Questions 1-4 relate to a battery pack for the Tesla Roadster EV consisting of 6,831 small cylindrical lithium-ion cells (18650 format). The battery pack has series-parallel arrangement: of 99 cells in series, and 69 strings (series-connected string) in parallel. Assume this battery pack is fabricated from LG 18650 cells and the LG CHEM 18650 Cell Specifications are:Nominal Voltage: 3.7VCapacity: 2800mAhMax Discharging current: 5A (continuous)Size: 18650 (Cylindrical)Length: 65 mmDiameter: 18 mmWeight: 46.5 gRetail Cost: $15.50.What is the specific energy of each cell (Wh/kg)? Q2. What is the battery pack voltage (OCV)? Q 3. What is the battery pack capacity (Ah)?Q4.What is the battery pack energy (kWh)?

Nominal voltage=3.7 VCapacity=2800 mAhWeight=46.5 g =46.51000kg1Specific energy of each…

Questions 1-4 relate to a battery pack for the Tesla Roadster EV consisting of 6,831 small cylindrical lithium-ion cells (18650 format). The battery pack has series-parallel arrangement: of 99 cells in series, and 69 strings (series-connected string) in parallel.

Questions 1-4 relate to a battery pack for the Tesla Roadster EV consisting of 6,831 small cylindrical lithium-ion cells (18650 format). The battery pack has series-parallel arrangement: of 99 cells in series, and 69 strings (series-connected string) in parallel.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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Concept explainers

Solar Cell

A solar cell, or photovoltaic cell, is a device that converts light into electricity directly through a photovoltaic effect, i.e., a physical and chemical event. It is a type of electromagnetic cell, defined as being used for its electrical properties, current, voltage, or resistance, which vary when exposed to light. Everyday cellular gadgets are usually the building blocks of photovoltaic modules, collectively known as solar panels. Single junction silicon solar cell can generate an open circuit of about 0.5 to 0.6 volts.

Question

Assume this battery pack is fabricated from LG 18650 cells and the LG CHEM 18650 Cell Specifications are:

Nominal Voltage: 3.7V
Capacity: 2800mAh
Max Discharging current: 5A (continuous)
Size: 18650 (Cylindrical)
Length: 65 mm
Diameter: 18 mm
Weight: 46.5 g
Retail Cost: $15.50.
What is the specific energy of each cell (Wh/kg)?

Q2. What is the battery pack voltage (OCV)?

Q 3. What is the battery pack capacity (Ah)?

Q4.What is the battery pack energy (kWh)?

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