#HITACHI CHEMICAL CO LTD [JP]

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, PRODUCTION METHOD FOR NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE MATERIAL SLURRY FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

A negative electrode material for a lithium ion secondary battery, which is a mixture of first particles, in which plural flat graphite particles are aggregated or bonded such that principal surfaces …

DRIVE·Jun 26·1 min read

H01M4/0471 HITACHI CHEMICAL CO LTD [JP]

BATTERY SYSTEM CONTROL APPARATUS AND BATTERY SYSTEM

In a battery system that connects a plurality of types of batteries through a switch SW, when the switch SW is switched at a voltage (charge rate), it has been possible to increase a stored charge dur…

DRIVE·May 3·1 min read

B60L50/40 HITACHI CHEMICAL CO LTD [JP]

USE OF MATERIAL IN A LITHIUM-ION RECHARGEABLE BATTERY MATERIAL AND LITHIUM-ION RECHARGEABLE BATTERY COMPRISING THE MATERIAL

The invention provides a material for a lithium ion secondary battery, containing an aluminum silicate having an element molar ratio (Si/Al) of silicon (Si) to aluminum (Al) of 0.3 or more and less th…

DRIVE·Sep 24·1 min read

C01B33/26 HITACHI CHEMICAL CO LTD [JP]

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

The invention provides a negative electrode material for a lithium ion secondary battery, including a composite particle of a first particle containing a carbonic substance A and a second particle con…

DRIVE·Oct 16·2 min read

H01M4/36 HITACHI CHEMICAL CO LTD [JP]

NEGATIVE POLE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE POLE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

An anode material for a lithium ion secondary battery that includes a carbon material having an average interlayer spacing d 002 as determined by X-ray diffraction of from 0.335 nm to 0.340 nm, a volu…

DRIVE·Jun 5·1 min read

H01M10/0525 HITACHI CHEMICAL CO LTD [JP]

Contact-less power transmitter and contact-less power transmission system

In a non-contact electric power transmission system that electrically charges a device in a non-contact fashion, a transmitting circuit of a contact-less power transmitter includes both an excitation …

DRIVE·May 1·2 min read

H02J50/12 HITACHI CHEMICAL CO LTD [JP]

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY WHICH COMPRISES THE NEGATIVE ELECTRODE MATERIAL, AND LITHIUM ION SECONDARY BATTERY

Disclosed are: a negative electrode material for a lithium ion secondary battery, which enables the production of one having a smaller irreversible capacity. That is a negative electrode material for …

DRIVE·Jan 2·2 min read

H01M10/0525 HITACHI CHEMICAL CO LTD [JP]

CARBON PARTICLES FOR NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Disclosed are carbon particles for a negative electrode of a lithium ion secondary battery, the carbon particles having a pore volume of pores having a size of 2 × 10 to 2 × 10 4 Å, of 0.1 ml/g or les…

DRIVE·Sep 5·2 min read

C01B32/20 HITACHI CHEMICAL CO LTD [JP]

Friction material composition and friction material using the same

There are disclosed a friction material composition which comprises a fibrous material except for asbestos, an inorganic friction regulator, an organic friction regulator and a binder, part of the ino…

DRIVE·Dec 22·1 min read

B60T1/08 HITACHI CHEMICAL CO LTD [JP]

FUEL CELL-USE SEPARATOR

A separator for fuel cell having a bending strain at break of 0.5% or more, a compressive modulus of 20 GPa or less, or a Shore hardness falling within the range of from 20 to 50, preferably made of a…

DRIVE·Sep 22·2 min read

H01M8/02 HITACHI CHEMICAL CO LTD [JP]

ARTIFICIAL GRAPHITE PARTICLE AND METHOD FOR PRODUCING THE SAME, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE AND METHOD FOR PRODUCING THE SAME, AND LITHIUM SECONDARY BATTERY

Artificial graphite particles, having a secondary particle structure in which a plurality of primary particles composed of graphite are clustered or bonded together, and having a layer structure in wh…

DRIVE·Nov 12·1 min read

C01B32/21 HITACHI CHEMICAL CO LTD [JP]