CHEMISTRY (2022)

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Article Environmental Sciences

Potential use of biomass and coal-fine waste for making briquette for sustainable energy and environment

Ambedkar Balraj et al.

Summary: Biomass and coal-fine waste can be used together to produce biomass-coal briquettes without using binding material. The study analyzed various mixtures with different particle sizes, finding low ash, high fixed carbon, and high volatile matter content in the biomass waste. SEM/EDX and TGA analysis further confirmed the combustion properties of the briquettes.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Energy & Fuels

Preparation of highly porous activated carbons from peanut shells as low-cost electrode materials for supercapacitors

Yinbo Zhan et al.

Summary: Different activators were used to synthesize three-dimensional porous biomass carbons from peanut shells, resulting in structures with varying micropores and mesopores. Among them, KOH-AC exhibited the highest specific surface area and relatively higher graphitization degree, showing excellent cycle stability.

JOURNAL OF ENERGY STORAGE (2021)

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Review Energy & Fuels

Evolution and recent developments of high performance electrode material for supercapacitors: A review

Karan Kamleshbhai Patel et al.

Summary: Supercapacitors, as highly efficient energy storage devices, play a significant role in the modern energy sector, and their technology is relatively mature. Different types of supercapacitors each have their own unique advantages, and choosing the right type involves considering various factors. The selection and fabrication process of materials are crucial for the performance of supercapacitors.

JOURNAL OF ENERGY STORAGE (2021)

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Article Electrochemistry

Synthesis of biomass-derived carbon aerogel/MnOx composite as electrode material for high-performance supercapacitors

Huiming Zhou et al.

Summary: The synthesis of high-performance 3D carbon aerogel/MnOx composite from radish biomass has shown promising electrochemical properties for supercapacitor applications. The composite impregnated with 1.6 mmol Mn(NO3)(2) exhibited the highest gravimetric specific capacitance and power density in the study.

ELECTROCHIMICA ACTA (2021)

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Article Electrochemistry

High-performance adjustable manganese oxides hybrid nanostructure for supercapacitors

Xian Sun et al.

Summary: In this study, a MnO2/Mn3O4 electrode with a hierarchical core-shell nanostructure was successfully prepared using a hydrothermal method on oxidized carbon fibers, demonstrating excellent specific capacitance performance and electrochemical cycling stability. The results provide new avenues for exploring high-performance manganese oxide-based electrode materials and their application in advanced energy storage devices.

ELECTROCHIMICA ACTA (2021)

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Review Chemistry, Physical

A review of niobium oxides based nanocomposites for lithium-ion batteries, sodium-ion batteries and supercapacitors

Ting-Feng Yi et al.

Summary: Niobium oxides and their composites have attracted great attention for applications in batteries and supercapacitors due to their unique properties, but they face challenges such as poor conductivity and limited active sites. Strategies such as morphology control and surface engineering are being used to improve their electrochemical performance.

NANO ENERGY (2021)

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Review Energy & Fuels

Biomass derived carbon for supercapacitor applications: Review

Sunaina Saini et al.

Summary: Activated carbon based electrode materials show promising applications in supercapacitors, fuel cells, and batteries due to their large surface area and porous structure. Carbonaceous materials and pseudo-capacitive materials have different charge storage mechanisms, with the latter achieving higher charge storage levels but also facing challenges such as lack of conductivity. Compounding carbon-based materials with pseudo-capacitive materials is a viable solution for achieving higher energy density in supercapacitors.

JOURNAL OF ENERGY STORAGE (2021)

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Article Chemistry, Physical