US12573638USUSPTO Grant XML

Anode for a lithium secondary battery with an interfacial layer made of phosphorous-doped graphitic carbon nitride and a single ion conducting polymer, a lithium secondary battery, and a manufacturing method thereof

Disclosed are an anode for a lithium secondary battery, a lithium secondary battery including the anode, and a manufacturing method thereof. In particular, the anode includes a lithium metal layer and an interfacial layer made of phosphorous-doped graphitic carbon nitride and a single ion conducting polymer.

Patent

Brief

Patent brief

Problem

How can corrosion in underground pipelines and conduits be prevented?

Novelty

In particular, the anode includes a lithium metal layer and an interfacial layer made of phosphorous-doped graphitic car...

Uses

Pipelines, Buried conduit, Storage tanks

Assignee

HYUNDAI MOTOR COMPANY

Published

Mar 10, 2026

Inventors

Jong Chan Song, Jae Wook Shin, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Hee Tak Kim, Young Il Roh

Domain

Infrastructure / energy

Plain-English summary

Problem

How can corrosion in underground pipelines and conduits be prevented?

Solution

Disclosed are an anode for a lithium secondary battery, a lithium secondary battery including the anode, and a manufacturing method thereof.

Key novelty

In particular, the anode includes a lithium metal layer and an interfacial layer made of phosphorous-doped graphitic carbon nitride and a single ion conducting polymer.

Applications

PipelinesBuried conduitStorage tanksEnclosure cooling

Relevant search intents

anodeduct

Claims preview

1 . An anode for a lithium secondary battery, the anode comprising: a lithium metal layer; and an interfacial layer disposed on the lithium metal layer, wherein the interfacial layer comprises phosphorous-doped graphitic carbon nitride and a single ion conducting polymer represented by Chemical Formula 1: wherein n is an integer in a range of 10 to 100,000, and wherein the interfacial layer comprises phosphorous-doped graphitic carbon nitride and the single ion conducting polymer at a mass ratio in a range of 5: 5 to 9:1. 2 . The anode of claim 1 , wherein the phosphorous-doped graphitic carbon nitride has an element concentration of phosphorous element (P) in a range of 0.1% by atom to 10% by atom. 3 . The anode of claim 1 , wherein a thickness of the interfacial layer is in a range of 1 m to 10 m.

Linked approaches

Cathodic protection

Electrochemical methods that reduce corrosion in buried metal systems.

Directed airflow

Air-channeling systems that improve cooling efficiency in enclosed devices.

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