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

Solid state bipolar battery with thick electrodes

A battery pack, bipolar technology, used in the manufacture of electrolyte batteries, non-aqueous electrolyte batteries, batteries, etc., can solve the problems of low power capacity, poor electron and ion transmission, etc.

Pending Publication Date: 2022-05-27
GM GLOBAL TECH OPERATIONS LLC
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, solid-state batteries typically have relatively low power capacity, e.g., from poor electron and ion transport within the electrodes, which can be caused by limited contacts or void spaces between solid-state active particles and / or solid-state electrolyte particles of

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
  • Solid state bipolar battery with thick electrodes
  • Solid state bipolar battery with thick electrodes
  • Solid state bipolar battery with thick electrodes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0096] Example batteries were prepared according to various aspects of the present disclosure. For example, the example cells may include a positive electrode (ie, cathode) that includes about 70 wt% NMC622 as a positive solid state electroactive material. The positive solid state electroactive material may be disposed on a metal foam having a porosity of about 87% by volume. The positive electrode may have a thickness of about 1 mm. The example cells may further comprise a negative electrode (ie, anode) comprising about 60 wt % graphite as a negative solid state electroactive material. The negative solid state electroactive material may also be disposed on the metal foam. A solid electrolyte (SSE) may be disposed between the positive and negative electrodes of the example cells. The solid electrolyte may have a thickness of about 30 μm. The first current collector foil may be positioned close to or adjacent to the positive electrode, and the second current collector foil ...

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
thicknessaaaaaaaaaa
pore sizeaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The present disclosure provides a solid state bipolar battery including a negative electrode and a positive electrode having a thickness of about 100 [mu] m to about 3000 [mu] m, and a solid state electrolyte layer disposed between the negative electrode and the positive electrode and having a thickness of about 5 [mu] m to about 100 [mu] m. The first electrode includes a plurality of negative solid state electroactive particles embedded or disposed within a first porous material. The second electrode includes a plurality of positively solid state electroactive particles embedded or disposed within a second porous material, the second porous material being the same as or different from the first porous material. The solid state bipolar battery includes a first current collector foil disposed on the first porous material, and a second current collector foil disposed on the second porous material. The first and second current collector foils may each have a thickness of less than or equal to about 10 [mu] m.

Description

Background technique [0001] This section provides background information related to the present disclosure which is not necessarily prior art. [0002] Electrochemical energy storage devices such as lithium-ion battery packs are used in a variety of products, including automotive products such as start-stop systems (eg 12V start-stop systems), battery pack assist systems ("µBAS"), hybrid electric vehicles ("HEV") ) and Electric Vehicles (“EV”). A typical lithium-ion battery contains two electrode and electrolyte assemblies and / or separators. One of the two electrodes can act as a positive electrode or a cathode, and the other electrode can act as a negative electrode or an anode. Lithium-ion battery packs can also contain various terminal and packaging materials. Rechargeable lithium-ion batteries work by reversibly transferring lithium ions back and forth between a negative electrode and a positive electrode. For example, during charging of a battery, lithium ions can mov...

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 Applications(China)
IPC IPC(8): H01M10/0562H01M10/0525
CPCH01M10/0525H01M10/0562H01M2300/0085H01M10/058H01M4/661Y02E60/10H01M4/808H01M2004/021H01M2004/029H01M2300/0065H01M2220/20
Inventor 李喆阙小超刘海晶陆涌吴美远T·A·耶萨克蔡梅
Owner GM GLOBAL TECH OPERATIONS LLC
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com