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Nanocomposite battery electrode particles with changing properties

A battery electrode and composite particle technology, applied in battery electrodes, non-aqueous electrolyte battery electrodes, nanotechnology for materials and surface science, etc., can solve problems such as battery degradation

Pending Publication Date: 2021-09-10
新罗纳米技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can also lead to battery degradation

Method used

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  • Nanocomposite battery electrode particles with changing properties
  • Nanocomposite battery electrode particles with changing properties
  • Nanocomposite battery electrode particles with changing properties

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Embodiment Construction

[0029] Aspects of the invention are disclosed in the ensuing description and in the accompanying drawings which relate to a detailed description of the invention. The term "embodiments of the invention" does not require that all embodiments of the invention include the discussed feature, advantage, process or mode of operation, and alternative embodiments may be devised without departing from the scope of the invention. Additionally, well-known elements of the invention may not have been described in detail or may have been omitted so as not to obscure an understanding of other, more pertinent details.

[0030] In the following description, several examples are provided in the context of Li-ion batteries, as current Li-ion technology is prevalent and frequently used. It should be understood, however, that these examples are provided only to aid in the understanding and illustration of the underlying technology, and that these techniques are similarly applicable to various othe...

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Abstract

Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, an electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh / g as a cathode active material or (ii) a specific capacity of at least 400 mAh / g as an anode active material. The active material may be disposed in the pores of the scaffolding matrix material. According to various designs, each composite particle may exhibit at least one material property that changes from the center to the perimeter of the scaffolding matrix material.

Description

[0001] related application [0002] This application is based on the PCT international application PCT / US2015 / 055518 (filed on October 14, 2015) and entered the Chinese national phase on April 14, 2017. The application number is 201580056096.6, and the title of the invention is "Nanocomposite battery electrodes with changing characteristics. The divisional application of the Chinese invention patent application for "granules". technical field [0003] The present application relates generally to energy storage devices, and more particularly to battery technology employing powder-based electrodes and the like. Background technique [0004] Electrochemical energy storage technologies are beneficial for a wide range of important technologies such as energy efficient industrial equipment, electric and hybrid electric vehicles (including ground vehicles, air vehicles and ships), power grids and consumer appliances, among others. Due in part to their relatively high energy densi...

Claims

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Application Information

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IPC IPC(8): H01M4/38H01M4/04H01M4/36H01M10/0525H01M4/58H01M4/13H01M4/62B82Y30/00B82Y40/00
CPCH01M4/13H01M4/362H01M4/625H01M4/386H01M4/388H01M10/0525H01M4/0402Y02E60/10H01M4/364H01M4/366H01M4/582Y02P70/50
Inventor 盖尔普·禹沈奥格·M·博迪切夫斯基亚历山大·T·雅各布阿尔伯·奈斯戴米恩·哈里斯伯格丹·茨迪尔科
Owner 新罗纳米技术有限公司