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Nokia BL-4C 950mAh Li-ion Battery

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Son, I. H. et al. Graphene balls for lithium rechargeable batteries with fast charging and high volumetric energy densities. Nat. Commun. 8, 1561 (2017). Logan, E. R. et al. Ester-based electrolytes for fast charging of energy dense lithium-ion batteries. J. Phys. Chem. C 124, 12269–12280 (2020). Zhang, J., Wu, B., Li, Z. & Huang, J. Simultaneous estimation of thermal parameters for large-format laminated lithium-ion batteries. J. Power Sources 259, 106–116 (2014). Voltage and capacity are the most important things to consider, but weight and discharge rate (also called ‘C’ rating) are almost as important. LiPo Battery Basics Landesfeind, J., Hattendorff, J., Ehrl, A., Wall, W. A. & Gasteiger, H. A. Tortuosity determination of battery electrodes and separators by impedance spectroscopy. J. Electrochem. Soc. 163, A1373–A1387 (2016).

There is a phenomenon known as ‘Voltage Sag’– The higher your throttle input, the faster you deplete your battery, but this depletion is not linear. At very high throttle the voltage drops even faster, but as you decrease throttle, the voltage will recover, the lower the C rating of your battery the more pronounced the voltage sag will be, and the longer it will take for the voltage to increase again. Li, Y. et al. Growth of conformal graphene cages on micrometre-sized silicon particles as stable battery anodes. Nat. Energy 1, 15029 (2016).

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https://pushevs.com/2020/04/04/comparison-of-different-ev-batteries-in-2020/ Accessed January 2021.

Schuster, S. F. et al. Nonlinear aging characteristics of lithium-ion cells under different operational conditions. J. Energy Storage 1, 44–53 (2015).Note – Batteries with a higher C rating will usually be slightly heavier, than others with the same voltage and capacity.

Ren, X. et al. Enabling high-voltage lithium-metal batteries under practical conditions. Joule 3, 1662–1676 (2019). Li, L. et al. Transport and electrochemical properties and spectral features of non-aqueous electrolytes containing LiFSI in linear carbonate solvents. J. Electrochem. Soc. 158, A74 (2011).Zaghib, K. et al. Safe and fast-charging Li-ion battery with long shelf life for power applications. J. Power Sources 196, 3949–3954 (2011). Newman, J. S. & Tobias, C. W. Theoretical analysis of current distribution in porous electrodes. J. Electrochem. Soc. 109, 1183 (1962). Wang, B. et al. Ultrafast-charging silicon-based coral-like network anodes for lithium-ion batteries with high energy and power densities. ACS Nano 13, 2307–2315 (2019). km in 10 minutes on a 700 km battery is about 3.4C. So if they can do 4C it's only for the first few minutes. Existing EVs, e.g. Model 3/Y and Lucid Air can do ~3C for a few minutes. This is an improvement, but not a quantum leap. View all comments Mass production is expected by the end of the year with new EVs equipped with the fast-charging battery avaialable on the market in the first quarter of 2024.

Leng, Y. et al. Fast charging of energy-dense lithium metal batteries in localized ether-based highly concentrated electrolytes. J. Electrochem. Soc. 168, 060548 (2021). Du, Z., Wood Iii, D. L. & Belharouak, I. Enabling fast charging of high energy density Li-ion cells with high lithium ion transport electrolytes. Electrochem. Comm. 103, 109–113 (2019).The electricity that comes into our households from the grid is Alternating Current (AC). Most modern electronics, including EVs, use Direct Current (DC) for their operation. During AC charging of EVs, current from the grid is converted into DC using the on-board inverter, whereas in DC charging, the rapid or ultra-rapid charger converts AC into DC. Yang, X.-G., Leng, Y., Zhang, G., Ge, S. & Wang, C.-Y. Modeling of lithium plating induced aging of lithium-ion batteries: transition from linear to nonlinear aging. J. Power Sources 360, 28–40 (2017). Han, J.-G. et al. An electrolyte additive capable of scavenging HF and PF5 enables fast charging of lithium-ion batteries in LiPF6-based electrolytes. J. Power Sources 446, 227366 (2020). Kim, N., Chae, S., Ma, J., Ko, M. & Cho, J. Fast-charging high-energy lithium-ion batteries via implantation of amorphous silicon nanolayer in edge-plane activated graphite anodes. Nat. Commun. 8, 812 (2017).

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