USPTO Patent Granted for Electrochemical Device
Summary
The USPTO has granted a patent (US12586793B2) to Ningde Amperex Technology Limited for an electrochemical device. The device features a negative active material layer composed of hard carbon with a specific porosity and an electrolyte with defined conductivity.
What changed
The United States Patent and Trademark Office (USPTO) has granted patent US12586793B2 for an electrochemical device. The patent, assigned to Ningde Amperex Technology Limited, specifically details an electrochemical device that includes a negative active material layer comprising hard carbon with a porosity of 20% to 60%, and an electrolyte with a conductivity of 8 mS/cm to 14 mS/cm.
This patent grant represents the addition of new intellectual property in the field of battery technology. While not a regulatory rule imposing obligations on companies, it signifies innovation in materials and design for electrochemical devices, potentially impacting future product development and competitive landscapes for manufacturers in the energy storage sector. No immediate compliance actions are required for regulated entities based on this patent grant.
Source document (simplified)
Electrochemical device and electronic device
Grant US12586793B2 Kind: B2 Mar 24, 2026
Assignee
NINGDE AMPEREX TECHNOLOGY LIMITED
Inventors
Hanxiang Zhang
Abstract
An electrochemical device includes a negative active material layer and an electrolyte. The negative active material layer comprises hard carbon. The negative active material layer has a porosity of 20% to 60%. The electrolyte has a conductivity of 8 mS/cm to 14 mS/cm.
CPC Classifications
H01M 4/587 H01M 4/133 H01M 10/0568 H01M 10/0569 H01M 10/052 H01M 2004/021 H01M 2004/027 H01M 2300/025
Filing Date
2022-03-30
Application No.
17708115
Claims
16
Named provisions
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