Iron-Decorated Nitrogen/Boron co-Doped Reduced Graphene Oxide Aerogel for Neutral Rechargeable Zn-Air Batteries

被引：6

作者：

Irmawati, Yuyun ^{[1
,2
,3
]}

Balqis, Falihah ^{[4
]}

Persada, Pilar Bela ^{[4
]}

Destyorini, Fredina ^{[3
]}

Yudianti, Rike ^{[3
]}

Iskandar, Ferry ^{[2
,5
,6
]}

Sumboja, Afriyanti ^{[4
,6
]}

机构：

[1] Inst Teknol Bandung, Grad Sch, Doctoral Program Nanosci & Nanotechnol, Jl Ganesha 10, Bandung 40132, Indonesia

[2] Inst Teknol Bandung, Res Ctr Nanosci & Nanotechnol RCNN, Jl Ganesha 10, Bandung 40132, Indonesia

[3] Natl Res & Innovat Agcy BRIN, Res Ctr Adv Mat, Kawasan Puspiptek Gedung 440, Tangerang Selatan 15314, Indonesia

[4] Inst Teknol Bandung, Fac Mech & Aerosp Engn, Mat Sci & Engn Res Grp, Jl Ganesha 10, Bandung 40132, Indonesia

[5] Inst Teknol Bandung, Fac Math & Nat Sci, Dept Phys, Jl Ganesha 10, Bandung 40132, Indonesia

[6] Natl Res & Innovat Agcy, Inst Teknol Bandung, Collaborat Res Ctr Adv Energy Mat, Jl Ganesha 10, Bandung 40132, Indonesia

来源：

BATTERIES-BASEL | 2023年 / 9卷 / 07期

关键词：

electrocatalysts; heteroatom-doped carbon; OER; ORR; ZABs; OXYGEN REDUCTION REACTION; ACTIVE-SITES; CARBON NANOTUBES; BORON; EFFICIENT; ELECTROCATALYST; CATALYST; NANOPARTICLES; ELECTROLYTE; PERFORMANCE;

D O I：

10.3390/batteries9070356

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Zn-air batteries (ZABs) with neutral electrolytes offer a significantly longer lifespan and better recyclability than alkaline ones. However, low-performance bifunctional catalytic activities for oxygen reduction or evolution reaction (i.e., ORR/OER) in neutral electrolytes still hamper their development. Here, we report iron nanoparticle-decorated nitrogen/boron co-doped reduced graphene oxide aerogel (Fe-NBrGO) with distinguished ORR/OER activity, enabling its application in neutral rechargeable ZABs. Taking advantage of the formation of 3D porous structure of graphene aerogel, N/B-moieties active sites, and Fe-containing active sites, Fe-NBrGO exhibits high ORR onset potential (1.074 and 0.817 V) and adequate OER overpotential (476 and 615 mV) in alkaline and neutral electrolytes, respectively. Fe-NBrGO enables the production of a neutral-ZAB with 34 mW cm(-2) in peak power density and remains stable for a 284 h (similar to 852 cycles) cycling test. This research highlights the rational design of highly active oxygen catalysts for the widespread implementation of new energy storage technologies.

引用

页数：13

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