Unlock instant, AI-driven research and patent intelligence for your innovation.

Nanoporous separators for batteries and related manufacturing methods

一种分隔器、电池的技术，应用在电解质蓄电池制造、电极制造、电池等方向，能够解决缩短电池循环寿命等问题

Active Publication Date: 2021-09-03
LG ENERGY SOLUTION LTD
View PDF31 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, nickel and cobalt ions, like manganese ions, diffuse through the separator and onto the anode, which shortens battery cycle life

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Nanoporous separators for batteries and related manufacturing methods
  • Nanoporous separators for batteries and related manufacturing methods
  • Nanoporous separators for batteries and related manufacturing methods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The present invention relates to battery stacks for batteries, such as lithium ion batteries and lithium metal batteries, and methods of making such batteries and associated nanoporous separators. Additional benefits are that the coated cell stacks and cells of the present invention have lower cost and provide improved safety.

[0033]The present invention includes, but is not limited to, the following designs for lithium cells and stacks, and methods of making such cells. In the following examples, the coated stack can be an anode stack or a cathode stack, depending on the electrode material chosen.

[0034] One aspect of the invention will be described with reference to a method of manufacturing a lithium battery. One suitable method is described in co-pending US Patent Application Serial No. 15 / 130,660, which is hereby incorporated by reference in its entirety. The method may use a reusable substrate 10 on which to coat the various layers of the battery stack. Onc...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
porosityaaaaaaaaaa
aperture sizeaaaaaaaaaa
Login to View More

Abstract

A lithium battery is provided, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises Anionic compounds. Methods of making such batteries are also provided.

Description

[0001] related application [0002] This application claims the benefit and priority of U.S. Provisional Patent Application No. 62 / 231,539, filed July 9, 2015. This application is also a continuation-in-part of US Patent Application Serial No. 15 / 130,660, filed April 15, 2016, and claims priority therefrom. The content of each of the aforementioned applications is incorporated herein by reference in its entirety. [0003] Statement of Government Rights [0004] This invention was made with government support under Grant No. DE-EE00054333 awarded by the US Department of Energy. The government has certain rights in this invention. [0005] field of invention [0006] The present invention relates generally to the field of batteries and other current generating units such as capacitors and lithium ion capacitors. More specifically, the present invention relates to separators for lithium batteries and related methods of manufacture. [0007] Background of the invention [000...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/403H01M50/446H01M50/46H01M50/463H01M50/431H01M50/449H01M50/414H01M4/04H01M50/434H01M50/451H01M50/489
CPCH01M50/431H01M50/46H01M50/446H01M50/449H01M10/4235H01M10/0525H01G11/50H01G11/52B82Y40/00H01M4/0407H01M10/052H01M10/0587H01M4/661H01M10/058H01M2220/20H01M2220/30Y02E60/10H01M50/403Y02P70/50H01M50/451H01M50/414H01M50/434H01M50/489H01M4/505H01M4/525H01M4/382Y02T10/70H01M2004/027H01M2004/028
Inventor 史蒂文·A·卡尔森本杰明·斯隆大卫·W·埃维森
Owner LG ENERGY SOLUTION LTD