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1. WO2020111201 - LITHIUM ION SECONDARY BATTERY POSITIVE ELECTRODE COMPOSITION, LITHIUM ION SECONDARY BATTERY POSITIVE ELECTRODE, AND LITHIUM ION SECONDARY BATTERY

Publication Number WO/2020/111201
Publication Date 04.06.2020
International Application No. PCT/JP2019/046659
International Filing Date 28.11.2019
IPC
H01M 4/136 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
CPC
H01M 4/136
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Applicants
  • デンカ株式会社 DENKA COMPANY LIMITED [JP]/[JP]
Inventors
  • 永井 達也 NAGAI,Tatsuya
  • 大角 真一朗 OSUMI,Shinichiro
  • 伊藤 哲哉 ITO,Tetsuya
Agents
  • アクシス国際特許業務法人 AXIS PATENT INTERNATIONAL
Priority Data
2018-22284328.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) LITHIUM ION SECONDARY BATTERY POSITIVE ELECTRODE COMPOSITION, LITHIUM ION SECONDARY BATTERY POSITIVE ELECTRODE, AND LITHIUM ION SECONDARY BATTERY
(FR) COMPOSITION D'ÉLECTRODE POSITIVE DE BATTERIE SECONDAIRE AU LITHIUM-ION, ÉLECTRODE POSITIVE DE BATTERIE SECONDAIRE AU LITHIUM-ION ET BATTERIE SECONDAIRE AU LITHIUM-ION
(JA) リチウムイオン二次電池用正極組成物、リチウムイオン二次電池用正極、及びリチウムイオン二次電池
Abstract
(EN)
This lithium ion secondary battery positive electrode composition contains a conductive material and an active material capable of occluding and releasing lithium ions, and is characterized in that the active material is lithium iron phosphate, the conductive material contains carbon black and carbon nanotubes, the average primary particle size of said carbon black is not more than 39 nm, and the average diameter of said carbon nanotubes is not more than 20 nm.
(FR)
L'invention concerne une composition d'électrode positive de batterie secondaire au lithium-ion contenant un matériau conducteur et un matériau actif capable d'occlure et de libérer des ions lithium, et est caractérisée en ce que le matériau actif est du phosphate de fer-lithium, le matériau conducteur contient du noir de carbone et des nanotubes de carbone, la taille moyenne des particules primaires dudit noir de carbone n'est pas supérieure à 39 nm, et le diamètre moyen desdits nanotubes de carbone n'est pas supérieur à 20 nm.
(JA)
リチウムイオンを吸蔵及び放出可能な活物質と、導電材を含むリチウムイオン二次電池用正極組成物であって、前記活物質がリン酸鉄リチウムであり、前記導電材がカーボンブラック及びカーボンナノチューブを含み、前記カーボンブラックの平均一次粒子径が39nm以下であり、前記カーボンナノチューブの平均直径が20nm以下であることを特徴とするリチウムイオン二次電池用正極組成物。
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