Adaptive Charging Protocol (ACP) based on Non-linear Voltammetry (NLV) Charging Patterns for Fast charging Li-Ion batteries.
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 12
Abstract
This research work presented in this paper strongly emphasis the suitability of the Adaptive charging protocol (ACP) based on non-linear voltammetry (NLV) charging patterns for fast charging Li-ion batteries (LIBs). The ACP based NLV charging is a patent pending technology [20] implemented to fast charge the LIBs by non-linearly incrementing the voltage, step by step, adhering to an interdependent relationship [19] based on the product of the “change of current (dI/dt)” and the “change of voltage (dv/dt)”). It has shown a quicker charging ability with fully charging a LIB in just 22 minutes of charging time. In terms of assessing its safety, stability and the applicability on different battery cells, a number of experiments were performed on four different types of LIBs. The individual experiments and their expectations have discussed in the second section where the third section detailed on the results. Using the ACP based NLV charging to charge a battery in 30 minutes by modeling the average smartphone users’daily charge-discharge routine is an interesting experiment, which managed to exhibit prominent results over more than 1000+ cycle life in its aging, without degrading its discharge capacity below 80% of its nominal capacity. The later part of this paper provides a brief discussion on a set of distinctive features of this charging method such as temperature decrement during charging, the uniqueness of each charging profile and the use of high voltage regions.
Authors and Affiliations
Thusitha Asela Bandara, Rachid Yazami
Keywords
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