Herein, we show a molecular design approach toward the fabrication of nitrogen and phosphorus codoped mesoporous soft carbon (NPSC). The key to this strategy lies in the chemical cross
AI Customer ServiceThe 500BM800 PVC-derived soft carbon as negative electrode in Li-ion capacitors Pre-lithiation is a major technological barrier for the development of dual carbon Li
AI Customer ServiceThe electrochemical activation process of the so-called "alkali-treated soft carbon" (ASC) has been examined in organic electrolyte solutions. SEM observation
AI Customer ServiceOn the other hand, soft carbon is a suitable choice for ensuring not only good rate capability and cycle performance but also a relatively extended operating voltage for LICs. In practice, soft
AI Customer ServiceThe 500BM800 PVC-derived soft carbon as negative electrode in Li-ion
AI Customer ServiceRequest PDF | Boosting the performance of soft carbon negative electrode for high power Na-ion batteries and Li-ion capacitors through a rational strategy of structural and
AI Customer ServiceHere, asymmetric carbon nanohorns are proposed as an active material to fabricate flexible solid-state carbon wire (CW)-based electrochemical supercapacitors (ss-CWECs) which exhibit high
AI Customer ServiceThe electrochemical results show that the soft-carbon-coated, free-standing hard-carbon electrodes can achieve an ultrahigh ICE of 94.1% and long cycling performance (99% capacity retention after 100 cycles at a current
AI Customer ServiceLithium-ion capacitor constructed with SC-5-MTHF as anode and activated carbon as cathode exihibits a high capacitance retention of 96.7 % after 5000 cycles.
AI Customer ServiceCarbon materials are crucially important for the realization of potassium-ion batteries. However, the potassium storage mechanisms in various carbon materials are
AI Customer ServicePetroleum coke (PeC), a soft carbon, displays excellent performance at high current densities so that it can be considered as a very promising material for high
AI Customer ServiceBy using oxygen-functionalized engineering, we first obtained oxygen-containing soft carbon
AI Customer ServiceBy using oxygen-functionalized engineering, we first obtained oxygen-containing soft carbon nanofibers (ONC) cathodes which delivered a high reversible capacity of 130 mAh g -1 over
AI Customer ServiceA recently developed soft carbon has an improved initial irreversible capacity
AI Customer ServiceAiming at solving the critical roadblock existing in LIC, our work implements
AI Customer ServiceThe combined use of soft carbon (PeC) as anodic material, and propylene carbonate (PC) as electrolyte solvent is a promising strategy for the realization of high
AI Customer ServiceAiming at solving the critical roadblock existing in LIC, our work implements prelithiation at molecular level to engineer the chemical state of amorphous soft carbon, which
AI Customer ServiceIn this manuscript, a dramatic increase in the energy density of, 69 Wh kg –1 and an extraordinary cycleability, 2000 cycles of the Li-ion hybrid electrochemical capacitors (Li-HEC)
AI Customer ServiceIn addition, the electrochemical performance of the PVC-derived soft carbon
AI Customer ServiceThe partial substitution of a styrene-butadiene rubber (SBR) binder with a small amount of conductive poly(3,4-ethylenedioxythiophene)-polystyrene sulfonate (PEDOT-PSS)
AI Customer ServiceLithium storage performance of the PVC-derived soft carbon (PVC-C-BM) as the negative electrode for Li-ion battery application (a,b) and in a hybrid Li capacitor (c,d).
AI Customer ServiceHere, asymmetric carbon nanohorns are proposed as an active material to fabricate flexible
AI Customer ServiceThe electrochemical results show that the soft-carbon-coated, free-standing hard-carbon electrodes can achieve an ultrahigh ICE of 94.1% and long cycling performance
AI Customer ServiceSoft carbon (SC) is a promising anode material for potassium‐ion hybrid capacitors (PIHCs), but there are limited K+ storage sites in common SC due to a skin‐like carbon film covering on the
AI Customer ServiceHerein, we show a molecular design approach toward the fabrication of nitrogen and phosphorus codoped mesoporous soft carbon (NPSC). The key to this strategy lies in the chemical cross-linking reaction between polyphosphoric
AI Customer ServiceIn addition, the electrochemical performance of the PVC-derived soft carbon was examined in full-cell hybrid capacitors, demonstrating their promising properties as
AI Customer ServiceThe combined use of soft carbon (PeC) as anodic material, and propylene
AI Customer ServiceOn the other hand, soft carbon is a suitable choice for ensuring not only good rate capability
AI Customer ServiceSoft carbon (SC) is a promising anode material for potassium‐ion hybrid capacitors (PIHCs), but there are limited K+ storage sites in common SC due to a skin‐like
AI Customer ServiceA recently developed soft carbon has an improved initial irreversible capacity loss, which is currently similar to that of mesocarbon microbeads (MCMB). However, the
AI Customer ServiceThe combined use of soft carbon (PeC) as anodic material, and propylene carbonate (PC) as electrolyte solvent is a promising strategy for the realization of high performance lithium-ion capacitors (LIC). PeC electrodes display a capacity of around 80 mAhg−1during cycling carried out at 5C, which can be maintained for more than 10,000 cycles.
Soft carbons as promising anode materials, not only for batteries, but also in hybrid capacitors, have drawn great attention, due to safe operation voltage and high-power properties. Herein, several vinyl polymer-derived soft carbons have been prepared via pyrolysis, and their physicochemical and sodium storage properties have been evaluated.
Conclusions The combined use of soft carbon (PeC) as anodic material, and PC as electrolyte solvent is a promising strategy for the realization of high performance LICs. PeC electrodes display a capacity of ca. 80 mAh g−1during cycles carried out at 5C, and such a high capacity can be maintained for more than 10,000 cycles.
Although some reported non-commercial soft carbons show high specific capacities (e.g. beyond 300 mA⋅h⋅g −1 ), see Fig. 9a, b, it is at the expense of a compromised full-cell specific energy and/or poor ICE, mainly due to a raised oxidation voltage or increased irreversible capacity loss, respectively.
Abstract The combined use of soft carbon (PeC) as anodic material, and propylene carbonate (PC) as electrolyte solvent is a promising strategy for the realization of high performance lithium-ion capacitors (LIC).
Metal ion capacitors outperform conventional LIBs in terms of power by an order of magnitude (specific power range of 15–20 kW⋅kg −1) and hence their development is of high interest and demand.
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