Battery Basics
What form is battery energy stored in?
Chemical Form
Name 3 different types of grid energy storage
Pumped Hydro, Batteries, Flywheels, Compressed Air, Thermal Energy
Rechargeable lithium ion batteries can last 2000x more cycles than these kinds of batteries.
Alkaline batteries
What is one type of battery used in EV?
Lithium Ion, Nickel-metal Hydride, Lead-acid, Ultracapacitors
Why are Li-po’s used in unmanned aerial vehicles instead of other batteries?
Flexible and Light
What is the lifespan of flow batteries
25-30 Years
California no longer allowed rechargeable batteries to be disposed of because of the harmful chemicals they contain in this year
What is 2005
What stores electricity to drive motor which turns wheels?
Traction battery pack (EV Battery)
What battery is commonly used in Unmanned Aerial Vehicles?
Lithium-polymer or Li-po batteries
What is the percentage of grid scale battery spending in 2021
70%
Rechargeable batteries use cobalt in this part of the battery
cathode
What is the difference between BEV and PHEV?
BEV is fully electric and PHEV uses both traction battery pack and combustion engine
What charging phase charges up to 80% of a lithium-ion battery's total charge?
constant current phase
How much was invested globally in battery storage
10 billion
In this 2022 expose of the cobalt mines in the Congo, author Siddharth Kara describes the subhuman and degrading working conditions
Cobalt Red
What is the average cost of a Tesla battery replacement?
$10,000-$13,000
Typically, what fraction of a full charging current is a trickle charging current?
1/10th of full charging current
How many GW of battery storage needed by 2050 for net zero emissions
680 GW
This material is sometimes a substitute for cobalt, but can be dangerous in large amounts
Nickel-Oxide
What challenge must be balanced in electric vehicles?