#HITACHI HIGH TECH CORP [JP]

BATTERY MANAGEMENT DEVICE, BATTERY MANAGEMENT METHOD

An object of the present invention is to provide a technique that enables an internal resistance and a state of health of a battery to be measured at the same time in a short time by a simple method. …

DRIVE·Feb 18·2 min read

G01R31/367 HITACHI HIGH TECH CORP [JP]

FUEL BATTERY CELL

Provided is a highly reliable fuel cell that improves power generation efficiency of the fuel cell and that is less likely to cause damage to an electrode and an electrolyte film. The fuel cell includ…

DRIVE·Sep 27·2 min read

H01M4/8626 HITACHI HIGH TECH CORP [JP]

Failure cause classification apparatus

Selection of sensors requires the knowledge of individual sensors mounted on a target machine and the knowledge of mechanical features of the machine. In the past, experts having mechanical knowledge …

DRIVE·Oct 14·1 min read

B60K35/10 HITACHI HIGH TECH CORP [JP]

ELECTRODE FOR ELECTROCHEMICAL MEASUREMENT, ELECTROLYSIS CELL FOR ELECTROCHEMICAL MEASUREMENT, ANALYZER FOR ELECTROCHEMICAL MEASUREMENT, AND METHODS FOR PRODUCING SAME

Provided are an electrode, an electrolysis cell, and an electrochemical analyzer that improve the long-term stability of analysis data. A working electrode (2), a counter electrode (3), and a referenc…

DRIVE·Oct 16·2 min read

C25B11/061 HITACHI HIGH TECH CORP [JP]