18674940. POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE CONTAINING THE SAME simplified abstract (CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED)

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE CONTAINING THE SAME

Organization Name

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor(s)

Tianci Yuan of Ningde (CN)

Yao Jiang of Ningde (CN)

Xinxin Zhang of Ningde (CN)

Chuying Ouyang of Ningde (CN)

Shangdong Chen of Ningde (CN)

Lingjing Wu of Ningde (CN)

Weibin Kang of Ningde (CN)

Zhiqiang Wang of Ningde (CN)

Shaojun Liu of Ningde (CN)

Bin Deng of Ningde (CN)

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE CONTAINING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18674940 titled 'POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE CONTAINING THE SAME

The present application introduces a positive electrode active material with a core-shell structure for use in secondary batteries and electrical devices. The material enhances energy density, cycling performance, rate performance, and safety.

• Core-shell structure with a core of LiAMnBPCOD and a shell comprising two cladding layers
• First cladding layer includes pyrophosphate MPO and phosphate XPO
• Second cladding layer consists of carbon
• High energy density and good performance in various aspects for batteries and electrical devices

Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices

Problems Solved: - Enhancing energy density in batteries - Improving cycling performance and safety - Enhancing rate performance for quick charging

Benefits: - Increased energy density - Improved battery performance - Enhanced safety features

Commercial Applications: Title: Advanced Positive Electrode Active Material for High-Performance Batteries This technology can be utilized in the development of high-performance batteries for various applications, including electric vehicles, portable electronics, and energy storage systems. The market implications include improved battery life, faster charging times, and enhanced safety features.

Prior Art: Readers can explore prior research on core-shell structures in battery materials, cladding layers in electrode materials, and the impact of pyrophosphate and phosphate in battery performance.

Frequently Updated Research: Stay informed about the latest advancements in core-shell structures for battery materials, innovations in cladding layers for electrodes, and the use of pyrophosphate and phosphate in enhancing battery performance.

Questions about Positive Electrode Active Material: 1. How does the core-shell structure improve the performance of batteries? The core-shell structure enhances the energy density, cycling performance, rate performance, and safety of batteries by providing a stable and efficient electrode material. 2. What are the potential applications of this positive electrode active material beyond batteries? This material can also be used in supercapacitors, fuel cells, and other energy storage devices due to its high performance and safety features.

Original Abstract Submitted

The present application provides a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same. The positive electrode active material having a core-shell structure, comprising a core and a shell covering the core, wherein the core has a chemical formula of LiAMnBPCOD, the shell comprises a first cladding layer covering the core, and a second cladding layer covering the first cladding layer, wherein the first cladding layer comprises pyrophosphate MPOand phosphate XPO, and the second cladding layer comprises carbon. The positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.