TY - JOUR
T1 - Metal-Node-Engineered MOF-Derived Cobalt Manganese Selenide with Synergetic Surface Tailoring for Energy Storage Applications
AU - Dennyson Savariraj, Antonysamy
AU - Kulandaivel, Loganathan
AU - Park, Jeong Won
AU - Sivakumar, Periyasamy
AU - Manikandan, Ramu
AU - Kim, Byung Chul
AU - Jung, Hyun
N1 - Publisher Copyright:
© 2024 American Chemical Society.
PY - 2024/1/22
Y1 - 2024/1/22
N2 - Nickel foam-supported binder-free cobalt manganese selenide (CoMnSe@NF) was grown by in situ deposition using metal organic frameworks (MOFs) as the template with metal node engineering. The CoMnSe@NF electrode employed as the positive electrode for supercapacitors delivered well-pronounced conductivity, a high areal capacity (Ca) of 1714 mC cm-2 at 1 mA cm-2, and a specific capacity (Cs) of 519 C g1- (1 A g-1) withstanding over 5000 cycles with a good retention of 87% of its initial capacity. The outstanding electrochemical profile of CoMnSe@NF can be credited to the tailor-made synergetic surface, bearing densely packed 2-dimensional sheets harboring numerous redox sites with an even distribution of voids, allowing easy passageway and diffusion of the electrolyte. Armed with the said caliber of CoMnSe@NF, the asymmetric device fabricated (CoMnSe@NF-2h//O, N, S@AC@NF) delivered a remarkable specific capacity (Cs) of 139 C g-1, maximum energy density (Es) of 35.47 W h kg-1, and a power density of 11,500 W kg-1, remaining intact beyond 10,000 charge-discharge cycles and retaining 82.6% of the initial capacity.
AB - Nickel foam-supported binder-free cobalt manganese selenide (CoMnSe@NF) was grown by in situ deposition using metal organic frameworks (MOFs) as the template with metal node engineering. The CoMnSe@NF electrode employed as the positive electrode for supercapacitors delivered well-pronounced conductivity, a high areal capacity (Ca) of 1714 mC cm-2 at 1 mA cm-2, and a specific capacity (Cs) of 519 C g1- (1 A g-1) withstanding over 5000 cycles with a good retention of 87% of its initial capacity. The outstanding electrochemical profile of CoMnSe@NF can be credited to the tailor-made synergetic surface, bearing densely packed 2-dimensional sheets harboring numerous redox sites with an even distribution of voids, allowing easy passageway and diffusion of the electrolyte. Armed with the said caliber of CoMnSe@NF, the asymmetric device fabricated (CoMnSe@NF-2h//O, N, S@AC@NF) delivered a remarkable specific capacity (Cs) of 139 C g-1, maximum energy density (Es) of 35.47 W h kg-1, and a power density of 11,500 W kg-1, remaining intact beyond 10,000 charge-discharge cycles and retaining 82.6% of the initial capacity.
KW - 2-dimensional sheets
KW - cobalt manganese selenide
KW - metal node engineering
KW - metal organic frameworks
KW - synergetic surface tailoring
UR - http://www.scopus.com/inward/record.url?scp=85181798370&partnerID=8YFLogxK
U2 - 10.1021/acsaem.3c02787
DO - 10.1021/acsaem.3c02787
M3 - Article
AN - SCOPUS:85181798370
SN - 2574-0962
VL - 7
SP - 735
EP - 748
JO - ACS Applied Energy Materials
JF - ACS Applied Energy Materials
IS - 2
ER -