Separator, electrochemical apparatus, and electronic apparatus
AssigneeNingde Amperex Technology Limited
InventorsXiaohe FAN, Zengbin WEI, Xianhui XIE
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Abstract
A separator includes a substrate layer, an inorganic coating, and a bonding layer, where the inorganic coating is disposed between the substrate layer and the bonding layer, and the bonding layer contains a plurality of bonded particles, a surface of each bonded particle containing a plurality of protrusions, an average diameter of the protrusions ranges from 20 nm to 100 nm. The separator provided by this application is conducive to improving the cycle performance, low-temperature performance and rate performance of the electrochemical apparatus.
Claims20
A separator, comprising a substrate layer, an inorganic coating, and a bonding layer;
- wherein the inorganic coating is disposed between the substrate layer and the bonding layer, and the bonding layer contains a plurality of bonded particles, a surface of each bonded particle containing a plurality of protrusions, an average diameter of the protrusions ranges from 20 nm to 100 nm.
An electrochemical apparatus, comprising an electrode assembly, wherein the electrode assembly comprises a positive electrode plate and a negative electrode plate;
- wherein the electrode assembly further comprises a separator, the separator is located between the positive electrode plate and the negative electrode plate;
- wherein the separator comprises a substrate layer, an inorganic coating, and a bonding layer;
- wherein the inorganic coating is disposed between the substrate layer and the bonding layer, and the bonding layer contains a plurality of bonded particles, a surface of each bonded particle containing a plurality of protrusions, an average diameter of the protrusions ranges from 20 nm to 100 nm.
An electronic apparatus, comprising an electrochemical apparatus, wherein the electrochemical apparatus comprises an electrode assembly, wherein the electrode assembly comprises a positive electrode plate and a negative electrode plate;
- wherein the electrode assembly further comprises a separator, the separator is located between the positive electrode plate and the negative electrode plate;
- wherein the separator comprises a substrate layer, an inorganic coating, and a bonding layer;
- wherein the inorganic coating is disposed between the substrate layer and the bonding layer, and the bonding layer contains a plurality of bonded particles, a surface of each bonded particle containing a plurality of protrusions, an average diameter of the protrusions ranges from 20 nm to 100 nm.
Dependencies are inferred from the claim text.