search

CN

搜索
Search

NEWS

Check category

How Lithium Ion Batteries Work

(Summary description)How Lithium Ion Batteries Work

How Lithium Ion Batteries Work

(Summary description)How Lithium Ion Batteries Work

  • Categories:Industry information
  • Author:Vicky
  • Origin:energystorage.org
  • Time of issue:2020-04-29 17:59
  • Views:6
Information

The term “lithium-ion” refers not to a single electrochemical couple but to a wide array of different chemistries, all of which are characterized by the transfer of lithium ions between the electrodes during the charge and discharge reactions. Li-ion cells do not contain metallic lithium; rather, the ions are inserted into the structure of other materials, such as lithiated metal oxides or phosphates in the positive electrode (cathode) and carbon (typically graphite) or lithium titanate in the negative (anode).

                                             

 



Technologies with lithiated metal oxide positives and carbon negatives have high cell voltages (typically 3.6 V to 3.7 V) and correspondingly high energy density. These technologies have widely differing life and safety characteristics. Cells with positive materials based on lithium iron phosphate are inherently safer than their metal oxide/carbon counterparts but the voltage is lower (around 3.2 V), as is the energy density. Designs with lithiated metal oxide positives and lithium titanate negatives have the lowest voltage (around 2.5 V) and low energy density but have much higher power capability and safety advantages.

Li-ion cells may be produced in cylindrical or prismatic (rectangular) format. These cells are then typically built into multi-cell modules in series and/or parallel arrays, and the modules are connected together to form a battery string at the required voltage, with each string being controlled by a battery management system.

                                                                                                                                                                                                                                                    Above is from energystorage.org.          

 

Keyword:

Scan the QR code to read on your phone

BOFUNENG FAMILY

SHARE IT

GIVE US INFORMATION

Username used for comment:
message
Description:
.

CONTACT US

The company strives to be the leading manufacturer of lithium batteries