国家/地区 中国（84） 世界知识产权组织（54） 欧洲专利局（EPO）（20） 美国（19） 日本（12） 韩国（7） 印度（6）
IPC部 H（90） C（11） B（5）
IPC大类 H01（90） C01（9） B32（2）
B82（2）
IPC小类 H01M（90） C01B（9） B32B（2）
B82Y（2） H01G（2）
IPC H01M010/0525（64） H01M004/36（42） H01M004/62（39）
H01M004/13（36） H01M004/38（26） H01M004/48（21）
H01M004/66（20） H01M004/134（19） H01M010/052（19）
H01M004/587（14） H01M004/131（13） H01M004/133（13）
H01M004/58（12） H01M004/02（9） H01M004/525（9）
发明人 XIE Y（21） CHEN Z（14） CUI H（13）
WANG K（9） JIANG D（8） CHEN M（7）
HAN D（7） ZHANG Y（7） YI T（6）
LIN X（5） LIU X（5） ZHANG Q（5）
DING Y（4） GUAN T（4） HU Q（4）
公开年 2021（45） 2022（34） 2023（9）
申请年 2021（36）  2020（31）  2022（9）  2023（7）  2019（5） 
专利权人 NINGDE AMPEREX TECHNOLOGY LTD（90）

Secondary battery used in electronic device, comprises cathode pole piece and isolation film, where pole cathode comprises three-dimensional framework comprising first layer framework and second layer framework.

XIE Y, LIN X

Conductive coating composition used for electrode sheet in secondary battery and electronic device comprises conductive agent comprising carbon nano-tube cluster composed of multiple bundle-shaped carbon nanotube fibril, and agglomerant.

TAO X, WANG K, LIU X, HAN D

Cathode sheet useful in secondary batteries for electronic devices, comprises e.g. current collector, pure silicon, and conductive carbon black.

TAO X, WANG K, LIU X, HAN D

Anode sheet useful for secondary battery of electronic device comprises anode active material layer including carbon nanotube clusters, binders and anode active particles, and carbon nanotube cluster is composed of multiple carbon nanotube units arranged in bundles.

TAO X, WANG K, HAN D, LIU X

Negative electrode for use in secondary battery of electronic device, has negative electrode active material layer containing carbon nanotube clusters, fibrous binder and negative electrode active material, where carbon nanotube cluster is composed of carbon nanotube units arranged in bundles.

TAO X, WANG K, LIU X, HAN D

Electrochemical device useful in electronic device, comprises assembly comprising positive pole piece, negative pole piece and separator, where positive pole piece comprises positive current collector, first layer and second layer, and first layer is arranged on surface of current collector.

CAI X

Anode sheet comprises first coating composed of layered metal oxides, spinel metal oxides, phosphate metal oxides and/or ceramic materials provided on at least one surface of anode collector, and conductive layer including carbon nanotubes, conductive carbon black and/or graphene materials.

WANG T, WANG L

Negative pole piece useful in secondary battery and electrical device, comprises negative current collector, cathode active material layer containing cathode active material particles disposed on at least one side of cathode current collector.

FENG P, ZHOU Z

Electrochemical device useful in electronic device, and for lithium ion battery, comprises undercoat layer includes volume expansion resin and formed on at least one surface of cathode current collector and cathode active material formed on undercoat layer.

WANG K, CHENG W

Electrochemical device useful in electronic device, comprises first tab connected to first electrode assembly, second tab connected to second electrode assembly, first tab provided with first bent portion and first and second electrode assembly correspondingly set in first cavity and second cavity.

LIU D, DING Y, LIU N