View source for US Patent Application 17802195. CHARGE AND DISCHARGE METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND CHARGE AND DISCHARGE SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY simplified abstract

=CHARGE AND DISCHARGE METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND CHARGE AND DISCHARGE SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY=


==Organization Name==

[[Panasonic Intellectual Property Management Co., Ltd.]]


==Inventor(s)==

[[Takahiro Fukuoka of Osaka Fu (JP)]]

[[Akira Kano of Osaka Fu (JP)]]

==CHARGE AND DISCHARGE METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND CHARGE AND DISCHARGE SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A simplified explanation of the abstract==


This abstract first appeared for US patent application 17802195 titled 'CHARGE AND DISCHARGE METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND CHARGE AND DISCHARGE SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

==Simplified Explanation==

The abstract describes a method for charging and discharging a non-aqueous electrolyte secondary battery.
* The battery includes a positive electrode, a negative electrode with a negative electrode current collector, and a non-aqueous electrolyte.
* During charging, lithium metal deposits on the negative electrode, and during discharging, the lithium metal dissolves in the electrolyte.
* The charging step involves a constant-current charging at a low current density, followed by a constant-current charging at a higher current density.
* The discharging step involves discharging an amount of electricity between 20% and 80% of a full charge amount.


==Original Abstract Submitted==

A charging and discharging method for a non-aqueous electrolyte secondary battery. The battery includes a positive electrode, a negative electrode including a negative electrode current collector, and a non-aqueous electrolyte, in which a lithium metal deposits on the negative electrode during charge, and the lithium metal dissolves in the non-aqueous electrolyte during discharge. The method includes a charging step, and a discharging step performed after the charging step. The charging step includes a first step of performing a constant-current charging at a first current Ihaving a current density of 1.0 mA/cmor less, and a second step of performing a constant-current charging at a second current Ilarger that the first current I, after the first step. In the discharging step, an amount of electricity corresponding to 20% or more and 80% or less of a full charge amount is discharged.