O'Reilly logo

Lithium-Ion Batteries by Yuping Wu

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 12

Separators

Yuping Wu, Shiyong Zhao, and Teunis van Ree

In batteries, separators are used to avoid short circuit between negative and positive electrodes. They are therefore generally regarded to be conductors not of electrons but of ions. Some separators for batteries and their properties are shown in Table 12.1 [1].

Table 12.1

Some Separators for Small Batteries and Their Properties

Battery

Electrode Materials

Electrolyte

Separator

Positive

Negative

Material

Required Property

Lead acid

PbO2

Pb

H2SO4

Glass fiber mats

To contain electrolytes

Ni-Cd

NiOOH

Cd

KOH

Polyamide nonwoven fabric, polyolefin nonwoven fabric

To contain electrolytes

Ni-MH

NiOOH

MH

KOH

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required