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Iron/carbon multilayer film, electrode material, battery and method

An electrode material and multi-layer film technology, applied in the field of electrode material, iron/carbon multi-layer film, and battery, can solve the problems of poor electrode material performance, achieve good rate performance, maximize interface content, and good cycle stability. Effect

Pending Publication Date: 2022-01-11
QINGDAO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] An iron / carbon multilayer film, electrode material, battery and method are provided in the embodiment of the present application to help solve the problem of poor performance of electrode materials in the prior art

Method used

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  • Iron/carbon multilayer film, electrode material, battery and method
  • Iron/carbon multilayer film, electrode material, battery and method
  • Iron/carbon multilayer film, electrode material, battery and method

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0025] The space charge effect originates from the charge separation tendency of ions and electrons at the ion conductor / electron conductor heterointerface, and this effect is the source of additional capacity of metal compound and alloy electrode materials in energy storage devices. The change of magnetism caused by storing charge at the...

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Abstract

The embodiment of the invention discloses an iron / carbon multilayer film, an electrode material, a battery and a method. The iron / carbon multilayer film comprises iron films and carbon films, and the iron films and the carbon films are alternately arranged. The iron / carbon multilayer film provided by the embodiment of the invention stores energy based on the spin capacitance effect of space charge storage, and has high energy density, good rate capability and relatively good cycle stability.

Description

technical field [0001] The present application relates to the technical field of battery materials, in particular to an iron / carbon multilayer film, an electrode material, a battery and a method. Background technique [0002] Ion battery is a new type of high-efficiency chemical power source, which has the advantages of high energy density, long cycle life, high operating voltage, no memory effect, small self-discharge and wide operating temperature range. It is an ideal chemical power source for various portable electronic products today. , is also the preferred power source for electric vehicles in the future, with broad application space and economic value. [0003] Ion batteries usually consist of a positive electrode, a negative electrode, and an electrolyte. Among them, the electrode material is one of the key materials of the lithium-ion battery, and its performance directly determines the performance of the ion battery. [0004] Therefore, how to design electrode m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L43/10H01L43/12
CPCH10N50/01H10N50/85
Inventor 李强李洪森李祥琨胡涵王凯夏清涛张凤玲张乐清刘燕陈林源
Owner QINGDAO UNIV