US 2019/0296399 A1 · SECONDARY BATTERY

Abstract

A secondary battery particularly suitable for installation in combination with a substrate is provided. The secondary battery of the present invention includes an electrode assembly in which electrode constituent layers including a positive electrode, a negative electrode, and a separator are laminated, and an exterior body enclosing the electrode assembly. In the secondary battery of the present invention, the electrode assembly has an assembly step configured with an assembly low surface at a relatively low level and an assembly high surface at a relatively high level, and the secondary battery has a battery step configured with a battery low surface at a relatively low level and a battery high surface at a relatively high level, and the battery low surface is a substrate placement surface with a margin of a position misalignment between the assembly step and the battery step.

Claims20

Dependent claims

A secondary battery, comprising:

an electrode assembly having a plurality of laminated electrode constituent layers, each of the electrode constituent layers including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode;
and
an exterior body enclosing the electrode assembly,
wherein
the electrode assembly has an assembly step connecting an assembly low surface and an assembly high surface at a higher level than the assembly low surface,
the exterior body has a battery low surface and a battery high surface at a higher level than the battery low surface, and
there is a margin of a position misalignment between the assembly step and the battery step.

4 more elements

Dependencies are inferred from the claim text.

Secondary battery

Life of this patent

Secondary battery

Life of this patent

Abstract

Claims20