The efficiency of an electrochemical power source, to a great degree, depends on the internal resistance of the system. This internal resistance includes interface resistance between current collector and active electrode mass, solid electrolyte and electrode, and other systems. The developed method and device enable non-destructive, non-contact evaluation of the interface resistance. Results enable the prediction and optimization of electrochemical power sources properties, especially their power.
Electrode based on the composition of Silicon & graphite is very attractive anode for the battery with cathode based on Sulfur. Both electrodes: based on Silicon for negative electrode and based on Sulfur for positive electrode have high level of energies. As result the materials balance for Silicon – Sulfur battery is more promising than, for example, for Silicon – LiCoO2 battery. As compare with the Li-Sulfur battery the battery with the Silicon based anode and the Sulfur based cathode is also greatly promising, especially from a safety point of view. This is because Silicon based anode don’t generate the dendrites during cycling, is safe and environmentally friendly unlike from Li. However unfortunately here is well-known the problem that is connected with destruction the Silicon based anode during cycling, because the volume of Silicon during charging dramatically increasing. For avoid these problem together the Dr. N Klyui (Kliui) and authors of this manuscript developed greatly advantaged process of the Gas Detonation Deposition - GDD (1) for production the binder-free Silicon based anode with high level of adhesion to the current lead, and high level of cohesion between the components of the particle the anode
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