Nuclear Magnetic Resonance (NMR) can observe the splitting of the spin energy levels of overlapping atomic nuclei in the external magnetic field and the energy
In the Raman spectrum, the light intensity is weaker than the infrared spectrum, but the single wavelength laser can easily focus on the specific surface
In energy storage, electromagnetic radiation can be divided into different types according to energy and frequency, and infrared spectroscopy (FTIR) and Raman spectroscopy (RAMAN) are
In Lifepo4, the deinterlacing of lithium ions in lithium secondary batteries will cause changes in the crystal structure of electrode materials, which can be tracked
Rietveld finishing is the analysis of lithium iron phosphate battery. It is a method to determine the crystal structure by comparing the diffraction patterns of
X-ray diffraction (XRD) analysis is a method to determine the phase and crystal structure of solid samples by observing the X-ray scattering patterns of crystal
EQCM (Electrochemical Quartz Crystal Microbalance) analysis is an in-situ monitoring of the mass change of the lithium iron phosphate battery electrode during the electrochemical reaction
Application analysis of Al/LiCoO2/electrolyte/MCMB/Cu battery: Figure 1 is a LiCoO2 electrode (LiCoO2: conductive agent (high purity carbon black): PVDF = 94: 4: 4 mass percent),
Figure 1 shows a single porous electrode for a lithium secondary battery, and its equivalent circuit is shown in Figure 2. Figure 3 shows the
1 Principle AC impedance is an electrochemical method to obtain the resistance, capacitance and inductance by detecting the current response under AC voltage. As shown