Charge-discharge characteristic

Fig. 13. Charge—discharge characteristics of a nominal 140-A-h silver—iron cell where the charge (-) is at 25 A for 8 h, A represents a 0.25 A float...

Figure 20 shows the charge-discharge characteristics of the AA-size nickel-metal hydride battery in comparison with the nickel-cadmium battery produced by Sanyo Electric. Its capacity density is 1.5 to 1.8 higher than that of nickel-cadmium batteries. 

Charge-discharge capacity/mAh Figure 20. Charge-discharge characteristics of an Ni—MH battery (cell type AA). 

Figure 59. Charge-discharge characteristics of some graphite material electrodes (1st cycle current density 0.2 raA cm 2).

Figure 3. Galvanostatic charge/discharge characteristics of a capacitor built from KOH activated carbon A-PM (mass of electrodes 12.2 mg/12.8 mg) 1=2 mA. Electrolytic solution ...

Fig. 8.5 Typical charge-discharge characteristics of a lithium-silicon electrode in a LiCl-KCl euiectic at 680 K. Current density = 40 mA/cm2. (By permission of the Journal of the Electrochemical Society as Fig 8,3.)...

Fig. 8.10 Charge-discharge characteristics for a Li-FeS cell aL 450°C. BaUery assembled in uncharged state, Current = 5A, (By permission of Academic Press W.J, Walsh and H. Shimotake, Power Sources 6, ed, D.H, Collins, 1977, London,)...

FIGURE 12.20 Charge/discharge characteristics of purified SWCNTs after ball milling. (Reproduced from Gao, B., et al., Chem. Phys. Lett., 307, 153, 1997. With permission.)... 

Mabuchi A, Tokumitsu K, Fujimoto H, Kasuh T. Charge-discharge characteristics of the mesocarbon miocrobeads heat-treated at different temperatures. J Electrochem Soc 1995 142 1041-1046. 

Yang Z, Wu HQ, Simard B. Charge-discharge characteristics of raw acid-oxidized carbon nanotubes. Electrochem Commun 2002 4 574-578. 

Figure 2. Charge-discharge characteristics of the electrode at 1C rate.

It was possible to improve the interfacial properties of Li metal anodes in liquid electrolyte solutions using additives that modify the Li-surface chemistry, such as C02 [23-27] and HF [28,29], Using PEO-based gel electrolyte systems effectively suppressed dendritic deposition of lithium [30], In Section C we report on a very good charge-discharge performance of lithium metal anodes in PVdF-HFP gel electrolyte systems. Furthermore, addition of C02 to the PVdF-HFP gel electrolyte system considerably improves the charge/discharge characteristics [31]. 

Charge-discharge characteristics of surface-fluorinated graphite... 

The ASA of carbon materials corresponds to the cumulated surface area of the different types of defects present on the carbon surface (stacking faults, single and multiple vacancies, dislocations) [14, 30] these sites are responsible for the interactions with the adsorbed species. A perfect linear relationship between the irreversible capacity and the value of ASA has been documented for different series of carbon samples [22]. While Cj. can be possibly not correlated with the BET area. Fig. 23.4 shows that it is linearly dependent of the ASA [31]. Moreover, all the samples coated with a thin carbon layer by pyrolytic decomposition of propylene demonstrate the lowest values of irreversible capacity and ASA (Fig. 23.4) [22, 31]. Figure 23.5 illustrates the positive effect of such a coating on the charge-discharge characteristics of carbon fibers from viscose. 

An estimation of the maximum doping level of a polymeric film measurement of charging-discharging characteristics of the polymeric electrode at slow rates for their further fitting with doping isotherms. 

---