Hierarchical NiCo-layered double hydroxide nanoscroll@PANI nanocomposite for high performance battery-type supercapacitor

Multifunctional sandwich-structured double-carbon-layer modified SnS nanotubes with high capacity and stability for Li-ion batteries

“…Moreover, the PANI carbonization skeleton helps to maintain the mechanical integrity of the structure, enrich the charge transfer channels, provide more lithium storage active sites, shorten the transmission path of ions and electrons, and accelerate the diffusion rate of Li-ion. 25 By observing the TEM diagram of N-DCSNs (Fig. 3b), the double-layer carbon structure can be clearly seen in the sample, which matches the SEM image (Fig.…”

Chemical Modifications of Layered Double Hydroxides in the Supercapacitor

“…[ 141 ] Copyright 2017, John Wiley & Sons, Inc. d) Preparation schematic of NiCo‐LDH nanoscroll@PANI@CC membranes; SEM images of e) NiCo‐LDH@PANI@CC, f) NiCo‐LDH, g) NiCo‐LDH@CC after 1000 cycles, and h) NiCo‐LDH@PANI@CC after 3000 cycles. [ 142 ] Copyright 2020, Elsevier. i) Preparation schematic CoAl‐LDH/PG Composite, SEM image of j) PG, k) CoAl‐LDH and l) CoAl‐LDH/PG, m) the electronic and ionic transport processes of CoAl‐LDH/PG.…”

Perovskite oxide and polyazulene–based heterostructure for high–performance supercapacitors

“…So, the capacitive contribution of nickel foam current collector has very limited influence the specific capacitance of active material. The specific capacitance of PAz@LaNiO 3 in [EMIM][BF 4 ] was superior to that of recently reported heterostructure–based materials, such as, PPy/MnO 2 (320 F g −1 at 0.5 A g −1 ), 24 Ni–Co LDH/PPy (261 F g −1 at 1 A g −1 ), 25 MnO 2 /NiNTAs@PPy (141.9 F g −1 at 1 A g −1 ), 26 RGO/MoO 3 (350 F g −1 at 0.2 A g −1 ), 27 among others (Table S1).…”

“…The curves in Figure 4(f) indicate that the PAz@LaNiO 3 ‐based SSC displayed a high energy density of 56.4 Wh kg −1 at a power density of 1100 W kg −1 and even retained a high energy density of 44.0 Wh kg −1 at 11 kW kg −1 . This excellent performance is superior to that of most of the reported heterostructure‐based devices, such as LaMnO 3 @NiCo 2 O 4 /Ni (36.6 Wh kg −1 at 0.8 kW kg −1 ), 38 MnO x @C@MnO x (23 Wh kg −1 at 2.5 kW kg −1 ), 39 NiCo 2 S 4 @Ni(OH) 2 @PPy (12.5 Wh kg −1 at 1.2 kW kg −1 ), 40 NiCo‐LDH@NiOOH (51.7 Wh kg −1 at 0.59 kW kg −1 ), 41 PANI/rGO (8.3 Wh kg −1 at 60 kW kg −1 ), 42 NiCo‐LDH@PANI (28 Wh kg −1 at 350 W kg −1 ), 25 NiCo 2 O 4 @PPy (28.4 Wh kg −1 at 10.2 kW kg −1 ), 43 and PPy/MnO 2 (25.1 Wh kg −1 at 9 KW kg −1 ) 24 . These results further demonstrate that the as‐fabricated PAz@LaNiO 3 ‐based SSC displays great potential for application as a highly efficient SC.…”