• Book Name: DIY Lithium Batteries – How to Build Your Own Battery Packs
  • Author: Micah Toll
  • Pages: 237
  • Size: 4 MB

DIY Lithium Batteries Pdf Free Download

Table of Contents

Chapter 1: Introduction
Uses for lithium batteries
Gow lithium battery cells work

Chapter 2: Form factors of lithium cells
Pouch cells
Prismatic cells
Cylindrical cells

Chapter 3: Types of lithium cells
Lithium ion (Li-ion)
Lithium Manganese Oxide (LiMn2O4 or li-manganese)
Lithium Cobalt Oxide (LiCoO2, li-co or li-cobalt)
Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO2 or NMC)
Lithium Nickel Cobalt Aluminum Oxide (LiNiCoAlO2, NCA, or NCR)
Lithium polymer (li-poly or lipo or RC lipo)
Lithium Iron Phosphate (LiFePO4)
Feneral lithium battery cell summary

Chapter 4: Sourcing lithium battery cells
Buying new cells
Using salvaged cells
Buying used electric vehicle battery modules

Chapter 5: Cell ratings
Maximum discharge rate
C rate
Maximum charge rate
Maximum number of cycles

Chapter 6: Combining lithium battery cells to make battery packs
Increasing voltage using series connections
Increasing capacity using parallel connections
Combining series and parallel connections

Chapter 7: Safety
The danger of short circuits
The effect of temperature on lithium cells
Gandling and storage

Chapter 8: Battery Management Systems
Why would a battery need a BMS?
Disadvantages of a BMS
Connecting a BMS

Chapter 9: Construction methods
Physically holding cells together
Joining cells in series and parallel
Cell-level fuses

Chapter 10: Battery layout and design
Maximum continuous current
Choosing appropriate cells
Current rating
Cycle life
Frouping cells in a battery
Making different battery shapes

Chapter 11: Making battery connections
Safety considerations
Cell matching
Cell alignment and containment
Bolted connections
Wire connector connections
Spot welded connections
Series vs parallel connections
Connecting the BMS
Connecting charge and discharge wires
Connecting the balance wires
Adding a balance connector
Performing final quality and performance checks

Chapter 12: Sealing the battery
Gard cases
Geat shrink
Cooling issues
Chapter 13: Charging lithium batteries
Constant Current, Constant Voltage charging
Charging with a BMS
Charging without a BMS
Charging temperature

Chapter 14: Increasing cycle life
Charge to a lower maximum voltage
Discharge to a higher minimum voltage
Charge and discharge at lower currents
Keep cells cool

Chapter 15: Disposing of old lithium batteries

Chapter 16: Example battery building projects
5V backup battery and USB device charger
12s RC lipo electric skateboard battery
10s (36 V) electric bicycle triangle battery
38s (120 V) LiFePO4 prismatic cell electric car battery
14s (52 V) 18650 home energy storage battery
4s (14.8 V) 18650 RC drone or FPV battery

DIY Lithium Batteries Pdf Free Download

Lithium batteries have existed in various forms since the 1970’s, and innovations in the 80’s and 90’s have led to the familiar lithium battery cells that we know today. Current research on lithium batteries has produced battery cells capable of extreme performance, for example, 100% recharging in just a few seconds. However, these current advances are strictly experimental and won’t see commercialization for many years, potentially decades. The information in this book covers the types of lithium batteries that are commercially available today and will likely remain available well into the future.

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