US 10,319,955 B2 · Power storage device and electronic device

Abstract

A power storage device with high capacity per unit volume, a flexible power storage device with a novel structure, a repeatedly bendable power storage device, a highly reliable power storage device, or a long-life power storage device is provided. The power storage device includes an inner structure and an exterior body surrounding the inner structure. The inner structure includes a positive electrode and a negative electrode. The exterior body includes a first film containing titanium and one or more elements selected from niobium, tantalum, vanadium, zirconium, and hafnium. It is preferable that the first film further contain one or more elements selected from molybdenum, chromium, and aluminum.

Claims23

Dependent claims

A power storage device comprising:

an inner structure;
and
an exterior body surrounding the inner structure,
wherein the inner structure comprises a positive electrode and a negative electrode, and
wherein the exterior body comprises a first film containing an alloy comprising one of Ti—Nb—Ta—Zr—O and Ti—Ta—Nb—V—Zr—O.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/176,350Filed 8 Jun 2016

Priority

JP 2015-12099716 Jun 2015

Published

US 2016/0372717 A122 Dec 2016

Granted

11 Jun 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification16 codes

H01M 10/0436
Construction or manufacture in general: small-sized flat cells or batteries for portable equipment
H01M 50/105
Characterised by their shape or physical structure: pouches or flexible bags
H01M 50/117
Characterised by the material: inorganic material
H01M 50/124
Characterised by the material: having a layered structure

Power storage device and electronic device

Life of this patent

Power storage device and electronic device

Life of this patent

Abstract

Claims23