US 2017/0317379 A1 · LITHIUM-ION BATTERY

Abstract

A lithium-ion battery includes: a positive electrode, a negative electrode, and an electrolyte solution; in which the positive electrode comprises a current collector, and a positive electrode material mixture that is placed on at least one side of the current collector, in which the positive electrode material mixture comprises a positive electrode conductive material, a lithium nickel manganese complex oxide as a positive electrode active material, and a resin having a structural unit derived from a nitrile group-containing monomer as a positive electrode binder, and in which n a density of the positive electrode material mixture is from 2.5 g/cm3 to 3.2 g/cm3.

Claims14

Dependent claims

A lithium-ion battery comprising:

a positive electrode,
a negative electrode, and
an electrolyte solution;
wherein the positive electrode comprises a current collector, and a positive electrode material mixture that is placed on at least one side of the current collector,
wherein the positive electrode material mixture comprises a positive electrode conductive material, a lithium nickel manganese complex oxide as a positive electrode active material, and a resin having a structural unit derived from a nitrile group-containing monomer as a positive electrode binder, and
wherein a density of the positive electrode material mixture is from 2.5 g/cm3 to 3.2 g/cm3.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/522,225Filed 27 Oct 2015

Priority

JP 2014-21815627 Oct 2014

Published

2 Nov 2017

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

H01M 10/0525
Li-accumulators: rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 4/131
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof: electrodes based on…
H01M 4/485
Of inorganic oxides or hydroxides: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505
Of manganese: of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy

Lithium-ion battery

Life of this patent

Lithium-ion battery

Life of this patent

Abstract

Claims14