Morphology Modulation of ZnMn2O4 Nanoparticles Deposited In Situ on Carbon Cloth for Supercapacitors DOI Creative Commons
Changxing Li,

Xuansheng Feng,

Jixue Zhou

et al.

Metals, Journal Year: 2024, Volume and Issue: 14(8), P. 841 - 841

Published: July 23, 2024

As a typical spinel structure material, ZnMn2O4 has been widely researched in the field of electrode materials. However, nanoparticles as materials for supercapacitors have disadvantages low conductivity, inferior structural integrity, and easy aggregation, resulting unsatisfying electrochemical performance. In this work, we use hydrothermal method high-temperature calcination to deposit on carbon cloth explore influence reaction time deposition morphology distribution cloth. The process was analyzed, ZMO-9 deduced be most suitable supercapacitors. A series performance tests show that excellent specific capacitance (specific capacity) (499 F·g−1 (299.4 C·g−1) at current density 1 A·g−1) rate (75% retention 12 A·g−1). assembled asymmetric supercapacitor an energy 46.6 Wh·kg−1 when power is 800.1 W·kg−1. This work provides reference design improvement properties.

Language: Английский

A core–shell structured design for enhanced supercapacitor performance: coating Ni(OH)2/Fe(OH)3 over NiMoO4 nanofibers DOI Creative Commons
Shuang Qiu, Zhaojun Sun,

Ruibai Cang

et al.

RSC Advances, Journal Year: 2024, Volume and Issue: 14(51), P. 38208 - 38221

Published: Jan. 1, 2024

A core–shell structured NiMoO 4 @Ni(OH) 2 /Fe(OH) 3 composite electrode exhibited enhanced supercapacitor performance.

Language: Английский

Citations

2

Versatile Conductive Ink Formulation for Enhanced Electrochemical Performance in Flexible Printed Micro-supercapacitors Using SnO2/rGO Nanocomposites DOI Creative Commons
Ajit P. Rathod,

Mohammad Saquib,

M Lakshmikanth

et al.

Journal of Electronic Materials, Journal Year: 2024, Volume and Issue: 53(12), P. 7884 - 7899

Published: Oct. 12, 2024

Abstract The rise of flexible and wearable electronics has spurred advancements in printed, micro-supercapacitors for energy storage. This study presents the fabrication using a novel nanocomposite tin dioxide grown on layered reduced graphene oxide through one-pot situ synthesis. conductive functional ink, formulated by mixing nanocomposite, is effectively utilized screen-printing technology. resulting micro-supercapacitors, particularly SG-1 variant, demonstrate impressive electrochemical performance. nanocomposites show exceptional versatility across various electrolytes, including alkaline, acidic, quasi-gel electrolytes with polyvinyl alcohol matrix infused potassium hydroxide. An in-depth comparison their efficacy these highlights most suitable configurations optimal At scan rate 5 mV s −1 , achieves areal capacitances 148.7 mF cm −2 87.7 1 M KOH electrolyte. Additionally, gel electrolyte demonstrates remarkable density 11.7 mWh at power 490 mW . Notably, fabricated exhibit excellent capacitive retention 89.5% even after undergoing 5000 cycles charge–discharge, underscoring robustness long-term stability practical applications electronics.

Language: Английский

Citations

1

Extreme Environment-Adaptable and Ultralong-Life Energy Storage Enabled by Synergistic Manipulation of Interfacial Environment and Hydrogen Bonding DOI

Wanbin Dang,

Wei Guo, Wenting Chen

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: unknown, P. 103915 - 103915

Published: Nov. 1, 2024

Language: Английский

Citations

1

Morphology Modulation of ZnMn2O4 Nanoparticles Deposited In Situ on Carbon Cloth for Supercapacitors DOI Creative Commons
Changxing Li,

Xuansheng Feng,

Jixue Zhou

et al.

Metals, Journal Year: 2024, Volume and Issue: 14(8), P. 841 - 841

Published: July 23, 2024

As a typical spinel structure material, ZnMn2O4 has been widely researched in the field of electrode materials. However, nanoparticles as materials for supercapacitors have disadvantages low conductivity, inferior structural integrity, and easy aggregation, resulting unsatisfying electrochemical performance. In this work, we use hydrothermal method high-temperature calcination to deposit on carbon cloth explore influence reaction time deposition morphology distribution cloth. The process was analyzed, ZMO-9 deduced be most suitable supercapacitors. A series performance tests show that excellent specific capacitance (specific capacity) (499 F·g−1 (299.4 C·g−1) at current density 1 A·g−1) rate (75% retention 12 A·g−1). assembled asymmetric supercapacitor an energy 46.6 Wh·kg−1 when power is 800.1 W·kg−1. This work provides reference design improvement properties.

Language: Английский

Citations

0