2022
DOI: 10.1039/d1nj06245j
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MWCNT synergy for boosting the electrochemical kinetics of V2O5 cathode for lithium-ion batteries

Abstract: V2O5/MWCNT hybrid system has been developed and investigated as cathode in LIBs. The developed electrode shows superior performance as compare to pristine V2O5 and V2O5/rGO hybrid structure due to the synergy between V2O5 and MWCNT.

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Cited by 6 publications
(3 citation statements)
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“…In contrast, the HOMO (H 1 ) shifts towards more negative side of the energy scale [7,31] . Here, QD has band gap of ~1.6 nm, the E 1 must be >−4.0 eV and H 1 <−5.40 eV, facilitating the possibility of charge transfer to the conduction band of wide band gap semiconductor TiO 2 (−4.0 eV) [32] as well as directly to the conduction band of MWCNT (−4.3 eV) [33] . The photoinduced electron transfer from PbS QD to TiO 2 , MWCNT and the hybrid TiO 2 ‐MWCNT under excitation of 510 nm has been observed from steady‐state emission data shown in Figure 4a.…”
Section: Resultsmentioning
confidence: 99%
“…In contrast, the HOMO (H 1 ) shifts towards more negative side of the energy scale [7,31] . Here, QD has band gap of ~1.6 nm, the E 1 must be >−4.0 eV and H 1 <−5.40 eV, facilitating the possibility of charge transfer to the conduction band of wide band gap semiconductor TiO 2 (−4.0 eV) [32] as well as directly to the conduction band of MWCNT (−4.3 eV) [33] . The photoinduced electron transfer from PbS QD to TiO 2 , MWCNT and the hybrid TiO 2 ‐MWCNT under excitation of 510 nm has been observed from steady‐state emission data shown in Figure 4a.…”
Section: Resultsmentioning
confidence: 99%
“…The conduction band of PCBM (E CB = −3.9 eV) and MWCNT (E CB = −4.22 eV) offers a favorable energetic pathway to the photoelectrons, accumulated at the conduction band of Fe 2 O 3 (E CB = −3.4 eV) upon photoexcitation. [42][43][44] Further, the MWCNTs, due to their metallic nature, do not offer any energy barrier for the transport of photoelectrons to the CF current collector. Therefore, the energy bands alignment of the photocathode components helps in the smooth extraction of photoelectrons so they can reach the counter electrode (Li-metal) through an external circuit.…”
Section: Resultsmentioning
confidence: 99%
“…In order to model MWCNT, we employed (4,4)@ (8,8)@ (12,12) three wall carbon nanotube. 51 Owing to the geometry of CNT, the interaction between Keggin molecules and CNTs is weak. Therefore, we have calculated the electronic structure of the CNT and the Keggin molecule separately and compared their energy states with respect to the vacuum level.…”
Section: Methodsmentioning
confidence: 99%