US12573719USUSPTO Grant XML

LDH separator and zinc secondary battery

There is provided an LDH separator including a porous substrate and a layered double hydroxide (LDH)-like compound that fills up pores of the porous substrate. The LDH-like compound is a hydroxide and/or an oxide with a layered crystal structure, containing (i) Ti, Y, and optionally Al and/or Mg, and (ii) at least one additive element M selected from the group consisting of In, Bi, Ca, Sr, and Ba.

Patent

Brief

Patent brief

Problem

How can battery fires and thermal runaway in EV packs be prevented?

Novelty

The LDH-like compound is a hydroxide and/or an oxide with a layered crystal structure, containing (i) Ti, Y, and optiona...

Uses

EV packs, Battery modules, Rechargeable cells

Assignee

NGK INSULATORS, LTD.

Published

Mar 10, 2026

Inventors

Sho Yamamoto, Naoko Inukai, Shohei Yokoyama

Domain

Mobility / storage

Plain-English summary

Problem

How can battery fires and thermal runaway in EV packs be prevented?

Solution

There is provided an LDH separator including a porous substrate and a layered double hydroxide (LDH)-like compound that fills up pores of the porous substrate.

Key novelty

The LDH-like compound is a hydroxide and/or an oxide with a layered crystal structure, containing (i) Ti, Y, and optionally Al and/or Mg, and (ii) at least one additive element M selected from the group consisting of In, Bi, Ca, Sr, and Ba.

Applications

EV packsBattery modulesRechargeable cells

Relevant search intents

separator

Related patents