Battery Technology is part of the Informa Markets Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

With Only 2 Percent Lithium Inside, Why Are They Called Lithium-Ion Batteries?

Lithium-ion batteries have come to dominate electrical energy storage. But what materials make them tick?

INTRODUCTION

We call them lithium-ion batteries, but there is actually very little of the element lithium inside the batteries that power laptops, cell phones, electric vehicles (EVs), and power grids. Less than 2% by weight of a lithium-ion battery comes from the lithium, which is in an ionic non-metallic form.

In fact, lithium-ion batteries are made up of a complex arrangement of highly refined materials. Each plays an important role in the energy storage capacity, performance, and safety of a lithium-ion battery pack. Using  Volkswagen data on the percentage of various materials by weight, let’s look pull apart a typical commercial NMC (nickel-manganese-cobalt) lithium-ion battery and see what we find.

Kevin Clemens is a Senior Editor with Battery Technology.

Hide comments
account-default-image

Comments

  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Publish