Patent Application for Battery Electrode Material and Battery Cell

ChangeBridge: Patent Apps - Batteries (H01M)

Published March 26th, 2026

Detected March 27th, 2026

Summary

The USPTO has published a patent application (US20260088281A1) for a positive electrode active material, battery cell, and battery. The application, filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, details a material comprising a lithium-rich manganese-based material and a lithium-containing phosphate designed to improve battery performance.

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What changed

This document is a patent application published by the USPTO, detailing a novel positive electrode active material for secondary batteries. The material includes a lithium-rich manganese-based component with both solid and hollow particles, and a lithium-containing phosphate. The application, assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, aims to enhance both rate performance and volume energy density of battery cells.

As this is a patent application, it does not impose immediate regulatory obligations or compliance deadlines on manufacturers. However, it represents a new development in battery technology that companies in the sector may wish to monitor for potential future licensing or competitive implications. The filing date was May 1, 2025, with a publication date of March 26, 2026.

Source document (simplified)

← USPTO Patent Applications

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Application US20260088281A1 Kind: A1 Mar 26, 2026

Assignee

CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Inventors

Guanjie WEI, Zhen MENG, Li GU, Yuqian SONG, Yu ZHANG, Xing Li, Peng SHI

Abstract

Provided are a positive electrode active material, a positive electrode plate, a battery cell, a battery and an electrical apparatus, which belongs to the technical field of secondary batteries. The positive electrode active material includes a lithium-rich manganese-based material and a lithium-containing phosphate, in which, the lithium-rich manganese-based material includes solid particles and hollow particles, the hollow particle including a shell and a cavity provided inside the shell. Both the rate performance and the volume energy density of the battery cell can be taken into consideration in the technical solution.