High-performance hybrid supercapacitors with N and O codoped mesoporous carbon-supported NiCo2S4 electrodes

被引：4

作者：

Meng, Xiaorong ^{[1
,2
,3
]}

Wu, Zhenpeng ^{[1
]}

Chen, Lijun ^{[1
]}

Li, Jiaming ^{[1
]}

Jing, Yue ^{[1
]}

Huo, Shanshan ^{[4
]}

机构：

[1] Xian Univ Architecture & Technol, Sch Chem & Chem Engn, Yan Ta Rd 13, Xian 710055, Peoples R China

[2] Res Inst Membrane Separat Technol Shaanxi Prov, Yan Ta Rd 13, Xian 710055, Peoples R China

[3] Key Lab Membrane Separat Shaanxi Prov, Yan Ta Rd 13, Xian 710055, Peoples R China

[4] Res Inst Membrane Separat Technol Shaanxi Prov Co, Xian 710055, Peoples R China

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2023年 / 178卷

关键词：

N and O codoped; Mesoporous carbon; High-capacitance; Hybrid supercapacitors; POROUS CARBON; DESIGN; NANOSTRUCTURES; NANOPARTICLES; CONSTRUCTION; SULFIDE; STORAGE; SPHERES; ARRAYS;

D O I：

10.1016/j.jpcs.2023.111375

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

High-capacitance electrode materials are extremely useful in high-performance supercapacitors. Here, an N and O codoped mesoporous carbon (MPC) material is reported. The MPC-3 exhibited a substantial capacitance of 306.6 F g- 1 at 1 A g- 1. NiCo2S4 grown in situ on the MPC-3 formed the composite material (NCS/MPC). This composite material, 0.4-NCS/MPC-3, showed a specific capacitance of 551.8C g- 1 at 1 A g- 1; cyclic capacity was exceptional 95.9%, after 10,000 cycles. A 0.4-NCS/MPC-3//MPC-3 HSC device exhibited an energy density of 57.6 Wh kg- 1 at a power density of 750 W kg- 1. The device displayed a stable capacity of 90.2% after 10,000 cycles. This process is inexpensive and simple, highlighting value in the field of energy storage.

引用

页数：9

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