Method of preparing battery electrodes

a battery electrode and electrode technology, applied in the field of lithiumion batteries, can solve the problems of pvdf only soluble in some specific, affecting the performance of electrodes,
US20170207443A1Inactive Publication Date: 2017-07-20GRST INTERNATIONAL LTD
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
GRST INTERNATIONAL LTD
Publication Date
2017-07-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

Provided herein is a method for preparing a battery electrode based on an aqueous slurry. The method disclosed herein has the advantage that an aqueous solvent can be used in the manufacturing process, which can save process time and facilities by avoiding the need to handle or recycle hazardous organic solvents. Therefore, costs are reduced by simplifying the total process. In addition, the batteries having the electrodes prepared by the method disclosed herein show impressive energy retention.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This is a continuation of the International Application No. PCT / CN2016 / 109723, filed Dec. 13, 2016, which claims priority to U.S. Provisional Patent Application No. 62 / 279,841, filed Jan. 18, 2016, all of which are incorporated herein by reference in their entirety.FIELD OF THE INVENTION

[0002] This invention relates to lithium-ion batteries in the application of sustainable energy area. More particularly, this invention relates to the use of aqueous-based slurries for preparing battery electrodes.BACKGROUND OF THE INVENTION

[0003] Lithium-ion batteries (LIBs) have attracted extensive attention in the past two decades for a wide range of applications in portable electronic devices such as cellular phones and laptop computers. Due to rapid market development of electric vehicles (EV) and grid energy storage, high-performance, low-cost LIBs are currently offering one of the most promising options for large-scale energy storage devices.

[0004] In ...

Claims

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